/* Minification failed. Returning unminified contents.
(296,20-28): run-time error JS1009: Expected '}': function
(275,20): run-time error JS1004: Expected ';'
(324,18): run-time error JS1004: Expected ';'
(338,6-7): run-time error JS1195: Expected expression: ,
(343,10-11): run-time error JS1195: Expected expression: ,
(347,10-11): run-time error JS1195: Expected expression: ,
(351,10-11): run-time error JS1195: Expected expression: ,
(355,10-11): run-time error JS1195: Expected expression: ,
(364,10-11): run-time error JS1195: Expected expression: ,
(375,6-7): run-time error JS1195: Expected expression: ,
(387,10-11): run-time error JS1195: Expected expression: ,
(401,6-7): run-time error JS1195: Expected expression: ,
(418,10-11): run-time error JS1195: Expected expression: ,
(424,10-11): run-time error JS1195: Expected expression: ,
(446,10-11): run-time error JS1195: Expected expression: ,
(478,10-11): run-time error JS1195: Expected expression: ,
(491,10-11): run-time error JS1195: Expected expression: ,
(509,10-11): run-time error JS1195: Expected expression: ,
(513,10-11): run-time error JS1195: Expected expression: ,
(525,10-11): run-time error JS1195: Expected expression: ,
(533,10-11): run-time error JS1195: Expected expression: ,
(551,2-3): run-time error JS1006: Expected ')': ;
(552,2-3): run-time error JS1194: Expected ',' or ']': )
(552,2-3): run-time error JS1009: Expected '}': )
(581,1-2): run-time error JS1002: Syntax error: }
(581,2-3): run-time error JS1195: Expected expression: ,
(581,18): run-time error JS1004: Expected ';'
(581,18-19): run-time error JS1195: Expected expression: :
(581,27): run-time error JS1004: Expected ';'
(581,27-28): run-time error JS1195: Expected expression: :
(581,51): run-time error JS1004: Expected ';'
(581,51-52): run-time error JS1195: Expected expression: :
(581,78): run-time error JS1004: Expected ';'
(581,78-79): run-time error JS1195: Expected expression: :
(581,82-83): run-time error JS1195: Expected expression: ]
(581,83-84): run-time error JS1195: Expected expression: ,
(581,85): run-time error JS1004: Expected ';'
(581,85-86): run-time error JS1195: Expected expression: :
(642,67): run-time error JS1004: Expected ';'
(642,67-68): run-time error JS1195: Expected expression: :
(804,67): run-time error JS1004: Expected ';'
(804,67-68): run-time error JS1195: Expected expression: :
(932,68): run-time error JS1004: Expected ';'
(932,68-69): run-time error JS1195: Expected expression: :
(1025,99): run-time error JS1004: Expected ';'
(1025,99-100): run-time error JS1195: Expected expression: :
(1133,68): run-time error JS1004: Expected ';'
(1133,68-69): run-time error JS1195: Expected expression: :
(1212,68): run-time error JS1004: Expected ';'
(1212,68-69): run-time error JS1195: Expected expression: :
(1345,86): run-time error JS1004: Expected ';'
(1345,86-87): run-time error JS1195: Expected expression: :
(1366,9): run-time error JS1004: Expected ';'
(1366,9-10): run-time error JS1195: Expected expression: :
(1484,9): run-time error JS1004: Expected ';'
(1484,9-10): run-time error JS1195: Expected expression: :
(1513,9): run-time error JS1004: Expected ';'
(1513,9-10): run-time error JS1195: Expected expression: :
(1610,77): run-time error JS1004: Expected ';'
(1610,77-78): run-time error JS1195: Expected expression: :
(1796,9): run-time error JS1004: Expected ';'
(1796,9-10): run-time error JS1195: Expected expression: :
(1875,44): run-time error JS1004: Expected ';'
(1875,44-45): run-time error JS1195: Expected expression: :
(2148,9): run-time error JS1004: Expected ';'
(2148,9-10): run-time error JS1195: Expected expression: :
(5034,9): run-time error JS1004: Expected ';'
(5034,9-10): run-time error JS1195: Expected expression: :
(16976,20): run-time error JS1004: Expected ';'
(16976,20-21): run-time error JS1195: Expected expression: :
(16983,59): run-time error JS1004: Expected ';'
(16983,59-60): run-time error JS1195: Expected expression: :
(16992,20): run-time error JS1004: Expected ';'
(16992,20-21): run-time error JS1195: Expected expression: :
(17017,6-7): run-time error JS1002: Syntax error: }
(17017,7-8): run-time error JS1195: Expected expression: ,
(17017,10-11): run-time error JS1195: Expected expression: ,
(17017,15): run-time error JS1004: Expected ';'
(17017,15-16): run-time error JS1195: Expected expression: )
 */
(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {
    props: ['ad', 'pos'],

    data: function data() {
        window.__ad = this;
        return {
            content: this.ad && this.ad.content || null,
            position: this.pos || this.ad && this.ad.position || null
        };
    },

    computed: {
        hasSlotContent: function hasSlotContent() {
            return this.$slots.default && this.$slots.default[0] && this.$slots.default[0].text;
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return (_vm.content || _vm.hasSlotContent)?_c('div',{class:[
    'ad-area',
    '--pos-' + _vm.position ]},[(_vm.content)?_c('div',{domProps:{"innerHTML":_vm._s(_vm.content)}}):_c('div',[_vm._t("default")],2)]):_vm._e()}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-0d60f43f", __vue__options__)
  } else {
    hotAPI.reload("data-v-0d60f43f", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20}],2:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/***\r\n    Cards\r\n ***/\n/**\r\n * Cards\r\n *\r\n * Styline to give an element a self-contained, card-like look\r\n *\r\n\r\n */\n/* line 43, StylesUnbuilt/molecules/_card.scss */\n.card {\n  border: 1px solid rgba(0, 0, 0, 0.12);\n  background: #fff;\n  border-radius: 3px;\n  box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n  overflow: hidden; }\n  /* line 33, StylesUnbuilt/molecules/_card.scss */\n  .selected > .card, .card.selected {\n    border: 1px solid #4184f4;\n    top: 1px;\n    box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n\n/**\r\n * Stylings for card-like three ad results that show up at the top\r\n *\r\n * 1. Make sure that the results are lined up within their own area\r\n * 2. Add an indicator that these are ads\r\n * 3. Extra site-links add too much vertical space, remove them\r\n */\n/* line 32, stdin */\n.ad-bar__ad-results {\n  display: flex;\n  /* 1 */\n  /* margin: 0 (-$s-gap) $s-gap; */\n  position: relative;\n  z-index: 2; }\n  /* line 39, stdin */\n  .ad-bar__ad-results > * {\n    margin: 0 8px;\n    overflow: hidden;\n    /* 1 */\n    flex-grow: 1;\n    /* 1 */\n    box-shadow: 0 0 20px -1px rgba(0, 0, 0, 0.05); }\n  /* line 47, stdin */\n  .ad-bar__ad-results > * > * {\n    padding: 8px;\n    position: relative;\n    /* 2 */\n    border: 1px solid rgba(0, 0, 0, 0.12);\n    background: #fff;\n    border-radius: 3px;\n    box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n    overflow: hidden; }\n    /* line 33, StylesUnbuilt/molecules/_card.scss */\n    .selected > .ad-bar__ad-results > * > *, .ad-bar__ad-results > * > *.selected {\n      border: 1px solid #4184f4;\n      top: 1px;\n      box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n    /* line 54, stdin */\n    .ad-bar__ad-results > * > *:after {\n      /* 2 */\n      content: \"ad\";\n      color: rgba(0, 0, 0, 0.2);\n      font-size: 11px;\n      background: #fff;\n      position: absolute;\n      bottom: 1px;\n      right: 2px; }\n    /* line 67, stdin */\n    .ad-bar__ad-results > * > * .sitelinks {\n      /* 3 */\n      display: none; }\n  /* line 72, stdin */\n  .ad-bar__ad-results .search-result-container {\n    margin: 0;\n    max-width: none; }\n    /* line 76, stdin */\n    .ad-bar__ad-results .search-result-container a {\n      display: block !important; }\n  /* line 81, stdin */\n  .ad-bar__ad-results .result-desc {\n    text-overflow: ellipsis;\n    overflow: hidden;\n    white-space: nowrap;\n    display: block; }\n  /* line 88, stdin */\n  .ad-bar__ad-results cite.using-aj-box {\n    max-width: unset !important;\n    float: unset !important; }\n  /* line 93, stdin */\n  .ad-bar__ad-results .aj-box {\n    display: none !important; }")
;(function(){
"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {
    data: function data() {
        return {};
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{ref:"adResults",staticClass:"ad-bar__ad-results"},[_c('copy-element',{attrs:{"sel":".results-column .search-result-container.sr","index":"0"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".results-column .search-result-container.sr","index":"1"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".results-column .search-result-container.sr","index":"2"}})],1)}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-20addb5e", __vue__options__)
  } else {
    hotAPI.reload("data-v-20addb5e", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],3:[function(require,module,exports){
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {
    props: ['sel', 'index'],

    data: function data() {
        return {};
    },

    created: function created() {
        var _this = this;

        setTimeout(function () {
            return _this.loadElement();
        }, 0);
    },

    methods: {
        loadElement: function loadElement() {
            if (!this.sel) return;

            var elm = void 0;

            if (this.index || this.index === "0") {
                elm = document.querySelectorAll(this.sel)[this.index];
            } else {
                elm = document.querySelector(this.sel);
            }

            if (elm) {
                this.$refs.copyContainer.appendChild(elm.cloneNode(true));
            }
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{ref:"copyContainer",staticClass:"copied-element"})}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-ce014be8", __vue__options__)
  } else {
    hotAPI.reload("data-v-ce014be8", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20}],4:[function(require,module,exports){
'use strict';

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// Register components
_vue2.default.component('v-pager', require('./v-pager.vue'));
_vue2.default.component('site-pager', require('./site-pager.vue'));
_vue2.default.component('keepdiscard-handholding', require('./keepdiscard-handholding.vue'));

_vue2.default.component('copy-element', require('./copy-element.vue'));
_vue2.default.component('sponsored-slideviewer', require('./sponsored-slideviewer.vue'));
_vue2.default.component('keepdiscard-handholding', require('./keepdiscard-handholding.vue'));
_vue2.default.component('ad-area', require('./ad-area.vue'));
_vue2.default.component('ad-bar', require('./ad-bar.vue'));

_vue2.default.component('video-frame', require('./video-frame.vue'));

_vue2.default.component('media-thumbnail', require('./media-thumbnail.vue'));
_vue2.default.component('media-viewarea', require('./media-viewarea.vue'));
_vue2.default.component('media-results', require('./media-results.vue'));
_vue2.default.component('product-results', require('./product-results.vue'));

},{"./ad-area.vue":1,"./ad-bar.vue":2,"./copy-element.vue":3,"./keepdiscard-handholding.vue":5,"./media-results.vue":6,"./media-thumbnail.vue":7,"./media-viewarea.vue":8,"./product-results.vue":9,"./site-pager.vue":10,"./sponsored-slideviewer.vue":11,"./v-pager.vue":12,"./video-frame.vue":13,"vue":23}],5:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/* line 90, stdin */\n.keepdiscard-handholding[data-v-cc8e1e30] {\n  opacity: 0.25;\n  transition: all 180ms ease;\n  position: fixed;\n  top: 0;\n  right: 0;\n  z-index: 999999;\n  pointer-events: none; }\n\n/* line 102, stdin */\n.handholding__modal[data-v-cc8e1e30] {\n  max-width: 360px;\n  padding: 0.25em 1em;\n  position: relative;\n  top: 250px;\n  right: 6em;\n  z-index: 3;\n  opacity: 1;\n  border-color: #78acff;\n  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.35), 0 1px 12px 2px rgba(0, 0, 0, 0.12);\n  transition: all 120ms ease; }\n  /* line 119, stdin */\n  .invisible .handholding__modal[data-v-cc8e1e30] {\n    right: -6em;\n    opacity: .25; }\n\n/* line 125, stdin */\n.handholding__vignette[data-v-cc8e1e30] {\n  position: absolute;\n  top: 0;\n  left: 100%;\n  opacity: 1;\n  display: block;\n  width: 300px;\n  height: 100vh;\n  pointer-events: none;\n  box-shadow: -160px 0 200px 160px rgba(0, 0, 0, 0.06), -120px 0 300px 0 rgba(0, 0, 0, 0.15), -30px 0 80px 40px rgba(0, 0, 0, 0.24); }\n  /* line 142, stdin */\n  .invisible .handholding__vignette[data-v-cc8e1e30] {\n    left: 120%;\n    opacity: 0; }\n\n/* line 148, stdin */\n.handholding__arrow[data-v-cc8e1e30] {\n  display: block;\n  width: 200px;\n  height: 275px;\n  position: absolute;\n  top: 212px;\n  right: 8px;\n  transform: rotate(-10deg);\n  z-index: 2;\n  overflow: hidden;\n  transition: all 85ms ease; }\n  /* line 165, stdin */\n  .invisible .handholding__arrow[data-v-cc8e1e30], .handholding__arrow.invisible[data-v-cc8e1e30] {\n    opacity: 0;\n    top: 252px; }\n\n/* line 172, stdin */\n.handholding__arrow[data-v-cc8e1e30]:before {\n  content: \"\";\n  display: block;\n  position: absolute;\n  top: -137px;\n  right: 10px;\n  width: 400px;\n  height: 400px;\n  border-radius: 50%;\n  border: 6px dashed #4c8ffb;\n  border-top: 0;\n  border-bottom: 0;\n  border-left: 0; }\n\n/* line 191, stdin */\n.handholding__arrow[data-v-cc8e1e30]:after {\n  content: \"\";\n  display: block;\n  position: absolute;\n  top: 5px;\n  right: 6px;\n  border: 14px solid transparent;\n  border-top: 12px solid #4c8ffb;\n  border-left: 12px solid #4c8ffb;\n  transform: rotate(31deg); }\n\n/* line 206, stdin */\n.visible[data-v-cc8e1e30] {\n  opacity: 1;\n  background-image: url(\"/static/img/hh/handholding-bg\"); }\n\n/* line 211, stdin */\nimg.x[data-v-cc8e1e30] {\n  position: absolute;\n  top: 0;\n  right: 0;\n  z-index: 9999; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {
    data: function keepDiscardData() {
        return {
            visible: false,
            arrowVisibility: false
        };
    },

    created: function keepDiscardHandholdingCreated() {
        var _this = this;

        window.keepDiscardHandholding = this;

        setTimeout(function () {
            if (!_this.hasBeenShown()) {
                _this.openHandholding();
                _this.setShown();
            }
        }, 500);

        setTimeout(function () {
            document.addEventListener('focus', function () {
                return _this.closeAfterDelay();
            });
            document.addEventListener('mousedown', function () {
                return _this.closeAfterDelay();
            });
            document.addEventListener('click', function () {
                return _this.closeAfterDelay();
            });
        }, 1200);
    },

    methods: {
        setShown: function setShown() {
            if (window.localStorage) {
                window.localStorage.setItem('kpdschh', true);
            }
        },
        hasBeenShown: function hasBeenShown() {
            if (window.localStorage) {
                return !!window.localStorage.getItem('kpdschh');
            }

            return false;
        },
        closeHandholding: function closeHandholding() {
            this.visible = false;
            this.setShown();
        },
        closeAfterDelay: function closeAfterDelay(delay) {
            var _this2 = this;

            delay = delay || 800;
            setTimeout(function () {
                _this2.closeHandholding();
            }, delay);
        },
        openHandholding: function openHandholding() {
            var _this3 = this;

            this.visible = true;
            setTimeout(function () {
                _this3.arrowVisibility = true;
            }, 800);
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{class:[
        'keepdiscard-handholding', {
        'visible': _vm.visible,
        'invisible': !_vm.visible,
    }]},[_vm._m(0),_vm._v(" "),_c('div',{staticClass:"handholding__vignette"}),_vm._v(" "),_c('div',{staticClass:"handholding__arrow",class:[{ 'invisible': !_vm.arrowVisibility }]})])}
__vue__options__.staticRenderFns = [function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"handholding__modal  card"},[_c('h3',{staticClass:"handholding__modal__tagline"},[_vm._v("Keep your searches private!")]),_vm._v(" "),_c('p',[_vm._v("\n            To keep our extension active, and your searches protected, click\n            "),_c('strong',{},[_vm._v("Keep Changes")]),_vm._v(" on the above prompt.\n        ")])])}]
__vue__options__._scopeId = "data-v-cc8e1e30"
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-cc8e1e30", __vue__options__)
  } else {
    hotAPI.reload("data-v-cc8e1e30", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],6:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/***\r\n    Cards\r\n ***/\n/**\r\n * Cards\r\n *\r\n * Styline to give an element a self-contained, card-like look\r\n *\r\n\r\n */\n/* line 43, StylesUnbuilt/molecules/_card.scss */\n.card {\n  border: 1px solid rgba(0, 0, 0, 0.12);\n  background: #fff;\n  border-radius: 3px;\n  box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n  overflow: hidden; }\n  /* line 33, StylesUnbuilt/molecules/_card.scss */\n  .selected > .card, .card.selected {\n    border: 1px solid #4184f4;\n    top: 1px;\n    box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n\n/* line 409, stdin */\n.media-results {\n  margin-bottom: 0;\n  position: relative;\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-results {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-results:before, .media-results:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-results:after {\n    clear: both; }\n\n/**\r\n     * We might want it to be full-width, but we still want a smidge of margin\r\n     */\n/* line 422, stdin */\n.media-results--full-width {\n  margin-left: 8px;\n  margin-right: 8px; }\n\n/**\r\n     * A container that the result list is contained in,\r\n     * used to add a consistent margin, and some stylistic touches.\r\n     */\n/* line 431, stdin */\n.media-results__list-container {\n  margin: 0 0 1em 0;\n  position: relative;\n  /**\r\n         * Add left/right borders to help make the cut-off of images in the\r\n         * horizontal view less jarring\r\n         */ }\n  /* line 441, stdin */\n  .media-results--horizontal .media-results__list-container:after, .media-results--horizontal .media-results__list-container:before {\n    content: \"\";\n    display: block;\n    background: #eee;\n    width: 1px;\n    position: absolute;\n    top: 4px;\n    bottom: 4px;\n    z-index: 2;\n    box-shadow: 0 0 3px 1px rgba(0, 0, 0, 0.2); }\n  /* line 459, stdin */\n  .media-results--horizontal .media-results__list-container:after {\n    right: -1px; }\n  /* line 463, stdin */\n  .media-results--horizontal .media-results__list-container:before {\n    left: -1px; }\n\n/**\r\n         * The shifter is used to move the results in and out of view, for\r\n         * when the view area of the results is limited.\r\n         *\r\n         * 1. Hide by default\r\n         */\n/* line 475, stdin */\n.media-results__shifter {\n  display: none;\n  /* 1 */\n  /* --horizontal */ }\n  /* line 478, stdin */\n  .media-results--horizontal .media-results__shifter {\n    display: block;\n    opacity: .6;\n    background: rgba(0, 0, 0, 0.5);\n    height: 100px;\n    width: 30px;\n    /**\r\n                 * Position down 50%, then bring back up (negative margin) 50%\r\n                 * of the height of the element,\r\n                 *\r\n                 * This centers the next/previous buttons vertically\r\n                 */\n    margin-top: -50px;\n    position: absolute;\n    top: 50%;\n    z-index: 1;\n    /**\r\n                 * Styling to create the ground-work for the arrow glyphs\r\n                 */\n    /**\r\n                 * 1. Position the previous arrow to the left,\r\n                 * 2. Style the borders to create a left-pointing arrow\r\n                 */\n    /**\r\n                 * 1. Position the previous arrow to the right,\r\n                 * 2. Style the borders to create a right-pointing arrow\r\n                 */ }\n    /* line 501, stdin */\n    .media-results--horizontal .media-results__shifter:hover, .media-results--horizontal .media-results__shifter:active, .media-results--horizontal .media-results__shifter:focus {\n      opacity: 1;\n      background: rgba(0, 0, 0, 0.85); }\n    /* line 513, stdin */\n    .media-results--horizontal .media-results__shifter:after {\n      content: \" \";\n      display: block;\n      width: 0;\n      height: 0;\n      border: 10px solid transparent;\n      margin-top: -10px;\n      position: absolute;\n      top: 50%; }\n    /* line 531, stdin */\n    .media-results--horizontal .media-results__shifter.--previous {\n      left: 0;\n      /* 1 */ }\n      /* line 534, stdin */\n      .media-results--horizontal .media-results__shifter.--previous:after {\n        /* 2 */\n        border-right-color: #fff;\n        border-right-width: 19px;\n        border-left-width: 0;\n        right: 7px; }\n    /* line 547, stdin */\n    .media-results--horizontal .media-results__shifter.--next {\n      right: 0;\n      /* 1 */ }\n      /* line 550, stdin */\n      .media-results--horizontal .media-results__shifter.--next:after {\n        /* 2 */\n        border-left-color: #fff;\n        border-left-width: 19px;\n        border-right-width: 0;\n        left: 7px; }\n\n/**\r\n         * The list of media items, the actual part that displays the results\r\n         *\r\n         * 1. Remove default list stylings, margins, and paddings\r\n         */\n/* line 566, stdin */\n.media-results__list {\n  list-style: none;\n  /* 1 */\n  padding: 0;\n  /* 1 */\n  margin: 0 -8px;\n  /* 1 */\n  display: flex;\n  /**\r\n             *  Provide default stylings to handle shifting left/right\r\n             */\n  /**\r\n             * Display results in a single horizontal row,\r\n             */\n  /**\r\n             * Display results in a multi-line grid\r\n             */\n  /**\r\n             * Display results as a single-column, full-width, list\r\n             */\n  /**\r\n             * Display results as a single-column, limited-width, vertical grid\r\n             */ }\n  /* line 578, stdin */\n  .media-results--horizontal .media-results__list {\n    margin: 0;\n    position: relative;\n    transition: right 300ms ease; }\n  /* line 585, stdin */\n  .media-results__list > li {\n    position: relative;\n    margin: 15px; }\n  /* line 593, stdin */\n  .media-results--horizontal .media-results__list {\n    flex-direction: row; }\n  /* line 600, stdin */\n  .media-results--grid .media-results__list {\n    flex-wrap: wrap;\n    align-items: flex-start;\n    justify-content: start; }\n    /* line 605, stdin */\n    .media-results--grid .media-results__list > li {\n      width: 260px;\n      max-width: 325px;\n      display: flex;\n      height: 295px;\n      flex-grow: 1; }\n  /* line 619, stdin */\n  .media-results--list .media-results__list {\n    flex-direction: column; }\n  /* line 626, stdin */\n  .media-results--vertical .media-results__list {\n    background: #eaeaff;\n    flex-direction: column;\n    float: left; }\n\n/**\r\n     * The area which is used to actually view the media once selected\r\n     *\r\n     * It has it's own component, which handles most of the styling for it,\r\n     * these styles are for handling relative positioning from the whole\r\n     */\n/* line 641, stdin */\n.media-results__viewarea {\n  width: 100%;\n  padding-top: .5em;\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-results__viewarea {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-results__viewarea:before, .media-results__viewarea:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-results__viewarea:after {\n    clear: both; }\n  /* line 647, stdin */\n  .media-results--horizontal .media-results__viewarea {\n    padding-top: 0; }\n\n/**\r\n     * Stylings for card-like three ad results that show up at the top\r\n     *\r\n     * 1. Make sure that the results are lined up within their own area\r\n     * 2. Add an indicator that these are ads\r\n     * 3. Extra site-links add too much vertical space, remove them\r\n     */\n/* line 665, stdin */\n.media-results__ad-results {\n  display: flex;\n  /* 1 */\n  margin: 0 -8px 8px;\n  position: relative;\n  z-index: 2; }\n  /* line 672, stdin */\n  .media-results__ad-results > * {\n    margin: 0 8px;\n    overflow: hidden;\n    /* 1 */\n    flex-grow: 1;\n    /* 1 */\n    box-shadow: 0 0 20px -1px rgba(0, 0, 0, 0.05); }\n  /* line 680, stdin */\n  .media-results__ad-results > * > * {\n    padding: 8px;\n    position: relative;\n    /* 2 */\n    border: 1px solid rgba(0, 0, 0, 0.12);\n    background: #fff;\n    border-radius: 3px;\n    box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n    overflow: hidden; }\n    /* line 33, StylesUnbuilt/molecules/_card.scss */\n    .selected > .media-results__ad-results > * > *, .media-results__ad-results > * > *.selected {\n      border: 1px solid #4184f4;\n      top: 1px;\n      box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n    /* line 687, stdin */\n    .media-results__ad-results > * > *:after {\n      /* 2 */\n      content: \"ad\";\n      color: rgba(0, 0, 0, 0.2);\n      font-size: 11px;\n      background: #fff;\n      position: absolute;\n      bottom: 1px;\n      right: 2px; }\n    /* line 700, stdin */\n    .media-results__ad-results > * > * .sitelinks {\n      /* 3 */\n      display: none; }\n  /* line 705, stdin */\n  .media-results__ad-results .search-result-container {\n    margin: 0;\n    max-width: none; }\n    /* line 709, stdin */\n    .media-results__ad-results .search-result-container a {\n      display: block !important; }\n  /* line 714, stdin */\n  .media-results__ad-results .result-desc {\n    text-overflow: ellipsis;\n    overflow: hidden;\n    white-space: nowrap;\n    display: block; }\n  /* line 721, stdin */\n  .media-results__ad-results cite.using-aj-box {\n    max-width: unset !important;\n    float: unset !important; }\n  /* line 726, stdin */\n  .media-results__ad-results .aj-box {\n    display: none !important; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _regex = require('../lib/regex');

var patterns = _interopRequireWildcard(_regex);

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

exports.default = {
    props: ['layout', 'heading', 'ads', 'hideHeaderAds', 'vaDark', 'vaVideoPos', 'vaTheatre'],

    data: function data() {
        window.__mediaResults = this;
        return {
            fullWidth: true,
            layoutStyle: this.layout || 'grid',

            selectedIndex: -1,
            selectedHasVideo: false,
            offset: 0,
            maxOffset: Infinity,

            videoResults: [],

            stylesViewArea: {},
            stylesThumbnail: {}
        };
    },

    created: async function created() {
        var _this = this;

        setTimeout(function () {
            return _this.positionViewArea();
        }, 0);

        var data = void 0;

        try {
            if (this.$slots.default && this.$slots.default[0].text) {
                data = JSON.parse(this.$slots.default[0].text);
            } else if (document.getElementById('resultData')) {
                data = JSON.parse(document.getElementById('resultData').innerHTML);
            }
        } catch (err) {
            console.log(err);
        }

        if (data) {
            console.log(data);
        }

        if (data) {
            this.videoResults = data.VideoResults;
        }

        if (!data && (!this.videoResults || !this.videoResults.length)) {
            await this.loadVideoResults();
        }

        setTimeout(function () {
            _this.loadSponsoredAds();

            _this.videoResults.forEach(function (videoResult, i) {
                _vue2.default.set(_this.videoResults[i], 'hasVideo', _this.hasVideo(videoResult.ClickUrl));
            });
        }, 0);

        window.addEventListener('resize', function () {
            return _this.positionViewArea();
        });
    },

    computed: {
        showHeaderAds: function showHeaderAds() {
            return !this.hideHeaderAds || this.layoutStyle === 'grid';
        },

        hasSelection: function hasSelection() {
            return this.selectedIndex !== -1;
        },

        selectedVideo: function selectedVideo() {
            return this.videoResults[this.selectedIndex];
        },

        selectedVideoRef: function selectedVideoRef() {
            return this.$refs.thumbnails[this.selectedIndex];
        },

        thumbnailStyle: function thumbnailStyle() {
            switch (this.layoutStyle) {
                case 'list':
                    return 'listing';
                default:
                    return 'card';
            }
        },

        videoResults: function videoResults() {
            var _this2 = this;

            setTimeout(function () {
                return _this2.videoResults.forEach(function (videoResult, i) {
                    _vue2.default.set(_this2.videoResults[i], 'hasVideo', _this2.hasVideo(videoResult.ClickUrl));
                });
            }, 0);
        }
    },

    watch: {
        layoutStyle: function layoutStyle() {
            var _this3 = this;

            setTimeout(function () {
                return _this3.positionViewArea();
            }, 0);
            setTimeout(function () {
                return _this3.positionViewArea();
            }, 10);
        },

        selectedIndex: function selectedIndex() {
            var _this4 = this;

            setTimeout(function () {
                return _this4.positionViewArea();
            }, 0);
            setTimeout(function () {
                return _this4.positionViewArea();
            }, 10);

            if (this.selectedVideo) this.selectedHasVideo = this.selectedVideo.hasVideo = this.hasVideo(this.selectedVideo.ClickUrl);
        }
    },

    methods: {
        loadVideoResults: function loadVideoResults() {
            var _this5 = this;

            var url = '/videos/results' + window.location.search;

            return fetch(url).then(function (response) {
                return response.json();
            }).then(function (videoData) {
                if (Array.isArray(videoData)) {
                    _this5.videoResults = videoData;
                }
            }).catch(function (err) {
                return console.error(err);
            });
        },

        hasVideo: function hasVideo(src) {
            return ['youtube', 'vimeo'].concat(true || !this.showAdult ? [] : ['pornhub', 'xvideos', 'xhamster', 'tube8', 'porncom', 'eporner', 'youjizz', 'youporn', 'redtube']).some(function (type) {
                return patterns[type] && patterns[type].test(src);
            });
        },

        shift: function shift(n) {
            n = n || 3;

            var distance = 0;
            var newOffset = this.offset;
            var maxOffset = this.maxOffset;

            if (this.layoutStyle === 'horizontal') {
                var baseDistance = this.$refs.thumbnails[0].clientWidth + 10;

                distance = baseDistance * n;
                newOffset += distance;

                maxOffset = baseDistance * this.videoResults.length - this.$refs.thumbnails[0].parentElement.clientWidth;

                if (newOffset < 0) newOffset = 0;else if (newOffset > maxOffset) newOffset = maxOffset;
            }

            this.offset = newOffset;
            this.maxOffset = maxOffset;
        },

        positionViewArea: function positionViewArea() {
            var _this6 = this;

            var viewArea = this.$refs.viewArea;

            var thumbnailGap = 0;
            var viewAreaPosition = 'initial';
            var viewAreaTop = 0;

            switch (this.layoutStyle) {
                case 'vertical':
                case 'grid':
                case 'list':
                    try {
                        thumbnailGap = viewArea.clientHeight;

                        viewAreaPosition = 'absolute';
                        viewAreaTop = this.selectedVideoRef.offsetTop + this.$refs.mediaResultsContainer.offsetTop + this.selectedVideoRef.clientHeight;
                    } catch (err) {}

                    break;
            }

            _vue2.default.set(this.stylesThumbnail, 'margin-bottom', thumbnailGap ? thumbnailGap + 'px' : '');

            _vue2.default.set(this.stylesViewArea, 'position', viewAreaPosition);
            _vue2.default.set(this.stylesViewArea, 'top', viewAreaTop + 'px');
            setTimeout(function () {
                return _this6.scrollToPosition();
            }, 0);
        },

        scrollToPosition: function scrollToPosition() {
            if (!this.selectedVideo) return;

            if (this.selectedVideoRef && this.selectedVideoRef.scrollIntoView) {

                if (this.$refs.viewArea && this.$refs.viewArea.scrollIntoView) {
                    this.$refs.viewArea.scrollIntoView(true);
                } else {
                    this.selectedVideoRef.scrollIntoView(true);
                }
            }
        },

        select: function select(i, videoResult) {
            var _this7 = this;

            if (this.selectedIndex === i) {
                this.deselectAll();
            } else {
                this.selectedIndex = i;
            }

            setTimeout(function () {
                if (!_this7.selectedHasVideo && _this7.selectedVideo && _this7.selectedVideo.ClickUrl) {
                    window.open(_this7.selectedVideo.ClickUrl, '_blank');
                }

                _this7.scrollToPosition();
            }, 1);
        },

        deselectAll: function deselectAll() {
            this.selectedIndex = -1;
        },

        selectNext: function selectNext(skip) {
            var newIndex = this.selectedIndex * 1;

            if (typeof skip !== 'number') skip = 1;

            newIndex += skip * 1;

            if (newIndex > this.videoResults.length) newIndex = this.videoResults.length;else if (newIndex < 0) newIndex = 0;

            this.selectedIndex = newIndex;
        },

        selectPrevious: function selectPrevious(skip) {
            if (typeof skip !== 'number') skip = 1;

            skip *= -1;

            this.selectNext(skip);
        },

        loadSponsoredAds: function loadSponsoredAds() {
            return;
            var sponsoredResults = document.querySelectorAll('.search-result-container');

            if (sponsoredResults && sponsoredResults.length) {
                var adCount = 3;
                if (adCount > sponsoredResults.length) adCount = sponsoredResults.length;

                try {
                    for (var i = 0; i < adCount; i++) {
                        this.$refs.adResults.appendChild(sponsoredResults[i].cloneNode(true));
                    }
                } catch (e) {}
            }
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{class:[{
        'container-fluid': !_vm.fullWidth,
        'main-body': !_vm.fullWidth, }]},[_c('div',{class:[{ 'row': !_vm.fullWidth }]},[_c('section',{class:[
        'media-results', {
        'media-results--full-width': (_vm.fullWidth == true),
    /**
     * The arrows at the bottom that let you select to the left or the right
     */
        'media-results--horizontal': (_vm.layoutStyle === 'horizontal'),
        'media-results--vertical': (_vm.layoutStyle === 'vertical'),
        'media-results--grid': (_vm.layoutStyle === 'grid'),
        'media-results--list': (_vm.layoutStyle === 'list'),
    }],attrs:{"v-if":_vm.videoResults && _vm.videoResults.length}},[(_vm.showHeaderAds)?_c('div',{ref:"adResults",staticClass:"media-results__ad-results"},[_c('copy-element',{attrs:{"sel":".results-column .search-result-container.sr","index":"0"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".results-column .search-result-container.sr","index":"1"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".results-column .search-result-container.sr","index":"2"}})],1):_vm._e(),_vm._v(" "),_vm._t("default",[(_vm.heading)?_c('h1',{domProps:{"innerHTML":_vm._s(_vm.heading)}}):_vm._e()]),_vm._v(" "),_c('div',{ref:"mediaResultsContainer",staticClass:"media-results__list-container"},[(_vm.offset > 0)?_c('a',{class:['media-results__shifter', '--previous'],attrs:{"href":"#","title":"previous"},on:{"click":function($event){$event.preventDefault();return _vm.shift(-3.5)}}}):_vm._e(),_vm._v(" "),_c('ul',{staticClass:"media-results__list",style:({ right: (_vm.layoutStyle === 'horizontal') ? _vm.offset + 'px' : 'auto' })},_vm._l((_vm.videoResults),function(video,i){return _c('li',{ref:"thumbnails",refInFor:true,class:{ selected: _vm.selectedIndex === i },style:([ (_vm.selectedIndex === i ? _vm.stylesThumbnail : {}) ]),on:{"click":function($event){return _vm.select(i, _vm.videoResult)}}},[_c('media-thumbnail',{attrs:{"type":_vm.thumbnailStyle,"select":_vm.selectedIndex === i,"videoResult":video}})],1)}),0),_vm._v(" "),(_vm.offset < _vm.maxOffset)?_c('a',{staticClass:"media-results__shifter  --next",attrs:{"href":"#","title":"next"},on:{"click":function($event){$event.preventDefault();return _vm.shift(3.5)}}}):_vm._e()]),_vm._v(" "),(_vm.hasSelection && _vm.selectedHasVideo)?_c('div',{ref:"viewArea",staticClass:"media-results__viewarea",style:([ _vm.stylesViewArea ])},[_c('media-viewarea',{attrs:{"videoResult":_vm.selectedVideo,"dark":_vm.vaDark,"videoPos":_vm.vaVideoPos,"theatre":_vm.vaTheatre}})],1):_vm._e()],2)])])}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-5c603c55", __vue__options__)
  } else {
    hotAPI.reload("data-v-5c603c55", __vue__options__)
  }
})()}
},{"../lib/regex":15,"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],7:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("@charset \"UTF-8\";\n/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/***\r\n    Cards\r\n ***/\n/**\r\n * Cards\r\n *\r\n * Styline to give an element a self-contained, card-like look\r\n *\r\n\r\n */\n/* line 43, StylesUnbuilt/molecules/_card.scss */\n.card {\n  border: 1px solid rgba(0, 0, 0, 0.12);\n  background: #fff;\n  border-radius: 3px;\n  box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n  overflow: hidden; }\n  /* line 33, StylesUnbuilt/molecules/_card.scss */\n  .selected > .card, .card.selected {\n    border: 1px solid #4184f4;\n    top: 1px;\n    box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n\n/*-------------------------------------*\\\r\n    ASPECT-RATIO\r\n\\*-------------------------------------*/\n/* line 100, stdin */\n.media-thumbnail {\n  position: relative;\n  height: 100%;\n  cursor: pointer;\n  /**\r\n     * Make the play arrow and ring visible on hover\r\n     */ }\n  /* line 111, stdin */\n  .media-thumbnail:hover .media-thumbnail__play-arrow {\n    opacity: .5; }\n    /* line 114, stdin */\n    .media-thumbnail:hover .media-thumbnail__play-arrow:after {\n      opacity: .75; }\n  /* line 121, stdin */\n  .media-thumbnail.media-thumbnail--card {\n    color: #4e4e4e;\n    width: 100%;\n    min-height: 295px;\n    padding: 0;\n    box-sizing: content-box;\n    border: 1px solid rgba(0, 0, 0, 0.12);\n    background: #fff;\n    border-radius: 3px;\n    box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n    overflow: hidden;\n    transition: border 200ms ease;\n    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.15), 0 0 20px -1px rgba(0, 0, 0, 0.15); }\n    /* line 28, StylesUnbuilt/molecules/_card.scss */\n    .media-thumbnail.media-thumbnail--card:hover {\n      border: 1px solid rgba(65, 132, 244, 0.5); }\n    /* line 33, StylesUnbuilt/molecules/_card.scss */\n    .selected > .media-thumbnail.media-thumbnail--card, .media-thumbnail.media-thumbnail--card.selected {\n      border: 1px solid #4184f4;\n      top: 1px;\n      box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n  /* line 136, stdin */\n  .media-thumbnail.media-thumbnail--listing:hover,\n  .selected .media-thumbnail.media-thumbnail--listing, .media-thumbnail.media-thumbnail--listing.selected, .media-thumbnail.media-thumbnail--listing.media-thumbnail--selected {\n    background: #f1f1f1; }\n\n/* line 147, stdin */\n.media-thumbnail__img-container {\n  position: relative;\n  position: relative;\n  /* The Arrow's Ring */ }\n  /* line 9, StylesUnbuilt/utilities/_aspect-ratio.scss */\n  .media-thumbnail__img-container:before {\n    content: \"\";\n    display: block;\n    width: 100%;\n    padding-top: 56.25%; }\n  /* line 17, StylesUnbuilt/utilities/_aspect-ratio.scss */\n  .media-thumbnail__img-container > .inner {\n    position: absolute;\n    top: 0;\n    left: 0;\n    right: 0;\n    bottom: 0; }\n  /* line 152, stdin */\n  .media-thumbnail__img-container > .inner {\n    padding: 5px;\n    padding-bottom: 0;\n    border-radius: 6.5px; }\n    /* line 157, stdin */\n    .media-thumbnail--card .media-thumbnail__img-container > .inner {\n      width: 100%; }\n  /* line 162, stdin */\n  .media-thumbnail--listing .media-thumbnail__img-container {\n    margin-right: .5em;\n    float: left; }\n  /* line 168, stdin */\n  .media-thumbnail__img-container .media-thumbnail__play-arrow {\n    content: \"\";\n    display: block;\n    width: 55px;\n    height: 55px;\n    border-radius: 50%;\n    border: 4px solid #4184f4;\n    position: absolute;\n    top: 50%;\n    left: 50%;\n    margin-top: -27.5px;\n    margin-left: -27.5px;\n    /* The Arrow */ }\n    /* line 186, stdin */\n    .media-thumbnail__img-container .media-thumbnail__play-arrow, .media-thumbnail__img-container .media-thumbnail__play-arrow:after {\n      opacity: 0;\n      transition: opacity 200ms ease; }\n    /* line 192, stdin */\n    .media-thumbnail__img-container .media-thumbnail__play-arrow:after {\n      content: \"\";\n      display: block;\n      width: 0;\n      height: 0;\n      border: 18px solid transparent;\n      border-top-width: 10px;\n      border-bottom-width: 10px;\n      border-left: 18px solid #4184f4;\n      position: absolute;\n      top: 50%;\n      left: 50%;\n      margin-top: -10px;\n      margin-left: -7.2px; }\n\n/* line 216, stdin */\n.media-thumbnail__runtime {\n  color: #fff;\n  font-size: 11px;\n  padding: 1px 3px;\n  background: rgba(0, 0, 0, 0.7);\n  position: absolute;\n  bottom: 10px;\n  right: 15px;\n  border-radius: 2px;\n  opacity: .65; }\n\n/* line 233, stdin */\n.media-thumbnail__info {\n  font-size: 12px;\n  padding: 0 20px;\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-thumbnail__info {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-thumbnail__info:before, .media-thumbnail__info:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-thumbnail__info:after {\n    clear: both; }\n  /* line 240, stdin */\n  .media-thumbnail__info > p {\n    margin: 1px 0; }\n  /* line 244, stdin */\n  .media-thumbnail--card .media-thumbnail__info {\n    width: 100%;\n    position: absolute;\n    bottom: 2px; }\n\n/* line 252, stdin */\n.media-thumbnail__source-info > *:first-of-type:after {\n  content: \" · \"; }\n\n/* line 258, stdin */\n.media-thumbnail__source-author:before {\n  content: \"by \";\n  opacity: .95; }\n\n/* line 264, stdin */\n.media-thumbnail__source-site {\n  text-align: right;\n  font-weight: bold; }\n  /* line 268, stdin */\n  .media-thumbnail--listing .media-thumbnail__source-site {\n    text-align: left; }\n  /* line 272, stdin */\n  .media-thumbnail--card .media-thumbnail__source-site {\n    margin-right: -13px; }\n\n/* line 277, stdin */\n.media-thumbnail__header {\n  font-size: 14px;\n  font-weight: bold;\n  padding: 0 15px;\n  margin-top: 15px; }\n  /* line 284, stdin */\n  .media-thumbnail--listing .media-thumbnail__header {\n    padding-top: .5em; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {
    props: ['videoResult', 'selected', 'select', 'type'],

    data: function data() {
        return {
            layoutStyle: this.type || 'card',
            isSelected: false };
    },

    watch: {
        type: function type() {
            this.layoutStyle = this.type || 'card';
        }
    },

    computed: {
        width: function width() {
            if (this.type === 'card') return 'auto';

            return this.videoResult.Width || 260;
        },

        height: function height() {
            if (this.type === 'card') return 'auto';

            return this.videoResult.Height || 140;
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('section',{class:[
        'media-thumbnail', {
        'media-thumbnail--selected': (_vm.isSelected),

        'media-thumbnail--card': (_vm.layoutStyle === 'card'),
        'media-thumbnail--listing': (_vm.layoutStyle === 'listing'),
        'media-thumbnail--open': (_vm.layoutStyle === 'open'),
    }],style:({ minWidth: _vm.width + 'px' })},[_c('div',{staticClass:"media-thumbnail__img-container",style:({ width: _vm.width + 'px' })},[_c('img',{staticClass:"inner",attrs:{"width":_vm.width,"height":_vm.height,"src":_vm.videoResult.ThumbSrc}}),_vm._v(" "),(_vm.videoResult.Runtime)?_c('b',{staticClass:"media-thumbnail__runtime",domProps:{"textContent":_vm._s(_vm.videoResult.Runtime)}}):_vm._e(),_vm._v(" "),(_vm.videoResult.hasVideo)?_c('b',{staticClass:"media-thumbnail__play-arrow"}):_vm._e()]),_vm._v(" "),_c('h3',{staticClass:"media-thumbnail__header",domProps:{"innerHTML":_vm._s(_vm.videoResult.Title)}}),_vm._v(" "),_c('div',{staticClass:"media-thumbnail__info"},[(_vm.videoResult.VideoSourceInfo)?_c('p',{staticClass:"media-thumbnail__source-info",domProps:{"innerHTML":_vm._s(_vm.videoResult.VideoSourceInfo)}}):_vm._e(),_vm._v(" "),(_vm.videoResult.VideoSourceAuthor)?_c('p',{staticClass:"media-thumbnail__source-author",domProps:{"innerHTML":_vm._s(_vm.videoResult.VideoSourceAuthor)}}):_vm._e(),_vm._v(" "),(_vm.videoResult.VideoSourceSiteName)?_c('p',{staticClass:"media-thumbnail__source-site",domProps:{"innerHTML":_vm._s(_vm.videoResult.VideoSourceSiteName)}}):_vm._e()])])}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-9a8e5eea", __vue__options__)
  } else {
    hotAPI.reload("data-v-9a8e5eea", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],8:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("@charset \"UTF-8\";\n/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/*-------------------------------------*\\\r\n    ASPECT-RATIO\r\n\\*-------------------------------------*/\n/***\r\n    Slabs\r\n ***/\n/**\r\n * Slabs\r\n *\r\n * Styling for creating a colored area, with proper text color and contrast\r\n * adjustments\r\n *\r\n\r\n */\n/* line 55, StylesUnbuilt/molecules/_slabs.scss */\n.slab--dark {\n  color: #fff;\n  background-color: #212121;\n  text-shadow: 1px 1px 0 #000;\n  /*\r\n    // .search-result-container {\r\n    //     a.result-link,\r\n    //     a.result-link:hover,\r\n    //     a.result-link:active,\r\n    //     a.result-link:focus,\r\n    //     .sitelinks ul li a,\r\n    //     .sitelinks ul li a:hover,\r\n    //     .sitelinks ul li a:active,\r\n    //     .sitelinks ul li a:focus,\r\n    //     {\r\n    //         color: $c-link-lighter !important;\r\n    //     }\r\n\r\n    //     .result-desc a,\r\n    //     .result-desc a:hover,\r\n    //     .result-desc a:active,\r\n    //     .result-desc a:focus {\r\n    //         color: $c-gray-dark !important;\r\n    //     }\r\n\r\n    //     cite a,\r\n    //     cite a:hover,\r\n    //     cite a:active,\r\n    //     cite a:focus {\r\n    //         color: $c-green-light !important;\r\n    //     }\r\n    // }\r\n    */ }\n  /* line 20, StylesUnbuilt/molecules/_slabs.scss */\n  .slab--dark a {\n    color: #5a75a9; }\n\n/* line 252, stdin */\n.media-viewarea {\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */\n  margin-bottom: 1.5em; }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea:before, .media-viewarea:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea:after {\n    clear: both; }\n\n/* line 258, stdin */\n.media-viewarea--dark {\n  margin-left: -5px;\n  margin-right: -5px;\n  padding: 25px 20px;\n  padding-bottom: 65px;\n  box-shadow: 0 0 24px 4px rgba(0, 0, 0, 0.5) inset;\n  color: #fff;\n  background-color: #212121;\n  text-shadow: 1px 1px 0 #000;\n  /*\r\n    // .search-result-container {\r\n    //     a.result-link,\r\n    //     a.result-link:hover,\r\n    //     a.result-link:active,\r\n    //     a.result-link:focus,\r\n    //     .sitelinks ul li a,\r\n    //     .sitelinks ul li a:hover,\r\n    //     .sitelinks ul li a:active,\r\n    //     .sitelinks ul li a:focus,\r\n    //     {\r\n    //         color: $c-link-lighter !important;\r\n    //     }\r\n\r\n    //     .result-desc a,\r\n    //     .result-desc a:hover,\r\n    //     .result-desc a:active,\r\n    //     .result-desc a:focus {\r\n    //         color: $c-gray-dark !important;\r\n    //     }\r\n\r\n    //     cite a,\r\n    //     cite a:hover,\r\n    //     cite a:active,\r\n    //     cite a:focus {\r\n    //         color: $c-green-light !important;\r\n    //     }\r\n    // }\r\n    */\n  /*\r\n        a {\r\n            color: $c-se-link-light;\r\n        }\r\n\r\n        .search-result-container {\r\n\r\n            a.result-link,\r\n            .siteLinks ul li a {\r\n                &, &:visited {\r\n                    color: $c-se-link-light;\r\n                }\r\n            }\r\n\r\n            .result-desc a {\r\n                &, &:visited {\r\n                    color: $c-se-gray-light !important;\r\n                }\r\n            }\r\n\r\n            cite a {\r\n                &, &:visited {\r\n                    color: $c-se-green-light !important;\r\n                }\r\n            }\r\n        }\r\n        */ }\n  /* line 20, StylesUnbuilt/molecules/_slabs.scss */\n  .media-viewarea--dark a {\n    color: #5a75a9; }\n\n/**\r\n     * A container surrounding the actual content\r\n     */\n/* line 301, stdin */\n.media-viewarea__content {\n  border-bottom: 1px solid rgba(0, 0, 0, 0.12);\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea__content {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea__content:before, .media-viewarea__content:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea__content:after {\n    clear: both; }\n  /* line 306, stdin */\n  .media-viewarea__content > * {\n    /* height: 200px; */ }\n\n/**\r\n     * Section that contains the actual media, also any ads positioned around\r\n     * the media item\r\n     */\n/* line 317, stdin */\n.media-viewarea__media {\n  text-align: center;\n  background: #000;\n  width: 62%;\n  /**\r\n         * The media should be oriented to the left\r\n         */\n  /**\r\n         * The media should be oriented to the right\r\n         */\n  /**\r\n         * The media should be oriented to take up the full width\r\n         */ }\n  /* line 324, stdin */\n  .media-viewarea--dark .media-viewarea__media {\n    background: #212121; }\n  /* line 332, stdin */\n  .--media-pos-left .media-viewarea__media,\n  .--media-pos-left-alt .media-viewarea__media {\n    float: left; }\n  /* line 340, stdin */\n  .--media-pos-right .media-viewarea__media {\n    float: right; }\n  /* line 347, stdin */\n  .--media-pos-theatre .media-viewarea__media {\n    float: none;\n    width: 100%; }\n\n/**\r\n         * A middle container, used to separate the middle section from the\r\n         * section that hosts the top/bottom ads\r\n         */\n/* line 357, stdin */\n.__middle {\n  display: flex;\n  justify-content: center;\n  padding: 0 60px;\n  overflow: hidden;\n  position: relative; }\n  /* line 365, stdin */\n  .__middle .previous,\n  .__middle .next {\n    display: none; }\n  /* line 374, stdin */\n  .--media-pos-left .__middle .previous,\n  .--media-pos-left .__middle .next,\n  .--media-pos-left-alt .__middle .previous,\n  .--media-pos-left-alt .__middle .next {\n    display: block;\n    width: 40px;\n    height: 120px;\n    position: absolute;\n    top: 50%;\n    margin-top: -60px;\n    background: transparent;\n    opacity: .15;\n    transition: all 250ms ease; }\n    /* line 393, stdin */\n    .--media-pos-left .__middle .previous:hover,\n    .--media-pos-left .__middle .next:hover,\n    .--media-pos-left-alt .__middle .previous:hover,\n    .--media-pos-left-alt .__middle .next:hover {\n      background: #656565;\n      opacity: .5; }\n    /* line 398, stdin */\n    .--media-pos-left .__middle .previous:before,\n    .--media-pos-left .__middle .next:before,\n    .--media-pos-left-alt .__middle .previous:before,\n    .--media-pos-left-alt .__middle .next:before {\n      content: \"\";\n      display: block;\n      width: 15px;\n      height: 15px;\n      position: absolute;\n      top: 50%;\n      margin-top: -7px;\n      transform: rotate(45deg);\n      border: 3px solid transparent; }\n  /* line 419, stdin */\n  .--media-pos-left .__middle .previous,\n  .--media-pos-left-alt .__middle .previous {\n    left: 10px; }\n    /* line 422, stdin */\n    .--media-pos-left .__middle .previous:before,\n    .--media-pos-left-alt .__middle .previous:before {\n      left: 17px;\n      border-left-color: #eee;\n      border-bottom-color: #eee; }\n  /* line 429, stdin */\n  .--media-pos-left .__middle .next,\n  .--media-pos-left-alt .__middle .next {\n    right: 10px; }\n    /* line 432, stdin */\n    .--media-pos-left .__middle .next:before,\n    .--media-pos-left-alt .__middle .next:before {\n      right: 17px;\n      border-top-color: #eee;\n      border-right-color: #eee; }\n\n/**\r\n             * The media itself\r\n             */\n/* line 445, stdin */\n.__content__media {\n  flex-grow: 1;\n  max-width: 100vh;\n  position: relative; }\n  /* line 9, StylesUnbuilt/utilities/_aspect-ratio.scss */\n  .__content__media:before {\n    content: \"\";\n    display: block;\n    width: 100%;\n    padding-top: 56.25%; }\n  /* line 17, StylesUnbuilt/utilities/_aspect-ratio.scss */\n  .__content__media > .inner {\n    position: absolute;\n    top: 0;\n    left: 0;\n    right: 0;\n    bottom: 0; }\n  /* line 451, stdin */\n  .media-viewarea--dark .__content__media {\n    box-shadow: 0 0 12px rgba(0, 0, 0, 0.3); }\n\n/**\r\n         * Area that potentially contains an ad\r\n         */\n/* line 459, stdin */\n.ad-area {\n  text-align: center;\n  display: block;\n  background: #fcf; }\n\n/**\r\n     * Details about the media objects,\r\n     * a.k.a. title, where it came from, description, etc.\r\n     */\n/* line 469, stdin */\n.media-viewarea__details {\n  width: 62%;\n  padding: 0 20px 20px;\n  float: left;\n  /**\r\n         * Position the details below the media itsellf, and media to the left\r\n         */\n  /**\r\n         * Position the details beside the media\r\n         */\n  /**\r\n         * The button that takes the user to the actual result page\r\n         */ }\n  /* line 478, stdin */\n  .--media-pos-left .media-viewarea__details {\n    max-width: 750px;\n    float: left;\n    clear: both; }\n  /* line 488, stdin */\n  .--media-pos-left-alt .media-viewarea__details {\n    float: none;\n    width: auto;\n    padding-left: 20px;\n    padding-bottom: 20px;\n    display: flex;\n    flex-wrap: wrap; }\n    /* line 498, stdin */\n    .--media-pos-left-alt .media-viewarea__details > * {\n      width: 100%; }\n  /* line 503, stdin */\n  .--media-pos-right .media-viewarea__details {\n    float: right; }\n  /* line 509, stdin */\n  .media-viewarea__details .__info {\n    margin-bottom: 20px; }\n  /* line 517, stdin */\n  .media-viewarea__details .__go-to-site {\n    width: 100%;\n    margin-bottom: 20px; }\n    /* line 521, stdin */\n    .media-viewarea__details .__go-to-site .button {\n      display: inline-block;\n      padding: 4px 12px;\n      border: 1px solid;\n      border-radius: 3px;\n      cursor: pointer; }\n\n/**\r\n         * Container for the site the media came from\r\n         */\n/* line 535, stdin */\n.__source-site {\n  font-weight: bold; }\n\n/**\r\n         * For info about the site, use a random class id so we can select it\r\n         * without accidentally selection something else\r\n         */\n/* line 545, stdin */\n.__source-info.sc4325cdsk > *:before {\n  content: \" · \"; }\n\n/**\r\n         * Container for the author of the media\r\n         */\n/* line 553, stdin */\n.__source-author {\n  opacity: .85; }\n  /* line 556, stdin */\n  .__source-author:before {\n    content: \"by \"; }\n\n/**\r\n     * The header for the media, can be placed either above or beside the media\r\n     */\n/* line 565, stdin */\n.media-viewarea__header h1 {\n  font-size: 18px;\n  margin: 20px 0; }\n\n/* line 570, stdin */\n.media-viewarea__header a,\n.media-viewarea__header a:visited {\n  color: inherit; }\n\n/**\r\n     * Area for related content (aka. ads)\r\n     */\n/* line 579, stdin */\n.media-viewarea__related {\n  display: flex;\n  flex-wrap: wrap;\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea__related {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea__related:before, .media-viewarea__related:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .media-viewarea__related:after {\n    clear: both; }\n  /* line 585, stdin */\n  .--media-pos-left .media-viewarea__related,\n  .--media-pos-left-alt .media-viewarea__related {\n    padding-left: 20px;\n    overflow-y: auto;\n    overflow-x: hidden; }\n  /* line 594, stdin */\n  .--media-pos-left-alt .media-viewarea__related:before {\n    content: \"\";\n    display: block;\n    width: 100%;\n    height: 1px;\n    margin-bottom: 20px;\n    background: #eee; }\n    /* line 605, stdin */\n    .slab--dark .--media-pos-left-alt .media-viewarea__related:before {\n      background: #696969; }\n  /* line 612, stdin */\n  .slab--dark.--media-pos-left-alt .media-viewarea__related:before {\n    background: #696969; }\n  /* line 617, stdin */\n  .--media-pos-right .media-viewarea__related {\n    padding-right: 20px; }\n  /* line 621, stdin */\n  .media-viewarea__related .ad-area {\n    width: 100%; }\n\n/**\r\n         * We have a structure for setting img ads, this is the actual content\r\n         */\n/* line 629, stdin */\n.__related__content {\n  max-width: 100%;\n  max-height: 100%;\n  padding: 20px 0;\n  margin-top: -20px; }\n  /* line 636, stdin */\n  .--media-pos-left .__related__content {\n    margin-top: 0; }\n\n/**\r\n     * The arrows at the bottom that let you select to the left or the right\r\n     */\n/* line 644, stdin */\n.media-viewarea__selection-controls {\n  display: flex;\n  justify-content: flex-end;\n  margin-top: -47px;\n  /* Move up by the computed height */\n  margin-right: 1.5em;\n  float: right; }\n  /* line 653, stdin */\n  .media-viewarea__selection-controls > a {\n    display: block;\n    position: relative;\n    width: 35px;\n    margin: 5px; }\n    /* line 660, stdin */\n    .media-viewarea__selection-controls > a:before {\n      content: \"\";\n      display: block;\n      width: 100%;\n      padding-top: 100%;\n      background: #fff;\n      border: 1px solid rgba(0, 0, 0, 0.12);\n      border-radius: 50%; }\n      /* line 672, stdin */\n      .slab--dark .media-viewarea__selection-controls > a:before {\n        background: #212121;\n        border: 1px solid #4c4c4c;\n        border-radius: 0; }\n    /* line 679, stdin */\n    .media-viewarea__selection-controls > a:after {\n      content: \"\";\n      display: block;\n      width: 15px;\n      height: 15px;\n      margin-top: -8px;\n      margin-left: -8px;\n      position: absolute;\n      top: 50%;\n      left: 50%;\n      border: 3px solid rgba(0, 0, 0, 0.2);\n      transform: rotate(45deg); }\n      /* line 700, stdin */\n      .slab--dark .media-viewarea__selection-controls > a:after {\n        border-color: #4c4c4c; }\n    /* line 705, stdin */\n    .media-viewarea__selection-controls > a.previous:after {\n      border-right-color: transparent;\n      border-top-color: transparent;\n      margin-left: -5px; }\n    /* line 712, stdin */\n    .media-viewarea__selection-controls > a.next:after {\n      border-left-color: transparent;\n      border-bottom-color: transparent;\n      margin-left: -11px; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = {
    props: ['videoResult', 'videoPos', 'headerPos', 'theatre', 'nocontrols', 'ads', 'dark'],

    data: function data() {
        window.__viewArea = this;
        return {
            isTheatre: this.theatre,
            hideControls: this.nocontrols || false,

            videoPosition: this.videoPos || 'left',
            headerPosition: this.headerPos || 'under',

            hasVideo: false,

            relatedContentContainerHeight: null

        };
    },

    created: function created() {
        var _this = this;

        this.isTheatre = this.theatre;

        this.updatePositions();
        window.addEventListener('resize', function () {
            return _this.updateRelatedContentContainerHeight();
        });
    },

    watch: {
        isTheatre: function isTheatre() {
            this.updatePositions();
        },

        headerPosition: function headerPosition() {
            this.updatePositions();
        },

        videoPosition: function videoPosition() {
            this.updatePositions();
        },

        videoResult: function videoResult() {
            this.hasVideo = this.$refs.videoViewer && this.$refs.videoViewer.hasVideo;
        }
    },

    computed: {
        width: function width() {
            return this.videoResult.Width || 180;
        },

        height: function height() {
            return this.videoResult.Height || 100;
        }
    },

    methods: {
        findAd: function findAd(position) {
            return this.ads && this.ads.find(function (ad) {
                return position ? ad.position === position : true;
            });
        },

        toggleTheatre: function toggleTheatre() {
            this.isTheatre = !this.isTheatre;
        },

        updatePositions: function updatePositions() {
            var _this2 = this;

            try {
                this.$parent.positionViewArea();
                setTimeout(function () {
                    return _this2.$parent.positionViewArea();
                }, 0);
                setTimeout(function () {
                    return _this2.$parent.positionViewArea();
                }, 10);
            } catch (e) {}

            try {
                setTimeout(function () {
                    return _this2.updateRelatedContentContainerHeight();
                }, 0);
                setTimeout(function () {
                    return _this2.updateRelatedContentContainerHeight();
                }, 10);
            } catch (e) {}
        },

        updateRelatedContentContainerHeight: function updateRelatedContentContainerHeight() {
            var newHeight = this.relatedContentContainerHeight;

            var mediaHeight = this.$refs.media && this.$refs.media.offsetHeight || 0;
            var detailsHeight = this.$refs.details && this.$refs.details.offsetHeight || 0;

            switch (this.videoPosition) {
                case 'left-alt':
                    newHeight = mediaHeight - detailsHeight + 'px';
                    break;
                case 'left':
                case 'right':
                    newHeight = mediaHeight + detailsHeight + 'px';
                    break;
                default:
                    newHeight = null;
            }

            this.relatedContentContainerHeight = newHeight;

            return newHeight;
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('article',{class:[
        'media-viewarea', {

        'slab--dark': (_vm.dark == true),
        'media-viewarea--dark': (_vm.dark == true),

        '--media-pos-left': (_vm.videoPosition === 'left'),
        '--media-pos-left-alt': (_vm.videoPosition === 'left-alt'),
        '--media-pos-right': (_vm.videoPosition === 'right'),
        '--media-pos-theatre': (_vm.isTheatre),

        '--header-pos-top': (_vm.headerPosition === 'top'),
        '--header-pos-over': (_vm.headerPosition === 'over'),
        '--header-pos-under': (_vm.headerPosition === 'under'),
    }],attrs:{"v-if":_vm.hasVideo}},[(_vm.headerPosition === 'top')?_c('header',{staticClass:"media-viewarea__header"},[_c('h1',[_c('a',{attrs:{"href":_vm.videoResult.clickUrl,"target":"_blank"},domProps:{"textContent":_vm._s(_vm.videoResult.Title)}})])]):_vm._e(),_vm._v(" "),_c('div',{staticClass:"media-viewarea__content"},[_c('div',{ref:"media",staticClass:"media-viewarea__media"},[_c('ad-area',{attrs:{"ad":_vm.findAd('video-top')}}),_vm._v(" "),_c('div',{staticClass:"__middle"},[_c('ad-area',{attrs:{"ad":_vm.findAd('video-left')}}),_vm._v(" "),_c('div',{staticClass:"__content__media"},[_c('video-frame',{ref:"videoViewer",staticClass:"inner",attrs:{"src":_vm.videoResult.ClickUrl,"thumb":_vm.videoResult.ThumbSrc}})],1),_vm._v(" "),_c('a',{staticClass:"previous",attrs:{"title":"previous","href":"#"},on:{"click":function($event){$event.preventDefault();return _vm.$parent.selectPrevious()}}}),_vm._v(" "),_c('a',{staticClass:"next",attrs:{"title":"next","href":"#"},on:{"click":function($event){$event.preventDefault();return _vm.$parent.selectNext()}}}),_vm._v(" "),_c('ad-area',{attrs:{"ad":_vm.findAd('video-right')}})],1),_vm._v(" "),_c('ad-area',{attrs:{"ad":_vm.findAd('video-bottom')}})],1),_vm._v(" "),_c('div',{ref:"details",staticClass:"media-viewarea__details"},[(_vm.headerPosition === 'under')?_c('header',{staticClass:"media-viewarea__header"},[_c('h1',[_c('a',{attrs:{"href":_vm.videoResult.ClickUrl,"target":"_blank"},domProps:{"textContent":_vm._s(_vm.videoResult.Title)}})])]):_vm._e(),_vm._v(" "),_c('p',{staticClass:"__info"},[(_vm.videoResult.VideoSourceSiteName)?_c('span',{staticClass:"__source-site",domProps:{"innerHTML":_vm._s(_vm.videoResult.VideoSourceSiteName)}}):_vm._e(),_vm._v(" "),(_vm.videoResult.VideoSourceInfo)?_c('span',{staticClass:"__source-info  sc4325cdsk",domProps:{"innerHTML":_vm._s(_vm.videoResult.VideoSourceInfo)}}):_vm._e(),_vm._v(" "),(_vm.videoResult.VideoSourceAuthor)?_c('span',{staticClass:"__source-author",domProps:{"innerHTML":_vm._s(_vm.videoResult.VideoSourceAuthor)}}):_vm._e()]),_vm._v(" "),_c('p',{staticClass:"__go-to-site"},[_c('a',{staticClass:"button",attrs:{"href":_vm.videoResult.ClickUrl,"target":"_blank"}},[_vm._v("Go to page")])]),_vm._v(" "),(_vm.videoResult.Content !== _vm.videoResult.Title)?_c('div',{domProps:{"innerHTML":_vm._s(_vm.videoResult.Content)}}):_vm._e(),_vm._v(" "),_c('ad-area',{attrs:{"ad":_vm.findAd('details-bottom')}})],1),_vm._v(" "),_c('div',{staticClass:"media-viewarea__related",style:({ maxHeight: _vm.relatedContentContainerHeight })},[_c('ad-area',{attrs:{"ad":_vm.findAd('sidebar-top')}}),_vm._v(" "),_c('div',{ref:"relatedContent",staticClass:"__related__content"},[_c('copy-element',{attrs:{"sel":".main-body .search-result-container.sr","index":"0"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".main-body .search-result-container.sr","index":"1"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".main-body .search-result-container.sr","index":"2"}}),_vm._v(" "),_c('copy-element',{attrs:{"sel":".main-body .search-result-container.sr","index":"3"}})],1),_vm._v(" "),_c('ad-area',{attrs:{"ad":_vm.findAd('sidebar-bottom')}})],1)]),_vm._v(" "),(!_vm.hideControls)?_c('div',{staticClass:"media-viewarea__selection-controls"},[_c('a',{staticClass:"previous",attrs:{"title":"previous","href":"#"},on:{"click":function($event){$event.preventDefault();return _vm.$parent.selectPrevious()}}}),_vm._v(" "),_c('a',{staticClass:"next",attrs:{"title":"next","href":"#"},on:{"click":function($event){$event.preventDefault();return _vm.$parent.selectNext()}}})]):_vm._e()])}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-78d61a63", __vue__options__)
  } else {
    hotAPI.reload("data-v-78d61a63", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],9:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/***\r\n    RESULTS LIST\r\n ***/\n/**\r\n * Results list\r\n *\r\n * Stylinhgs for list of search results, in a generic fashion, can be used to\r\n * compose different types of more specific results, a.k.a. test results, video'\r\n * results, shopping, etc.\r\n *\r\n\r\n  <.results-list__container  .--horizontal/vertical/grid/list>\r\n    <a  .results-list__shifter  .--previous>\r\n    <list  .results-list>\r\n      <li>\r\n    <a  .results-list__shifter  .--next>\r\n\r\n */\n/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/***\r\n    Cards\r\n ***/\n/**\r\n * Cards\r\n *\r\n * Styline to give an element a self-contained, card-like look\r\n *\r\n\r\n */\n/* line 43, StylesUnbuilt/molecules/_card.scss */\n.card {\n  border: 1px solid rgba(0, 0, 0, 0.12);\n  background: #fff;\n  border-radius: 3px;\n  box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n  overflow: hidden; }\n  /* line 33, StylesUnbuilt/molecules/_card.scss */\n  .selected > .card, .card.selected {\n    border: 1px solid #4184f4;\n    top: 1px;\n    box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n\n/**\r\n * The list of items, the actual part that displays the results\r\n *\r\n * 1. Remove default list stylings, margins, and paddings\r\n */\n/* line 33, StylesUnbuilt/molecules/_results-list.scss */\n.results-list {\n  list-style: none;\n  /* 1 */\n  padding: 0;\n  /* 1 */\n  margin: 0 -8px;\n  /* 1 */\n  display: flex;\n  position: relative;\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */\n  /**\r\n     * We might want it to be full-width, but we still want a smidge of margin\r\n     * so that we're not up against the side of the window\r\n     */\n  /**\r\n     * Display results in a single horizontal row.\r\n     * 1. Provide default stylings to handle shifting left/right.\r\n     */\n  /**\r\n     * Display results as a single-column, limited-width, vertical grid\r\n     */\n  /**\r\n     * Display results in a multi-line grid\r\n     */\n  /**\r\n     * Display results as a single-column, full-width, list\r\n     */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .results-list {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .results-list:before, .results-list:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .results-list:after {\n    clear: both; }\n  /* line 45, StylesUnbuilt/molecules/_results-list.scss */\n  .results-list > li {\n    margin: 8px;\n    position: relative; }\n  /* line 55, StylesUnbuilt/molecules/_results-list.scss */\n  .--full-width > .results-list {\n    margin-left: 0;\n    margin-right: 0; }\n  /* line 69, StylesUnbuilt/molecules/_results-list.scss */\n  .--horizontal > .results-list {\n    width: 100%;\n    margin: 0;\n    /* 1 */\n    position: relative;\n    /* 1 */\n    overflow-x: auto;\n    -ms-overflow-style: none;\n    overflow: -moz-scrollbars-none;\n    flex-direction: row;\n    transition: right 300ms ease;\n    /* 1 */ }\n    /* line 77, StylesUnbuilt/molecules/_results-list.scss */\n    .--horizontal > .results-list::-webkit-scrollbar {\n      display: none; }\n    /* line 84, StylesUnbuilt/molecules/_results-list.scss */\n    .--horizontal > .results-list > li {\n      margin: 0;\n      padding: 8px; }\n  /* line 93, StylesUnbuilt/molecules/_results-list.scss */\n  .--vertical > .results-list {\n    background: #eaeaff;\n    flex-direction: column;\n    float: left; }\n  /* line 103, StylesUnbuilt/molecules/_results-list.scss */\n  .--grid > .results-list {\n    width: 100%;\n    flex-wrap: wrap;\n    align-items: flex-start;\n    justify-content: start; }\n    /* line 109, StylesUnbuilt/molecules/_results-list.scss */\n    .--grid > .results-list > li {\n      width: 260px;\n      max-width: 325px;\n      display: flex;\n      flex-grow: 1; }\n  /* line 121, StylesUnbuilt/molecules/_results-list.scss */\n  .--list > .results-list {\n    width: 100%;\n    margin: 0;\n    /* 1 */\n    position: relative;\n    /* 1 */\n    flex-wrap: wrap;\n    overflow-x: auto;\n    -ms-overflow-style: none;\n    overflow: -moz-scrollbars-none; }\n    /* line 130, StylesUnbuilt/molecules/_results-list.scss */\n    .--list > .results-list::-webkit-scrollbar {\n      display: none; }\n    /* line 134, StylesUnbuilt/molecules/_results-list.scss */\n    .--list > .results-list > li {\n      width: 100%;\n      margin-left: 0;\n      margin-right: 0;\n      /* padding: 0 $s-gap; */\n      padding: 0; }\n\n/**\r\n     * A container that the result list is contained in,\r\n     * used to add a consistent margin, and some stylistic touches.\r\n     */\n/* line 150, StylesUnbuilt/molecules/_results-list.scss */\n.results-list__container {\n  position: relative;\n  /**\r\n     * For IE 6/7 only\r\n     * Include this rule to trigger hasLayout and contain floats.\r\n     */\n  /**\r\n     * For modern browsers\r\n     * 1. The space content is one way to avoid an Opera bug when the\r\n     *    contenteditable attribute is included anywhere else in the document.\r\n     *    Otherwise it causes space to appear at the top and bottom of elements\r\n     *    that are clearfixed.\r\n     * 2. The use of `table` rather than `block` is only necessary if using\r\n     *    `:before` to contain the top-margins of child elements.\r\n     */\n  /**\r\n         * Add left/right borders to help make the cut-off in the horizontal\r\n         * view less jarring\r\n         */ }\n  /* line 6, StylesUnbuilt/utilities/_clearfix.scss */\n  .results-list__container {\n    *zoom: 1; }\n  /* line 19, StylesUnbuilt/utilities/_clearfix.scss */\n  .results-list__container:before, .results-list__container:after {\n    content: \" \";\n    /* 1 */\n    display: table;\n    /* 2 */ }\n  /* line 25, StylesUnbuilt/utilities/_clearfix.scss */\n  .results-list__container:after {\n    clear: both; }\n  /* line 158, StylesUnbuilt/molecules/_results-list.scss */\n  .results-list__container.--horizontal {\n    background-color: #f1f1f1;\n    overflow: hidden; }\n    /* line 162, StylesUnbuilt/molecules/_results-list.scss */\n    .results-list__container.--horizontal:after, .results-list__container.--horizontal:before {\n      content: \"\";\n      display: block;\n      background: #eee;\n      width: 1px;\n      position: absolute;\n      top: 4px;\n      bottom: 4px;\n      z-index: 2;\n      box-shadow: 0 0 3px 1px rgba(0, 0, 0, 0.2); }\n    /* line 180, StylesUnbuilt/molecules/_results-list.scss */\n    .results-list__container.--horizontal:after {\n      right: -1px; }\n    /* line 184, StylesUnbuilt/molecules/_results-list.scss */\n    .results-list__container.--horizontal:before {\n      left: -1px; }\n  /* line 195, StylesUnbuilt/molecules/_results-list.scss */\n  .results-list__container.--list {\n    /* background-color: #f1f1f1; */\n    overflow: hidden; }\n\n/**\r\n * The shifter is used to move the results in and out of view, for\r\n * when the view area of the results is limited.\r\n *\r\n * 1. Hide by default\r\n */\n/* line 209, StylesUnbuilt/molecules/_results-list.scss */\n.results-list__shifter {\n  display: none;\n  /* 1 */\n  opacity: 0;\n  transition: opacity 180ms ease;\n  /* --horizontal */ }\n  /* line 215, StylesUnbuilt/molecules/_results-list.scss */\n  .--horizontal:hover > .results-list__shifter {\n    opacity: .6; }\n  /* line 219, StylesUnbuilt/molecules/_results-list.scss */\n  .--horizontal > .results-list__shifter {\n    display: block;\n    background: rgba(0, 0, 0, 0.5);\n    height: 100px;\n    width: 30px;\n    /**\r\n         * Position down 50%, then bring back up (negative margin) 50%\r\n         * of the height of the element,\r\n         *\r\n         * This centers the next/previous buttons vertically\r\n         */\n    margin-top: -50px;\n    position: absolute;\n    top: 50%;\n    z-index: 1;\n    /**\r\n         * Styling to create the ground-work for the arrow glyphs\r\n         */\n    /**\r\n         * 1. Position the previous arrow to the left,\r\n         * 2. Style the borders to create a left-pointing arrow\r\n         */\n    /**\r\n         * 1. Position the previous arrow to the right,\r\n         * 2. Style the borders to create a right-pointing arrow\r\n         */ }\n    /* line 242, StylesUnbuilt/molecules/_results-list.scss */\n    .--horizontal > .results-list__shifter:hover, .--horizontal > .results-list__shifter:active, .--horizontal > .results-list__shifter:focus {\n      opacity: 1;\n      background: rgba(0, 0, 0, 0.85); }\n    /* line 254, StylesUnbuilt/molecules/_results-list.scss */\n    .--horizontal > .results-list__shifter:after {\n      content: \" \";\n      display: block;\n      width: 0;\n      height: 0;\n      border: 10px solid transparent;\n      margin-top: -10px;\n      position: absolute;\n      top: 50%; }\n    /* line 272, StylesUnbuilt/molecules/_results-list.scss */\n    .--horizontal > .results-list__shifter.--previous {\n      left: 0;\n      /* 1 */ }\n      /* line 275, StylesUnbuilt/molecules/_results-list.scss */\n      .--horizontal > .results-list__shifter.--previous:after {\n        /* 2 */\n        border-right-color: #fff;\n        border-right-width: 19px;\n        border-left-width: 0;\n        right: 7px; }\n    /* line 288, StylesUnbuilt/molecules/_results-list.scss */\n    .--horizontal > .results-list__shifter.--next {\n      right: 0;\n      /* 1 */ }\n      /* line 291, StylesUnbuilt/molecules/_results-list.scss */\n      .--horizontal > .results-list__shifter.--next:after {\n        /* 2 */\n        border-left-color: #fff;\n        border-left-width: 19px;\n        border-right-width: 0;\n        left: 7px; }\n\n/***\r\n    Cards\r\n ***/\n/**\r\n * Cards\r\n *\r\n * Styline to give an element a self-contained, card-like look\r\n *\r\n\r\n */\n/* line 43, StylesUnbuilt/molecules/_card.scss */\n.card {\n  border: 1px solid rgba(0, 0, 0, 0.12);\n  background: #fff;\n  border-radius: 3px;\n  box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n  overflow: hidden; }\n  /* line 33, StylesUnbuilt/molecules/_card.scss */\n  .selected > .card, .card.selected {\n    border: 1px solid #4184f4;\n    top: 1px;\n    box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n\n/* line 160, stdin */\n.product-results {\n  margin-bottom: 1em; }\n\n/* line 164, stdin */\n.product-result__body {\n  color: inherit;\n  text-align: center;\n  display: block;\n  padding: 4px;\n  border: 1px solid rgba(0, 0, 0, 0.12);\n  background: #fff;\n  border-radius: 3px;\n  box-shadow: 0 1px 2px -1px rgba(0, 0, 0, 0.15);\n  overflow: hidden; }\n  /* line 33, StylesUnbuilt/molecules/_card.scss */\n  .selected > .product-result__body, .product-result__body.selected {\n    border: 1px solid #4184f4;\n    top: 1px;\n    box-shadow: 0 1px 1px -1px rgba(0, 0, 0, 0.1); }\n  /* line 172, stdin */\n  .--list .product-result__body {\n    text-align: left;\n    border: 0;\n    box-shadow: none; }\n\n/* line 179, stdin */\n.product-result__image {\n  max-width: 180px; }\n  /* line 182, stdin */\n  .--list .product-result__image {\n    float: left;\n    max-width: 88px;\n    margin-right: 12px;\n    margin-bottom: 2px; }\n\n/* line 190, stdin */\n.product-result__name {\n  font-weight: bold; }\n  /* line 193, stdin */\n  .--list .product-result__name {\n    color: #1a0dab;\n    text-overflow: ellipsis;\n    font-size: 18px;\n    font-weight: normal;\n    white-space: nowrap;\n    margin-bottom: 0;\n    overflow: hidden;\n    display: block !important; }\n\n/* line 209, stdin */\n.product-result__site,\n.product-result__site a,\n.product-result__site a:hover {\n  text-decoration: none;\n  color: #006621;\n  font-style: normal;\n  font-size: 14px;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  white-space: nowrap;\n  display: block;\n  line-height: 16px !important;\n  height: auto !important;\n  padding: 0 !important;\n  margin: 1px 0 1px 0 !important; }\n\n/* line 227, stdin */\n.product-result__price {\n  padding: 0 0 0 0;\n  margin: 0;\n  line-height: 18px !important;\n  width: 100%;\n  color: #545454; }\n  /* line 234, stdin */\n  .product-result__price a,\n  .product-result__price a:hover {\n    color: inherit; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {

    props: ['layout', 'src-data-id', 'controls'],

    data: function data() {
        window.__productResults = this;
        return {
            offset: 0,
            maxOffset: Infinity,
            size: 5,
            min_price: null,
            max_price: null,
            layoutStyle: this.layout || 'horizontal',

            productResults: []
        };
    },

    created: function created() {
        this.loadData();
    },

    mounted: function mounted() {
        var _this = this;

        window.addEventListener('resize', function () {
            _this.shift(0);
        });
    },

    methods: {
        stripSubdomain: function stripSubdomain(str) {
            var result = str;

            try {
                var newStr = str.split('.').slice(-2).join('.');
                if (newStr) result = newStr;
            } catch (err) {}

            return result;
        },

        loadData: function loadData() {

            var data = void 0;
            var srcDataId = this.srcDataId || 'productResultData';

            try {
                if (this.$slots.default && this.$slots.default[0].text) {
                    data = JSON.parse(this.$slots.default[0].text);
                } else if (document.getElementById(srcDataId)) {
                    data = JSON.parse(document.getElementById(srcDataId).innerHTML);
                }
            } catch (err) {
                console.log(err);
            }

            if (data) {
                this.productResults = data;
            }
        },

        shift: function shift(n) {
            var _this2 = this;

            var el = this.$refs.ulProductResults;
            n = typeof n !== 'undefined' ? n : .45;

            if (this.layoutStyle === 'horizontal') {
                var maxScroll = el.scrollWidth - el.clientWidth;
                var distance = el.clientWidth * n;

                console.log('scrollLeft: ', el.scrollLeft);
                console.log('maxScroll: ', maxScroll);
                console.log('distance: ', distance);

                el.scrollLeft += distance;

                this.offset = el.scrollLeft * 1;
                this.maxOffset = maxScroll * 1;

                console.log('scrollLeft: ', el.scrollLeft);
                console.log('maxScroll: ', maxScroll);
                console.log('distance: ', distance);

                setTimeout(function () {
                    return el.scrollLeft = _this2.offset * 1;
                }, 0);
            }
        }

    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('section',{staticClass:"product-results"},[(_vm.controls)?_c('section',{staticClass:"product-results__controls"}):_vm._e(),_vm._v(" "),_c('section',{class:[
        'product-results__list',
        'results-list__container', {
            '--horizontal': (_vm.layoutStyle === 'horizontal'),
            '--vertical': (_vm.layoutStyle === 'vertical'),
            '--grid': (_vm.layoutStyle === 'grid'),
            '--list': (_vm.layoutStyle === 'list'),

            '--grid': (_vm.layoutStyle === 'full-list'),
            '--full-list': (_vm.layoutStyle === 'full-list'),
        }]},[(_vm.offset > 0)?_c('a',{class:['results-list__shifter', '--previous'],attrs:{"href":"#","title":"previous"},on:{"click":function($event){$event.preventDefault();return _vm.shift(-.45)}}}):_vm._e(),_vm._v(" "),_c('ul',{ref:"ulProductResults",staticClass:"results-list"},_vm._l((_vm.productResults),function(product,i){return _c('li',{ref:"thumbnails",refInFor:true},[_c('div',{staticClass:"product-result__body",attrs:{"href":product.ResultUrl}},[_c('a',{attrs:{"href":product.ResultUrl}},[_c('img',{staticClass:"product-result__image",attrs:{"src":product.ProductImages.product.Url}})]),_vm._v(" "),_c('h5',{staticClass:"product-result__name"},[_c('a',{staticClass:"product-result__name",attrs:{"href":product.ResultUrl},domProps:{"textContent":_vm._s(product.Title)}})]),_vm._v(" "),_c('cite',{staticClass:"product-result__site  search-result__site-info"},[_c('a',{attrs:{"href":product.ResultUrl},domProps:{"textContent":_vm._s(_vm.stripSubdomain(product.SiteUrl))}})]),_vm._v(" "),_c('p',{staticClass:"product-result__price"},[_c('a',{attrs:{"href":product.ResultUrl},domProps:{"textContent":_vm._s(product.DisplayPrice)}})])])])}),0),_vm._v(" "),(_vm.offset < _vm.maxOffset)?_c('a',{staticClass:"results-list__shifter  --next",attrs:{"href":"#","title":"next"},on:{"click":function($event){$event.preventDefault();return _vm.shift(.45)}}}):_vm._e()])])}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-9b545640", __vue__options__)
  } else {
    hotAPI.reload("data-v-9b545640", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],10:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/* line 88, stdin */\n.site-pager {\n  display: flex; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

var _updateUrlParameter = require('../lib/updateUrlParameter');

var _updateUrlParameter2 = _interopRequireDefault(_updateUrlParameter);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = {
    props: ['page', 'next-page-token', 'prev-page-token'],

    data: function data() {
        return {};
    },

    created: function created() {
        window.__sitePager = this;
    },

    watch: {
        page: function page(newPage, oldPage) {
            var nextPageUrl = this.getNextPageUrl(newPage, oldPage);

            if (nextPageUrl != window.location.href) window.location.href = nextPageUrl;
        }
    },

    methods: {
        getNextPageUrl: function getNextPageUrl(newPage, oldPage) {
            var url = window.location.href;

            if (newPage !== oldPage) {
                url = (0, _updateUrlParameter2.default)('page', newPage, url);

                var pageToken = '';
                if (newPage > oldPage) pageToken = this.nextPageToken;
                if (newPage < oldPage) pageToken = this.prevPageToken;

                url = (0, _updateUrlParameter2.default)('pt', pageToken, url);
            }

            return url;
        },

        go: function go(page, action) {
            switch (action) {
                case 'previous':
                    this.previous();
                case 'next':
                    this.next();
                default:
                    this.page = page;
            }
        },

        previous: function previous() {
            if (this.page > 0) this.page--;
            if (this.page < 0) this.page = 0;
        },

        next: function next() {
            this.page++;
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('v-pager',{directives:[{name:"ref",rawName:"v-ref",value:(_vm.pager),expression:"pager"}],staticClass:"site-pager",attrs:{"page":_vm.page},on:{"go":_vm.go}})}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-16cabea5", __vue__options__)
  } else {
    hotAPI.reload("data-v-16cabea5", __vue__options__)
  }
})()}
},{"../lib/updateUrlParameter":16,"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],11:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/* line 118, stdin */\n.slideview__container {\n  overflow: hidden; }\n  /* line 123, stdin */\n  .slideview__container.--display-title .search-result__source-citation ~ * {\n    display: none; }\n\n/* line 129, stdin */\n.slideview__item {\n  overflow: hidden;\n  max-height: 450px;\n  transition: max-height ease 720ms; }\n  /* line 135, stdin */\n  .--display-title .slideview__item {\n    max-height: 200px; }\n  /* line 139, stdin */\n  .slideview__item.--closed {\n    max-height: 0px !important; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = {
    props: ['count', 'display-style'],

    data: function slideviewerData() {
        return {
            opened: 0,
            timeoutKey: null
        };
    },

    created: function slideviewerCreated() {
        var _this = this;

        this.count = (this.count || 1) * 1;
        window.__slideviewer = this;

        window.addEventListener('scroll', function () {
            var scrollPosition = window.scrollY;
            var adsSeparator = document.querySelector('.ads-border-box');

            if (_this.timeoutKey) clearTimeout(_this.timeoutKey);

            if (adsSeparator && adsSeparator.offsetTop && scrollPosition >= adsSeparator.offsetTop - 120) {
                _this.openAll();
            } else {
                _this.timeoutKey = setTimeout(function () {
                    return _this.closeAll();
                }, 200);
            }
        });
    },

    computed: {
        items: function computeSlideviewItems() {
            var items = [];

            for (var i = 0; i < this.count; i++) {
                items.push({
                    id: i,
                    opened: this.opened > i
                });
            }

            return items;
        }
    },

    methods: {

        openOne: function openOne() {
            if (this.opened < this.count) this.opened++;

            return this.opened;
        },

        closeOne: function closeOne() {
            if (this.opened > 0) this.opened--;

            return this.opened;
        },

        openAll: function openAll() {
            this.opened = this.count + 1;

            return this.opened;
        },

        closeAll: function closeAll() {
            this.opened = 0;

            return this.opened;
        }

    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{class:[
        'slideview__container', {
        '--display-full': (_vm.displayStyle === 'full'),
        '--display-title': (_vm.displayStyle === 'title'),
    }]},[_c('div',{staticClass:"slideview__item",class:{
            '--closed': (_vm.opened < 1),
        }},[_c('copy-element',{attrs:{"sel":".ads-related-to"}})],1),_vm._v(" "),_vm._l((_vm.items),function(item,i){return _c('div',{key:item.id,staticClass:"slideview__item",class:{
            '--closed': (!item.opened),
        },attrs:{"item":item,"index":i}},[_c('copy-element',{attrs:{"sel":".main-body .search-result.sr","index":i}})],1)})],2)}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-6a8e6692", __vue__options__)
  } else {
    hotAPI.reload("data-v-6a8e6692", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],12:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/*-------------------------------------*\\\r\n    COLORS\r\n\\*-------------------------------------*/\n/**\r\n * Colors\r\n *\r\n * All the global colors used throughout\r\n *\r\n **\r\n * Base\r\n *\r\n *\r\n\r\n    [lightest]  [brightest]\r\n    [lighter]   [brighter]\r\n    [light]     [bright]\r\n        --- base ---\r\n    [dark]      [dull]\r\n    [darker]    [duller]\r\n    [darkest]   [dullest]\r\n *\r\n * Name Pattern:\r\n *  c-[name]--[modifier]\r\n *\r\n */\n/*-------------------------------------*\\\r\n    Base Colors\r\n\\*-------------------------------------*/\n/** don't use */\n/*-------------------------------------*\\\r\n    Site Colors\r\n\\*-------------------------------------*/\n/* line 80, stdin */\n.pager {\n  font-size: 16px;\n  margin-top: -5px;\n  display: flex; }\n\n/* line 87, stdin */\n.pager__link {\n  min-width: 85px;\n  padding: .5em;\n  margin: 0 .5em;\n  border: 1px solid;\n  border-color: rgba(17, 85, 204, 0.45);\n  border-radius: 3px; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = {
    props: ['page', 'max', 'text-previous', 'text-next'],

    data: function data() {},

    methods: {
        previous: function previous() {
            if (this.page > 0) this.page--;

            this.$emit('go', this.page, 'previous');
        },

        next: function next() {
            if (!this.max || this.page < this.max) this.page++;

            this.$emit('go', this.page, 'next');
        },

        first: function first() {
            this.page = 0;
            this.$emit('go', this.page, 'first');
        },

        last: function last() {
            if (!this.max) {
                this.$emit('go', 'last', 'last');
            } else {
                this.page = this.max;
                this.$emit('go', this.page, 'last');
            }
        },

        go: function go(page) {
            this.page = page;
            this.$emit('go', page, 'to');
        }

    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('section',{staticClass:"pager"},[_c('a',{class:[
            'pager__link',
            'pager__link--previous', {
            'disabled': (_vm.page <= 0)
        }],attrs:{"href":"#","title":"previous"},domProps:{"innerHTML":_vm._s(_vm.textPrevious !== undefined ? _vm.textPrevious : 'Previous')},on:{"click":function($event){$event.preventDefault();return _vm.previous($event)}}}),_vm._v(" "),_c('a',{class:[
            'pager__link',
            'pager__link--next', {
            'disabled': (_vm.max && _vm.page >= _vm.max)
        }],attrs:{"href":"#","title":"next"},domProps:{"innerHTML":_vm._s(_vm.textNext !== undefined ? _vm.textNext : 'Next')},on:{"click":function($event){$event.preventDefault();return _vm.next($event)}}})])}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-51506174", __vue__options__)
  } else {
    hotAPI.reload("data-v-51506174", __vue__options__)
  }
})()}
},{"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],13:[function(require,module,exports){
var __vueify_style_dispose__ = require("vueify/lib/insert-css").insert("/* line 107, stdin */\n.video-viewer__video > iframe:nth-child(1) {\n  position: absolute;\n  top: 0;\n  left: 0;\n  width: 100%;\n  height: 100%; }\n\n/* line 115, stdin */\n.video-viewer__video {\n  position: relative;\n  padding-bottom: 56.25%;\n  padding-top: 25px;\n  float: none;\n  clear: both;\n  width: 100%;\n  height: 0; }\n\n/* line 125, stdin */\n.__middle {\n  padding: 0; }")
;(function(){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _regex = require('../lib/regex');

var patterns = _interopRequireWildcard(_regex);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

var defaultWidth = 560;
var defaultHeight = 315;

exports.default = {
    props: ['src', 'thumb', 'width', 'height', 'sfw', 'nsfw', 'adult'],

    data: function getData() {
        return {
            videoSrc: '',
            sourceType: '',
            frameWidth: this.width || defaultWidth,
            frameHeight: this.height || defaultHeight,
            showAdult: this.adult || this.nsfw || !this.sfw,
            videoClass: ['video-viewer__video']
        };
    },

    created: function created() {
        this.setVideoSrc();
    },

    watch: {
        src: function src() {
            this.setVideoSrc();
        },
        width: function width() {
            this.frameWidth = this.width || defaultWidth;
        },
        height: function height() {
            this.frameHeight = this.height || defaultHeight;
        },
        adult: function adult() {
            this.updateAdultChanged();
        },
        nsfw: function nsfw() {
            this.updateAdultChanged();
        },
        sfw: function sfw() {
            this.updateAdultChanged();
        }
    },
    computed: {
        hasVideo: function hasVideo() {
            return !!this.videoSrc;
        },
        frameWidth: function frameWidth() {
            return this.width;
        },
        frameHeight: function frameHeight() {
            return this.height;
        }
    },
    methods: {
        updateAdultChanged: function updateAdultChanged() {
            this.showAdult = this.adult || this.nsfw || !this.sfw;
        },
        getVideoList: function getVideoList() {
            return !this.showAdult ? ['youtube', 'vimeo'] : ['youtube', 'vimeo', 'pornhub', 'xvideos', 'xhamster', 'tube8', 'porncom', 'eporner', 'youjizz', 'youporn', 'redtube'];
        },
        videoSourceToUrl: function videoSourceToUrl(videoType, videoSrc) {
            switch (videoType) {
                case 'youtube':
                    return 'https://www.youtube-nocookie.com/embed/' + videoSrc;
                case 'vimeo':
                    return 'https://player.vimeo.com/video/' + videoSrc + '?title=0&byline=0&portrait=0';
                case 'pornhub':
                    return 'https://www.pornhub.com/embed/' + videoSrc;
                case 'xvideos':
                    return 'https://www.xvideos.com/embedframe/' + videoSrc;
                case 'xhamster':
                    return 'https://xhamster.com/xembed.php?video=' + videoSrc;
                case 'tube8':
                    return 'https://www.tube8.com/embed/a/b/' + videoSrc + '/';
                case 'youjizz':
                    return 'https://www.youjizz.com/videos/embed/' + videoSrc + '/';
                case 'youporn':
                    return 'https://www.youporn.com/embed/' + videoSrc;
                case 'porncom':
                    return 'https://www.porn.com/videos/embed/' + videoSrc;
                case 'redtube':
                    return 'https://embed.redtube.com/?id=' + videoSrc;
                case 'eporner':
                    return 'https://www.eporner.com/embed/' + videoSrc;
                default:
                    return null;
            }
        },
        setVideoSrc: function setVideoSrc() {
            var _this = this;

            var sourceMatchesPattern = function sourceMatchesPattern(type) {
                return patterns[type].test(_this.src);
            };
            var videoTypeForSource = this.getVideoList().filter(sourceMatchesPattern);
            var foundSource = videoTypeForSource.length > 0;
            this.sourceType = foundSource ? videoTypeForSource[0] : '';
            this.videoClass = foundSource ? ['video-viewer__video', 'video-viewer--' + this.sourceType] : ['video-viewer__video video-viewer--none'];
            this.videoSrc = foundSource ? this.videoSourceToUrl(this.sourceType, patterns[this.sourceType].getVideoId(this.src)) : '';
        }
    }
};
})()
if (module.exports.__esModule) module.exports = module.exports.default
var __vue__options__ = (typeof module.exports === "function"? module.exports.options: module.exports)
if (__vue__options__.functional) {console.error("[vueify] functional components are not supported and should be defined in plain js files using render functions.")}
__vue__options__.render = function render () {var _vm=this;var _h=_vm.$createElement;var _c=_vm._self._c||_h;return _c('div',{staticClass:"video-viewer"},[(!_vm.hasVideo)?_c('div',{staticClass:"video-viewer__video  video-viewer--none"},[_c('img',{attrs:{"width":_vm.frameWidth,"height":_vm.frameHeight,"src":_vm.thumb,"alt":"video thumbnail"}})]):_vm._e(),_vm._v(" "),(_vm.sourceType)?_c('div',{class:_vm.videoClass},[_c('iframe',{attrs:{"width":_vm.frameWidth,"height":_vm.frameHeight,"src":_vm.videoSrc,"allow":"autoplay; encrypted-media","frameborder":"0","scrolling":"no","allowfullscreen":"","webkitallowfullscreen":"","mozallowfullscreen":""}})]):_vm._e()])}
__vue__options__.staticRenderFns = []
if (module.hot) {(function () {  var hotAPI = require("vue-hot-reload-api")
  hotAPI.install(require("vue"), true)
  if (!hotAPI.compatible) return
  module.hot.accept()
  module.hot.dispose(__vueify_style_dispose__)
  if (!module.hot.data) {
    hotAPI.createRecord("data-v-4316a03a", __vue__options__)
  } else {
    hotAPI.reload("data-v-4316a03a", __vue__options__)
  }
})()}
},{"../lib/regex":15,"vue":23,"vue-hot-reload-api":20,"vueify/lib/insert-css":25}],14:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = getUrlParameter;
exports.getUrlParameter = getUrlParameter;
function getUrlParameter(name, url) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, '\\$&');

    var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
        results = regex.exec(url);

    if (!results) return null;
    if (!results[2]) return '';

    return decodeURIComponent(results[2].replace(/\+/g, ' '));
}

},{}],15:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
var youtube = exports.youtube = /(?:https?:\/\/)?(?:(?:(?:www\.?)?youtube\.com(?:\/(?:(?:watch\?.*?(v=[^&\s]+).*)|(?:v(\/.*))))?)|(?:youtu\.be(\/.*)?))/i;
youtube.getVideoId = function getYoutubeVideoId(src) {
    var matches = youtube.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    if (videoId) videoId = videoId.replace(/^(v=|\/)/i, '');

    return videoId;
};

var pornhub = exports.pornhub = /^(?:https?:\/\/)?(?:\w+\.)?pornhub\.(?:\w+)(?:(?:\/embed\/|.*viewkey=)(\w+))?/i;
pornhub.getVideoId = function getPornhubVideoId(src) {
    var matches = pornhub.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var vimeo = exports.vimeo = /^(?:https?:\/\/)?(?:\w+\.)?vimeo\.(?:\w+)\/?(?:(?:channels\/\w+|video)\/)*(\w+)/i;
vimeo.getVideoId = function getVimeoVideoId(src) {
    var matches = vimeo.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var xvideos = exports.xvideos = /^(?:https?:\/\/)?(?:\w+\.)?xvideos\.\w+(?:\/(?:video|embedframe\/)(\w+))?/i;
xvideos.getVideoId = function getXvideosVideoId(src) {
    var matches = xvideos.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var xhamster = exports.xhamster = /^(?:https?:\/\/)?(?:\w+\.)?xhamster\.\w+(?:(?:.*video=(\w+))|(?:\/(?:\w+\/)*(?:\w+-)*(\w+)))?/i;
xhamster.getVideoId = function getXhamsterVideoId(src) {
    var matches = xhamster.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var tube8 = exports.tube8 = /^(?:https?:\/\/)?(?:\w+\.)?tube8\.\w+(?:.*?(\w+)\/?(?:[#?].*)?$)?/i;
tube8.getVideoId = function getTube8VideoId(src) {
    var matches = tube8.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var porncom = exports.porncom = /^(?:https?:\/\/)?(?:\w+\.)?porn\.\w+(?:.*?(\w+)\/?(?:[#?].*)?$)?/i;
porncom.getVideoId = function getPornComVideoId(src) {
    var matches = porncom.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var eporner = exports.eporner = /^(?:https?:\/\/)?(?:\w+\.)?eporner\.\w+(?:\/[\w-]+\/(\w+))?/i;
eporner.getVideoId = function getEpornerVideoId(src) {
    var matches = eporner.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var youjizz = exports.youjizz = /^(?:https?:\/\/)?(?:\w+\.)?youjizz\.\w+(?:.*?(\w+)(?:\.\w+)?(?:[#?].*)?$)?/i;
youjizz.getVideoId = function getYouJizzVideoId(src) {
    var matches = youjizz.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var youporn = exports.youporn = /^(?:https?:\/\/)?(?:\w+\.)?youporn\.\w+(?:\/\w+\/(\w+))?/i;
youporn.getVideoId = function getYouPornVideoId(src) {
    var matches = youporn.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

var redtube = exports.redtube = /^(?:https?:\/\/)?(?:\w+\.)?redtube\.\w+(?:(?:.*id=(\w+))|(?:.*?(\w+)\/?(?:#\d+|\?.*)?$))?/i;
redtube.getVideoId = function getredtubeVideoId(src) {
    var matches = redtube.exec(src);
    var videoId = matches.slice(1).find(function (m) {
        return !!m;
    });

    return videoId;
};

},{}],16:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = updateUrlParameter;
exports.updateUrlParameter = updateUrlParameter;
function updateUrlParameter(key, value, uri) {
    if (!uri) uri = window.location.href;

    // remove the hash part before operating on the uri
    var i = uri.indexOf('#');
    var hash = i === -1 ? '' : uri.substr(i);

    uri = i === -1 ? uri : uri.substr(0, i);

    var re = new RegExp('([?&])' + key + '=.*?(&|$)', 'i');
    var separator = uri.indexOf('?') !== -1 ? '&' : '?';

    if (uri.match(re)) {
        uri = uri.replace(re, '$1' + key + '=' + value + '$2');
    } else {
        uri = uri + separator + key + '=' + value;
    }

    return uri + hash; // finally append the hash as well
}

},{}],17:[function(require,module,exports){
'use strict';

var _vue = require('vue');

var _vue2 = _interopRequireDefault(_vue);

var _vueRouter = require('vue-router');

var _vueRouter2 = _interopRequireDefault(_vueRouter);

var _getUrlParameter = require('./lib/getUrlParameter');

var _getUrlParameter2 = _interopRequireDefault(_getUrlParameter);

require('./components');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

_vue2.default.use(_vueRouter2.default);

window.Vue = _vue2.default;

var app = window.__SearchApp = new _vue2.default({
    data: {
        page: 0
    },

    created: function created() {
        try {
            document.addEventListener('DOMContentLoaded', function () {
                startWindowPositionInterval();
            });

            var currentPage = parseInt((0, _getUrlParameter2.default)('page'));
            if (typeof currentPage === 'number' && !isNaN(currentPage) && currentPage > -1) this.page = currentPage;
        } catch (err) {
            console.log(err);
        }
    }
});

app.$mount('.search-app');

var incognitoParamsAttribute = 'data-sp-incognito-global-params';

function getIncognitoWindowParameters() {
    var paramsElement = document.querySelector('[' + incognitoParamsAttribute + ']');

    if (paramsElement) {
        var paramsJson = paramsElement.attributes[incognitoParamsAttribute].value;

        try {
            return JSON.parse(paramsJson);
        } catch (err) {}
    }

    return {};
}

function setIncognitoWindowParameters(params) {
    var paramsElement = document.querySelector('[' + incognitoParamsAttribute + ']');

    if (paramsElement) {
        paramsElement.setAttribute(incognitoParamsAttribute, JSON.stringify(params));
    }
}

function setWindowPosition() {
    if (!document.querySelector('[name=x-sp-enable][content=sp-incognito-global-params-override]')) return;

    var params = getIncognitoWindowParameters();
    params.left = window.screenX + 600;
    params.top = window.screenY;
    params.width = Math.max(window.outerWidth - 600, 600);
    params.height = window.outerHeight - 2;

    if (window.outerWidth < 620) {
        params.left = window.screenX;
        params.width = window.outerWidth;
    }
    setIncognitoWindowParameters(params);
}

function startWindowPositionInterval() {
    setWindowPosition();
    setInterval(function () {
        setWindowPosition();
    }, 1000);
}

window.__positionMeh = {
    setIncognitoWindowParameters: setIncognitoWindowParameters,
    getIncognitoWindowParameters: getIncognitoWindowParameters,
    setWindowPosition: setWindowPosition
};

},{"./components":4,"./lib/getUrlParameter":14,"vue":23,"vue-router":21}],18:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],19:[function(require,module,exports){
(function (setImmediate,clearImmediate){
var nextTick = require('process/browser.js').nextTick;
var apply = Function.prototype.apply;
var slice = Array.prototype.slice;
var immediateIds = {};
var nextImmediateId = 0;

// DOM APIs, for completeness

exports.setTimeout = function() {
  return new Timeout(apply.call(setTimeout, window, arguments), clearTimeout);
};
exports.setInterval = function() {
  return new Timeout(apply.call(setInterval, window, arguments), clearInterval);
};
exports.clearTimeout =
exports.clearInterval = function(timeout) { timeout.close(); };

function Timeout(id, clearFn) {
  this._id = id;
  this._clearFn = clearFn;
}
Timeout.prototype.unref = Timeout.prototype.ref = function() {};
Timeout.prototype.close = function() {
  this._clearFn.call(window, this._id);
};

// Does not start the time, just sets up the members needed.
exports.enroll = function(item, msecs) {
  clearTimeout(item._idleTimeoutId);
  item._idleTimeout = msecs;
};

exports.unenroll = function(item) {
  clearTimeout(item._idleTimeoutId);
  item._idleTimeout = -1;
};

exports._unrefActive = exports.active = function(item) {
  clearTimeout(item._idleTimeoutId);

  var msecs = item._idleTimeout;
  if (msecs >= 0) {
    item._idleTimeoutId = setTimeout(function onTimeout() {
      if (item._onTimeout)
        item._onTimeout();
    }, msecs);
  }
};

// That's not how node.js implements it but the exposed api is the same.
exports.setImmediate = typeof setImmediate === "function" ? setImmediate : function(fn) {
  var id = nextImmediateId++;
  var args = arguments.length < 2 ? false : slice.call(arguments, 1);

  immediateIds[id] = true;

  nextTick(function onNextTick() {
    if (immediateIds[id]) {
      // fn.call() is faster so we optimize for the common use-case
      // @see http://jsperf.com/call-apply-segu
      if (args) {
        fn.apply(null, args);
      } else {
        fn.call(null);
      }
      // Prevent ids from leaking
      exports.clearImmediate(id);
    }
  });

  return id;
};

exports.clearImmediate = typeof clearImmediate === "function" ? clearImmediate : function(id) {
  delete immediateIds[id];
};
}).call(this,require("timers").setImmediate,require("timers").clearImmediate)
},{"process/browser.js":18,"timers":19}],20:[function(require,module,exports){
var Vue // late bind
var version
var map = Object.create(null)
if (typeof window !== 'undefined') {
  window.__VUE_HOT_MAP__ = map
}
var installed = false
var isBrowserify = false
var initHookName = 'beforeCreate'

exports.install = function (vue, browserify) {
  if (installed) { return }
  installed = true

  Vue = vue.__esModule ? vue.default : vue
  version = Vue.version.split('.').map(Number)
  isBrowserify = browserify

  // compat with < 2.0.0-alpha.7
  if (Vue.config._lifecycleHooks.indexOf('init') > -1) {
    initHookName = 'init'
  }

  exports.compatible = version[0] >= 2
  if (!exports.compatible) {
    console.warn(
      '[HMR] You are using a version of vue-hot-reload-api that is ' +
        'only compatible with Vue.js core ^2.0.0.'
    )
    return
  }
}

/**
 * Create a record for a hot module, which keeps track of its constructor
 * and instances
 *
 * @param {String} id
 * @param {Object} options
 */

exports.createRecord = function (id, options) {
  if(map[id]) { return }

  var Ctor = null
  if (typeof options === 'function') {
    Ctor = options
    options = Ctor.options
  }
  makeOptionsHot(id, options)
  map[id] = {
    Ctor: Ctor,
    options: options,
    instances: []
  }
}

/**
 * Check if module is recorded
 *
 * @param {String} id
 */

exports.isRecorded = function (id) {
  return typeof map[id] !== 'undefined'
}

/**
 * Make a Component options object hot.
 *
 * @param {String} id
 * @param {Object} options
 */

function makeOptionsHot(id, options) {
  if (options.functional) {
    var render = options.render
    options.render = function (h, ctx) {
      var instances = map[id].instances
      if (ctx && instances.indexOf(ctx.parent) < 0) {
        instances.push(ctx.parent)
      }
      return render(h, ctx)
    }
  } else {
    injectHook(options, initHookName, function() {
      var record = map[id]
      if (!record.Ctor) {
        record.Ctor = this.constructor
      }
      record.instances.push(this)
    })
    injectHook(options, 'beforeDestroy', function() {
      var instances = map[id].instances
      instances.splice(instances.indexOf(this), 1)
    })
  }
}

/**
 * Inject a hook to a hot reloadable component so that
 * we can keep track of it.
 *
 * @param {Object} options
 * @param {String} name
 * @param {Function} hook
 */

function injectHook(options, name, hook) {
  var existing = options[name]
  options[name] = existing
    ? Array.isArray(existing) ? existing.concat(hook) : [existing, hook]
    : [hook]
}

function tryWrap(fn) {
  return function (id, arg) {
    try {
      fn(id, arg)
    } catch (e) {
      console.error(e)
      console.warn(
        'Something went wrong during Vue component hot-reload. Full reload required.'
      )
    }
  }
}

function updateOptions (oldOptions, newOptions) {
  for (var key in oldOptions) {
    if (!(key in newOptions)) {
      delete oldOptions[key]
    }
  }
  for (var key$1 in newOptions) {
    oldOptions[key$1] = newOptions[key$1]
  }
}

exports.rerender = tryWrap(function (id, options) {
  var record = map[id]
  if (!options) {
    record.instances.slice().forEach(function (instance) {
      instance.$forceUpdate()
    })
    return
  }
  if (typeof options === 'function') {
    options = options.options
  }
  if (record.Ctor) {
    record.Ctor.options.render = options.render
    record.Ctor.options.staticRenderFns = options.staticRenderFns
    record.instances.slice().forEach(function (instance) {
      instance.$options.render = options.render
      instance.$options.staticRenderFns = options.staticRenderFns
      // reset static trees
      // pre 2.5, all static trees are cached together on the instance
      if (instance._staticTrees) {
        instance._staticTrees = []
      }
      // 2.5.0
      if (Array.isArray(record.Ctor.options.cached)) {
        record.Ctor.options.cached = []
      }
      // 2.5.3
      if (Array.isArray(instance.$options.cached)) {
        instance.$options.cached = []
      }

      // post 2.5.4: v-once trees are cached on instance._staticTrees.
      // Pure static trees are cached on the staticRenderFns array
      // (both already reset above)

      // 2.6: temporarily mark rendered scoped slots as unstable so that
      // child components can be forced to update
      var restore = patchScopedSlots(instance)
      instance.$forceUpdate()
      instance.$nextTick(restore)
    })
  } else {
    // functional or no instance created yet
    record.options.render = options.render
    record.options.staticRenderFns = options.staticRenderFns

    // handle functional component re-render
    if (record.options.functional) {
      // rerender with full options
      if (Object.keys(options).length > 2) {
        updateOptions(record.options, options)
      } else {
        // template-only rerender.
        // need to inject the style injection code for CSS modules
        // to work properly.
        var injectStyles = record.options._injectStyles
        if (injectStyles) {
          var render = options.render
          record.options.render = function (h, ctx) {
            injectStyles.call(ctx)
            return render(h, ctx)
          }
        }
      }
      record.options._Ctor = null
      // 2.5.3
      if (Array.isArray(record.options.cached)) {
        record.options.cached = []
      }
      record.instances.slice().forEach(function (instance) {
        instance.$forceUpdate()
      })
    }
  }
})

exports.reload = tryWrap(function (id, options) {
  var record = map[id]
  if (options) {
    if (typeof options === 'function') {
      options = options.options
    }
    makeOptionsHot(id, options)
    if (record.Ctor) {
      if (version[1] < 2) {
        // preserve pre 2.2 behavior for global mixin handling
        record.Ctor.extendOptions = options
      }
      var newCtor = record.Ctor.super.extend(options)
      record.Ctor.options = newCtor.options
      record.Ctor.cid = newCtor.cid
      record.Ctor.prototype = newCtor.prototype
      if (newCtor.release) {
        // temporary global mixin strategy used in < 2.0.0-alpha.6
        newCtor.release()
      }
    } else {
      updateOptions(record.options, options)
    }
  }
  record.instances.slice().forEach(function (instance) {
    if (instance.$vnode && instance.$vnode.context) {
      instance.$vnode.context.$forceUpdate()
    } else {
      console.warn(
        'Root or manually mounted instance modified. Full reload required.'
      )
    }
  })
})

// 2.6 optimizes template-compiled scoped slots and skips updates if child
// only uses scoped slots. We need to patch the scoped slots resolving helper
// to temporarily mark all scoped slots as unstable in order to force child
// updates.
function patchScopedSlots (instance) {
  if (!instance._u) { return }
  // https://github.com/vuejs/vue/blob/dev/src/core/instance/render-helpers/resolve-scoped-slots.js
  var original = instance._u
  instance._u = function (slots) {
    try {
      // 2.6.4 ~ 2.6.6
      return original(slots, true)
    } catch (e) {
      // 2.5 / >= 2.6.7
      return original(slots, null, true)
    }
  }
  return function () {
    instance._u = original
  }
}

},{}],21:[function(require,module,exports){
/*!
  * vue-router v3.1.3
  * (c) 2019 Evan You
  * @license MIT
  */
'use strict';

/*  */

function assert (condition, message) {
  if (!condition) {
    throw new Error(("[vue-router] " + message))
  }
}

function warn (condition, message) {
  if ("production" !== 'production' && !condition) {
    typeof console !== 'undefined' && console.warn(("[vue-router] " + message));
  }
}

function isError (err) {
  return Object.prototype.toString.call(err).indexOf('Error') > -1
}

function isExtendedError (constructor, err) {
  return (
    err instanceof constructor ||
    // _name is to support IE9 too
    (err && (err.name === constructor.name || err._name === constructor._name))
  )
}

function extend (a, b) {
  for (var key in b) {
    a[key] = b[key];
  }
  return a
}

var View = {
  name: 'RouterView',
  functional: true,
  props: {
    name: {
      type: String,
      default: 'default'
    }
  },
  render: function render (_, ref) {
    var props = ref.props;
    var children = ref.children;
    var parent = ref.parent;
    var data = ref.data;

    // used by devtools to display a router-view badge
    data.routerView = true;

    // directly use parent context's createElement() function
    // so that components rendered by router-view can resolve named slots
    var h = parent.$createElement;
    var name = props.name;
    var route = parent.$route;
    var cache = parent._routerViewCache || (parent._routerViewCache = {});

    // determine current view depth, also check to see if the tree
    // has been toggled inactive but kept-alive.
    var depth = 0;
    var inactive = false;
    while (parent && parent._routerRoot !== parent) {
      var vnodeData = parent.$vnode && parent.$vnode.data;
      if (vnodeData) {
        if (vnodeData.routerView) {
          depth++;
        }
        if (vnodeData.keepAlive && parent._inactive) {
          inactive = true;
        }
      }
      parent = parent.$parent;
    }
    data.routerViewDepth = depth;

    // render previous view if the tree is inactive and kept-alive
    if (inactive) {
      return h(cache[name], data, children)
    }

    var matched = route.matched[depth];
    // render empty node if no matched route
    if (!matched) {
      cache[name] = null;
      return h()
    }

    var component = cache[name] = matched.components[name];

    // attach instance registration hook
    // this will be called in the instance's injected lifecycle hooks
    data.registerRouteInstance = function (vm, val) {
      // val could be undefined for unregistration
      var current = matched.instances[name];
      if (
        (val && current !== vm) ||
        (!val && current === vm)
      ) {
        matched.instances[name] = val;
      }
    }

    // also register instance in prepatch hook
    // in case the same component instance is reused across different routes
    ;(data.hook || (data.hook = {})).prepatch = function (_, vnode) {
      matched.instances[name] = vnode.componentInstance;
    };

    // register instance in init hook
    // in case kept-alive component be actived when routes changed
    data.hook.init = function (vnode) {
      if (vnode.data.keepAlive &&
        vnode.componentInstance &&
        vnode.componentInstance !== matched.instances[name]
      ) {
        matched.instances[name] = vnode.componentInstance;
      }
    };

    // resolve props
    var propsToPass = data.props = resolveProps(route, matched.props && matched.props[name]);
    if (propsToPass) {
      // clone to prevent mutation
      propsToPass = data.props = extend({}, propsToPass);
      // pass non-declared props as attrs
      var attrs = data.attrs = data.attrs || {};
      for (var key in propsToPass) {
        if (!component.props || !(key in component.props)) {
          attrs[key] = propsToPass[key];
          delete propsToPass[key];
        }
      }
    }

    return h(component, data, children)
  }
};

function resolveProps (route, config) {
  switch (typeof config) {
    case 'undefined':
      return
    case 'object':
      return config
    case 'function':
      return config(route)
    case 'boolean':
      return config ? route.params : undefined
    default:
      if ("production" !== 'production') {
        warn(
          false,
          "props in \"" + (route.path) + "\" is a " + (typeof config) + ", " +
          "expecting an object, function or boolean."
        );
      }
  }
}

/*  */

var encodeReserveRE = /[!'()*]/g;
var encodeReserveReplacer = function (c) { return '%' + c.charCodeAt(0).toString(16); };
var commaRE = /%2C/g;

// fixed encodeURIComponent which is more conformant to RFC3986:
// - escapes [!'()*]
// - preserve commas
var encode = function (str) { return encodeURIComponent(str)
  .replace(encodeReserveRE, encodeReserveReplacer)
  .replace(commaRE, ','); };

var decode = decodeURIComponent;

function resolveQuery (
  query,
  extraQuery,
  _parseQuery
) {
  if ( extraQuery === void 0 ) extraQuery = {};

  var parse = _parseQuery || parseQuery;
  var parsedQuery;
  try {
    parsedQuery = parse(query || '');
  } catch (e) {
    "production" !== 'production' && warn(false, e.message);
    parsedQuery = {};
  }
  for (var key in extraQuery) {
    parsedQuery[key] = extraQuery[key];
  }
  return parsedQuery
}

function parseQuery (query) {
  var res = {};

  query = query.trim().replace(/^(\?|#|&)/, '');

  if (!query) {
    return res
  }

  query.split('&').forEach(function (param) {
    var parts = param.replace(/\+/g, ' ').split('=');
    var key = decode(parts.shift());
    var val = parts.length > 0
      ? decode(parts.join('='))
      : null;

    if (res[key] === undefined) {
      res[key] = val;
    } else if (Array.isArray(res[key])) {
      res[key].push(val);
    } else {
      res[key] = [res[key], val];
    }
  });

  return res
}

function stringifyQuery (obj) {
  var res = obj ? Object.keys(obj).map(function (key) {
    var val = obj[key];

    if (val === undefined) {
      return ''
    }

    if (val === null) {
      return encode(key)
    }

    if (Array.isArray(val)) {
      var result = [];
      val.forEach(function (val2) {
        if (val2 === undefined) {
          return
        }
        if (val2 === null) {
          result.push(encode(key));
        } else {
          result.push(encode(key) + '=' + encode(val2));
        }
      });
      return result.join('&')
    }

    return encode(key) + '=' + encode(val)
  }).filter(function (x) { return x.length > 0; }).join('&') : null;
  return res ? ("?" + res) : ''
}

/*  */

var trailingSlashRE = /\/?$/;

function createRoute (
  record,
  location,
  redirectedFrom,
  router
) {
  var stringifyQuery = router && router.options.stringifyQuery;

  var query = location.query || {};
  try {
    query = clone(query);
  } catch (e) {}

  var route = {
    name: location.name || (record && record.name),
    meta: (record && record.meta) || {},
    path: location.path || '/',
    hash: location.hash || '',
    query: query,
    params: location.params || {},
    fullPath: getFullPath(location, stringifyQuery),
    matched: record ? formatMatch(record) : []
  };
  if (redirectedFrom) {
    route.redirectedFrom = getFullPath(redirectedFrom, stringifyQuery);
  }
  return Object.freeze(route)
}

function clone (value) {
  if (Array.isArray(value)) {
    return value.map(clone)
  } else if (value && typeof value === 'object') {
    var res = {};
    for (var key in value) {
      res[key] = clone(value[key]);
    }
    return res
  } else {
    return value
  }
}

// the starting route that represents the initial state
var START = createRoute(null, {
  path: '/'
});

function formatMatch (record) {
  var res = [];
  while (record) {
    res.unshift(record);
    record = record.parent;
  }
  return res
}

function getFullPath (
  ref,
  _stringifyQuery
) {
  var path = ref.path;
  var query = ref.query; if ( query === void 0 ) query = {};
  var hash = ref.hash; if ( hash === void 0 ) hash = '';

  var stringify = _stringifyQuery || stringifyQuery;
  return (path || '/') + stringify(query) + hash
}

function isSameRoute (a, b) {
  if (b === START) {
    return a === b
  } else if (!b) {
    return false
  } else if (a.path && b.path) {
    return (
      a.path.replace(trailingSlashRE, '') === b.path.replace(trailingSlashRE, '') &&
      a.hash === b.hash &&
      isObjectEqual(a.query, b.query)
    )
  } else if (a.name && b.name) {
    return (
      a.name === b.name &&
      a.hash === b.hash &&
      isObjectEqual(a.query, b.query) &&
      isObjectEqual(a.params, b.params)
    )
  } else {
    return false
  }
}

function isObjectEqual (a, b) {
  if ( a === void 0 ) a = {};
  if ( b === void 0 ) b = {};

  // handle null value #1566
  if (!a || !b) { return a === b }
  var aKeys = Object.keys(a);
  var bKeys = Object.keys(b);
  if (aKeys.length !== bKeys.length) {
    return false
  }
  return aKeys.every(function (key) {
    var aVal = a[key];
    var bVal = b[key];
    // check nested equality
    if (typeof aVal === 'object' && typeof bVal === 'object') {
      return isObjectEqual(aVal, bVal)
    }
    return String(aVal) === String(bVal)
  })
}

function isIncludedRoute (current, target) {
  return (
    current.path.replace(trailingSlashRE, '/').indexOf(
      target.path.replace(trailingSlashRE, '/')
    ) === 0 &&
    (!target.hash || current.hash === target.hash) &&
    queryIncludes(current.query, target.query)
  )
}

function queryIncludes (current, target) {
  for (var key in target) {
    if (!(key in current)) {
      return false
    }
  }
  return true
}

/*  */

function resolvePath (
  relative,
  base,
  append
) {
  var firstChar = relative.charAt(0);
  if (firstChar === '/') {
    return relative
  }

  if (firstChar === '?' || firstChar === '#') {
    return base + relative
  }

  var stack = base.split('/');

  // remove trailing segment if:
  // - not appending
  // - appending to trailing slash (last segment is empty)
  if (!append || !stack[stack.length - 1]) {
    stack.pop();
  }

  // resolve relative path
  var segments = relative.replace(/^\//, '').split('/');
  for (var i = 0; i < segments.length; i++) {
    var segment = segments[i];
    if (segment === '..') {
      stack.pop();
    } else if (segment !== '.') {
      stack.push(segment);
    }
  }

  // ensure leading slash
  if (stack[0] !== '') {
    stack.unshift('');
  }

  return stack.join('/')
}

function parsePath (path) {
  var hash = '';
  var query = '';

  var hashIndex = path.indexOf('#');
  if (hashIndex >= 0) {
    hash = path.slice(hashIndex);
    path = path.slice(0, hashIndex);
  }

  var queryIndex = path.indexOf('?');
  if (queryIndex >= 0) {
    query = path.slice(queryIndex + 1);
    path = path.slice(0, queryIndex);
  }

  return {
    path: path,
    query: query,
    hash: hash
  }
}

function cleanPath (path) {
  return path.replace(/\/\//g, '/')
}

var isarray = Array.isArray || function (arr) {
  return Object.prototype.toString.call(arr) == '[object Array]';
};

/**
 * Expose `pathToRegexp`.
 */
var pathToRegexp_1 = pathToRegexp;
var parse_1 = parse;
var compile_1 = compile;
var tokensToFunction_1 = tokensToFunction;
var tokensToRegExp_1 = tokensToRegExp;

/**
 * The main path matching regexp utility.
 *
 * @type {RegExp}
 */
var PATH_REGEXP = new RegExp([
  // Match escaped characters that would otherwise appear in future matches.
  // This allows the user to escape special characters that won't transform.
  '(\\\\.)',
  // Match Express-style parameters and un-named parameters with a prefix
  // and optional suffixes. Matches appear as:
  //
  // "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined]
  // "/route(\\d+)"  => [undefined, undefined, undefined, "\d+", undefined, undefined]
  // "/*"            => ["/", undefined, undefined, undefined, undefined, "*"]
  '([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^\\\\()])+)\\))?|\\(((?:\\\\.|[^\\\\()])+)\\))([+*?])?|(\\*))'
].join('|'), 'g');

/**
 * Parse a string for the raw tokens.
 *
 * @param  {string}  str
 * @param  {Object=} options
 * @return {!Array}
 */
function parse (str, options) {
  var tokens = [];
  var key = 0;
  var index = 0;
  var path = '';
  var defaultDelimiter = options && options.delimiter || '/';
  var res;

  while ((res = PATH_REGEXP.exec(str)) != null) {
    var m = res[0];
    var escaped = res[1];
    var offset = res.index;
    path += str.slice(index, offset);
    index = offset + m.length;

    // Ignore already escaped sequences.
    if (escaped) {
      path += escaped[1];
      continue
    }

    var next = str[index];
    var prefix = res[2];
    var name = res[3];
    var capture = res[4];
    var group = res[5];
    var modifier = res[6];
    var asterisk = res[7];

    // Push the current path onto the tokens.
    if (path) {
      tokens.push(path);
      path = '';
    }

    var partial = prefix != null && next != null && next !== prefix;
    var repeat = modifier === '+' || modifier === '*';
    var optional = modifier === '?' || modifier === '*';
    var delimiter = res[2] || defaultDelimiter;
    var pattern = capture || group;

    tokens.push({
      name: name || key++,
      prefix: prefix || '',
      delimiter: delimiter,
      optional: optional,
      repeat: repeat,
      partial: partial,
      asterisk: !!asterisk,
      pattern: pattern ? escapeGroup(pattern) : (asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?')
    });
  }

  // Match any characters still remaining.
  if (index < str.length) {
    path += str.substr(index);
  }

  // If the path exists, push it onto the end.
  if (path) {
    tokens.push(path);
  }

  return tokens
}

/**
 * Compile a string to a template function for the path.
 *
 * @param  {string}             str
 * @param  {Object=}            options
 * @return {!function(Object=, Object=)}
 */
function compile (str, options) {
  return tokensToFunction(parse(str, options))
}

/**
 * Prettier encoding of URI path segments.
 *
 * @param  {string}
 * @return {string}
 */
function encodeURIComponentPretty (str) {
  return encodeURI(str).replace(/[\/?#]/g, function (c) {
    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
  })
}

/**
 * Encode the asterisk parameter. Similar to `pretty`, but allows slashes.
 *
 * @param  {string}
 * @return {string}
 */
function encodeAsterisk (str) {
  return encodeURI(str).replace(/[?#]/g, function (c) {
    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
  })
}

/**
 * Expose a method for transforming tokens into the path function.
 */
function tokensToFunction (tokens) {
  // Compile all the tokens into regexps.
  var matches = new Array(tokens.length);

  // Compile all the patterns before compilation.
  for (var i = 0; i < tokens.length; i++) {
    if (typeof tokens[i] === 'object') {
      matches[i] = new RegExp('^(?:' + tokens[i].pattern + ')$');
    }
  }

  return function (obj, opts) {
    var path = '';
    var data = obj || {};
    var options = opts || {};
    var encode = options.pretty ? encodeURIComponentPretty : encodeURIComponent;

    for (var i = 0; i < tokens.length; i++) {
      var token = tokens[i];

      if (typeof token === 'string') {
        path += token;

        continue
      }

      var value = data[token.name];
      var segment;

      if (value == null) {
        if (token.optional) {
          // Prepend partial segment prefixes.
          if (token.partial) {
            path += token.prefix;
          }

          continue
        } else {
          throw new TypeError('Expected "' + token.name + '" to be defined')
        }
      }

      if (isarray(value)) {
        if (!token.repeat) {
          throw new TypeError('Expected "' + token.name + '" to not repeat, but received `' + JSON.stringify(value) + '`')
        }

        if (value.length === 0) {
          if (token.optional) {
            continue
          } else {
            throw new TypeError('Expected "' + token.name + '" to not be empty')
          }
        }

        for (var j = 0; j < value.length; j++) {
          segment = encode(value[j]);

          if (!matches[i].test(segment)) {
            throw new TypeError('Expected all "' + token.name + '" to match "' + token.pattern + '", but received `' + JSON.stringify(segment) + '`')
          }

          path += (j === 0 ? token.prefix : token.delimiter) + segment;
        }

        continue
      }

      segment = token.asterisk ? encodeAsterisk(value) : encode(value);

      if (!matches[i].test(segment)) {
        throw new TypeError('Expected "' + token.name + '" to match "' + token.pattern + '", but received "' + segment + '"')
      }

      path += token.prefix + segment;
    }

    return path
  }
}

/**
 * Escape a regular expression string.
 *
 * @param  {string} str
 * @return {string}
 */
function escapeString (str) {
  return str.replace(/([.+*?=^!:${}()[\]|\/\\])/g, '\\$1')
}

/**
 * Escape the capturing group by escaping special characters and meaning.
 *
 * @param  {string} group
 * @return {string}
 */
function escapeGroup (group) {
  return group.replace(/([=!:$\/()])/g, '\\$1')
}

/**
 * Attach the keys as a property of the regexp.
 *
 * @param  {!RegExp} re
 * @param  {Array}   keys
 * @return {!RegExp}
 */
function attachKeys (re, keys) {
  re.keys = keys;
  return re
}

/**
 * Get the flags for a regexp from the options.
 *
 * @param  {Object} options
 * @return {string}
 */
function flags (options) {
  return options.sensitive ? '' : 'i'
}

/**
 * Pull out keys from a regexp.
 *
 * @param  {!RegExp} path
 * @param  {!Array}  keys
 * @return {!RegExp}
 */
function regexpToRegexp (path, keys) {
  // Use a negative lookahead to match only capturing groups.
  var groups = path.source.match(/\((?!\?)/g);

  if (groups) {
    for (var i = 0; i < groups.length; i++) {
      keys.push({
        name: i,
        prefix: null,
        delimiter: null,
        optional: false,
        repeat: false,
        partial: false,
        asterisk: false,
        pattern: null
      });
    }
  }

  return attachKeys(path, keys)
}

/**
 * Transform an array into a regexp.
 *
 * @param  {!Array}  path
 * @param  {Array}   keys
 * @param  {!Object} options
 * @return {!RegExp}
 */
function arrayToRegexp (path, keys, options) {
  var parts = [];

  for (var i = 0; i < path.length; i++) {
    parts.push(pathToRegexp(path[i], keys, options).source);
  }

  var regexp = new RegExp('(?:' + parts.join('|') + ')', flags(options));

  return attachKeys(regexp, keys)
}

/**
 * Create a path regexp from string input.
 *
 * @param  {string}  path
 * @param  {!Array}  keys
 * @param  {!Object} options
 * @return {!RegExp}
 */
function stringToRegexp (path, keys, options) {
  return tokensToRegExp(parse(path, options), keys, options)
}

/**
 * Expose a function for taking tokens and returning a RegExp.
 *
 * @param  {!Array}          tokens
 * @param  {(Array|Object)=} keys
 * @param  {Object=}         options
 * @return {!RegExp}
 */
function tokensToRegExp (tokens, keys, options) {
  if (!isarray(keys)) {
    options = /** @type {!Object} */ (keys || options);
    keys = [];
  }

  options = options || {};

  var strict = options.strict;
  var end = options.end !== false;
  var route = '';

  // Iterate over the tokens and create our regexp string.
  for (var i = 0; i < tokens.length; i++) {
    var token = tokens[i];

    if (typeof token === 'string') {
      route += escapeString(token);
    } else {
      var prefix = escapeString(token.prefix);
      var capture = '(?:' + token.pattern + ')';

      keys.push(token);

      if (token.repeat) {
        capture += '(?:' + prefix + capture + ')*';
      }

      if (token.optional) {
        if (!token.partial) {
          capture = '(?:' + prefix + '(' + capture + '))?';
        } else {
          capture = prefix + '(' + capture + ')?';
        }
      } else {
        capture = prefix + '(' + capture + ')';
      }

      route += capture;
    }
  }

  var delimiter = escapeString(options.delimiter || '/');
  var endsWithDelimiter = route.slice(-delimiter.length) === delimiter;

  // In non-strict mode we allow a slash at the end of match. If the path to
  // match already ends with a slash, we remove it for consistency. The slash
  // is valid at the end of a path match, not in the middle. This is important
  // in non-ending mode, where "/test/" shouldn't match "/test//route".
  if (!strict) {
    route = (endsWithDelimiter ? route.slice(0, -delimiter.length) : route) + '(?:' + delimiter + '(?=$))?';
  }

  if (end) {
    route += '$';
  } else {
    // In non-ending mode, we need the capturing groups to match as much as
    // possible by using a positive lookahead to the end or next path segment.
    route += strict && endsWithDelimiter ? '' : '(?=' + delimiter + '|$)';
  }

  return attachKeys(new RegExp('^' + route, flags(options)), keys)
}

/**
 * Normalize the given path string, returning a regular expression.
 *
 * An empty array can be passed in for the keys, which will hold the
 * placeholder key descriptions. For example, using `/user/:id`, `keys` will
 * contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`.
 *
 * @param  {(string|RegExp|Array)} path
 * @param  {(Array|Object)=}       keys
 * @param  {Object=}               options
 * @return {!RegExp}
 */
function pathToRegexp (path, keys, options) {
  if (!isarray(keys)) {
    options = /** @type {!Object} */ (keys || options);
    keys = [];
  }

  options = options || {};

  if (path instanceof RegExp) {
    return regexpToRegexp(path, /** @type {!Array} */ (keys))
  }

  if (isarray(path)) {
    return arrayToRegexp(/** @type {!Array} */ (path), /** @type {!Array} */ (keys), options)
  }

  return stringToRegexp(/** @type {string} */ (path), /** @type {!Array} */ (keys), options)
}
pathToRegexp_1.parse = parse_1;
pathToRegexp_1.compile = compile_1;
pathToRegexp_1.tokensToFunction = tokensToFunction_1;
pathToRegexp_1.tokensToRegExp = tokensToRegExp_1;

/*  */

// $flow-disable-line
var regexpCompileCache = Object.create(null);

function fillParams (
  path,
  params,
  routeMsg
) {
  params = params || {};
  try {
    var filler =
      regexpCompileCache[path] ||
      (regexpCompileCache[path] = pathToRegexp_1.compile(path));

    // Fix #2505 resolving asterisk routes { name: 'not-found', params: { pathMatch: '/not-found' }}
    if (params.pathMatch) { params[0] = params.pathMatch; }

    return filler(params, { pretty: true })
  } catch (e) {
    if ("production" !== 'production') {
      warn(false, ("missing param for " + routeMsg + ": " + (e.message)));
    }
    return ''
  } finally {
    // delete the 0 if it was added
    delete params[0];
  }
}

/*  */

function normalizeLocation (
  raw,
  current,
  append,
  router
) {
  var next = typeof raw === 'string' ? { path: raw } : raw;
  // named target
  if (next._normalized) {
    return next
  } else if (next.name) {
    return extend({}, raw)
  }

  // relative params
  if (!next.path && next.params && current) {
    next = extend({}, next);
    next._normalized = true;
    var params = extend(extend({}, current.params), next.params);
    if (current.name) {
      next.name = current.name;
      next.params = params;
    } else if (current.matched.length) {
      var rawPath = current.matched[current.matched.length - 1].path;
      next.path = fillParams(rawPath, params, ("path " + (current.path)));
    } else if ("production" !== 'production') {
      warn(false, "relative params navigation requires a current route.");
    }
    return next
  }

  var parsedPath = parsePath(next.path || '');
  var basePath = (current && current.path) || '/';
  var path = parsedPath.path
    ? resolvePath(parsedPath.path, basePath, append || next.append)
    : basePath;

  var query = resolveQuery(
    parsedPath.query,
    next.query,
    router && router.options.parseQuery
  );

  var hash = next.hash || parsedPath.hash;
  if (hash && hash.charAt(0) !== '#') {
    hash = "#" + hash;
  }

  return {
    _normalized: true,
    path: path,
    query: query,
    hash: hash
  }
}

/*  */

// work around weird flow bug
var toTypes = [String, Object];
var eventTypes = [String, Array];

var noop = function () {};

var Link = {
  name: 'RouterLink',
  props: {
    to: {
      type: toTypes,
      required: true
    },
    tag: {
      type: String,
      default: 'a'
    },
    exact: Boolean,
    append: Boolean,
    replace: Boolean,
    activeClass: String,
    exactActiveClass: String,
    event: {
      type: eventTypes,
      default: 'click'
    }
  },
  render: function render (h) {
    var this$1 = this;

    var router = this.$router;
    var current = this.$route;
    var ref = router.resolve(
      this.to,
      current,
      this.append
    );
    var location = ref.location;
    var route = ref.route;
    var href = ref.href;

    var classes = {};
    var globalActiveClass = router.options.linkActiveClass;
    var globalExactActiveClass = router.options.linkExactActiveClass;
    // Support global empty active class
    var activeClassFallback =
      globalActiveClass == null ? 'router-link-active' : globalActiveClass;
    var exactActiveClassFallback =
      globalExactActiveClass == null
        ? 'router-link-exact-active'
        : globalExactActiveClass;
    var activeClass =
      this.activeClass == null ? activeClassFallback : this.activeClass;
    var exactActiveClass =
      this.exactActiveClass == null
        ? exactActiveClassFallback
        : this.exactActiveClass;

    var compareTarget = route.redirectedFrom
      ? createRoute(null, normalizeLocation(route.redirectedFrom), null, router)
      : route;

    classes[exactActiveClass] = isSameRoute(current, compareTarget);
    classes[activeClass] = this.exact
      ? classes[exactActiveClass]
      : isIncludedRoute(current, compareTarget);

    var handler = function (e) {
      if (guardEvent(e)) {
        if (this$1.replace) {
          router.replace(location, noop);
        } else {
          router.push(location, noop);
        }
      }
    };

    var on = { click: guardEvent };
    if (Array.isArray(this.event)) {
      this.event.forEach(function (e) {
        on[e] = handler;
      });
    } else {
      on[this.event] = handler;
    }

    var data = { class: classes };

    var scopedSlot =
      !this.$scopedSlots.$hasNormal &&
      this.$scopedSlots.default &&
      this.$scopedSlots.default({
        href: href,
        route: route,
        navigate: handler,
        isActive: classes[activeClass],
        isExactActive: classes[exactActiveClass]
      });

    if (scopedSlot) {
      if (scopedSlot.length === 1) {
        return scopedSlot[0]
      } else if (scopedSlot.length > 1 || !scopedSlot.length) {
        if ("production" !== 'production') {
          warn(
            false,
            ("RouterLink with to=\"" + (this.props.to) + "\" is trying to use a scoped slot but it didn't provide exactly one child.")
          );
        }
        return scopedSlot.length === 0 ? h() : h('span', {}, scopedSlot)
      }
    }

    if (this.tag === 'a') {
      data.on = on;
      data.attrs = { href: href };
    } else {
      // find the first <a> child and apply listener and href
      var a = findAnchor(this.$slots.default);
      if (a) {
        // in case the <a> is a static node
        a.isStatic = false;
        var aData = (a.data = extend({}, a.data));
        aData.on = aData.on || {};
        // transform existing events in both objects into arrays so we can push later
        for (var event in aData.on) {
          var handler$1 = aData.on[event];
          if (event in on) {
            aData.on[event] = Array.isArray(handler$1) ? handler$1 : [handler$1];
          }
        }
        // append new listeners for router-link
        for (var event$1 in on) {
          if (event$1 in aData.on) {
            // on[event] is always a function
            aData.on[event$1].push(on[event$1]);
          } else {
            aData.on[event$1] = handler;
          }
        }

        var aAttrs = (a.data.attrs = extend({}, a.data.attrs));
        aAttrs.href = href;
      } else {
        // doesn't have <a> child, apply listener to self
        data.on = on;
      }
    }

    return h(this.tag, data, this.$slots.default)
  }
};

function guardEvent (e) {
  // don't redirect with control keys
  if (e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) { return }
  // don't redirect when preventDefault called
  if (e.defaultPrevented) { return }
  // don't redirect on right click
  if (e.button !== undefined && e.button !== 0) { return }
  // don't redirect if `target="_blank"`
  if (e.currentTarget && e.currentTarget.getAttribute) {
    var target = e.currentTarget.getAttribute('target');
    if (/\b_blank\b/i.test(target)) { return }
  }
  // this may be a Weex event which doesn't have this method
  if (e.preventDefault) {
    e.preventDefault();
  }
  return true
}

function findAnchor (children) {
  if (children) {
    var child;
    for (var i = 0; i < children.length; i++) {
      child = children[i];
      if (child.tag === 'a') {
        return child
      }
      if (child.children && (child = findAnchor(child.children))) {
        return child
      }
    }
  }
}

var _Vue;

function install (Vue) {
  if (install.installed && _Vue === Vue) { return }
  install.installed = true;

  _Vue = Vue;

  var isDef = function (v) { return v !== undefined; };

  var registerInstance = function (vm, callVal) {
    var i = vm.$options._parentVnode;
    if (isDef(i) && isDef(i = i.data) && isDef(i = i.registerRouteInstance)) {
      i(vm, callVal);
    }
  };

  Vue.mixin({
    beforeCreate: function beforeCreate () {
      if (isDef(this.$options.router)) {
        this._routerRoot = this;
        this._router = this.$options.router;
        this._router.init(this);
        Vue.util.defineReactive(this, '_route', this._router.history.current);
      } else {
        this._routerRoot = (this.$parent && this.$parent._routerRoot) || this;
      }
      registerInstance(this, this);
    },
    destroyed: function destroyed () {
      registerInstance(this);
    }
  });

  Object.defineProperty(Vue.prototype, '$router', {
    get: function get () { return this._routerRoot._router }
  });

  Object.defineProperty(Vue.prototype, '$route', {
    get: function get () { return this._routerRoot._route }
  });

  Vue.component('RouterView', View);
  Vue.component('RouterLink', Link);

  var strats = Vue.config.optionMergeStrategies;
  // use the same hook merging strategy for route hooks
  strats.beforeRouteEnter = strats.beforeRouteLeave = strats.beforeRouteUpdate = strats.created;
}

/*  */

var inBrowser = typeof window !== 'undefined';

/*  */

function createRouteMap (
  routes,
  oldPathList,
  oldPathMap,
  oldNameMap
) {
  // the path list is used to control path matching priority
  var pathList = oldPathList || [];
  // $flow-disable-line
  var pathMap = oldPathMap || Object.create(null);
  // $flow-disable-line
  var nameMap = oldNameMap || Object.create(null);

  routes.forEach(function (route) {
    addRouteRecord(pathList, pathMap, nameMap, route);
  });

  // ensure wildcard routes are always at the end
  for (var i = 0, l = pathList.length; i < l; i++) {
    if (pathList[i] === '*') {
      pathList.push(pathList.splice(i, 1)[0]);
      l--;
      i--;
    }
  }

  if ("production" === 'development') {
    // warn if routes do not include leading slashes
    var found = pathList
    // check for missing leading slash
      .filter(function (path) { return path && path.charAt(0) !== '*' && path.charAt(0) !== '/'; });

    if (found.length > 0) {
      var pathNames = found.map(function (path) { return ("- " + path); }).join('\n');
      warn(false, ("Non-nested routes must include a leading slash character. Fix the following routes: \n" + pathNames));
    }
  }

  return {
    pathList: pathList,
    pathMap: pathMap,
    nameMap: nameMap
  }
}

function addRouteRecord (
  pathList,
  pathMap,
  nameMap,
  route,
  parent,
  matchAs
) {
  var path = route.path;
  var name = route.name;
  if ("production" !== 'production') {
    assert(path != null, "\"path\" is required in a route configuration.");
    assert(
      typeof route.component !== 'string',
      "route config \"component\" for path: " + (String(
        path || name
      )) + " cannot be a " + "string id. Use an actual component instead."
    );
  }

  var pathToRegexpOptions =
    route.pathToRegexpOptions || {};
  var normalizedPath = normalizePath(path, parent, pathToRegexpOptions.strict);

  if (typeof route.caseSensitive === 'boolean') {
    pathToRegexpOptions.sensitive = route.caseSensitive;
  }

  var record = {
    path: normalizedPath,
    regex: compileRouteRegex(normalizedPath, pathToRegexpOptions),
    components: route.components || { default: route.component },
    instances: {},
    name: name,
    parent: parent,
    matchAs: matchAs,
    redirect: route.redirect,
    beforeEnter: route.beforeEnter,
    meta: route.meta || {},
    props:
      route.props == null
        ? {}
        : route.components
          ? route.props
          : { default: route.props }
  };

  if (route.children) {
    // Warn if route is named, does not redirect and has a default child route.
    // If users navigate to this route by name, the default child will
    // not be rendered (GH Issue #629)
    if ("production" !== 'production') {
      if (
        route.name &&
        !route.redirect &&
        route.children.some(function (child) { return /^\/?$/.test(child.path); })
      ) {
        warn(
          false,
          "Named Route '" + (route.name) + "' has a default child route. " +
            "When navigating to this named route (:to=\"{name: '" + (route.name) + "'\"), " +
            "the default child route will not be rendered. Remove the name from " +
            "this route and use the name of the default child route for named " +
            "links instead."
        );
      }
    }
    route.children.forEach(function (child) {
      var childMatchAs = matchAs
        ? cleanPath((matchAs + "/" + (child.path)))
        : undefined;
      addRouteRecord(pathList, pathMap, nameMap, child, record, childMatchAs);
    });
  }

  if (!pathMap[record.path]) {
    pathList.push(record.path);
    pathMap[record.path] = record;
  }

  if (route.alias !== undefined) {
    var aliases = Array.isArray(route.alias) ? route.alias : [route.alias];
    for (var i = 0; i < aliases.length; ++i) {
      var alias = aliases[i];
      if ("production" !== 'production' && alias === path) {
        warn(
          false,
          ("Found an alias with the same value as the path: \"" + path + "\". You have to remove that alias. It will be ignored in development.")
        );
        // skip in dev to make it work
        continue
      }

      var aliasRoute = {
        path: alias,
        children: route.children
      };
      addRouteRecord(
        pathList,
        pathMap,
        nameMap,
        aliasRoute,
        parent,
        record.path || '/' // matchAs
      );
    }
  }

  if (name) {
    if (!nameMap[name]) {
      nameMap[name] = record;
    } else if ("production" !== 'production' && !matchAs) {
      warn(
        false,
        "Duplicate named routes definition: " +
          "{ name: \"" + name + "\", path: \"" + (record.path) + "\" }"
      );
    }
  }
}

function compileRouteRegex (
  path,
  pathToRegexpOptions
) {
  var regex = pathToRegexp_1(path, [], pathToRegexpOptions);
  if ("production" !== 'production') {
    var keys = Object.create(null);
    regex.keys.forEach(function (key) {
      warn(
        !keys[key.name],
        ("Duplicate param keys in route with path: \"" + path + "\"")
      );
      keys[key.name] = true;
    });
  }
  return regex
}

function normalizePath (
  path,
  parent,
  strict
) {
  if (!strict) { path = path.replace(/\/$/, ''); }
  if (path[0] === '/') { return path }
  if (parent == null) { return path }
  return cleanPath(((parent.path) + "/" + path))
}

/*  */



function createMatcher (
  routes,
  router
) {
  var ref = createRouteMap(routes);
  var pathList = ref.pathList;
  var pathMap = ref.pathMap;
  var nameMap = ref.nameMap;

  function addRoutes (routes) {
    createRouteMap(routes, pathList, pathMap, nameMap);
  }

  function match (
    raw,
    currentRoute,
    redirectedFrom
  ) {
    var location = normalizeLocation(raw, currentRoute, false, router);
    var name = location.name;

    if (name) {
      var record = nameMap[name];
      if ("production" !== 'production') {
        warn(record, ("Route with name '" + name + "' does not exist"));
      }
      if (!record) { return _createRoute(null, location) }
      var paramNames = record.regex.keys
        .filter(function (key) { return !key.optional; })
        .map(function (key) { return key.name; });

      if (typeof location.params !== 'object') {
        location.params = {};
      }

      if (currentRoute && typeof currentRoute.params === 'object') {
        for (var key in currentRoute.params) {
          if (!(key in location.params) && paramNames.indexOf(key) > -1) {
            location.params[key] = currentRoute.params[key];
          }
        }
      }

      location.path = fillParams(record.path, location.params, ("named route \"" + name + "\""));
      return _createRoute(record, location, redirectedFrom)
    } else if (location.path) {
      location.params = {};
      for (var i = 0; i < pathList.length; i++) {
        var path = pathList[i];
        var record$1 = pathMap[path];
        if (matchRoute(record$1.regex, location.path, location.params)) {
          return _createRoute(record$1, location, redirectedFrom)
        }
      }
    }
    // no match
    return _createRoute(null, location)
  }

  function redirect (
    record,
    location
  ) {
    var originalRedirect = record.redirect;
    var redirect = typeof originalRedirect === 'function'
      ? originalRedirect(createRoute(record, location, null, router))
      : originalRedirect;

    if (typeof redirect === 'string') {
      redirect = { path: redirect };
    }

    if (!redirect || typeof redirect !== 'object') {
      if ("production" !== 'production') {
        warn(
          false, ("invalid redirect option: " + (JSON.stringify(redirect)))
        );
      }
      return _createRoute(null, location)
    }

    var re = redirect;
    var name = re.name;
    var path = re.path;
    var query = location.query;
    var hash = location.hash;
    var params = location.params;
    query = re.hasOwnProperty('query') ? re.query : query;
    hash = re.hasOwnProperty('hash') ? re.hash : hash;
    params = re.hasOwnProperty('params') ? re.params : params;

    if (name) {
      // resolved named direct
      var targetRecord = nameMap[name];
      if ("production" !== 'production') {
        assert(targetRecord, ("redirect failed: named route \"" + name + "\" not found."));
      }
      return match({
        _normalized: true,
        name: name,
        query: query,
        hash: hash,
        params: params
      }, undefined, location)
    } else if (path) {
      // 1. resolve relative redirect
      var rawPath = resolveRecordPath(path, record);
      // 2. resolve params
      var resolvedPath = fillParams(rawPath, params, ("redirect route with path \"" + rawPath + "\""));
      // 3. rematch with existing query and hash
      return match({
        _normalized: true,
        path: resolvedPath,
        query: query,
        hash: hash
      }, undefined, location)
    } else {
      if ("production" !== 'production') {
        warn(false, ("invalid redirect option: " + (JSON.stringify(redirect))));
      }
      return _createRoute(null, location)
    }
  }

  function alias (
    record,
    location,
    matchAs
  ) {
    var aliasedPath = fillParams(matchAs, location.params, ("aliased route with path \"" + matchAs + "\""));
    var aliasedMatch = match({
      _normalized: true,
      path: aliasedPath
    });
    if (aliasedMatch) {
      var matched = aliasedMatch.matched;
      var aliasedRecord = matched[matched.length - 1];
      location.params = aliasedMatch.params;
      return _createRoute(aliasedRecord, location)
    }
    return _createRoute(null, location)
  }

  function _createRoute (
    record,
    location,
    redirectedFrom
  ) {
    if (record && record.redirect) {
      return redirect(record, redirectedFrom || location)
    }
    if (record && record.matchAs) {
      return alias(record, location, record.matchAs)
    }
    return createRoute(record, location, redirectedFrom, router)
  }

  return {
    match: match,
    addRoutes: addRoutes
  }
}

function matchRoute (
  regex,
  path,
  params
) {
  var m = path.match(regex);

  if (!m) {
    return false
  } else if (!params) {
    return true
  }

  for (var i = 1, len = m.length; i < len; ++i) {
    var key = regex.keys[i - 1];
    var val = typeof m[i] === 'string' ? decodeURIComponent(m[i]) : m[i];
    if (key) {
      // Fix #1994: using * with props: true generates a param named 0
      params[key.name || 'pathMatch'] = val;
    }
  }

  return true
}

function resolveRecordPath (path, record) {
  return resolvePath(path, record.parent ? record.parent.path : '/', true)
}

/*  */

// use User Timing api (if present) for more accurate key precision
var Time =
  inBrowser && window.performance && window.performance.now
    ? window.performance
    : Date;

function genStateKey () {
  return Time.now().toFixed(3)
}

var _key = genStateKey();

function getStateKey () {
  return _key
}

function setStateKey (key) {
  return (_key = key)
}

/*  */

var positionStore = Object.create(null);

function setupScroll () {
  // Fix for #1585 for Firefox
  // Fix for #2195 Add optional third attribute to workaround a bug in safari https://bugs.webkit.org/show_bug.cgi?id=182678
  // Fix for #2774 Support for apps loaded from Windows file shares not mapped to network drives: replaced location.origin with
  // window.location.protocol + '//' + window.location.host
  // location.host contains the port and location.hostname doesn't
  var protocolAndPath = window.location.protocol + '//' + window.location.host;
  var absolutePath = window.location.href.replace(protocolAndPath, '');
  window.history.replaceState({ key: getStateKey() }, '', absolutePath);
  window.addEventListener('popstate', function (e) {
    saveScrollPosition();
    if (e.state && e.state.key) {
      setStateKey(e.state.key);
    }
  });
}

function handleScroll (
  router,
  to,
  from,
  isPop
) {
  if (!router.app) {
    return
  }

  var behavior = router.options.scrollBehavior;
  if (!behavior) {
    return
  }

  if ("production" !== 'production') {
    assert(typeof behavior === 'function', "scrollBehavior must be a function");
  }

  // wait until re-render finishes before scrolling
  router.app.$nextTick(function () {
    var position = getScrollPosition();
    var shouldScroll = behavior.call(
      router,
      to,
      from,
      isPop ? position : null
    );

    if (!shouldScroll) {
      return
    }

    if (typeof shouldScroll.then === 'function') {
      shouldScroll
        .then(function (shouldScroll) {
          scrollToPosition((shouldScroll), position);
        })
        .catch(function (err) {
          if ("production" !== 'production') {
            assert(false, err.toString());
          }
        });
    } else {
      scrollToPosition(shouldScroll, position);
    }
  });
}

function saveScrollPosition () {
  var key = getStateKey();
  if (key) {
    positionStore[key] = {
      x: window.pageXOffset,
      y: window.pageYOffset
    };
  }
}

function getScrollPosition () {
  var key = getStateKey();
  if (key) {
    return positionStore[key]
  }
}

function getElementPosition (el, offset) {
  var docEl = document.documentElement;
  var docRect = docEl.getBoundingClientRect();
  var elRect = el.getBoundingClientRect();
  return {
    x: elRect.left - docRect.left - offset.x,
    y: elRect.top - docRect.top - offset.y
  }
}

function isValidPosition (obj) {
  return isNumber(obj.x) || isNumber(obj.y)
}

function normalizePosition (obj) {
  return {
    x: isNumber(obj.x) ? obj.x : window.pageXOffset,
    y: isNumber(obj.y) ? obj.y : window.pageYOffset
  }
}

function normalizeOffset (obj) {
  return {
    x: isNumber(obj.x) ? obj.x : 0,
    y: isNumber(obj.y) ? obj.y : 0
  }
}

function isNumber (v) {
  return typeof v === 'number'
}

var hashStartsWithNumberRE = /^#\d/;

function scrollToPosition (shouldScroll, position) {
  var isObject = typeof shouldScroll === 'object';
  if (isObject && typeof shouldScroll.selector === 'string') {
    // getElementById would still fail if the selector contains a more complicated query like #main[data-attr]
    // but at the same time, it doesn't make much sense to select an element with an id and an extra selector
    var el = hashStartsWithNumberRE.test(shouldScroll.selector) // $flow-disable-line
      ? document.getElementById(shouldScroll.selector.slice(1)) // $flow-disable-line
      : document.querySelector(shouldScroll.selector);

    if (el) {
      var offset =
        shouldScroll.offset && typeof shouldScroll.offset === 'object'
          ? shouldScroll.offset
          : {};
      offset = normalizeOffset(offset);
      position = getElementPosition(el, offset);
    } else if (isValidPosition(shouldScroll)) {
      position = normalizePosition(shouldScroll);
    }
  } else if (isObject && isValidPosition(shouldScroll)) {
    position = normalizePosition(shouldScroll);
  }

  if (position) {
    window.scrollTo(position.x, position.y);
  }
}

/*  */

var supportsPushState =
  inBrowser &&
  (function () {
    var ua = window.navigator.userAgent;

    if (
      (ua.indexOf('Android 2.') !== -1 || ua.indexOf('Android 4.0') !== -1) &&
      ua.indexOf('Mobile Safari') !== -1 &&
      ua.indexOf('Chrome') === -1 &&
      ua.indexOf('Windows Phone') === -1
    ) {
      return false
    }

    return window.history && 'pushState' in window.history
  })();

function pushState (url, replace) {
  saveScrollPosition();
  // try...catch the pushState call to get around Safari
  // DOM Exception 18 where it limits to 100 pushState calls
  var history = window.history;
  try {
    if (replace) {
      history.replaceState({ key: getStateKey() }, '', url);
    } else {
      history.pushState({ key: setStateKey(genStateKey()) }, '', url);
    }
  } catch (e) {
    window.location[replace ? 'replace' : 'assign'](url);
  }
}

function replaceState (url) {
  pushState(url, true);
}

/*  */

function runQueue (queue, fn, cb) {
  var step = function (index) {
    if (index >= queue.length) {
      cb();
    } else {
      if (queue[index]) {
        fn(queue[index], function () {
          step(index + 1);
        });
      } else {
        step(index + 1);
      }
    }
  };
  step(0);
}

/*  */

function resolveAsyncComponents (matched) {
  return function (to, from, next) {
    var hasAsync = false;
    var pending = 0;
    var error = null;

    flatMapComponents(matched, function (def, _, match, key) {
      // if it's a function and doesn't have cid attached,
      // assume it's an async component resolve function.
      // we are not using Vue's default async resolving mechanism because
      // we want to halt the navigation until the incoming component has been
      // resolved.
      if (typeof def === 'function' && def.cid === undefined) {
        hasAsync = true;
        pending++;

        var resolve = once(function (resolvedDef) {
          if (isESModule(resolvedDef)) {
            resolvedDef = resolvedDef.default;
          }
          // save resolved on async factory in case it's used elsewhere
          def.resolved = typeof resolvedDef === 'function'
            ? resolvedDef
            : _Vue.extend(resolvedDef);
          match.components[key] = resolvedDef;
          pending--;
          if (pending <= 0) {
            next();
          }
        });

        var reject = once(function (reason) {
          var msg = "Failed to resolve async component " + key + ": " + reason;
          "production" !== 'production' && warn(false, msg);
          if (!error) {
            error = isError(reason)
              ? reason
              : new Error(msg);
            next(error);
          }
        });

        var res;
        try {
          res = def(resolve, reject);
        } catch (e) {
          reject(e);
        }
        if (res) {
          if (typeof res.then === 'function') {
            res.then(resolve, reject);
          } else {
            // new syntax in Vue 2.3
            var comp = res.component;
            if (comp && typeof comp.then === 'function') {
              comp.then(resolve, reject);
            }
          }
        }
      }
    });

    if (!hasAsync) { next(); }
  }
}

function flatMapComponents (
  matched,
  fn
) {
  return flatten(matched.map(function (m) {
    return Object.keys(m.components).map(function (key) { return fn(
      m.components[key],
      m.instances[key],
      m, key
    ); })
  }))
}

function flatten (arr) {
  return Array.prototype.concat.apply([], arr)
}

var hasSymbol =
  typeof Symbol === 'function' &&
  typeof Symbol.toStringTag === 'symbol';

function isESModule (obj) {
  return obj.__esModule || (hasSymbol && obj[Symbol.toStringTag] === 'Module')
}

// in Webpack 2, require.ensure now also returns a Promise
// so the resolve/reject functions may get called an extra time
// if the user uses an arrow function shorthand that happens to
// return that Promise.
function once (fn) {
  var called = false;
  return function () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    if (called) { return }
    called = true;
    return fn.apply(this, args)
  }
}

var NavigationDuplicated = /*@__PURE__*/(function (Error) {
  function NavigationDuplicated (normalizedLocation) {
    Error.call(this);
    this.name = this._name = 'NavigationDuplicated';
    // passing the message to super() doesn't seem to work in the transpiled version
    this.message = "Navigating to current location (\"" + (normalizedLocation.fullPath) + "\") is not allowed";
    // add a stack property so services like Sentry can correctly display it
    Object.defineProperty(this, 'stack', {
      value: new Error().stack,
      writable: true,
      configurable: true
    });
    // we could also have used
    // Error.captureStackTrace(this, this.constructor)
    // but it only exists on node and chrome
  }

  if ( Error ) NavigationDuplicated.__proto__ = Error;
  NavigationDuplicated.prototype = Object.create( Error && Error.prototype );
  NavigationDuplicated.prototype.constructor = NavigationDuplicated;

  return NavigationDuplicated;
}(Error));

// support IE9
NavigationDuplicated._name = 'NavigationDuplicated';

/*  */

var History = function History (router, base) {
  this.router = router;
  this.base = normalizeBase(base);
  // start with a route object that stands for "nowhere"
  this.current = START;
  this.pending = null;
  this.ready = false;
  this.readyCbs = [];
  this.readyErrorCbs = [];
  this.errorCbs = [];
};

History.prototype.listen = function listen (cb) {
  this.cb = cb;
};

History.prototype.onReady = function onReady (cb, errorCb) {
  if (this.ready) {
    cb();
  } else {
    this.readyCbs.push(cb);
    if (errorCb) {
      this.readyErrorCbs.push(errorCb);
    }
  }
};

History.prototype.onError = function onError (errorCb) {
  this.errorCbs.push(errorCb);
};

History.prototype.transitionTo = function transitionTo (
  location,
  onComplete,
  onAbort
) {
    var this$1 = this;

  var route = this.router.match(location, this.current);
  this.confirmTransition(
    route,
    function () {
      this$1.updateRoute(route);
      onComplete && onComplete(route);
      this$1.ensureURL();

      // fire ready cbs once
      if (!this$1.ready) {
        this$1.ready = true;
        this$1.readyCbs.forEach(function (cb) {
          cb(route);
        });
      }
    },
    function (err) {
      if (onAbort) {
        onAbort(err);
      }
      if (err && !this$1.ready) {
        this$1.ready = true;
        this$1.readyErrorCbs.forEach(function (cb) {
          cb(err);
        });
      }
    }
  );
};

History.prototype.confirmTransition = function confirmTransition (route, onComplete, onAbort) {
    var this$1 = this;

  var current = this.current;
  var abort = function (err) {
    // after merging https://github.com/vuejs/vue-router/pull/2771 we
    // When the user navigates through history through back/forward buttons
    // we do not want to throw the error. We only throw it if directly calling
    // push/replace. That's why it's not included in isError
    if (!isExtendedError(NavigationDuplicated, err) && isError(err)) {
      if (this$1.errorCbs.length) {
        this$1.errorCbs.forEach(function (cb) {
          cb(err);
        });
      } else {
        warn(false, 'uncaught error during route navigation:');
        console.error(err);
      }
    }
    onAbort && onAbort(err);
  };
  if (
    isSameRoute(route, current) &&
    // in the case the route map has been dynamically appended to
    route.matched.length === current.matched.length
  ) {
    this.ensureURL();
    return abort(new NavigationDuplicated(route))
  }

  var ref = resolveQueue(
    this.current.matched,
    route.matched
  );
    var updated = ref.updated;
    var deactivated = ref.deactivated;
    var activated = ref.activated;

  var queue = [].concat(
    // in-component leave guards
    extractLeaveGuards(deactivated),
    // global before hooks
    this.router.beforeHooks,
    // in-component update hooks
    extractUpdateHooks(updated),
    // in-config enter guards
    activated.map(function (m) { return m.beforeEnter; }),
    // async components
    resolveAsyncComponents(activated)
  );

  this.pending = route;
  var iterator = function (hook, next) {
    if (this$1.pending !== route) {
      return abort()
    }
    try {
      hook(route, current, function (to) {
        if (to === false || isError(to)) {
          // next(false) -> abort navigation, ensure current URL
          this$1.ensureURL(true);
          abort(to);
        } else if (
          typeof to === 'string' ||
          (typeof to === 'object' &&
            (typeof to.path === 'string' || typeof to.name === 'string'))
        ) {
          // next('/') or next({ path: '/' }) -> redirect
          abort();
          if (typeof to === 'object' && to.replace) {
            this$1.replace(to);
          } else {
            this$1.push(to);
          }
        } else {
          // confirm transition and pass on the value
          next(to);
        }
      });
    } catch (e) {
      abort(e);
    }
  };

  runQueue(queue, iterator, function () {
    var postEnterCbs = [];
    var isValid = function () { return this$1.current === route; };
    // wait until async components are resolved before
    // extracting in-component enter guards
    var enterGuards = extractEnterGuards(activated, postEnterCbs, isValid);
    var queue = enterGuards.concat(this$1.router.resolveHooks);
    runQueue(queue, iterator, function () {
      if (this$1.pending !== route) {
        return abort()
      }
      this$1.pending = null;
      onComplete(route);
      if (this$1.router.app) {
        this$1.router.app.$nextTick(function () {
          postEnterCbs.forEach(function (cb) {
            cb();
          });
        });
      }
    });
  });
};

History.prototype.updateRoute = function updateRoute (route) {
  var prev = this.current;
  this.current = route;
  this.cb && this.cb(route);
  this.router.afterHooks.forEach(function (hook) {
    hook && hook(route, prev);
  });
};

function normalizeBase (base) {
  if (!base) {
    if (inBrowser) {
      // respect <base> tag
      var baseEl = document.querySelector('base');
      base = (baseEl && baseEl.getAttribute('href')) || '/';
      // strip full URL origin
      base = base.replace(/^https?:\/\/[^\/]+/, '');
    } else {
      base = '/';
    }
  }
  // make sure there's the starting slash
  if (base.charAt(0) !== '/') {
    base = '/' + base;
  }
  // remove trailing slash
  return base.replace(/\/$/, '')
}

function resolveQueue (
  current,
  next
) {
  var i;
  var max = Math.max(current.length, next.length);
  for (i = 0; i < max; i++) {
    if (current[i] !== next[i]) {
      break
    }
  }
  return {
    updated: next.slice(0, i),
    activated: next.slice(i),
    deactivated: current.slice(i)
  }
}

function extractGuards (
  records,
  name,
  bind,
  reverse
) {
  var guards = flatMapComponents(records, function (def, instance, match, key) {
    var guard = extractGuard(def, name);
    if (guard) {
      return Array.isArray(guard)
        ? guard.map(function (guard) { return bind(guard, instance, match, key); })
        : bind(guard, instance, match, key)
    }
  });
  return flatten(reverse ? guards.reverse() : guards)
}

function extractGuard (
  def,
  key
) {
  if (typeof def !== 'function') {
    // extend now so that global mixins are applied.
    def = _Vue.extend(def);
  }
  return def.options[key]
}

function extractLeaveGuards (deactivated) {
  return extractGuards(deactivated, 'beforeRouteLeave', bindGuard, true)
}

function extractUpdateHooks (updated) {
  return extractGuards(updated, 'beforeRouteUpdate', bindGuard)
}

function bindGuard (guard, instance) {
  if (instance) {
    return function boundRouteGuard () {
      return guard.apply(instance, arguments)
    }
  }
}

function extractEnterGuards (
  activated,
  cbs,
  isValid
) {
  return extractGuards(
    activated,
    'beforeRouteEnter',
    function (guard, _, match, key) {
      return bindEnterGuard(guard, match, key, cbs, isValid)
    }
  )
}

function bindEnterGuard (
  guard,
  match,
  key,
  cbs,
  isValid
) {
  return function routeEnterGuard (to, from, next) {
    return guard(to, from, function (cb) {
      if (typeof cb === 'function') {
        cbs.push(function () {
          // #750
          // if a router-view is wrapped with an out-in transition,
          // the instance may not have been registered at this time.
          // we will need to poll for registration until current route
          // is no longer valid.
          poll(cb, match.instances, key, isValid);
        });
      }
      next(cb);
    })
  }
}

function poll (
  cb, // somehow flow cannot infer this is a function
  instances,
  key,
  isValid
) {
  if (
    instances[key] &&
    !instances[key]._isBeingDestroyed // do not reuse being destroyed instance
  ) {
    cb(instances[key]);
  } else if (isValid()) {
    setTimeout(function () {
      poll(cb, instances, key, isValid);
    }, 16);
  }
}

/*  */

var HTML5History = /*@__PURE__*/(function (History) {
  function HTML5History (router, base) {
    var this$1 = this;

    History.call(this, router, base);

    var expectScroll = router.options.scrollBehavior;
    var supportsScroll = supportsPushState && expectScroll;

    if (supportsScroll) {
      setupScroll();
    }

    var initLocation = getLocation(this.base);
    window.addEventListener('popstate', function (e) {
      var current = this$1.current;

      // Avoiding first `popstate` event dispatched in some browsers but first
      // history route not updated since async guard at the same time.
      var location = getLocation(this$1.base);
      if (this$1.current === START && location === initLocation) {
        return
      }

      this$1.transitionTo(location, function (route) {
        if (supportsScroll) {
          handleScroll(router, route, current, true);
        }
      });
    });
  }

  if ( History ) HTML5History.__proto__ = History;
  HTML5History.prototype = Object.create( History && History.prototype );
  HTML5History.prototype.constructor = HTML5History;

  HTML5History.prototype.go = function go (n) {
    window.history.go(n);
  };

  HTML5History.prototype.push = function push (location, onComplete, onAbort) {
    var this$1 = this;

    var ref = this;
    var fromRoute = ref.current;
    this.transitionTo(location, function (route) {
      pushState(cleanPath(this$1.base + route.fullPath));
      handleScroll(this$1.router, route, fromRoute, false);
      onComplete && onComplete(route);
    }, onAbort);
  };

  HTML5History.prototype.replace = function replace (location, onComplete, onAbort) {
    var this$1 = this;

    var ref = this;
    var fromRoute = ref.current;
    this.transitionTo(location, function (route) {
      replaceState(cleanPath(this$1.base + route.fullPath));
      handleScroll(this$1.router, route, fromRoute, false);
      onComplete && onComplete(route);
    }, onAbort);
  };

  HTML5History.prototype.ensureURL = function ensureURL (push) {
    if (getLocation(this.base) !== this.current.fullPath) {
      var current = cleanPath(this.base + this.current.fullPath);
      push ? pushState(current) : replaceState(current);
    }
  };

  HTML5History.prototype.getCurrentLocation = function getCurrentLocation () {
    return getLocation(this.base)
  };

  return HTML5History;
}(History));

function getLocation (base) {
  var path = decodeURI(window.location.pathname);
  if (base && path.indexOf(base) === 0) {
    path = path.slice(base.length);
  }
  return (path || '/') + window.location.search + window.location.hash
}

/*  */

var HashHistory = /*@__PURE__*/(function (History) {
  function HashHistory (router, base, fallback) {
    History.call(this, router, base);
    // check history fallback deeplinking
    if (fallback && checkFallback(this.base)) {
      return
    }
    ensureSlash();
  }

  if ( History ) HashHistory.__proto__ = History;
  HashHistory.prototype = Object.create( History && History.prototype );
  HashHistory.prototype.constructor = HashHistory;

  // this is delayed until the app mounts
  // to avoid the hashchange listener being fired too early
  HashHistory.prototype.setupListeners = function setupListeners () {
    var this$1 = this;

    var router = this.router;
    var expectScroll = router.options.scrollBehavior;
    var supportsScroll = supportsPushState && expectScroll;

    if (supportsScroll) {
      setupScroll();
    }

    window.addEventListener(
      supportsPushState ? 'popstate' : 'hashchange',
      function () {
        var current = this$1.current;
        if (!ensureSlash()) {
          return
        }
        this$1.transitionTo(getHash(), function (route) {
          if (supportsScroll) {
            handleScroll(this$1.router, route, current, true);
          }
          if (!supportsPushState) {
            replaceHash(route.fullPath);
          }
        });
      }
    );
  };

  HashHistory.prototype.push = function push (location, onComplete, onAbort) {
    var this$1 = this;

    var ref = this;
    var fromRoute = ref.current;
    this.transitionTo(
      location,
      function (route) {
        pushHash(route.fullPath);
        handleScroll(this$1.router, route, fromRoute, false);
        onComplete && onComplete(route);
      },
      onAbort
    );
  };

  HashHistory.prototype.replace = function replace (location, onComplete, onAbort) {
    var this$1 = this;

    var ref = this;
    var fromRoute = ref.current;
    this.transitionTo(
      location,
      function (route) {
        replaceHash(route.fullPath);
        handleScroll(this$1.router, route, fromRoute, false);
        onComplete && onComplete(route);
      },
      onAbort
    );
  };

  HashHistory.prototype.go = function go (n) {
    window.history.go(n);
  };

  HashHistory.prototype.ensureURL = function ensureURL (push) {
    var current = this.current.fullPath;
    if (getHash() !== current) {
      push ? pushHash(current) : replaceHash(current);
    }
  };

  HashHistory.prototype.getCurrentLocation = function getCurrentLocation () {
    return getHash()
  };

  return HashHistory;
}(History));

function checkFallback (base) {
  var location = getLocation(base);
  if (!/^\/#/.test(location)) {
    window.location.replace(cleanPath(base + '/#' + location));
    return true
  }
}

function ensureSlash () {
  var path = getHash();
  if (path.charAt(0) === '/') {
    return true
  }
  replaceHash('/' + path);
  return false
}

function getHash () {
  // We can't use window.location.hash here because it's not
  // consistent across browsers - Firefox will pre-decode it!
  var href = window.location.href;
  var index = href.indexOf('#');
  // empty path
  if (index < 0) { return '' }

  href = href.slice(index + 1);
  // decode the hash but not the search or hash
  // as search(query) is already decoded
  // https://github.com/vuejs/vue-router/issues/2708
  var searchIndex = href.indexOf('?');
  if (searchIndex < 0) {
    var hashIndex = href.indexOf('#');
    if (hashIndex > -1) {
      href = decodeURI(href.slice(0, hashIndex)) + href.slice(hashIndex);
    } else { href = decodeURI(href); }
  } else {
    if (searchIndex > -1) {
      href = decodeURI(href.slice(0, searchIndex)) + href.slice(searchIndex);
    }
  }

  return href
}

function getUrl (path) {
  var href = window.location.href;
  var i = href.indexOf('#');
  var base = i >= 0 ? href.slice(0, i) : href;
  return (base + "#" + path)
}

function pushHash (path) {
  if (supportsPushState) {
    pushState(getUrl(path));
  } else {
    window.location.hash = path;
  }
}

function replaceHash (path) {
  if (supportsPushState) {
    replaceState(getUrl(path));
  } else {
    window.location.replace(getUrl(path));
  }
}

/*  */

var AbstractHistory = /*@__PURE__*/(function (History) {
  function AbstractHistory (router, base) {
    History.call(this, router, base);
    this.stack = [];
    this.index = -1;
  }

  if ( History ) AbstractHistory.__proto__ = History;
  AbstractHistory.prototype = Object.create( History && History.prototype );
  AbstractHistory.prototype.constructor = AbstractHistory;

  AbstractHistory.prototype.push = function push (location, onComplete, onAbort) {
    var this$1 = this;

    this.transitionTo(
      location,
      function (route) {
        this$1.stack = this$1.stack.slice(0, this$1.index + 1).concat(route);
        this$1.index++;
        onComplete && onComplete(route);
      },
      onAbort
    );
  };

  AbstractHistory.prototype.replace = function replace (location, onComplete, onAbort) {
    var this$1 = this;

    this.transitionTo(
      location,
      function (route) {
        this$1.stack = this$1.stack.slice(0, this$1.index).concat(route);
        onComplete && onComplete(route);
      },
      onAbort
    );
  };

  AbstractHistory.prototype.go = function go (n) {
    var this$1 = this;

    var targetIndex = this.index + n;
    if (targetIndex < 0 || targetIndex >= this.stack.length) {
      return
    }
    var route = this.stack[targetIndex];
    this.confirmTransition(
      route,
      function () {
        this$1.index = targetIndex;
        this$1.updateRoute(route);
      },
      function (err) {
        if (isExtendedError(NavigationDuplicated, err)) {
          this$1.index = targetIndex;
        }
      }
    );
  };

  AbstractHistory.prototype.getCurrentLocation = function getCurrentLocation () {
    var current = this.stack[this.stack.length - 1];
    return current ? current.fullPath : '/'
  };

  AbstractHistory.prototype.ensureURL = function ensureURL () {
    // noop
  };

  return AbstractHistory;
}(History));

/*  */



var VueRouter = function VueRouter (options) {
  if ( options === void 0 ) options = {};

  this.app = null;
  this.apps = [];
  this.options = options;
  this.beforeHooks = [];
  this.resolveHooks = [];
  this.afterHooks = [];
  this.matcher = createMatcher(options.routes || [], this);

  var mode = options.mode || 'hash';
  this.fallback = mode === 'history' && !supportsPushState && options.fallback !== false;
  if (this.fallback) {
    mode = 'hash';
  }
  if (!inBrowser) {
    mode = 'abstract';
  }
  this.mode = mode;

  switch (mode) {
    case 'history':
      this.history = new HTML5History(this, options.base);
      break
    case 'hash':
      this.history = new HashHistory(this, options.base, this.fallback);
      break
    case 'abstract':
      this.history = new AbstractHistory(this, options.base);
      break
    default:
      if ("production" !== 'production') {
        assert(false, ("invalid mode: " + mode));
      }
  }
};

var prototypeAccessors = { currentRoute: { configurable: true } };

VueRouter.prototype.match = function match (
  raw,
  current,
  redirectedFrom
) {
  return this.matcher.match(raw, current, redirectedFrom)
};

prototypeAccessors.currentRoute.get = function () {
  return this.history && this.history.current
};

VueRouter.prototype.init = function init (app /* Vue component instance */) {
    var this$1 = this;

  "production" !== 'production' && assert(
    install.installed,
    "not installed. Make sure to call `Vue.use(VueRouter)` " +
    "before creating root instance."
  );

  this.apps.push(app);

  // set up app destroyed handler
  // https://github.com/vuejs/vue-router/issues/2639
  app.$once('hook:destroyed', function () {
    // clean out app from this.apps array once destroyed
    var index = this$1.apps.indexOf(app);
    if (index > -1) { this$1.apps.splice(index, 1); }
    // ensure we still have a main app or null if no apps
    // we do not release the router so it can be reused
    if (this$1.app === app) { this$1.app = this$1.apps[0] || null; }
  });

  // main app previously initialized
  // return as we don't need to set up new history listener
  if (this.app) {
    return
  }

  this.app = app;

  var history = this.history;

  if (history instanceof HTML5History) {
    history.transitionTo(history.getCurrentLocation());
  } else if (history instanceof HashHistory) {
    var setupHashListener = function () {
      history.setupListeners();
    };
    history.transitionTo(
      history.getCurrentLocation(),
      setupHashListener,
      setupHashListener
    );
  }

  history.listen(function (route) {
    this$1.apps.forEach(function (app) {
      app._route = route;
    });
  });
};

VueRouter.prototype.beforeEach = function beforeEach (fn) {
  return registerHook(this.beforeHooks, fn)
};

VueRouter.prototype.beforeResolve = function beforeResolve (fn) {
  return registerHook(this.resolveHooks, fn)
};

VueRouter.prototype.afterEach = function afterEach (fn) {
  return registerHook(this.afterHooks, fn)
};

VueRouter.prototype.onReady = function onReady (cb, errorCb) {
  this.history.onReady(cb, errorCb);
};

VueRouter.prototype.onError = function onError (errorCb) {
  this.history.onError(errorCb);
};

VueRouter.prototype.push = function push (location, onComplete, onAbort) {
    var this$1 = this;

  // $flow-disable-line
  if (!onComplete && !onAbort && typeof Promise !== 'undefined') {
    return new Promise(function (resolve, reject) {
      this$1.history.push(location, resolve, reject);
    })
  } else {
    this.history.push(location, onComplete, onAbort);
  }
};

VueRouter.prototype.replace = function replace (location, onComplete, onAbort) {
    var this$1 = this;

  // $flow-disable-line
  if (!onComplete && !onAbort && typeof Promise !== 'undefined') {
    return new Promise(function (resolve, reject) {
      this$1.history.replace(location, resolve, reject);
    })
  } else {
    this.history.replace(location, onComplete, onAbort);
  }
};

VueRouter.prototype.go = function go (n) {
  this.history.go(n);
};

VueRouter.prototype.back = function back () {
  this.go(-1);
};

VueRouter.prototype.forward = function forward () {
  this.go(1);
};

VueRouter.prototype.getMatchedComponents = function getMatchedComponents (to) {
  var route = to
    ? to.matched
      ? to
      : this.resolve(to).route
    : this.currentRoute;
  if (!route) {
    return []
  }
  return [].concat.apply([], route.matched.map(function (m) {
    return Object.keys(m.components).map(function (key) {
      return m.components[key]
    })
  }))
};

VueRouter.prototype.resolve = function resolve (
  to,
  current,
  append
) {
  current = current || this.history.current;
  var location = normalizeLocation(
    to,
    current,
    append,
    this
  );
  var route = this.match(location, current);
  var fullPath = route.redirectedFrom || route.fullPath;
  var base = this.history.base;
  var href = createHref(base, fullPath, this.mode);
  return {
    location: location,
    route: route,
    href: href,
    // for backwards compat
    normalizedTo: location,
    resolved: route
  }
};

VueRouter.prototype.addRoutes = function addRoutes (routes) {
  this.matcher.addRoutes(routes);
  if (this.history.current !== START) {
    this.history.transitionTo(this.history.getCurrentLocation());
  }
};

Object.defineProperties( VueRouter.prototype, prototypeAccessors );

function registerHook (list, fn) {
  list.push(fn);
  return function () {
    var i = list.indexOf(fn);
    if (i > -1) { list.splice(i, 1); }
  }
}

function createHref (base, fullPath, mode) {
  var path = mode === 'hash' ? '#' + fullPath : fullPath;
  return base ? cleanPath(base + '/' + path) : path
}

VueRouter.install = install;
VueRouter.version = '3.1.3';

if (inBrowser && window.Vue) {
  window.Vue.use(VueRouter);
}

module.exports = VueRouter;

},{}],22:[function(require,module,exports){
(function (global,setImmediate){
/*!
 * Vue.js v2.6.10
 * (c) 2014-2019 Evan You
 * Released under the MIT License.
 */
'use strict';

/*  */

var emptyObject = Object.freeze({});

// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef (v) {
  return v === undefined || v === null
}

function isDef (v) {
  return v !== undefined && v !== null
}

function isTrue (v) {
  return v === true
}

function isFalse (v) {
  return v === false
}

/**
 * Check if value is primitive.
 */
function isPrimitive (value) {
  return (
    typeof value === 'string' ||
    typeof value === 'number' ||
    // $flow-disable-line
    typeof value === 'symbol' ||
    typeof value === 'boolean'
  )
}

/**
 * Quick object check - this is primarily used to tell
 * Objects from primitive values when we know the value
 * is a JSON-compliant type.
 */
function isObject (obj) {
  return obj !== null && typeof obj === 'object'
}

/**
 * Get the raw type string of a value, e.g., [object Object].
 */
var _toString = Object.prototype.toString;

function toRawType (value) {
  return _toString.call(value).slice(8, -1)
}

/**
 * Strict object type check. Only returns true
 * for plain JavaScript objects.
 */
function isPlainObject (obj) {
  return _toString.call(obj) === '[object Object]'
}

function isRegExp (v) {
  return _toString.call(v) === '[object RegExp]'
}

/**
 * Check if val is a valid array index.
 */
function isValidArrayIndex (val) {
  var n = parseFloat(String(val));
  return n >= 0 && Math.floor(n) === n && isFinite(val)
}

function isPromise (val) {
  return (
    isDef(val) &&
    typeof val.then === 'function' &&
    typeof val.catch === 'function'
  )
}

/**
 * Convert a value to a string that is actually rendered.
 */
function toString (val) {
  return val == null
    ? ''
    : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
      ? JSON.stringify(val, null, 2)
      : String(val)
}

/**
 * Convert an input value to a number for persistence.
 * If the conversion fails, return original string.
 */
function toNumber (val) {
  var n = parseFloat(val);
  return isNaN(n) ? val : n
}

/**
 * Make a map and return a function for checking if a key
 * is in that map.
 */
function makeMap (
  str,
  expectsLowerCase
) {
  var map = Object.create(null);
  var list = str.split(',');
  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase
    ? function (val) { return map[val.toLowerCase()]; }
    : function (val) { return map[val]; }
}

/**
 * Check if a tag is a built-in tag.
 */
var isBuiltInTag = makeMap('slot,component', true);

/**
 * Check if an attribute is a reserved attribute.
 */
var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');

/**
 * Remove an item from an array.
 */
function remove (arr, item) {
  if (arr.length) {
    var index = arr.indexOf(item);
    if (index > -1) {
      return arr.splice(index, 1)
    }
  }
}

/**
 * Check whether an object has the property.
 */
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
  return hasOwnProperty.call(obj, key)
}

/**
 * Create a cached version of a pure function.
 */
function cached (fn) {
  var cache = Object.create(null);
  return (function cachedFn (str) {
    var hit = cache[str];
    return hit || (cache[str] = fn(str))
  })
}

/**
 * Camelize a hyphen-delimited string.
 */
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});

/**
 * Capitalize a string.
 */
var capitalize = cached(function (str) {
  return str.charAt(0).toUpperCase() + str.slice(1)
});

/**
 * Hyphenate a camelCase string.
 */
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
  return str.replace(hyphenateRE, '-$1').toLowerCase()
});

/**
 * Simple bind polyfill for environments that do not support it,
 * e.g., PhantomJS 1.x. Technically, we don't need this anymore
 * since native bind is now performant enough in most browsers.
 * But removing it would mean breaking code that was able to run in
 * PhantomJS 1.x, so this must be kept for backward compatibility.
 */

/* istanbul ignore next */
function polyfillBind (fn, ctx) {
  function boundFn (a) {
    var l = arguments.length;
    return l
      ? l > 1
        ? fn.apply(ctx, arguments)
        : fn.call(ctx, a)
      : fn.call(ctx)
  }

  boundFn._length = fn.length;
  return boundFn
}

function nativeBind (fn, ctx) {
  return fn.bind(ctx)
}

var bind = Function.prototype.bind
  ? nativeBind
  : polyfillBind;

/**
 * Convert an Array-like object to a real Array.
 */
function toArray (list, start) {
  start = start || 0;
  var i = list.length - start;
  var ret = new Array(i);
  while (i--) {
    ret[i] = list[i + start];
  }
  return ret
}

/**
 * Mix properties into target object.
 */
function extend (to, _from) {
  for (var key in _from) {
    to[key] = _from[key];
  }
  return to
}

/**
 * Merge an Array of Objects into a single Object.
 */
function toObject (arr) {
  var res = {};
  for (var i = 0; i < arr.length; i++) {
    if (arr[i]) {
      extend(res, arr[i]);
    }
  }
  return res
}

/* eslint-disable no-unused-vars */

/**
 * Perform no operation.
 * Stubbing args to make Flow happy without leaving useless transpiled code
 * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
 */
function noop (a, b, c) {}

/**
 * Always return false.
 */
var no = function (a, b, c) { return false; };

/* eslint-enable no-unused-vars */

/**
 * Return the same value.
 */
var identity = function (_) { return _; };

/**
 * Generate a string containing static keys from compiler modules.
 */
function genStaticKeys (modules) {
  return modules.reduce(function (keys, m) {
    return keys.concat(m.staticKeys || [])
  }, []).join(',')
}

/**
 * Check if two values are loosely equal - that is,
 * if they are plain objects, do they have the same shape?
 */
function looseEqual (a, b) {
  if (a === b) { return true }
  var isObjectA = isObject(a);
  var isObjectB = isObject(b);
  if (isObjectA && isObjectB) {
    try {
      var isArrayA = Array.isArray(a);
      var isArrayB = Array.isArray(b);
      if (isArrayA && isArrayB) {
        return a.length === b.length && a.every(function (e, i) {
          return looseEqual(e, b[i])
        })
      } else if (a instanceof Date && b instanceof Date) {
        return a.getTime() === b.getTime()
      } else if (!isArrayA && !isArrayB) {
        var keysA = Object.keys(a);
        var keysB = Object.keys(b);
        return keysA.length === keysB.length && keysA.every(function (key) {
          return looseEqual(a[key], b[key])
        })
      } else {
        /* istanbul ignore next */
        return false
      }
    } catch (e) {
      /* istanbul ignore next */
      return false
    }
  } else if (!isObjectA && !isObjectB) {
    return String(a) === String(b)
  } else {
    return false
  }
}

/**
 * Return the first index at which a loosely equal value can be
 * found in the array (if value is a plain object, the array must
 * contain an object of the same shape), or -1 if it is not present.
 */
function looseIndexOf (arr, val) {
  for (var i = 0; i < arr.length; i++) {
    if (looseEqual(arr[i], val)) { return i }
  }
  return -1
}

/**
 * Ensure a function is called only once.
 */
function once (fn) {
  var called = false;
  return function () {
    if (!called) {
      called = true;
      fn.apply(this, arguments);
    }
  }
}

var SSR_ATTR = 'data-server-rendered';

var ASSET_TYPES = [
  'component',
  'directive',
  'filter'
];

var LIFECYCLE_HOOKS = [
  'beforeCreate',
  'created',
  'beforeMount',
  'mounted',
  'beforeUpdate',
  'updated',
  'beforeDestroy',
  'destroyed',
  'activated',
  'deactivated',
  'errorCaptured',
  'serverPrefetch'
];

/*  */



var config = ({
  /**
   * Option merge strategies (used in core/util/options)
   */
  // $flow-disable-line
  optionMergeStrategies: Object.create(null),

  /**
   * Whether to suppress warnings.
   */
  silent: false,

  /**
   * Show production mode tip message on boot?
   */
  productionTip: "development" !== 'production',

  /**
   * Whether to enable devtools
   */
  devtools: "development" !== 'production',

  /**
   * Whether to record perf
   */
  performance: false,

  /**
   * Error handler for watcher errors
   */
  errorHandler: null,

  /**
   * Warn handler for watcher warns
   */
  warnHandler: null,

  /**
   * Ignore certain custom elements
   */
  ignoredElements: [],

  /**
   * Custom user key aliases for v-on
   */
  // $flow-disable-line
  keyCodes: Object.create(null),

  /**
   * Check if a tag is reserved so that it cannot be registered as a
   * component. This is platform-dependent and may be overwritten.
   */
  isReservedTag: no,

  /**
   * Check if an attribute is reserved so that it cannot be used as a component
   * prop. This is platform-dependent and may be overwritten.
   */
  isReservedAttr: no,

  /**
   * Check if a tag is an unknown element.
   * Platform-dependent.
   */
  isUnknownElement: no,

  /**
   * Get the namespace of an element
   */
  getTagNamespace: noop,

  /**
   * Parse the real tag name for the specific platform.
   */
  parsePlatformTagName: identity,

  /**
   * Check if an attribute must be bound using property, e.g. value
   * Platform-dependent.
   */
  mustUseProp: no,

  /**
   * Perform updates asynchronously. Intended to be used by Vue Test Utils
   * This will significantly reduce performance if set to false.
   */
  async: true,

  /**
   * Exposed for legacy reasons
   */
  _lifecycleHooks: LIFECYCLE_HOOKS
});

/*  */

/**
 * unicode letters used for parsing html tags, component names and property paths.
 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
 */
var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;

/**
 * Check if a string starts with $ or _
 */
function isReserved (str) {
  var c = (str + '').charCodeAt(0);
  return c === 0x24 || c === 0x5F
}

/**
 * Define a property.
 */
function def (obj, key, val, enumerable) {
  Object.defineProperty(obj, key, {
    value: val,
    enumerable: !!enumerable,
    writable: true,
    configurable: true
  });
}

/**
 * Parse simple path.
 */
var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
function parsePath (path) {
  if (bailRE.test(path)) {
    return
  }
  var segments = path.split('.');
  return function (obj) {
    for (var i = 0; i < segments.length; i++) {
      if (!obj) { return }
      obj = obj[segments[i]];
    }
    return obj
  }
}

/*  */

// can we use __proto__?
var hasProto = '__proto__' in {};

// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
var isPhantomJS = UA && /phantomjs/.test(UA);
var isFF = UA && UA.match(/firefox\/(\d+)/);

// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;

var supportsPassive = false;
if (inBrowser) {
  try {
    var opts = {};
    Object.defineProperty(opts, 'passive', ({
      get: function get () {
        /* istanbul ignore next */
        supportsPassive = true;
      }
    })); // https://github.com/facebook/flow/issues/285
    window.addEventListener('test-passive', null, opts);
  } catch (e) {}
}

// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
  if (_isServer === undefined) {
    /* istanbul ignore if */
    if (!inBrowser && !inWeex && typeof global !== 'undefined') {
      // detect presence of vue-server-renderer and avoid
      // Webpack shimming the process
      _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
    } else {
      _isServer = false;
    }
  }
  return _isServer
};

// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;

/* istanbul ignore next */
function isNative (Ctor) {
  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}

var hasSymbol =
  typeof Symbol !== 'undefined' && isNative(Symbol) &&
  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);

var _Set;
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) {
  // use native Set when available.
  _Set = Set;
} else {
  // a non-standard Set polyfill that only works with primitive keys.
  _Set = /*@__PURE__*/(function () {
    function Set () {
      this.set = Object.create(null);
    }
    Set.prototype.has = function has (key) {
      return this.set[key] === true
    };
    Set.prototype.add = function add (key) {
      this.set[key] = true;
    };
    Set.prototype.clear = function clear () {
      this.set = Object.create(null);
    };

    return Set;
  }());
}

/*  */

var warn = noop;
var tip = noop;
var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);

{
  var hasConsole = typeof console !== 'undefined';
  var classifyRE = /(?:^|[-_])(\w)/g;
  var classify = function (str) { return str
    .replace(classifyRE, function (c) { return c.toUpperCase(); })
    .replace(/[-_]/g, ''); };

  warn = function (msg, vm) {
    var trace = vm ? generateComponentTrace(vm) : '';

    if (config.warnHandler) {
      config.warnHandler.call(null, msg, vm, trace);
    } else if (hasConsole && (!config.silent)) {
      console.error(("[Vue warn]: " + msg + trace));
    }
  };

  tip = function (msg, vm) {
    if (hasConsole && (!config.silent)) {
      console.warn("[Vue tip]: " + msg + (
        vm ? generateComponentTrace(vm) : ''
      ));
    }
  };

  formatComponentName = function (vm, includeFile) {
    if (vm.$root === vm) {
      return '<Root>'
    }
    var options = typeof vm === 'function' && vm.cid != null
      ? vm.options
      : vm._isVue
        ? vm.$options || vm.constructor.options
        : vm;
    var name = options.name || options._componentTag;
    var file = options.__file;
    if (!name && file) {
      var match = file.match(/([^/\\]+)\.vue$/);
      name = match && match[1];
    }

    return (
      (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
      (file && includeFile !== false ? (" at " + file) : '')
    )
  };

  var repeat = function (str, n) {
    var res = '';
    while (n) {
      if (n % 2 === 1) { res += str; }
      if (n > 1) { str += str; }
      n >>= 1;
    }
    return res
  };

  generateComponentTrace = function (vm) {
    if (vm._isVue && vm.$parent) {
      var tree = [];
      var currentRecursiveSequence = 0;
      while (vm) {
        if (tree.length > 0) {
          var last = tree[tree.length - 1];
          if (last.constructor === vm.constructor) {
            currentRecursiveSequence++;
            vm = vm.$parent;
            continue
          } else if (currentRecursiveSequence > 0) {
            tree[tree.length - 1] = [last, currentRecursiveSequence];
            currentRecursiveSequence = 0;
          }
        }
        tree.push(vm);
        vm = vm.$parent;
      }
      return '\n\nfound in\n\n' + tree
        .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
            ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
            : formatComponentName(vm))); })
        .join('\n')
    } else {
      return ("\n\n(found in " + (formatComponentName(vm)) + ")")
    }
  };
}

/*  */

var uid = 0;

/**
 * A dep is an observable that can have multiple
 * directives subscribing to it.
 */
var Dep = function Dep () {
  this.id = uid++;
  this.subs = [];
};

Dep.prototype.addSub = function addSub (sub) {
  this.subs.push(sub);
};

Dep.prototype.removeSub = function removeSub (sub) {
  remove(this.subs, sub);
};

Dep.prototype.depend = function depend () {
  if (Dep.target) {
    Dep.target.addDep(this);
  }
};

Dep.prototype.notify = function notify () {
  // stabilize the subscriber list first
  var subs = this.subs.slice();
  if (!config.async) {
    // subs aren't sorted in scheduler if not running async
    // we need to sort them now to make sure they fire in correct
    // order
    subs.sort(function (a, b) { return a.id - b.id; });
  }
  for (var i = 0, l = subs.length; i < l; i++) {
    subs[i].update();
  }
};

// The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.
Dep.target = null;
var targetStack = [];

function pushTarget (target) {
  targetStack.push(target);
  Dep.target = target;
}

function popTarget () {
  targetStack.pop();
  Dep.target = targetStack[targetStack.length - 1];
}

/*  */

var VNode = function VNode (
  tag,
  data,
  children,
  text,
  elm,
  context,
  componentOptions,
  asyncFactory
) {
  this.tag = tag;
  this.data = data;
  this.children = children;
  this.text = text;
  this.elm = elm;
  this.ns = undefined;
  this.context = context;
  this.fnContext = undefined;
  this.fnOptions = undefined;
  this.fnScopeId = undefined;
  this.key = data && data.key;
  this.componentOptions = componentOptions;
  this.componentInstance = undefined;
  this.parent = undefined;
  this.raw = false;
  this.isStatic = false;
  this.isRootInsert = true;
  this.isComment = false;
  this.isCloned = false;
  this.isOnce = false;
  this.asyncFactory = asyncFactory;
  this.asyncMeta = undefined;
  this.isAsyncPlaceholder = false;
};

var prototypeAccessors = { child: { configurable: true } };

// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
  return this.componentInstance
};

Object.defineProperties( VNode.prototype, prototypeAccessors );

var createEmptyVNode = function (text) {
  if ( text === void 0 ) text = '';

  var node = new VNode();
  node.text = text;
  node.isComment = true;
  return node
};

function createTextVNode (val) {
  return new VNode(undefined, undefined, undefined, String(val))
}

// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode (vnode) {
  var cloned = new VNode(
    vnode.tag,
    vnode.data,
    // #7975
    // clone children array to avoid mutating original in case of cloning
    // a child.
    vnode.children && vnode.children.slice(),
    vnode.text,
    vnode.elm,
    vnode.context,
    vnode.componentOptions,
    vnode.asyncFactory
  );
  cloned.ns = vnode.ns;
  cloned.isStatic = vnode.isStatic;
  cloned.key = vnode.key;
  cloned.isComment = vnode.isComment;
  cloned.fnContext = vnode.fnContext;
  cloned.fnOptions = vnode.fnOptions;
  cloned.fnScopeId = vnode.fnScopeId;
  cloned.asyncMeta = vnode.asyncMeta;
  cloned.isCloned = true;
  return cloned
}

/*
 * not type checking this file because flow doesn't play well with
 * dynamically accessing methods on Array prototype
 */

var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);

var methodsToPatch = [
  'push',
  'pop',
  'shift',
  'unshift',
  'splice',
  'sort',
  'reverse'
];

/**
 * Intercept mutating methods and emit events
 */
methodsToPatch.forEach(function (method) {
  // cache original method
  var original = arrayProto[method];
  def(arrayMethods, method, function mutator () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    var result = original.apply(this, args);
    var ob = this.__ob__;
    var inserted;
    switch (method) {
      case 'push':
      case 'unshift':
        inserted = args;
        break
      case 'splice':
        inserted = args.slice(2);
        break
    }
    if (inserted) { ob.observeArray(inserted); }
    // notify change
    ob.dep.notify();
    return result
  });
});

/*  */

var arrayKeys = Object.getOwnPropertyNames(arrayMethods);

/**
 * In some cases we may want to disable observation inside a component's
 * update computation.
 */
var shouldObserve = true;

function toggleObserving (value) {
  shouldObserve = value;
}

/**
 * Observer class that is attached to each observed
 * object. Once attached, the observer converts the target
 * object's property keys into getter/setters that
 * collect dependencies and dispatch updates.
 */
var Observer = function Observer (value) {
  this.value = value;
  this.dep = new Dep();
  this.vmCount = 0;
  def(value, '__ob__', this);
  if (Array.isArray(value)) {
    if (hasProto) {
      protoAugment(value, arrayMethods);
    } else {
      copyAugment(value, arrayMethods, arrayKeys);
    }
    this.observeArray(value);
  } else {
    this.walk(value);
  }
};

/**
 * Walk through all properties and convert them into
 * getter/setters. This method should only be called when
 * value type is Object.
 */
Observer.prototype.walk = function walk (obj) {
  var keys = Object.keys(obj);
  for (var i = 0; i < keys.length; i++) {
    defineReactive$$1(obj, keys[i]);
  }
};

/**
 * Observe a list of Array items.
 */
Observer.prototype.observeArray = function observeArray (items) {
  for (var i = 0, l = items.length; i < l; i++) {
    observe(items[i]);
  }
};

// helpers

/**
 * Augment a target Object or Array by intercepting
 * the prototype chain using __proto__
 */
function protoAugment (target, src) {
  /* eslint-disable no-proto */
  target.__proto__ = src;
  /* eslint-enable no-proto */
}

/**
 * Augment a target Object or Array by defining
 * hidden properties.
 */
/* istanbul ignore next */
function copyAugment (target, src, keys) {
  for (var i = 0, l = keys.length; i < l; i++) {
    var key = keys[i];
    def(target, key, src[key]);
  }
}

/**
 * Attempt to create an observer instance for a value,
 * returns the new observer if successfully observed,
 * or the existing observer if the value already has one.
 */
function observe (value, asRootData) {
  if (!isObject(value) || value instanceof VNode) {
    return
  }
  var ob;
  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
    ob = value.__ob__;
  } else if (
    shouldObserve &&
    !isServerRendering() &&
    (Array.isArray(value) || isPlainObject(value)) &&
    Object.isExtensible(value) &&
    !value._isVue
  ) {
    ob = new Observer(value);
  }
  if (asRootData && ob) {
    ob.vmCount++;
  }
  return ob
}

/**
 * Define a reactive property on an Object.
 */
function defineReactive$$1 (
  obj,
  key,
  val,
  customSetter,
  shallow
) {
  var dep = new Dep();

  var property = Object.getOwnPropertyDescriptor(obj, key);
  if (property && property.configurable === false) {
    return
  }

  // cater for pre-defined getter/setters
  var getter = property && property.get;
  var setter = property && property.set;
  if ((!getter || setter) && arguments.length === 2) {
    val = obj[key];
  }

  var childOb = !shallow && observe(val);
  Object.defineProperty(obj, key, {
    enumerable: true,
    configurable: true,
    get: function reactiveGetter () {
      var value = getter ? getter.call(obj) : val;
      if (Dep.target) {
        dep.depend();
        if (childOb) {
          childOb.dep.depend();
          if (Array.isArray(value)) {
            dependArray(value);
          }
        }
      }
      return value
    },
    set: function reactiveSetter (newVal) {
      var value = getter ? getter.call(obj) : val;
      /* eslint-disable no-self-compare */
      if (newVal === value || (newVal !== newVal && value !== value)) {
        return
      }
      /* eslint-enable no-self-compare */
      if (customSetter) {
        customSetter();
      }
      // #7981: for accessor properties without setter
      if (getter && !setter) { return }
      if (setter) {
        setter.call(obj, newVal);
      } else {
        val = newVal;
      }
      childOb = !shallow && observe(newVal);
      dep.notify();
    }
  });
}

/**
 * Set a property on an object. Adds the new property and
 * triggers change notification if the property doesn't
 * already exist.
 */
function set (target, key, val) {
  if (isUndef(target) || isPrimitive(target)
  ) {
    warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
  }
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.length = Math.max(target.length, key);
    target.splice(key, 1, val);
    return val
  }
  if (key in target && !(key in Object.prototype)) {
    target[key] = val;
    return val
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
    warn(
      'Avoid adding reactive properties to a Vue instance or its root $data ' +
      'at runtime - declare it upfront in the data option.'
    );
    return val
  }
  if (!ob) {
    target[key] = val;
    return val
  }
  defineReactive$$1(ob.value, key, val);
  ob.dep.notify();
  return val
}

/**
 * Delete a property and trigger change if necessary.
 */
function del (target, key) {
  if (isUndef(target) || isPrimitive(target)
  ) {
    warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
  }
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.splice(key, 1);
    return
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
    warn(
      'Avoid deleting properties on a Vue instance or its root $data ' +
      '- just set it to null.'
    );
    return
  }
  if (!hasOwn(target, key)) {
    return
  }
  delete target[key];
  if (!ob) {
    return
  }
  ob.dep.notify();
}

/**
 * Collect dependencies on array elements when the array is touched, since
 * we cannot intercept array element access like property getters.
 */
function dependArray (value) {
  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
    e = value[i];
    e && e.__ob__ && e.__ob__.dep.depend();
    if (Array.isArray(e)) {
      dependArray(e);
    }
  }
}

/*  */

/**
 * Option overwriting strategies are functions that handle
 * how to merge a parent option value and a child option
 * value into the final value.
 */
var strats = config.optionMergeStrategies;

/**
 * Options with restrictions
 */
{
  strats.el = strats.propsData = function (parent, child, vm, key) {
    if (!vm) {
      warn(
        "option \"" + key + "\" can only be used during instance " +
        'creation with the `new` keyword.'
      );
    }
    return defaultStrat(parent, child)
  };
}

/**
 * Helper that recursively merges two data objects together.
 */
function mergeData (to, from) {
  if (!from) { return to }
  var key, toVal, fromVal;

  var keys = hasSymbol
    ? Reflect.ownKeys(from)
    : Object.keys(from);

  for (var i = 0; i < keys.length; i++) {
    key = keys[i];
    // in case the object is already observed...
    if (key === '__ob__') { continue }
    toVal = to[key];
    fromVal = from[key];
    if (!hasOwn(to, key)) {
      set(to, key, fromVal);
    } else if (
      toVal !== fromVal &&
      isPlainObject(toVal) &&
      isPlainObject(fromVal)
    ) {
      mergeData(toVal, fromVal);
    }
  }
  return to
}

/**
 * Data
 */
function mergeDataOrFn (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    // in a Vue.extend merge, both should be functions
    if (!childVal) {
      return parentVal
    }
    if (!parentVal) {
      return childVal
    }
    // when parentVal & childVal are both present,
    // we need to return a function that returns the
    // merged result of both functions... no need to
    // check if parentVal is a function here because
    // it has to be a function to pass previous merges.
    return function mergedDataFn () {
      return mergeData(
        typeof childVal === 'function' ? childVal.call(this, this) : childVal,
        typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
      )
    }
  } else {
    return function mergedInstanceDataFn () {
      // instance merge
      var instanceData = typeof childVal === 'function'
        ? childVal.call(vm, vm)
        : childVal;
      var defaultData = typeof parentVal === 'function'
        ? parentVal.call(vm, vm)
        : parentVal;
      if (instanceData) {
        return mergeData(instanceData, defaultData)
      } else {
        return defaultData
      }
    }
  }
}

strats.data = function (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    if (childVal && typeof childVal !== 'function') {
      warn(
        'The "data" option should be a function ' +
        'that returns a per-instance value in component ' +
        'definitions.',
        vm
      );

      return parentVal
    }
    return mergeDataOrFn(parentVal, childVal)
  }

  return mergeDataOrFn(parentVal, childVal, vm)
};

/**
 * Hooks and props are merged as arrays.
 */
function mergeHook (
  parentVal,
  childVal
) {
  var res = childVal
    ? parentVal
      ? parentVal.concat(childVal)
      : Array.isArray(childVal)
        ? childVal
        : [childVal]
    : parentVal;
  return res
    ? dedupeHooks(res)
    : res
}

function dedupeHooks (hooks) {
  var res = [];
  for (var i = 0; i < hooks.length; i++) {
    if (res.indexOf(hooks[i]) === -1) {
      res.push(hooks[i]);
    }
  }
  return res
}

LIFECYCLE_HOOKS.forEach(function (hook) {
  strats[hook] = mergeHook;
});

/**
 * Assets
 *
 * When a vm is present (instance creation), we need to do
 * a three-way merge between constructor options, instance
 * options and parent options.
 */
function mergeAssets (
  parentVal,
  childVal,
  vm,
  key
) {
  var res = Object.create(parentVal || null);
  if (childVal) {
    assertObjectType(key, childVal, vm);
    return extend(res, childVal)
  } else {
    return res
  }
}

ASSET_TYPES.forEach(function (type) {
  strats[type + 's'] = mergeAssets;
});

/**
 * Watchers.
 *
 * Watchers hashes should not overwrite one
 * another, so we merge them as arrays.
 */
strats.watch = function (
  parentVal,
  childVal,
  vm,
  key
) {
  // work around Firefox's Object.prototype.watch...
  if (parentVal === nativeWatch) { parentVal = undefined; }
  if (childVal === nativeWatch) { childVal = undefined; }
  /* istanbul ignore if */
  if (!childVal) { return Object.create(parentVal || null) }
  {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = {};
  extend(ret, parentVal);
  for (var key$1 in childVal) {
    var parent = ret[key$1];
    var child = childVal[key$1];
    if (parent && !Array.isArray(parent)) {
      parent = [parent];
    }
    ret[key$1] = parent
      ? parent.concat(child)
      : Array.isArray(child) ? child : [child];
  }
  return ret
};

/**
 * Other object hashes.
 */
strats.props =
strats.methods =
strats.inject =
strats.computed = function (
  parentVal,
  childVal,
  vm,
  key
) {
  if (childVal && "development" !== 'production') {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = Object.create(null);
  extend(ret, parentVal);
  if (childVal) { extend(ret, childVal); }
  return ret
};
strats.provide = mergeDataOrFn;

/**
 * Default strategy.
 */
var defaultStrat = function (parentVal, childVal) {
  return childVal === undefined
    ? parentVal
    : childVal
};

/**
 * Validate component names
 */
function checkComponents (options) {
  for (var key in options.components) {
    validateComponentName(key);
  }
}

function validateComponentName (name) {
  if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
    warn(
      'Invalid component name: "' + name + '". Component names ' +
      'should conform to valid custom element name in html5 specification.'
    );
  }
  if (isBuiltInTag(name) || config.isReservedTag(name)) {
    warn(
      'Do not use built-in or reserved HTML elements as component ' +
      'id: ' + name
    );
  }
}

/**
 * Ensure all props option syntax are normalized into the
 * Object-based format.
 */
function normalizeProps (options, vm) {
  var props = options.props;
  if (!props) { return }
  var res = {};
  var i, val, name;
  if (Array.isArray(props)) {
    i = props.length;
    while (i--) {
      val = props[i];
      if (typeof val === 'string') {
        name = camelize(val);
        res[name] = { type: null };
      } else {
        warn('props must be strings when using array syntax.');
      }
    }
  } else if (isPlainObject(props)) {
    for (var key in props) {
      val = props[key];
      name = camelize(key);
      res[name] = isPlainObject(val)
        ? val
        : { type: val };
    }
  } else {
    warn(
      "Invalid value for option \"props\": expected an Array or an Object, " +
      "but got " + (toRawType(props)) + ".",
      vm
    );
  }
  options.props = res;
}

/**
 * Normalize all injections into Object-based format
 */
function normalizeInject (options, vm) {
  var inject = options.inject;
  if (!inject) { return }
  var normalized = options.inject = {};
  if (Array.isArray(inject)) {
    for (var i = 0; i < inject.length; i++) {
      normalized[inject[i]] = { from: inject[i] };
    }
  } else if (isPlainObject(inject)) {
    for (var key in inject) {
      var val = inject[key];
      normalized[key] = isPlainObject(val)
        ? extend({ from: key }, val)
        : { from: val };
    }
  } else {
    warn(
      "Invalid value for option \"inject\": expected an Array or an Object, " +
      "but got " + (toRawType(inject)) + ".",
      vm
    );
  }
}

/**
 * Normalize raw function directives into object format.
 */
function normalizeDirectives (options) {
  var dirs = options.directives;
  if (dirs) {
    for (var key in dirs) {
      var def$$1 = dirs[key];
      if (typeof def$$1 === 'function') {
        dirs[key] = { bind: def$$1, update: def$$1 };
      }
    }
  }
}

function assertObjectType (name, value, vm) {
  if (!isPlainObject(value)) {
    warn(
      "Invalid value for option \"" + name + "\": expected an Object, " +
      "but got " + (toRawType(value)) + ".",
      vm
    );
  }
}

/**
 * Merge two option objects into a new one.
 * Core utility used in both instantiation and inheritance.
 */
function mergeOptions (
  parent,
  child,
  vm
) {
  {
    checkComponents(child);
  }

  if (typeof child === 'function') {
    child = child.options;
  }

  normalizeProps(child, vm);
  normalizeInject(child, vm);
  normalizeDirectives(child);

  // Apply extends and mixins on the child options,
  // but only if it is a raw options object that isn't
  // the result of another mergeOptions call.
  // Only merged options has the _base property.
  if (!child._base) {
    if (child.extends) {
      parent = mergeOptions(parent, child.extends, vm);
    }
    if (child.mixins) {
      for (var i = 0, l = child.mixins.length; i < l; i++) {
        parent = mergeOptions(parent, child.mixins[i], vm);
      }
    }
  }

  var options = {};
  var key;
  for (key in parent) {
    mergeField(key);
  }
  for (key in child) {
    if (!hasOwn(parent, key)) {
      mergeField(key);
    }
  }
  function mergeField (key) {
    var strat = strats[key] || defaultStrat;
    options[key] = strat(parent[key], child[key], vm, key);
  }
  return options
}

/**
 * Resolve an asset.
 * This function is used because child instances need access
 * to assets defined in its ancestor chain.
 */
function resolveAsset (
  options,
  type,
  id,
  warnMissing
) {
  /* istanbul ignore if */
  if (typeof id !== 'string') {
    return
  }
  var assets = options[type];
  // check local registration variations first
  if (hasOwn(assets, id)) { return assets[id] }
  var camelizedId = camelize(id);
  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
  var PascalCaseId = capitalize(camelizedId);
  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
  // fallback to prototype chain
  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
  if (warnMissing && !res) {
    warn(
      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
      options
    );
  }
  return res
}

/*  */



function validateProp (
  key,
  propOptions,
  propsData,
  vm
) {
  var prop = propOptions[key];
  var absent = !hasOwn(propsData, key);
  var value = propsData[key];
  // boolean casting
  var booleanIndex = getTypeIndex(Boolean, prop.type);
  if (booleanIndex > -1) {
    if (absent && !hasOwn(prop, 'default')) {
      value = false;
    } else if (value === '' || value === hyphenate(key)) {
      // only cast empty string / same name to boolean if
      // boolean has higher priority
      var stringIndex = getTypeIndex(String, prop.type);
      if (stringIndex < 0 || booleanIndex < stringIndex) {
        value = true;
      }
    }
  }
  // check default value
  if (value === undefined) {
    value = getPropDefaultValue(vm, prop, key);
    // since the default value is a fresh copy,
    // make sure to observe it.
    var prevShouldObserve = shouldObserve;
    toggleObserving(true);
    observe(value);
    toggleObserving(prevShouldObserve);
  }
  {
    assertProp(prop, key, value, vm, absent);
  }
  return value
}

/**
 * Get the default value of a prop.
 */
function getPropDefaultValue (vm, prop, key) {
  // no default, return undefined
  if (!hasOwn(prop, 'default')) {
    return undefined
  }
  var def = prop.default;
  // warn against non-factory defaults for Object & Array
  if (isObject(def)) {
    warn(
      'Invalid default value for prop "' + key + '": ' +
      'Props with type Object/Array must use a factory function ' +
      'to return the default value.',
      vm
    );
  }
  // the raw prop value was also undefined from previous render,
  // return previous default value to avoid unnecessary watcher trigger
  if (vm && vm.$options.propsData &&
    vm.$options.propsData[key] === undefined &&
    vm._props[key] !== undefined
  ) {
    return vm._props[key]
  }
  // call factory function for non-Function types
  // a value is Function if its prototype is function even across different execution context
  return typeof def === 'function' && getType(prop.type) !== 'Function'
    ? def.call(vm)
    : def
}

/**
 * Assert whether a prop is valid.
 */
function assertProp (
  prop,
  name,
  value,
  vm,
  absent
) {
  if (prop.required && absent) {
    warn(
      'Missing required prop: "' + name + '"',
      vm
    );
    return
  }
  if (value == null && !prop.required) {
    return
  }
  var type = prop.type;
  var valid = !type || type === true;
  var expectedTypes = [];
  if (type) {
    if (!Array.isArray(type)) {
      type = [type];
    }
    for (var i = 0; i < type.length && !valid; i++) {
      var assertedType = assertType(value, type[i]);
      expectedTypes.push(assertedType.expectedType || '');
      valid = assertedType.valid;
    }
  }

  if (!valid) {
    warn(
      getInvalidTypeMessage(name, value, expectedTypes),
      vm
    );
    return
  }
  var validator = prop.validator;
  if (validator) {
    if (!validator(value)) {
      warn(
        'Invalid prop: custom validator check failed for prop "' + name + '".',
        vm
      );
    }
  }
}

var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;

function assertType (value, type) {
  var valid;
  var expectedType = getType(type);
  if (simpleCheckRE.test(expectedType)) {
    var t = typeof value;
    valid = t === expectedType.toLowerCase();
    // for primitive wrapper objects
    if (!valid && t === 'object') {
      valid = value instanceof type;
    }
  } else if (expectedType === 'Object') {
    valid = isPlainObject(value);
  } else if (expectedType === 'Array') {
    valid = Array.isArray(value);
  } else {
    valid = value instanceof type;
  }
  return {
    valid: valid,
    expectedType: expectedType
  }
}

/**
 * Use function string name to check built-in types,
 * because a simple equality check will fail when running
 * across different vms / iframes.
 */
function getType (fn) {
  var match = fn && fn.toString().match(/^\s*function (\w+)/);
  return match ? match[1] : ''
}

function isSameType (a, b) {
  return getType(a) === getType(b)
}

function getTypeIndex (type, expectedTypes) {
  if (!Array.isArray(expectedTypes)) {
    return isSameType(expectedTypes, type) ? 0 : -1
  }
  for (var i = 0, len = expectedTypes.length; i < len; i++) {
    if (isSameType(expectedTypes[i], type)) {
      return i
    }
  }
  return -1
}

function getInvalidTypeMessage (name, value, expectedTypes) {
  var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
    " Expected " + (expectedTypes.map(capitalize).join(', '));
  var expectedType = expectedTypes[0];
  var receivedType = toRawType(value);
  var expectedValue = styleValue(value, expectedType);
  var receivedValue = styleValue(value, receivedType);
  // check if we need to specify expected value
  if (expectedTypes.length === 1 &&
      isExplicable(expectedType) &&
      !isBoolean(expectedType, receivedType)) {
    message += " with value " + expectedValue;
  }
  message += ", got " + receivedType + " ";
  // check if we need to specify received value
  if (isExplicable(receivedType)) {
    message += "with value " + receivedValue + ".";
  }
  return message
}

function styleValue (value, type) {
  if (type === 'String') {
    return ("\"" + value + "\"")
  } else if (type === 'Number') {
    return ("" + (Number(value)))
  } else {
    return ("" + value)
  }
}

function isExplicable (value) {
  var explicitTypes = ['string', 'number', 'boolean'];
  return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
}

function isBoolean () {
  var args = [], len = arguments.length;
  while ( len-- ) args[ len ] = arguments[ len ];

  return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
}

/*  */

function handleError (err, vm, info) {
  // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
  // See: https://github.com/vuejs/vuex/issues/1505
  pushTarget();
  try {
    if (vm) {
      var cur = vm;
      while ((cur = cur.$parent)) {
        var hooks = cur.$options.errorCaptured;
        if (hooks) {
          for (var i = 0; i < hooks.length; i++) {
            try {
              var capture = hooks[i].call(cur, err, vm, info) === false;
              if (capture) { return }
            } catch (e) {
              globalHandleError(e, cur, 'errorCaptured hook');
            }
          }
        }
      }
    }
    globalHandleError(err, vm, info);
  } finally {
    popTarget();
  }
}

function invokeWithErrorHandling (
  handler,
  context,
  args,
  vm,
  info
) {
  var res;
  try {
    res = args ? handler.apply(context, args) : handler.call(context);
    if (res && !res._isVue && isPromise(res) && !res._handled) {
      res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
      // issue #9511
      // avoid catch triggering multiple times when nested calls
      res._handled = true;
    }
  } catch (e) {
    handleError(e, vm, info);
  }
  return res
}

function globalHandleError (err, vm, info) {
  if (config.errorHandler) {
    try {
      return config.errorHandler.call(null, err, vm, info)
    } catch (e) {
      // if the user intentionally throws the original error in the handler,
      // do not log it twice
      if (e !== err) {
        logError(e, null, 'config.errorHandler');
      }
    }
  }
  logError(err, vm, info);
}

function logError (err, vm, info) {
  {
    warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
  }
  /* istanbul ignore else */
  if ((inBrowser || inWeex) && typeof console !== 'undefined') {
    console.error(err);
  } else {
    throw err
  }
}

/*  */

var isUsingMicroTask = false;

var callbacks = [];
var pending = false;

function flushCallbacks () {
  pending = false;
  var copies = callbacks.slice(0);
  callbacks.length = 0;
  for (var i = 0; i < copies.length; i++) {
    copies[i]();
  }
}

// Here we have async deferring wrappers using microtasks.
// In 2.5 we used (macro) tasks (in combination with microtasks).
// However, it has subtle problems when state is changed right before repaint
// (e.g. #6813, out-in transitions).
// Also, using (macro) tasks in event handler would cause some weird behaviors
// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
// So we now use microtasks everywhere, again.
// A major drawback of this tradeoff is that there are some scenarios
// where microtasks have too high a priority and fire in between supposedly
// sequential events (e.g. #4521, #6690, which have workarounds)
// or even between bubbling of the same event (#6566).
var timerFunc;

// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
  var p = Promise.resolve();
  timerFunc = function () {
    p.then(flushCallbacks);
    // In problematic UIWebViews, Promise.then doesn't completely break, but
    // it can get stuck in a weird state where callbacks are pushed into the
    // microtask queue but the queue isn't being flushed, until the browser
    // needs to do some other work, e.g. handle a timer. Therefore we can
    // "force" the microtask queue to be flushed by adding an empty timer.
    if (isIOS) { setTimeout(noop); }
  };
  isUsingMicroTask = true;
} else if (!isIE && typeof MutationObserver !== 'undefined' && (
  isNative(MutationObserver) ||
  // PhantomJS and iOS 7.x
  MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
  // Use MutationObserver where native Promise is not available,
  // e.g. PhantomJS, iOS7, Android 4.4
  // (#6466 MutationObserver is unreliable in IE11)
  var counter = 1;
  var observer = new MutationObserver(flushCallbacks);
  var textNode = document.createTextNode(String(counter));
  observer.observe(textNode, {
    characterData: true
  });
  timerFunc = function () {
    counter = (counter + 1) % 2;
    textNode.data = String(counter);
  };
  isUsingMicroTask = true;
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
  // Fallback to setImmediate.
  // Techinically it leverages the (macro) task queue,
  // but it is still a better choice than setTimeout.
  timerFunc = function () {
    setImmediate(flushCallbacks);
  };
} else {
  // Fallback to setTimeout.
  timerFunc = function () {
    setTimeout(flushCallbacks, 0);
  };
}

function nextTick (cb, ctx) {
  var _resolve;
  callbacks.push(function () {
    if (cb) {
      try {
        cb.call(ctx);
      } catch (e) {
        handleError(e, ctx, 'nextTick');
      }
    } else if (_resolve) {
      _resolve(ctx);
    }
  });
  if (!pending) {
    pending = true;
    timerFunc();
  }
  // $flow-disable-line
  if (!cb && typeof Promise !== 'undefined') {
    return new Promise(function (resolve) {
      _resolve = resolve;
    })
  }
}

/*  */

var mark;
var measure;

{
  var perf = inBrowser && window.performance;
  /* istanbul ignore if */
  if (
    perf &&
    perf.mark &&
    perf.measure &&
    perf.clearMarks &&
    perf.clearMeasures
  ) {
    mark = function (tag) { return perf.mark(tag); };
    measure = function (name, startTag, endTag) {
      perf.measure(name, startTag, endTag);
      perf.clearMarks(startTag);
      perf.clearMarks(endTag);
      // perf.clearMeasures(name)
    };
  }
}

/* not type checking this file because flow doesn't play well with Proxy */

var initProxy;

{
  var allowedGlobals = makeMap(
    'Infinity,undefined,NaN,isFinite,isNaN,' +
    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
    'require' // for Webpack/Browserify
  );

  var warnNonPresent = function (target, key) {
    warn(
      "Property or method \"" + key + "\" is not defined on the instance but " +
      'referenced during render. Make sure that this property is reactive, ' +
      'either in the data option, or for class-based components, by ' +
      'initializing the property. ' +
      'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
      target
    );
  };

  var warnReservedPrefix = function (target, key) {
    warn(
      "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
      'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
      'prevent conflicts with Vue internals' +
      'See: https://vuejs.org/v2/api/#data',
      target
    );
  };

  var hasProxy =
    typeof Proxy !== 'undefined' && isNative(Proxy);

  if (hasProxy) {
    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
    config.keyCodes = new Proxy(config.keyCodes, {
      set: function set (target, key, value) {
        if (isBuiltInModifier(key)) {
          warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
          return false
        } else {
          target[key] = value;
          return true
        }
      }
    });
  }

  var hasHandler = {
    has: function has (target, key) {
      var has = key in target;
      var isAllowed = allowedGlobals(key) ||
        (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
      if (!has && !isAllowed) {
        if (key in target.$data) { warnReservedPrefix(target, key); }
        else { warnNonPresent(target, key); }
      }
      return has || !isAllowed
    }
  };

  var getHandler = {
    get: function get (target, key) {
      if (typeof key === 'string' && !(key in target)) {
        if (key in target.$data) { warnReservedPrefix(target, key); }
        else { warnNonPresent(target, key); }
      }
      return target[key]
    }
  };

  initProxy = function initProxy (vm) {
    if (hasProxy) {
      // determine which proxy handler to use
      var options = vm.$options;
      var handlers = options.render && options.render._withStripped
        ? getHandler
        : hasHandler;
      vm._renderProxy = new Proxy(vm, handlers);
    } else {
      vm._renderProxy = vm;
    }
  };
}

/*  */

var seenObjects = new _Set();

/**
 * Recursively traverse an object to evoke all converted
 * getters, so that every nested property inside the object
 * is collected as a "deep" dependency.
 */
function traverse (val) {
  _traverse(val, seenObjects);
  seenObjects.clear();
}

function _traverse (val, seen) {
  var i, keys;
  var isA = Array.isArray(val);
  if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
    return
  }
  if (val.__ob__) {
    var depId = val.__ob__.dep.id;
    if (seen.has(depId)) {
      return
    }
    seen.add(depId);
  }
  if (isA) {
    i = val.length;
    while (i--) { _traverse(val[i], seen); }
  } else {
    keys = Object.keys(val);
    i = keys.length;
    while (i--) { _traverse(val[keys[i]], seen); }
  }
}

/*  */

var normalizeEvent = cached(function (name) {
  var passive = name.charAt(0) === '&';
  name = passive ? name.slice(1) : name;
  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
  name = once$$1 ? name.slice(1) : name;
  var capture = name.charAt(0) === '!';
  name = capture ? name.slice(1) : name;
  return {
    name: name,
    once: once$$1,
    capture: capture,
    passive: passive
  }
});

function createFnInvoker (fns, vm) {
  function invoker () {
    var arguments$1 = arguments;

    var fns = invoker.fns;
    if (Array.isArray(fns)) {
      var cloned = fns.slice();
      for (var i = 0; i < cloned.length; i++) {
        invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
      }
    } else {
      // return handler return value for single handlers
      return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
    }
  }
  invoker.fns = fns;
  return invoker
}

function updateListeners (
  on,
  oldOn,
  add,
  remove$$1,
  createOnceHandler,
  vm
) {
  var name, def$$1, cur, old, event;
  for (name in on) {
    def$$1 = cur = on[name];
    old = oldOn[name];
    event = normalizeEvent(name);
    if (isUndef(cur)) {
      warn(
        "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
        vm
      );
    } else if (isUndef(old)) {
      if (isUndef(cur.fns)) {
        cur = on[name] = createFnInvoker(cur, vm);
      }
      if (isTrue(event.once)) {
        cur = on[name] = createOnceHandler(event.name, cur, event.capture);
      }
      add(event.name, cur, event.capture, event.passive, event.params);
    } else if (cur !== old) {
      old.fns = cur;
      on[name] = old;
    }
  }
  for (name in oldOn) {
    if (isUndef(on[name])) {
      event = normalizeEvent(name);
      remove$$1(event.name, oldOn[name], event.capture);
    }
  }
}

/*  */

function mergeVNodeHook (def, hookKey, hook) {
  if (def instanceof VNode) {
    def = def.data.hook || (def.data.hook = {});
  }
  var invoker;
  var oldHook = def[hookKey];

  function wrappedHook () {
    hook.apply(this, arguments);
    // important: remove merged hook to ensure it's called only once
    // and prevent memory leak
    remove(invoker.fns, wrappedHook);
  }

  if (isUndef(oldHook)) {
    // no existing hook
    invoker = createFnInvoker([wrappedHook]);
  } else {
    /* istanbul ignore if */
    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
      // already a merged invoker
      invoker = oldHook;
      invoker.fns.push(wrappedHook);
    } else {
      // existing plain hook
      invoker = createFnInvoker([oldHook, wrappedHook]);
    }
  }

  invoker.merged = true;
  def[hookKey] = invoker;
}

/*  */

function extractPropsFromVNodeData (
  data,
  Ctor,
  tag
) {
  // we are only extracting raw values here.
  // validation and default values are handled in the child
  // component itself.
  var propOptions = Ctor.options.props;
  if (isUndef(propOptions)) {
    return
  }
  var res = {};
  var attrs = data.attrs;
  var props = data.props;
  if (isDef(attrs) || isDef(props)) {
    for (var key in propOptions) {
      var altKey = hyphenate(key);
      {
        var keyInLowerCase = key.toLowerCase();
        if (
          key !== keyInLowerCase &&
          attrs && hasOwn(attrs, keyInLowerCase)
        ) {
          tip(
            "Prop \"" + keyInLowerCase + "\" is passed to component " +
            (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
            " \"" + key + "\". " +
            "Note that HTML attributes are case-insensitive and camelCased " +
            "props need to use their kebab-case equivalents when using in-DOM " +
            "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
          );
        }
      }
      checkProp(res, props, key, altKey, true) ||
      checkProp(res, attrs, key, altKey, false);
    }
  }
  return res
}

function checkProp (
  res,
  hash,
  key,
  altKey,
  preserve
) {
  if (isDef(hash)) {
    if (hasOwn(hash, key)) {
      res[key] = hash[key];
      if (!preserve) {
        delete hash[key];
      }
      return true
    } else if (hasOwn(hash, altKey)) {
      res[key] = hash[altKey];
      if (!preserve) {
        delete hash[altKey];
      }
      return true
    }
  }
  return false
}

/*  */

// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:

// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren (children) {
  for (var i = 0; i < children.length; i++) {
    if (Array.isArray(children[i])) {
      return Array.prototype.concat.apply([], children)
    }
  }
  return children
}

// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren (children) {
  return isPrimitive(children)
    ? [createTextVNode(children)]
    : Array.isArray(children)
      ? normalizeArrayChildren(children)
      : undefined
}

function isTextNode (node) {
  return isDef(node) && isDef(node.text) && isFalse(node.isComment)
}

function normalizeArrayChildren (children, nestedIndex) {
  var res = [];
  var i, c, lastIndex, last;
  for (i = 0; i < children.length; i++) {
    c = children[i];
    if (isUndef(c) || typeof c === 'boolean') { continue }
    lastIndex = res.length - 1;
    last = res[lastIndex];
    //  nested
    if (Array.isArray(c)) {
      if (c.length > 0) {
        c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
        // merge adjacent text nodes
        if (isTextNode(c[0]) && isTextNode(last)) {
          res[lastIndex] = createTextVNode(last.text + (c[0]).text);
          c.shift();
        }
        res.push.apply(res, c);
      }
    } else if (isPrimitive(c)) {
      if (isTextNode(last)) {
        // merge adjacent text nodes
        // this is necessary for SSR hydration because text nodes are
        // essentially merged when rendered to HTML strings
        res[lastIndex] = createTextVNode(last.text + c);
      } else if (c !== '') {
        // convert primitive to vnode
        res.push(createTextVNode(c));
      }
    } else {
      if (isTextNode(c) && isTextNode(last)) {
        // merge adjacent text nodes
        res[lastIndex] = createTextVNode(last.text + c.text);
      } else {
        // default key for nested array children (likely generated by v-for)
        if (isTrue(children._isVList) &&
          isDef(c.tag) &&
          isUndef(c.key) &&
          isDef(nestedIndex)) {
          c.key = "__vlist" + nestedIndex + "_" + i + "__";
        }
        res.push(c);
      }
    }
  }
  return res
}

/*  */

function initProvide (vm) {
  var provide = vm.$options.provide;
  if (provide) {
    vm._provided = typeof provide === 'function'
      ? provide.call(vm)
      : provide;
  }
}

function initInjections (vm) {
  var result = resolveInject(vm.$options.inject, vm);
  if (result) {
    toggleObserving(false);
    Object.keys(result).forEach(function (key) {
      /* istanbul ignore else */
      {
        defineReactive$$1(vm, key, result[key], function () {
          warn(
            "Avoid mutating an injected value directly since the changes will be " +
            "overwritten whenever the provided component re-renders. " +
            "injection being mutated: \"" + key + "\"",
            vm
          );
        });
      }
    });
    toggleObserving(true);
  }
}

function resolveInject (inject, vm) {
  if (inject) {
    // inject is :any because flow is not smart enough to figure out cached
    var result = Object.create(null);
    var keys = hasSymbol
      ? Reflect.ownKeys(inject)
      : Object.keys(inject);

    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      // #6574 in case the inject object is observed...
      if (key === '__ob__') { continue }
      var provideKey = inject[key].from;
      var source = vm;
      while (source) {
        if (source._provided && hasOwn(source._provided, provideKey)) {
          result[key] = source._provided[provideKey];
          break
        }
        source = source.$parent;
      }
      if (!source) {
        if ('default' in inject[key]) {
          var provideDefault = inject[key].default;
          result[key] = typeof provideDefault === 'function'
            ? provideDefault.call(vm)
            : provideDefault;
        } else {
          warn(("Injection \"" + key + "\" not found"), vm);
        }
      }
    }
    return result
  }
}

/*  */



/**
 * Runtime helper for resolving raw children VNodes into a slot object.
 */
function resolveSlots (
  children,
  context
) {
  if (!children || !children.length) {
    return {}
  }
  var slots = {};
  for (var i = 0, l = children.length; i < l; i++) {
    var child = children[i];
    var data = child.data;
    // remove slot attribute if the node is resolved as a Vue slot node
    if (data && data.attrs && data.attrs.slot) {
      delete data.attrs.slot;
    }
    // named slots should only be respected if the vnode was rendered in the
    // same context.
    if ((child.context === context || child.fnContext === context) &&
      data && data.slot != null
    ) {
      var name = data.slot;
      var slot = (slots[name] || (slots[name] = []));
      if (child.tag === 'template') {
        slot.push.apply(slot, child.children || []);
      } else {
        slot.push(child);
      }
    } else {
      (slots.default || (slots.default = [])).push(child);
    }
  }
  // ignore slots that contains only whitespace
  for (var name$1 in slots) {
    if (slots[name$1].every(isWhitespace)) {
      delete slots[name$1];
    }
  }
  return slots
}

function isWhitespace (node) {
  return (node.isComment && !node.asyncFactory) || node.text === ' '
}

/*  */

function normalizeScopedSlots (
  slots,
  normalSlots,
  prevSlots
) {
  var res;
  var hasNormalSlots = Object.keys(normalSlots).length > 0;
  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
  var key = slots && slots.$key;
  if (!slots) {
    res = {};
  } else if (slots._normalized) {
    // fast path 1: child component re-render only, parent did not change
    return slots._normalized
  } else if (
    isStable &&
    prevSlots &&
    prevSlots !== emptyObject &&
    key === prevSlots.$key &&
    !hasNormalSlots &&
    !prevSlots.$hasNormal
  ) {
    // fast path 2: stable scoped slots w/ no normal slots to proxy,
    // only need to normalize once
    return prevSlots
  } else {
    res = {};
    for (var key$1 in slots) {
      if (slots[key$1] && key$1[0] !== '$') {
        res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
      }
    }
  }
  // expose normal slots on scopedSlots
  for (var key$2 in normalSlots) {
    if (!(key$2 in res)) {
      res[key$2] = proxyNormalSlot(normalSlots, key$2);
    }
  }
  // avoriaz seems to mock a non-extensible $scopedSlots object
  // and when that is passed down this would cause an error
  if (slots && Object.isExtensible(slots)) {
    (slots)._normalized = res;
  }
  def(res, '$stable', isStable);
  def(res, '$key', key);
  def(res, '$hasNormal', hasNormalSlots);
  return res
}

function normalizeScopedSlot(normalSlots, key, fn) {
  var normalized = function () {
    var res = arguments.length ? fn.apply(null, arguments) : fn({});
    res = res && typeof res === 'object' && !Array.isArray(res)
      ? [res] // single vnode
      : normalizeChildren(res);
    return res && (
      res.length === 0 ||
      (res.length === 1 && res[0].isComment) // #9658
    ) ? undefined
      : res
  };
  // this is a slot using the new v-slot syntax without scope. although it is
  // compiled as a scoped slot, render fn users would expect it to be present
  // on this.$slots because the usage is semantically a normal slot.
  if (fn.proxy) {
    Object.defineProperty(normalSlots, key, {
      get: normalized,
      enumerable: true,
      configurable: true
    });
  }
  return normalized
}

function proxyNormalSlot(slots, key) {
  return function () { return slots[key]; }
}

/*  */

/**
 * Runtime helper for rendering v-for lists.
 */
function renderList (
  val,
  render
) {
  var ret, i, l, keys, key;
  if (Array.isArray(val) || typeof val === 'string') {
    ret = new Array(val.length);
    for (i = 0, l = val.length; i < l; i++) {
      ret[i] = render(val[i], i);
    }
  } else if (typeof val === 'number') {
    ret = new Array(val);
    for (i = 0; i < val; i++) {
      ret[i] = render(i + 1, i);
    }
  } else if (isObject(val)) {
    if (hasSymbol && val[Symbol.iterator]) {
      ret = [];
      var iterator = val[Symbol.iterator]();
      var result = iterator.next();
      while (!result.done) {
        ret.push(render(result.value, ret.length));
        result = iterator.next();
      }
    } else {
      keys = Object.keys(val);
      ret = new Array(keys.length);
      for (i = 0, l = keys.length; i < l; i++) {
        key = keys[i];
        ret[i] = render(val[key], key, i);
      }
    }
  }
  if (!isDef(ret)) {
    ret = [];
  }
  (ret)._isVList = true;
  return ret
}

/*  */

/**
 * Runtime helper for rendering <slot>
 */
function renderSlot (
  name,
  fallback,
  props,
  bindObject
) {
  var scopedSlotFn = this.$scopedSlots[name];
  var nodes;
  if (scopedSlotFn) { // scoped slot
    props = props || {};
    if (bindObject) {
      if (!isObject(bindObject)) {
        warn(
          'slot v-bind without argument expects an Object',
          this
        );
      }
      props = extend(extend({}, bindObject), props);
    }
    nodes = scopedSlotFn(props) || fallback;
  } else {
    nodes = this.$slots[name] || fallback;
  }

  var target = props && props.slot;
  if (target) {
    return this.$createElement('template', { slot: target }, nodes)
  } else {
    return nodes
  }
}

/*  */

/**
 * Runtime helper for resolving filters
 */
function resolveFilter (id) {
  return resolveAsset(this.$options, 'filters', id, true) || identity
}

/*  */

function isKeyNotMatch (expect, actual) {
  if (Array.isArray(expect)) {
    return expect.indexOf(actual) === -1
  } else {
    return expect !== actual
  }
}

/**
 * Runtime helper for checking keyCodes from config.
 * exposed as Vue.prototype._k
 * passing in eventKeyName as last argument separately for backwards compat
 */
function checkKeyCodes (
  eventKeyCode,
  key,
  builtInKeyCode,
  eventKeyName,
  builtInKeyName
) {
  var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
    return isKeyNotMatch(builtInKeyName, eventKeyName)
  } else if (mappedKeyCode) {
    return isKeyNotMatch(mappedKeyCode, eventKeyCode)
  } else if (eventKeyName) {
    return hyphenate(eventKeyName) !== key
  }
}

/*  */

/**
 * Runtime helper for merging v-bind="object" into a VNode's data.
 */
function bindObjectProps (
  data,
  tag,
  value,
  asProp,
  isSync
) {
  if (value) {
    if (!isObject(value)) {
      warn(
        'v-bind without argument expects an Object or Array value',
        this
      );
    } else {
      if (Array.isArray(value)) {
        value = toObject(value);
      }
      var hash;
      var loop = function ( key ) {
        if (
          key === 'class' ||
          key === 'style' ||
          isReservedAttribute(key)
        ) {
          hash = data;
        } else {
          var type = data.attrs && data.attrs.type;
          hash = asProp || config.mustUseProp(tag, type, key)
            ? data.domProps || (data.domProps = {})
            : data.attrs || (data.attrs = {});
        }
        var camelizedKey = camelize(key);
        var hyphenatedKey = hyphenate(key);
        if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
          hash[key] = value[key];

          if (isSync) {
            var on = data.on || (data.on = {});
            on[("update:" + key)] = function ($event) {
              value[key] = $event;
            };
          }
        }
      };

      for (var key in value) loop( key );
    }
  }
  return data
}

/*  */

/**
 * Runtime helper for rendering static trees.
 */
function renderStatic (
  index,
  isInFor
) {
  var cached = this._staticTrees || (this._staticTrees = []);
  var tree = cached[index];
  // if has already-rendered static tree and not inside v-for,
  // we can reuse the same tree.
  if (tree && !isInFor) {
    return tree
  }
  // otherwise, render a fresh tree.
  tree = cached[index] = this.$options.staticRenderFns[index].call(
    this._renderProxy,
    null,
    this // for render fns generated for functional component templates
  );
  markStatic(tree, ("__static__" + index), false);
  return tree
}

/**
 * Runtime helper for v-once.
 * Effectively it means marking the node as static with a unique key.
 */
function markOnce (
  tree,
  index,
  key
) {
  markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
  return tree
}

function markStatic (
  tree,
  key,
  isOnce
) {
  if (Array.isArray(tree)) {
    for (var i = 0; i < tree.length; i++) {
      if (tree[i] && typeof tree[i] !== 'string') {
        markStaticNode(tree[i], (key + "_" + i), isOnce);
      }
    }
  } else {
    markStaticNode(tree, key, isOnce);
  }
}

function markStaticNode (node, key, isOnce) {
  node.isStatic = true;
  node.key = key;
  node.isOnce = isOnce;
}

/*  */

function bindObjectListeners (data, value) {
  if (value) {
    if (!isPlainObject(value)) {
      warn(
        'v-on without argument expects an Object value',
        this
      );
    } else {
      var on = data.on = data.on ? extend({}, data.on) : {};
      for (var key in value) {
        var existing = on[key];
        var ours = value[key];
        on[key] = existing ? [].concat(existing, ours) : ours;
      }
    }
  }
  return data
}

/*  */

function resolveScopedSlots (
  fns, // see flow/vnode
  res,
  // the following are added in 2.6
  hasDynamicKeys,
  contentHashKey
) {
  res = res || { $stable: !hasDynamicKeys };
  for (var i = 0; i < fns.length; i++) {
    var slot = fns[i];
    if (Array.isArray(slot)) {
      resolveScopedSlots(slot, res, hasDynamicKeys);
    } else if (slot) {
      // marker for reverse proxying v-slot without scope on this.$slots
      if (slot.proxy) {
        slot.fn.proxy = true;
      }
      res[slot.key] = slot.fn;
    }
  }
  if (contentHashKey) {
    (res).$key = contentHashKey;
  }
  return res
}

/*  */

function bindDynamicKeys (baseObj, values) {
  for (var i = 0; i < values.length; i += 2) {
    var key = values[i];
    if (typeof key === 'string' && key) {
      baseObj[values[i]] = values[i + 1];
    } else if (key !== '' && key !== null) {
      // null is a speical value for explicitly removing a binding
      warn(
        ("Invalid value for dynamic directive argument (expected string or null): " + key),
        this
      );
    }
  }
  return baseObj
}

// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier (value, symbol) {
  return typeof value === 'string' ? symbol + value : value
}

/*  */

function installRenderHelpers (target) {
  target._o = markOnce;
  target._n = toNumber;
  target._s = toString;
  target._l = renderList;
  target._t = renderSlot;
  target._q = looseEqual;
  target._i = looseIndexOf;
  target._m = renderStatic;
  target._f = resolveFilter;
  target._k = checkKeyCodes;
  target._b = bindObjectProps;
  target._v = createTextVNode;
  target._e = createEmptyVNode;
  target._u = resolveScopedSlots;
  target._g = bindObjectListeners;
  target._d = bindDynamicKeys;
  target._p = prependModifier;
}

/*  */

function FunctionalRenderContext (
  data,
  props,
  children,
  parent,
  Ctor
) {
  var this$1 = this;

  var options = Ctor.options;
  // ensure the createElement function in functional components
  // gets a unique context - this is necessary for correct named slot check
  var contextVm;
  if (hasOwn(parent, '_uid')) {
    contextVm = Object.create(parent);
    // $flow-disable-line
    contextVm._original = parent;
  } else {
    // the context vm passed in is a functional context as well.
    // in this case we want to make sure we are able to get a hold to the
    // real context instance.
    contextVm = parent;
    // $flow-disable-line
    parent = parent._original;
  }
  var isCompiled = isTrue(options._compiled);
  var needNormalization = !isCompiled;

  this.data = data;
  this.props = props;
  this.children = children;
  this.parent = parent;
  this.listeners = data.on || emptyObject;
  this.injections = resolveInject(options.inject, parent);
  this.slots = function () {
    if (!this$1.$slots) {
      normalizeScopedSlots(
        data.scopedSlots,
        this$1.$slots = resolveSlots(children, parent)
      );
    }
    return this$1.$slots
  };

  Object.defineProperty(this, 'scopedSlots', ({
    enumerable: true,
    get: function get () {
      return normalizeScopedSlots(data.scopedSlots, this.slots())
    }
  }));

  // support for compiled functional template
  if (isCompiled) {
    // exposing $options for renderStatic()
    this.$options = options;
    // pre-resolve slots for renderSlot()
    this.$slots = this.slots();
    this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
  }

  if (options._scopeId) {
    this._c = function (a, b, c, d) {
      var vnode = createElement(contextVm, a, b, c, d, needNormalization);
      if (vnode && !Array.isArray(vnode)) {
        vnode.fnScopeId = options._scopeId;
        vnode.fnContext = parent;
      }
      return vnode
    };
  } else {
    this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
  }
}

installRenderHelpers(FunctionalRenderContext.prototype);

function createFunctionalComponent (
  Ctor,
  propsData,
  data,
  contextVm,
  children
) {
  var options = Ctor.options;
  var props = {};
  var propOptions = options.props;
  if (isDef(propOptions)) {
    for (var key in propOptions) {
      props[key] = validateProp(key, propOptions, propsData || emptyObject);
    }
  } else {
    if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
    if (isDef(data.props)) { mergeProps(props, data.props); }
  }

  var renderContext = new FunctionalRenderContext(
    data,
    props,
    children,
    contextVm,
    Ctor
  );

  var vnode = options.render.call(null, renderContext._c, renderContext);

  if (vnode instanceof VNode) {
    return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
  } else if (Array.isArray(vnode)) {
    var vnodes = normalizeChildren(vnode) || [];
    var res = new Array(vnodes.length);
    for (var i = 0; i < vnodes.length; i++) {
      res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
    }
    return res
  }
}

function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
  // #7817 clone node before setting fnContext, otherwise if the node is reused
  // (e.g. it was from a cached normal slot) the fnContext causes named slots
  // that should not be matched to match.
  var clone = cloneVNode(vnode);
  clone.fnContext = contextVm;
  clone.fnOptions = options;
  {
    (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
  }
  if (data.slot) {
    (clone.data || (clone.data = {})).slot = data.slot;
  }
  return clone
}

function mergeProps (to, from) {
  for (var key in from) {
    to[camelize(key)] = from[key];
  }
}

/*  */

/*  */

/*  */

/*  */

// inline hooks to be invoked on component VNodes during patch
var componentVNodeHooks = {
  init: function init (vnode, hydrating) {
    if (
      vnode.componentInstance &&
      !vnode.componentInstance._isDestroyed &&
      vnode.data.keepAlive
    ) {
      // kept-alive components, treat as a patch
      var mountedNode = vnode; // work around flow
      componentVNodeHooks.prepatch(mountedNode, mountedNode);
    } else {
      var child = vnode.componentInstance = createComponentInstanceForVnode(
        vnode,
        activeInstance
      );
      child.$mount(hydrating ? vnode.elm : undefined, hydrating);
    }
  },

  prepatch: function prepatch (oldVnode, vnode) {
    var options = vnode.componentOptions;
    var child = vnode.componentInstance = oldVnode.componentInstance;
    updateChildComponent(
      child,
      options.propsData, // updated props
      options.listeners, // updated listeners
      vnode, // new parent vnode
      options.children // new children
    );
  },

  insert: function insert (vnode) {
    var context = vnode.context;
    var componentInstance = vnode.componentInstance;
    if (!componentInstance._isMounted) {
      componentInstance._isMounted = true;
      callHook(componentInstance, 'mounted');
    }
    if (vnode.data.keepAlive) {
      if (context._isMounted) {
        // vue-router#1212
        // During updates, a kept-alive component's child components may
        // change, so directly walking the tree here may call activated hooks
        // on incorrect children. Instead we push them into a queue which will
        // be processed after the whole patch process ended.
        queueActivatedComponent(componentInstance);
      } else {
        activateChildComponent(componentInstance, true /* direct */);
      }
    }
  },

  destroy: function destroy (vnode) {
    var componentInstance = vnode.componentInstance;
    if (!componentInstance._isDestroyed) {
      if (!vnode.data.keepAlive) {
        componentInstance.$destroy();
      } else {
        deactivateChildComponent(componentInstance, true /* direct */);
      }
    }
  }
};

var hooksToMerge = Object.keys(componentVNodeHooks);

function createComponent (
  Ctor,
  data,
  context,
  children,
  tag
) {
  if (isUndef(Ctor)) {
    return
  }

  var baseCtor = context.$options._base;

  // plain options object: turn it into a constructor
  if (isObject(Ctor)) {
    Ctor = baseCtor.extend(Ctor);
  }

  // if at this stage it's not a constructor or an async component factory,
  // reject.
  if (typeof Ctor !== 'function') {
    {
      warn(("Invalid Component definition: " + (String(Ctor))), context);
    }
    return
  }

  // async component
  var asyncFactory;
  if (isUndef(Ctor.cid)) {
    asyncFactory = Ctor;
    Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
    if (Ctor === undefined) {
      // return a placeholder node for async component, which is rendered
      // as a comment node but preserves all the raw information for the node.
      // the information will be used for async server-rendering and hydration.
      return createAsyncPlaceholder(
        asyncFactory,
        data,
        context,
        children,
        tag
      )
    }
  }

  data = data || {};

  // resolve constructor options in case global mixins are applied after
  // component constructor creation
  resolveConstructorOptions(Ctor);

  // transform component v-model data into props & events
  if (isDef(data.model)) {
    transformModel(Ctor.options, data);
  }

  // extract props
  var propsData = extractPropsFromVNodeData(data, Ctor, tag);

  // functional component
  if (isTrue(Ctor.options.functional)) {
    return createFunctionalComponent(Ctor, propsData, data, context, children)
  }

  // extract listeners, since these needs to be treated as
  // child component listeners instead of DOM listeners
  var listeners = data.on;
  // replace with listeners with .native modifier
  // so it gets processed during parent component patch.
  data.on = data.nativeOn;

  if (isTrue(Ctor.options.abstract)) {
    // abstract components do not keep anything
    // other than props & listeners & slot

    // work around flow
    var slot = data.slot;
    data = {};
    if (slot) {
      data.slot = slot;
    }
  }

  // install component management hooks onto the placeholder node
  installComponentHooks(data);

  // return a placeholder vnode
  var name = Ctor.options.name || tag;
  var vnode = new VNode(
    ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
    data, undefined, undefined, undefined, context,
    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
    asyncFactory
  );

  return vnode
}

function createComponentInstanceForVnode (
  vnode, // we know it's MountedComponentVNode but flow doesn't
  parent // activeInstance in lifecycle state
) {
  var options = {
    _isComponent: true,
    _parentVnode: vnode,
    parent: parent
  };
  // check inline-template render functions
  var inlineTemplate = vnode.data.inlineTemplate;
  if (isDef(inlineTemplate)) {
    options.render = inlineTemplate.render;
    options.staticRenderFns = inlineTemplate.staticRenderFns;
  }
  return new vnode.componentOptions.Ctor(options)
}

function installComponentHooks (data) {
  var hooks = data.hook || (data.hook = {});
  for (var i = 0; i < hooksToMerge.length; i++) {
    var key = hooksToMerge[i];
    var existing = hooks[key];
    var toMerge = componentVNodeHooks[key];
    if (existing !== toMerge && !(existing && existing._merged)) {
      hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
    }
  }
}

function mergeHook$1 (f1, f2) {
  var merged = function (a, b) {
    // flow complains about extra args which is why we use any
    f1(a, b);
    f2(a, b);
  };
  merged._merged = true;
  return merged
}

// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel (options, data) {
  var prop = (options.model && options.model.prop) || 'value';
  var event = (options.model && options.model.event) || 'input'
  ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
  var on = data.on || (data.on = {});
  var existing = on[event];
  var callback = data.model.callback;
  if (isDef(existing)) {
    if (
      Array.isArray(existing)
        ? existing.indexOf(callback) === -1
        : existing !== callback
    ) {
      on[event] = [callback].concat(existing);
    }
  } else {
    on[event] = callback;
  }
}

/*  */

var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2;

// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
  context,
  tag,
  data,
  children,
  normalizationType,
  alwaysNormalize
) {
  if (Array.isArray(data) || isPrimitive(data)) {
    normalizationType = children;
    children = data;
    data = undefined;
  }
  if (isTrue(alwaysNormalize)) {
    normalizationType = ALWAYS_NORMALIZE;
  }
  return _createElement(context, tag, data, children, normalizationType)
}

function _createElement (
  context,
  tag,
  data,
  children,
  normalizationType
) {
  if (isDef(data) && isDef((data).__ob__)) {
    warn(
      "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
      'Always create fresh vnode data objects in each render!',
      context
    );
    return createEmptyVNode()
  }
  // object syntax in v-bind
  if (isDef(data) && isDef(data.is)) {
    tag = data.is;
  }
  if (!tag) {
    // in case of component :is set to falsy value
    return createEmptyVNode()
  }
  // warn against non-primitive key
  if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
  ) {
    {
      warn(
        'Avoid using non-primitive value as key, ' +
        'use string/number value instead.',
        context
      );
    }
  }
  // support single function children as default scoped slot
  if (Array.isArray(children) &&
    typeof children[0] === 'function'
  ) {
    data = data || {};
    data.scopedSlots = { default: children[0] };
    children.length = 0;
  }
  if (normalizationType === ALWAYS_NORMALIZE) {
    children = normalizeChildren(children);
  } else if (normalizationType === SIMPLE_NORMALIZE) {
    children = simpleNormalizeChildren(children);
  }
  var vnode, ns;
  if (typeof tag === 'string') {
    var Ctor;
    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
    if (config.isReservedTag(tag)) {
      // platform built-in elements
      vnode = new VNode(
        config.parsePlatformTagName(tag), data, children,
        undefined, undefined, context
      );
    } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
      // component
      vnode = createComponent(Ctor, data, context, children, tag);
    } else {
      // unknown or unlisted namespaced elements
      // check at runtime because it may get assigned a namespace when its
      // parent normalizes children
      vnode = new VNode(
        tag, data, children,
        undefined, undefined, context
      );
    }
  } else {
    // direct component options / constructor
    vnode = createComponent(tag, data, context, children);
  }
  if (Array.isArray(vnode)) {
    return vnode
  } else if (isDef(vnode)) {
    if (isDef(ns)) { applyNS(vnode, ns); }
    if (isDef(data)) { registerDeepBindings(data); }
    return vnode
  } else {
    return createEmptyVNode()
  }
}

function applyNS (vnode, ns, force) {
  vnode.ns = ns;
  if (vnode.tag === 'foreignObject') {
    // use default namespace inside foreignObject
    ns = undefined;
    force = true;
  }
  if (isDef(vnode.children)) {
    for (var i = 0, l = vnode.children.length; i < l; i++) {
      var child = vnode.children[i];
      if (isDef(child.tag) && (
        isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
        applyNS(child, ns, force);
      }
    }
  }
}

// ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes
function registerDeepBindings (data) {
  if (isObject(data.style)) {
    traverse(data.style);
  }
  if (isObject(data.class)) {
    traverse(data.class);
  }
}

/*  */

function initRender (vm) {
  vm._vnode = null; // the root of the child tree
  vm._staticTrees = null; // v-once cached trees
  var options = vm.$options;
  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
  var renderContext = parentVnode && parentVnode.context;
  vm.$slots = resolveSlots(options._renderChildren, renderContext);
  vm.$scopedSlots = emptyObject;
  // bind the createElement fn to this instance
  // so that we get proper render context inside it.
  // args order: tag, data, children, normalizationType, alwaysNormalize
  // internal version is used by render functions compiled from templates
  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
  // normalization is always applied for the public version, used in
  // user-written render functions.
  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };

  // $attrs & $listeners are exposed for easier HOC creation.
  // they need to be reactive so that HOCs using them are always updated
  var parentData = parentVnode && parentVnode.data;

  /* istanbul ignore else */
  {
    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
      !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
    }, true);
    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
      !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
    }, true);
  }
}

var currentRenderingInstance = null;

function renderMixin (Vue) {
  // install runtime convenience helpers
  installRenderHelpers(Vue.prototype);

  Vue.prototype.$nextTick = function (fn) {
    return nextTick(fn, this)
  };

  Vue.prototype._render = function () {
    var vm = this;
    var ref = vm.$options;
    var render = ref.render;
    var _parentVnode = ref._parentVnode;

    if (_parentVnode) {
      vm.$scopedSlots = normalizeScopedSlots(
        _parentVnode.data.scopedSlots,
        vm.$slots,
        vm.$scopedSlots
      );
    }

    // set parent vnode. this allows render functions to have access
    // to the data on the placeholder node.
    vm.$vnode = _parentVnode;
    // render self
    var vnode;
    try {
      // There's no need to maintain a stack becaues all render fns are called
      // separately from one another. Nested component's render fns are called
      // when parent component is patched.
      currentRenderingInstance = vm;
      vnode = render.call(vm._renderProxy, vm.$createElement);
    } catch (e) {
      handleError(e, vm, "render");
      // return error render result,
      // or previous vnode to prevent render error causing blank component
      /* istanbul ignore else */
      if (vm.$options.renderError) {
        try {
          vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
        } catch (e) {
          handleError(e, vm, "renderError");
          vnode = vm._vnode;
        }
      } else {
        vnode = vm._vnode;
      }
    } finally {
      currentRenderingInstance = null;
    }
    // if the returned array contains only a single node, allow it
    if (Array.isArray(vnode) && vnode.length === 1) {
      vnode = vnode[0];
    }
    // return empty vnode in case the render function errored out
    if (!(vnode instanceof VNode)) {
      if (Array.isArray(vnode)) {
        warn(
          'Multiple root nodes returned from render function. Render function ' +
          'should return a single root node.',
          vm
        );
      }
      vnode = createEmptyVNode();
    }
    // set parent
    vnode.parent = _parentVnode;
    return vnode
  };
}

/*  */

function ensureCtor (comp, base) {
  if (
    comp.__esModule ||
    (hasSymbol && comp[Symbol.toStringTag] === 'Module')
  ) {
    comp = comp.default;
  }
  return isObject(comp)
    ? base.extend(comp)
    : comp
}

function createAsyncPlaceholder (
  factory,
  data,
  context,
  children,
  tag
) {
  var node = createEmptyVNode();
  node.asyncFactory = factory;
  node.asyncMeta = { data: data, context: context, children: children, tag: tag };
  return node
}

function resolveAsyncComponent (
  factory,
  baseCtor
) {
  if (isTrue(factory.error) && isDef(factory.errorComp)) {
    return factory.errorComp
  }

  if (isDef(factory.resolved)) {
    return factory.resolved
  }

  var owner = currentRenderingInstance;
  if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
    // already pending
    factory.owners.push(owner);
  }

  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
    return factory.loadingComp
  }

  if (owner && !isDef(factory.owners)) {
    var owners = factory.owners = [owner];
    var sync = true;
    var timerLoading = null;
    var timerTimeout = null

    ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });

    var forceRender = function (renderCompleted) {
      for (var i = 0, l = owners.length; i < l; i++) {
        (owners[i]).$forceUpdate();
      }

      if (renderCompleted) {
        owners.length = 0;
        if (timerLoading !== null) {
          clearTimeout(timerLoading);
          timerLoading = null;
        }
        if (timerTimeout !== null) {
          clearTimeout(timerTimeout);
          timerTimeout = null;
        }
      }
    };

    var resolve = once(function (res) {
      // cache resolved
      factory.resolved = ensureCtor(res, baseCtor);
      // invoke callbacks only if this is not a synchronous resolve
      // (async resolves are shimmed as synchronous during SSR)
      if (!sync) {
        forceRender(true);
      } else {
        owners.length = 0;
      }
    });

    var reject = once(function (reason) {
      warn(
        "Failed to resolve async component: " + (String(factory)) +
        (reason ? ("\nReason: " + reason) : '')
      );
      if (isDef(factory.errorComp)) {
        factory.error = true;
        forceRender(true);
      }
    });

    var res = factory(resolve, reject);

    if (isObject(res)) {
      if (isPromise(res)) {
        // () => Promise
        if (isUndef(factory.resolved)) {
          res.then(resolve, reject);
        }
      } else if (isPromise(res.component)) {
        res.component.then(resolve, reject);

        if (isDef(res.error)) {
          factory.errorComp = ensureCtor(res.error, baseCtor);
        }

        if (isDef(res.loading)) {
          factory.loadingComp = ensureCtor(res.loading, baseCtor);
          if (res.delay === 0) {
            factory.loading = true;
          } else {
            timerLoading = setTimeout(function () {
              timerLoading = null;
              if (isUndef(factory.resolved) && isUndef(factory.error)) {
                factory.loading = true;
                forceRender(false);
              }
            }, res.delay || 200);
          }
        }

        if (isDef(res.timeout)) {
          timerTimeout = setTimeout(function () {
            timerTimeout = null;
            if (isUndef(factory.resolved)) {
              reject(
                "timeout (" + (res.timeout) + "ms)"
              );
            }
          }, res.timeout);
        }
      }
    }

    sync = false;
    // return in case resolved synchronously
    return factory.loading
      ? factory.loadingComp
      : factory.resolved
  }
}

/*  */

function isAsyncPlaceholder (node) {
  return node.isComment && node.asyncFactory
}

/*  */

function getFirstComponentChild (children) {
  if (Array.isArray(children)) {
    for (var i = 0; i < children.length; i++) {
      var c = children[i];
      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
        return c
      }
    }
  }
}

/*  */

/*  */

function initEvents (vm) {
  vm._events = Object.create(null);
  vm._hasHookEvent = false;
  // init parent attached events
  var listeners = vm.$options._parentListeners;
  if (listeners) {
    updateComponentListeners(vm, listeners);
  }
}

var target;

function add (event, fn) {
  target.$on(event, fn);
}

function remove$1 (event, fn) {
  target.$off(event, fn);
}

function createOnceHandler (event, fn) {
  var _target = target;
  return function onceHandler () {
    var res = fn.apply(null, arguments);
    if (res !== null) {
      _target.$off(event, onceHandler);
    }
  }
}

function updateComponentListeners (
  vm,
  listeners,
  oldListeners
) {
  target = vm;
  updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
  target = undefined;
}

function eventsMixin (Vue) {
  var hookRE = /^hook:/;
  Vue.prototype.$on = function (event, fn) {
    var vm = this;
    if (Array.isArray(event)) {
      for (var i = 0, l = event.length; i < l; i++) {
        vm.$on(event[i], fn);
      }
    } else {
      (vm._events[event] || (vm._events[event] = [])).push(fn);
      // optimize hook:event cost by using a boolean flag marked at registration
      // instead of a hash lookup
      if (hookRE.test(event)) {
        vm._hasHookEvent = true;
      }
    }
    return vm
  };

  Vue.prototype.$once = function (event, fn) {
    var vm = this;
    function on () {
      vm.$off(event, on);
      fn.apply(vm, arguments);
    }
    on.fn = fn;
    vm.$on(event, on);
    return vm
  };

  Vue.prototype.$off = function (event, fn) {
    var vm = this;
    // all
    if (!arguments.length) {
      vm._events = Object.create(null);
      return vm
    }
    // array of events
    if (Array.isArray(event)) {
      for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
        vm.$off(event[i$1], fn);
      }
      return vm
    }
    // specific event
    var cbs = vm._events[event];
    if (!cbs) {
      return vm
    }
    if (!fn) {
      vm._events[event] = null;
      return vm
    }
    // specific handler
    var cb;
    var i = cbs.length;
    while (i--) {
      cb = cbs[i];
      if (cb === fn || cb.fn === fn) {
        cbs.splice(i, 1);
        break
      }
    }
    return vm
  };

  Vue.prototype.$emit = function (event) {
    var vm = this;
    {
      var lowerCaseEvent = event.toLowerCase();
      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
        tip(
          "Event \"" + lowerCaseEvent + "\" is emitted in component " +
          (formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
          "Note that HTML attributes are case-insensitive and you cannot use " +
          "v-on to listen to camelCase events when using in-DOM templates. " +
          "You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
        );
      }
    }
    var cbs = vm._events[event];
    if (cbs) {
      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
      var args = toArray(arguments, 1);
      var info = "event handler for \"" + event + "\"";
      for (var i = 0, l = cbs.length; i < l; i++) {
        invokeWithErrorHandling(cbs[i], vm, args, vm, info);
      }
    }
    return vm
  };
}

/*  */

var activeInstance = null;
var isUpdatingChildComponent = false;

function setActiveInstance(vm) {
  var prevActiveInstance = activeInstance;
  activeInstance = vm;
  return function () {
    activeInstance = prevActiveInstance;
  }
}

function initLifecycle (vm) {
  var options = vm.$options;

  // locate first non-abstract parent
  var parent = options.parent;
  if (parent && !options.abstract) {
    while (parent.$options.abstract && parent.$parent) {
      parent = parent.$parent;
    }
    parent.$children.push(vm);
  }

  vm.$parent = parent;
  vm.$root = parent ? parent.$root : vm;

  vm.$children = [];
  vm.$refs = {};

  vm._watcher = null;
  vm._inactive = null;
  vm._directInactive = false;
  vm._isMounted = false;
  vm._isDestroyed = false;
  vm._isBeingDestroyed = false;
}

function lifecycleMixin (Vue) {
  Vue.prototype._update = function (vnode, hydrating) {
    var vm = this;
    var prevEl = vm.$el;
    var prevVnode = vm._vnode;
    var restoreActiveInstance = setActiveInstance(vm);
    vm._vnode = vnode;
    // Vue.prototype.__patch__ is injected in entry points
    // based on the rendering backend used.
    if (!prevVnode) {
      // initial render
      vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
    } else {
      // updates
      vm.$el = vm.__patch__(prevVnode, vnode);
    }
    restoreActiveInstance();
    // update __vue__ reference
    if (prevEl) {
      prevEl.__vue__ = null;
    }
    if (vm.$el) {
      vm.$el.__vue__ = vm;
    }
    // if parent is an HOC, update its $el as well
    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
      vm.$parent.$el = vm.$el;
    }
    // updated hook is called by the scheduler to ensure that children are
    // updated in a parent's updated hook.
  };

  Vue.prototype.$forceUpdate = function () {
    var vm = this;
    if (vm._watcher) {
      vm._watcher.update();
    }
  };

  Vue.prototype.$destroy = function () {
    var vm = this;
    if (vm._isBeingDestroyed) {
      return
    }
    callHook(vm, 'beforeDestroy');
    vm._isBeingDestroyed = true;
    // remove self from parent
    var parent = vm.$parent;
    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
      remove(parent.$children, vm);
    }
    // teardown watchers
    if (vm._watcher) {
      vm._watcher.teardown();
    }
    var i = vm._watchers.length;
    while (i--) {
      vm._watchers[i].teardown();
    }
    // remove reference from data ob
    // frozen object may not have observer.
    if (vm._data.__ob__) {
      vm._data.__ob__.vmCount--;
    }
    // call the last hook...
    vm._isDestroyed = true;
    // invoke destroy hooks on current rendered tree
    vm.__patch__(vm._vnode, null);
    // fire destroyed hook
    callHook(vm, 'destroyed');
    // turn off all instance listeners.
    vm.$off();
    // remove __vue__ reference
    if (vm.$el) {
      vm.$el.__vue__ = null;
    }
    // release circular reference (#6759)
    if (vm.$vnode) {
      vm.$vnode.parent = null;
    }
  };
}

function mountComponent (
  vm,
  el,
  hydrating
) {
  vm.$el = el;
  if (!vm.$options.render) {
    vm.$options.render = createEmptyVNode;
    {
      /* istanbul ignore if */
      if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
        vm.$options.el || el) {
        warn(
          'You are using the runtime-only build of Vue where the template ' +
          'compiler is not available. Either pre-compile the templates into ' +
          'render functions, or use the compiler-included build.',
          vm
        );
      } else {
        warn(
          'Failed to mount component: template or render function not defined.',
          vm
        );
      }
    }
  }
  callHook(vm, 'beforeMount');

  var updateComponent;
  /* istanbul ignore if */
  if (config.performance && mark) {
    updateComponent = function () {
      var name = vm._name;
      var id = vm._uid;
      var startTag = "vue-perf-start:" + id;
      var endTag = "vue-perf-end:" + id;

      mark(startTag);
      var vnode = vm._render();
      mark(endTag);
      measure(("vue " + name + " render"), startTag, endTag);

      mark(startTag);
      vm._update(vnode, hydrating);
      mark(endTag);
      measure(("vue " + name + " patch"), startTag, endTag);
    };
  } else {
    updateComponent = function () {
      vm._update(vm._render(), hydrating);
    };
  }

  // we set this to vm._watcher inside the watcher's constructor
  // since the watcher's initial patch may call $forceUpdate (e.g. inside child
  // component's mounted hook), which relies on vm._watcher being already defined
  new Watcher(vm, updateComponent, noop, {
    before: function before () {
      if (vm._isMounted && !vm._isDestroyed) {
        callHook(vm, 'beforeUpdate');
      }
    }
  }, true /* isRenderWatcher */);
  hydrating = false;

  // manually mounted instance, call mounted on self
  // mounted is called for render-created child components in its inserted hook
  if (vm.$vnode == null) {
    vm._isMounted = true;
    callHook(vm, 'mounted');
  }
  return vm
}

function updateChildComponent (
  vm,
  propsData,
  listeners,
  parentVnode,
  renderChildren
) {
  {
    isUpdatingChildComponent = true;
  }

  // determine whether component has slot children
  // we need to do this before overwriting $options._renderChildren.

  // check if there are dynamic scopedSlots (hand-written or compiled but with
  // dynamic slot names). Static scoped slots compiled from template has the
  // "$stable" marker.
  var newScopedSlots = parentVnode.data.scopedSlots;
  var oldScopedSlots = vm.$scopedSlots;
  var hasDynamicScopedSlot = !!(
    (newScopedSlots && !newScopedSlots.$stable) ||
    (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
    (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)
  );

  // Any static slot children from the parent may have changed during parent's
  // update. Dynamic scoped slots may also have changed. In such cases, a forced
  // update is necessary to ensure correctness.
  var needsForceUpdate = !!(
    renderChildren ||               // has new static slots
    vm.$options._renderChildren ||  // has old static slots
    hasDynamicScopedSlot
  );

  vm.$options._parentVnode = parentVnode;
  vm.$vnode = parentVnode; // update vm's placeholder node without re-render

  if (vm._vnode) { // update child tree's parent
    vm._vnode.parent = parentVnode;
  }
  vm.$options._renderChildren = renderChildren;

  // update $attrs and $listeners hash
  // these are also reactive so they may trigger child update if the child
  // used them during render
  vm.$attrs = parentVnode.data.attrs || emptyObject;
  vm.$listeners = listeners || emptyObject;

  // update props
  if (propsData && vm.$options.props) {
    toggleObserving(false);
    var props = vm._props;
    var propKeys = vm.$options._propKeys || [];
    for (var i = 0; i < propKeys.length; i++) {
      var key = propKeys[i];
      var propOptions = vm.$options.props; // wtf flow?
      props[key] = validateProp(key, propOptions, propsData, vm);
    }
    toggleObserving(true);
    // keep a copy of raw propsData
    vm.$options.propsData = propsData;
  }

  // update listeners
  listeners = listeners || emptyObject;
  var oldListeners = vm.$options._parentListeners;
  vm.$options._parentListeners = listeners;
  updateComponentListeners(vm, listeners, oldListeners);

  // resolve slots + force update if has children
  if (needsForceUpdate) {
    vm.$slots = resolveSlots(renderChildren, parentVnode.context);
    vm.$forceUpdate();
  }

  {
    isUpdatingChildComponent = false;
  }
}

function isInInactiveTree (vm) {
  while (vm && (vm = vm.$parent)) {
    if (vm._inactive) { return true }
  }
  return false
}

function activateChildComponent (vm, direct) {
  if (direct) {
    vm._directInactive = false;
    if (isInInactiveTree(vm)) {
      return
    }
  } else if (vm._directInactive) {
    return
  }
  if (vm._inactive || vm._inactive === null) {
    vm._inactive = false;
    for (var i = 0; i < vm.$children.length; i++) {
      activateChildComponent(vm.$children[i]);
    }
    callHook(vm, 'activated');
  }
}

function deactivateChildComponent (vm, direct) {
  if (direct) {
    vm._directInactive = true;
    if (isInInactiveTree(vm)) {
      return
    }
  }
  if (!vm._inactive) {
    vm._inactive = true;
    for (var i = 0; i < vm.$children.length; i++) {
      deactivateChildComponent(vm.$children[i]);
    }
    callHook(vm, 'deactivated');
  }
}

function callHook (vm, hook) {
  // #7573 disable dep collection when invoking lifecycle hooks
  pushTarget();
  var handlers = vm.$options[hook];
  var info = hook + " hook";
  if (handlers) {
    for (var i = 0, j = handlers.length; i < j; i++) {
      invokeWithErrorHandling(handlers[i], vm, null, vm, info);
    }
  }
  if (vm._hasHookEvent) {
    vm.$emit('hook:' + hook);
  }
  popTarget();
}

/*  */

var MAX_UPDATE_COUNT = 100;

var queue = [];
var activatedChildren = [];
var has = {};
var circular = {};
var waiting = false;
var flushing = false;
var index = 0;

/**
 * Reset the scheduler's state.
 */
function resetSchedulerState () {
  index = queue.length = activatedChildren.length = 0;
  has = {};
  {
    circular = {};
  }
  waiting = flushing = false;
}

// Async edge case #6566 requires saving the timestamp when event listeners are
// attached. However, calling performance.now() has a perf overhead especially
// if the page has thousands of event listeners. Instead, we take a timestamp
// every time the scheduler flushes and use that for all event listeners
// attached during that flush.
var currentFlushTimestamp = 0;

// Async edge case fix requires storing an event listener's attach timestamp.
var getNow = Date.now;

// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
  var performance = window.performance;
  if (
    performance &&
    typeof performance.now === 'function' &&
    getNow() > document.createEvent('Event').timeStamp
  ) {
    // if the event timestamp, although evaluated AFTER the Date.now(), is
    // smaller than it, it means the event is using a hi-res timestamp,
    // and we need to use the hi-res version for event listener timestamps as
    // well.
    getNow = function () { return performance.now(); };
  }
}

/**
 * Flush both queues and run the watchers.
 */
function flushSchedulerQueue () {
  currentFlushTimestamp = getNow();
  flushing = true;
  var watcher, id;

  // Sort queue before flush.
  // This ensures that:
  // 1. Components are updated from parent to child. (because parent is always
  //    created before the child)
  // 2. A component's user watchers are run before its render watcher (because
  //    user watchers are created before the render watcher)
  // 3. If a component is destroyed during a parent component's watcher run,
  //    its watchers can be skipped.
  queue.sort(function (a, b) { return a.id - b.id; });

  // do not cache length because more watchers might be pushed
  // as we run existing watchers
  for (index = 0; index < queue.length; index++) {
    watcher = queue[index];
    if (watcher.before) {
      watcher.before();
    }
    id = watcher.id;
    has[id] = null;
    watcher.run();
    // in dev build, check and stop circular updates.
    if (has[id] != null) {
      circular[id] = (circular[id] || 0) + 1;
      if (circular[id] > MAX_UPDATE_COUNT) {
        warn(
          'You may have an infinite update loop ' + (
            watcher.user
              ? ("in watcher with expression \"" + (watcher.expression) + "\"")
              : "in a component render function."
          ),
          watcher.vm
        );
        break
      }
    }
  }

  // keep copies of post queues before resetting state
  var activatedQueue = activatedChildren.slice();
  var updatedQueue = queue.slice();

  resetSchedulerState();

  // call component updated and activated hooks
  callActivatedHooks(activatedQueue);
  callUpdatedHooks(updatedQueue);

  // devtool hook
  /* istanbul ignore if */
  if (devtools && config.devtools) {
    devtools.emit('flush');
  }
}

function callUpdatedHooks (queue) {
  var i = queue.length;
  while (i--) {
    var watcher = queue[i];
    var vm = watcher.vm;
    if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
      callHook(vm, 'updated');
    }
  }
}

/**
 * Queue a kept-alive component that was activated during patch.
 * The queue will be processed after the entire tree has been patched.
 */
function queueActivatedComponent (vm) {
  // setting _inactive to false here so that a render function can
  // rely on checking whether it's in an inactive tree (e.g. router-view)
  vm._inactive = false;
  activatedChildren.push(vm);
}

function callActivatedHooks (queue) {
  for (var i = 0; i < queue.length; i++) {
    queue[i]._inactive = true;
    activateChildComponent(queue[i], true /* true */);
  }
}

/**
 * Push a watcher into the watcher queue.
 * Jobs with duplicate IDs will be skipped unless it's
 * pushed when the queue is being flushed.
 */
function queueWatcher (watcher) {
  var id = watcher.id;
  if (has[id] == null) {
    has[id] = true;
    if (!flushing) {
      queue.push(watcher);
    } else {
      // if already flushing, splice the watcher based on its id
      // if already past its id, it will be run next immediately.
      var i = queue.length - 1;
      while (i > index && queue[i].id > watcher.id) {
        i--;
      }
      queue.splice(i + 1, 0, watcher);
    }
    // queue the flush
    if (!waiting) {
      waiting = true;

      if (!config.async) {
        flushSchedulerQueue();
        return
      }
      nextTick(flushSchedulerQueue);
    }
  }
}

/*  */



var uid$2 = 0;

/**
 * A watcher parses an expression, collects dependencies,
 * and fires callback when the expression value changes.
 * This is used for both the $watch() api and directives.
 */
var Watcher = function Watcher (
  vm,
  expOrFn,
  cb,
  options,
  isRenderWatcher
) {
  this.vm = vm;
  if (isRenderWatcher) {
    vm._watcher = this;
  }
  vm._watchers.push(this);
  // options
  if (options) {
    this.deep = !!options.deep;
    this.user = !!options.user;
    this.lazy = !!options.lazy;
    this.sync = !!options.sync;
    this.before = options.before;
  } else {
    this.deep = this.user = this.lazy = this.sync = false;
  }
  this.cb = cb;
  this.id = ++uid$2; // uid for batching
  this.active = true;
  this.dirty = this.lazy; // for lazy watchers
  this.deps = [];
  this.newDeps = [];
  this.depIds = new _Set();
  this.newDepIds = new _Set();
  this.expression = expOrFn.toString();
  // parse expression for getter
  if (typeof expOrFn === 'function') {
    this.getter = expOrFn;
  } else {
    this.getter = parsePath(expOrFn);
    if (!this.getter) {
      this.getter = noop;
      warn(
        "Failed watching path: \"" + expOrFn + "\" " +
        'Watcher only accepts simple dot-delimited paths. ' +
        'For full control, use a function instead.',
        vm
      );
    }
  }
  this.value = this.lazy
    ? undefined
    : this.get();
};

/**
 * Evaluate the getter, and re-collect dependencies.
 */
Watcher.prototype.get = function get () {
  pushTarget(this);
  var value;
  var vm = this.vm;
  try {
    value = this.getter.call(vm, vm);
  } catch (e) {
    if (this.user) {
      handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
    } else {
      throw e
    }
  } finally {
    // "touch" every property so they are all tracked as
    // dependencies for deep watching
    if (this.deep) {
      traverse(value);
    }
    popTarget();
    this.cleanupDeps();
  }
  return value
};

/**
 * Add a dependency to this directive.
 */
Watcher.prototype.addDep = function addDep (dep) {
  var id = dep.id;
  if (!this.newDepIds.has(id)) {
    this.newDepIds.add(id);
    this.newDeps.push(dep);
    if (!this.depIds.has(id)) {
      dep.addSub(this);
    }
  }
};

/**
 * Clean up for dependency collection.
 */
Watcher.prototype.cleanupDeps = function cleanupDeps () {
  var i = this.deps.length;
  while (i--) {
    var dep = this.deps[i];
    if (!this.newDepIds.has(dep.id)) {
      dep.removeSub(this);
    }
  }
  var tmp = this.depIds;
  this.depIds = this.newDepIds;
  this.newDepIds = tmp;
  this.newDepIds.clear();
  tmp = this.deps;
  this.deps = this.newDeps;
  this.newDeps = tmp;
  this.newDeps.length = 0;
};

/**
 * Subscriber interface.
 * Will be called when a dependency changes.
 */
Watcher.prototype.update = function update () {
  /* istanbul ignore else */
  if (this.lazy) {
    this.dirty = true;
  } else if (this.sync) {
    this.run();
  } else {
    queueWatcher(this);
  }
};

/**
 * Scheduler job interface.
 * Will be called by the scheduler.
 */
Watcher.prototype.run = function run () {
  if (this.active) {
    var value = this.get();
    if (
      value !== this.value ||
      // Deep watchers and watchers on Object/Arrays should fire even
      // when the value is the same, because the value may
      // have mutated.
      isObject(value) ||
      this.deep
    ) {
      // set new value
      var oldValue = this.value;
      this.value = value;
      if (this.user) {
        try {
          this.cb.call(this.vm, value, oldValue);
        } catch (e) {
          handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
        }
      } else {
        this.cb.call(this.vm, value, oldValue);
      }
    }
  }
};

/**
 * Evaluate the value of the watcher.
 * This only gets called for lazy watchers.
 */
Watcher.prototype.evaluate = function evaluate () {
  this.value = this.get();
  this.dirty = false;
};

/**
 * Depend on all deps collected by this watcher.
 */
Watcher.prototype.depend = function depend () {
  var i = this.deps.length;
  while (i--) {
    this.deps[i].depend();
  }
};

/**
 * Remove self from all dependencies' subscriber list.
 */
Watcher.prototype.teardown = function teardown () {
  if (this.active) {
    // remove self from vm's watcher list
    // this is a somewhat expensive operation so we skip it
    // if the vm is being destroyed.
    if (!this.vm._isBeingDestroyed) {
      remove(this.vm._watchers, this);
    }
    var i = this.deps.length;
    while (i--) {
      this.deps[i].removeSub(this);
    }
    this.active = false;
  }
};

/*  */

var sharedPropertyDefinition = {
  enumerable: true,
  configurable: true,
  get: noop,
  set: noop
};

function proxy (target, sourceKey, key) {
  sharedPropertyDefinition.get = function proxyGetter () {
    return this[sourceKey][key]
  };
  sharedPropertyDefinition.set = function proxySetter (val) {
    this[sourceKey][key] = val;
  };
  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function initState (vm) {
  vm._watchers = [];
  var opts = vm.$options;
  if (opts.props) { initProps(vm, opts.props); }
  if (opts.methods) { initMethods(vm, opts.methods); }
  if (opts.data) {
    initData(vm);
  } else {
    observe(vm._data = {}, true /* asRootData */);
  }
  if (opts.computed) { initComputed(vm, opts.computed); }
  if (opts.watch && opts.watch !== nativeWatch) {
    initWatch(vm, opts.watch);
  }
}

function initProps (vm, propsOptions) {
  var propsData = vm.$options.propsData || {};
  var props = vm._props = {};
  // cache prop keys so that future props updates can iterate using Array
  // instead of dynamic object key enumeration.
  var keys = vm.$options._propKeys = [];
  var isRoot = !vm.$parent;
  // root instance props should be converted
  if (!isRoot) {
    toggleObserving(false);
  }
  var loop = function ( key ) {
    keys.push(key);
    var value = validateProp(key, propsOptions, propsData, vm);
    /* istanbul ignore else */
    {
      var hyphenatedKey = hyphenate(key);
      if (isReservedAttribute(hyphenatedKey) ||
          config.isReservedAttr(hyphenatedKey)) {
        warn(
          ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
          vm
        );
      }
      defineReactive$$1(props, key, value, function () {
        if (!isRoot && !isUpdatingChildComponent) {
          warn(
            "Avoid mutating a prop directly since the value will be " +
            "overwritten whenever the parent component re-renders. " +
            "Instead, use a data or computed property based on the prop's " +
            "value. Prop being mutated: \"" + key + "\"",
            vm
          );
        }
      });
    }
    // static props are already proxied on the component's prototype
    // during Vue.extend(). We only need to proxy props defined at
    // instantiation here.
    if (!(key in vm)) {
      proxy(vm, "_props", key);
    }
  };

  for (var key in propsOptions) loop( key );
  toggleObserving(true);
}

function initData (vm) {
  var data = vm.$options.data;
  data = vm._data = typeof data === 'function'
    ? getData(data, vm)
    : data || {};
  if (!isPlainObject(data)) {
    data = {};
    warn(
      'data functions should return an object:\n' +
      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
      vm
    );
  }
  // proxy data on instance
  var keys = Object.keys(data);
  var props = vm.$options.props;
  var methods = vm.$options.methods;
  var i = keys.length;
  while (i--) {
    var key = keys[i];
    {
      if (methods && hasOwn(methods, key)) {
        warn(
          ("Method \"" + key + "\" has already been defined as a data property."),
          vm
        );
      }
    }
    if (props && hasOwn(props, key)) {
      warn(
        "The data property \"" + key + "\" is already declared as a prop. " +
        "Use prop default value instead.",
        vm
      );
    } else if (!isReserved(key)) {
      proxy(vm, "_data", key);
    }
  }
  // observe data
  observe(data, true /* asRootData */);
}

function getData (data, vm) {
  // #7573 disable dep collection when invoking data getters
  pushTarget();
  try {
    return data.call(vm, vm)
  } catch (e) {
    handleError(e, vm, "data()");
    return {}
  } finally {
    popTarget();
  }
}

var computedWatcherOptions = { lazy: true };

function initComputed (vm, computed) {
  // $flow-disable-line
  var watchers = vm._computedWatchers = Object.create(null);
  // computed properties are just getters during SSR
  var isSSR = isServerRendering();

  for (var key in computed) {
    var userDef = computed[key];
    var getter = typeof userDef === 'function' ? userDef : userDef.get;
    if (getter == null) {
      warn(
        ("Getter is missing for computed property \"" + key + "\"."),
        vm
      );
    }

    if (!isSSR) {
      // create internal watcher for the computed property.
      watchers[key] = new Watcher(
        vm,
        getter || noop,
        noop,
        computedWatcherOptions
      );
    }

    // component-defined computed properties are already defined on the
    // component prototype. We only need to define computed properties defined
    // at instantiation here.
    if (!(key in vm)) {
      defineComputed(vm, key, userDef);
    } else {
      if (key in vm.$data) {
        warn(("The computed property \"" + key + "\" is already defined in data."), vm);
      } else if (vm.$options.props && key in vm.$options.props) {
        warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
      }
    }
  }
}

function defineComputed (
  target,
  key,
  userDef
) {
  var shouldCache = !isServerRendering();
  if (typeof userDef === 'function') {
    sharedPropertyDefinition.get = shouldCache
      ? createComputedGetter(key)
      : createGetterInvoker(userDef);
    sharedPropertyDefinition.set = noop;
  } else {
    sharedPropertyDefinition.get = userDef.get
      ? shouldCache && userDef.cache !== false
        ? createComputedGetter(key)
        : createGetterInvoker(userDef.get)
      : noop;
    sharedPropertyDefinition.set = userDef.set || noop;
  }
  if (sharedPropertyDefinition.set === noop) {
    sharedPropertyDefinition.set = function () {
      warn(
        ("Computed property \"" + key + "\" was assigned to but it has no setter."),
        this
      );
    };
  }
  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function createComputedGetter (key) {
  return function computedGetter () {
    var watcher = this._computedWatchers && this._computedWatchers[key];
    if (watcher) {
      if (watcher.dirty) {
        watcher.evaluate();
      }
      if (Dep.target) {
        watcher.depend();
      }
      return watcher.value
    }
  }
}

function createGetterInvoker(fn) {
  return function computedGetter () {
    return fn.call(this, this)
  }
}

function initMethods (vm, methods) {
  var props = vm.$options.props;
  for (var key in methods) {
    {
      if (typeof methods[key] !== 'function') {
        warn(
          "Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " +
          "Did you reference the function correctly?",
          vm
        );
      }
      if (props && hasOwn(props, key)) {
        warn(
          ("Method \"" + key + "\" has already been defined as a prop."),
          vm
        );
      }
      if ((key in vm) && isReserved(key)) {
        warn(
          "Method \"" + key + "\" conflicts with an existing Vue instance method. " +
          "Avoid defining component methods that start with _ or $."
        );
      }
    }
    vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
  }
}

function initWatch (vm, watch) {
  for (var key in watch) {
    var handler = watch[key];
    if (Array.isArray(handler)) {
      for (var i = 0; i < handler.length; i++) {
        createWatcher(vm, key, handler[i]);
      }
    } else {
      createWatcher(vm, key, handler);
    }
  }
}

function createWatcher (
  vm,
  expOrFn,
  handler,
  options
) {
  if (isPlainObject(handler)) {
    options = handler;
    handler = handler.handler;
  }
  if (typeof handler === 'string') {
    handler = vm[handler];
  }
  return vm.$watch(expOrFn, handler, options)
}

function stateMixin (Vue) {
  // flow somehow has problems with directly declared definition object
  // when using Object.defineProperty, so we have to procedurally build up
  // the object here.
  var dataDef = {};
  dataDef.get = function () { return this._data };
  var propsDef = {};
  propsDef.get = function () { return this._props };
  {
    dataDef.set = function () {
      warn(
        'Avoid replacing instance root $data. ' +
        'Use nested data properties instead.',
        this
      );
    };
    propsDef.set = function () {
      warn("$props is readonly.", this);
    };
  }
  Object.defineProperty(Vue.prototype, '$data', dataDef);
  Object.defineProperty(Vue.prototype, '$props', propsDef);

  Vue.prototype.$set = set;
  Vue.prototype.$delete = del;

  Vue.prototype.$watch = function (
    expOrFn,
    cb,
    options
  ) {
    var vm = this;
    if (isPlainObject(cb)) {
      return createWatcher(vm, expOrFn, cb, options)
    }
    options = options || {};
    options.user = true;
    var watcher = new Watcher(vm, expOrFn, cb, options);
    if (options.immediate) {
      try {
        cb.call(vm, watcher.value);
      } catch (error) {
        handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\""));
      }
    }
    return function unwatchFn () {
      watcher.teardown();
    }
  };
}

/*  */

var uid$3 = 0;

function initMixin (Vue) {
  Vue.prototype._init = function (options) {
    var vm = this;
    // a uid
    vm._uid = uid$3++;

    var startTag, endTag;
    /* istanbul ignore if */
    if (config.performance && mark) {
      startTag = "vue-perf-start:" + (vm._uid);
      endTag = "vue-perf-end:" + (vm._uid);
      mark(startTag);
    }

    // a flag to avoid this being observed
    vm._isVue = true;
    // merge options
    if (options && options._isComponent) {
      // optimize internal component instantiation
      // since dynamic options merging is pretty slow, and none of the
      // internal component options needs special treatment.
      initInternalComponent(vm, options);
    } else {
      vm.$options = mergeOptions(
        resolveConstructorOptions(vm.constructor),
        options || {},
        vm
      );
    }
    /* istanbul ignore else */
    {
      initProxy(vm);
    }
    // expose real self
    vm._self = vm;
    initLifecycle(vm);
    initEvents(vm);
    initRender(vm);
    callHook(vm, 'beforeCreate');
    initInjections(vm); // resolve injections before data/props
    initState(vm);
    initProvide(vm); // resolve provide after data/props
    callHook(vm, 'created');

    /* istanbul ignore if */
    if (config.performance && mark) {
      vm._name = formatComponentName(vm, false);
      mark(endTag);
      measure(("vue " + (vm._name) + " init"), startTag, endTag);
    }

    if (vm.$options.el) {
      vm.$mount(vm.$options.el);
    }
  };
}

function initInternalComponent (vm, options) {
  var opts = vm.$options = Object.create(vm.constructor.options);
  // doing this because it's faster than dynamic enumeration.
  var parentVnode = options._parentVnode;
  opts.parent = options.parent;
  opts._parentVnode = parentVnode;

  var vnodeComponentOptions = parentVnode.componentOptions;
  opts.propsData = vnodeComponentOptions.propsData;
  opts._parentListeners = vnodeComponentOptions.listeners;
  opts._renderChildren = vnodeComponentOptions.children;
  opts._componentTag = vnodeComponentOptions.tag;

  if (options.render) {
    opts.render = options.render;
    opts.staticRenderFns = options.staticRenderFns;
  }
}

function resolveConstructorOptions (Ctor) {
  var options = Ctor.options;
  if (Ctor.super) {
    var superOptions = resolveConstructorOptions(Ctor.super);
    var cachedSuperOptions = Ctor.superOptions;
    if (superOptions !== cachedSuperOptions) {
      // super option changed,
      // need to resolve new options.
      Ctor.superOptions = superOptions;
      // check if there are any late-modified/attached options (#4976)
      var modifiedOptions = resolveModifiedOptions(Ctor);
      // update base extend options
      if (modifiedOptions) {
        extend(Ctor.extendOptions, modifiedOptions);
      }
      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
      if (options.name) {
        options.components[options.name] = Ctor;
      }
    }
  }
  return options
}

function resolveModifiedOptions (Ctor) {
  var modified;
  var latest = Ctor.options;
  var sealed = Ctor.sealedOptions;
  for (var key in latest) {
    if (latest[key] !== sealed[key]) {
      if (!modified) { modified = {}; }
      modified[key] = latest[key];
    }
  }
  return modified
}

function Vue (options) {
  if (!(this instanceof Vue)
  ) {
    warn('Vue is a constructor and should be called with the `new` keyword');
  }
  this._init(options);
}

initMixin(Vue);
stateMixin(Vue);
eventsMixin(Vue);
lifecycleMixin(Vue);
renderMixin(Vue);

/*  */

function initUse (Vue) {
  Vue.use = function (plugin) {
    var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
    if (installedPlugins.indexOf(plugin) > -1) {
      return this
    }

    // additional parameters
    var args = toArray(arguments, 1);
    args.unshift(this);
    if (typeof plugin.install === 'function') {
      plugin.install.apply(plugin, args);
    } else if (typeof plugin === 'function') {
      plugin.apply(null, args);
    }
    installedPlugins.push(plugin);
    return this
  };
}

/*  */

function initMixin$1 (Vue) {
  Vue.mixin = function (mixin) {
    this.options = mergeOptions(this.options, mixin);
    return this
  };
}

/*  */

function initExtend (Vue) {
  /**
   * Each instance constructor, including Vue, has a unique
   * cid. This enables us to create wrapped "child
   * constructors" for prototypal inheritance and cache them.
   */
  Vue.cid = 0;
  var cid = 1;

  /**
   * Class inheritance
   */
  Vue.extend = function (extendOptions) {
    extendOptions = extendOptions || {};
    var Super = this;
    var SuperId = Super.cid;
    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
    if (cachedCtors[SuperId]) {
      return cachedCtors[SuperId]
    }

    var name = extendOptions.name || Super.options.name;
    if (name) {
      validateComponentName(name);
    }

    var Sub = function VueComponent (options) {
      this._init(options);
    };
    Sub.prototype = Object.create(Super.prototype);
    Sub.prototype.constructor = Sub;
    Sub.cid = cid++;
    Sub.options = mergeOptions(
      Super.options,
      extendOptions
    );
    Sub['super'] = Super;

    // For props and computed properties, we define the proxy getters on
    // the Vue instances at extension time, on the extended prototype. This
    // avoids Object.defineProperty calls for each instance created.
    if (Sub.options.props) {
      initProps$1(Sub);
    }
    if (Sub.options.computed) {
      initComputed$1(Sub);
    }

    // allow further extension/mixin/plugin usage
    Sub.extend = Super.extend;
    Sub.mixin = Super.mixin;
    Sub.use = Super.use;

    // create asset registers, so extended classes
    // can have their private assets too.
    ASSET_TYPES.forEach(function (type) {
      Sub[type] = Super[type];
    });
    // enable recursive self-lookup
    if (name) {
      Sub.options.components[name] = Sub;
    }

    // keep a reference to the super options at extension time.
    // later at instantiation we can check if Super's options have
    // been updated.
    Sub.superOptions = Super.options;
    Sub.extendOptions = extendOptions;
    Sub.sealedOptions = extend({}, Sub.options);

    // cache constructor
    cachedCtors[SuperId] = Sub;
    return Sub
  };
}

function initProps$1 (Comp) {
  var props = Comp.options.props;
  for (var key in props) {
    proxy(Comp.prototype, "_props", key);
  }
}

function initComputed$1 (Comp) {
  var computed = Comp.options.computed;
  for (var key in computed) {
    defineComputed(Comp.prototype, key, computed[key]);
  }
}

/*  */

function initAssetRegisters (Vue) {
  /**
   * Create asset registration methods.
   */
  ASSET_TYPES.forEach(function (type) {
    Vue[type] = function (
      id,
      definition
    ) {
      if (!definition) {
        return this.options[type + 's'][id]
      } else {
        /* istanbul ignore if */
        if (type === 'component') {
          validateComponentName(id);
        }
        if (type === 'component' && isPlainObject(definition)) {
          definition.name = definition.name || id;
          definition = this.options._base.extend(definition);
        }
        if (type === 'directive' && typeof definition === 'function') {
          definition = { bind: definition, update: definition };
        }
        this.options[type + 's'][id] = definition;
        return definition
      }
    };
  });
}

/*  */



function getComponentName (opts) {
  return opts && (opts.Ctor.options.name || opts.tag)
}

function matches (pattern, name) {
  if (Array.isArray(pattern)) {
    return pattern.indexOf(name) > -1
  } else if (typeof pattern === 'string') {
    return pattern.split(',').indexOf(name) > -1
  } else if (isRegExp(pattern)) {
    return pattern.test(name)
  }
  /* istanbul ignore next */
  return false
}

function pruneCache (keepAliveInstance, filter) {
  var cache = keepAliveInstance.cache;
  var keys = keepAliveInstance.keys;
  var _vnode = keepAliveInstance._vnode;
  for (var key in cache) {
    var cachedNode = cache[key];
    if (cachedNode) {
      var name = getComponentName(cachedNode.componentOptions);
      if (name && !filter(name)) {
        pruneCacheEntry(cache, key, keys, _vnode);
      }
    }
  }
}

function pruneCacheEntry (
  cache,
  key,
  keys,
  current
) {
  var cached$$1 = cache[key];
  if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
    cached$$1.componentInstance.$destroy();
  }
  cache[key] = null;
  remove(keys, key);
}

var patternTypes = [String, RegExp, Array];

var KeepAlive = {
  name: 'keep-alive',
  abstract: true,

  props: {
    include: patternTypes,
    exclude: patternTypes,
    max: [String, Number]
  },

  created: function created () {
    this.cache = Object.create(null);
    this.keys = [];
  },

  destroyed: function destroyed () {
    for (var key in this.cache) {
      pruneCacheEntry(this.cache, key, this.keys);
    }
  },

  mounted: function mounted () {
    var this$1 = this;

    this.$watch('include', function (val) {
      pruneCache(this$1, function (name) { return matches(val, name); });
    });
    this.$watch('exclude', function (val) {
      pruneCache(this$1, function (name) { return !matches(val, name); });
    });
  },

  render: function render () {
    var slot = this.$slots.default;
    var vnode = getFirstComponentChild(slot);
    var componentOptions = vnode && vnode.componentOptions;
    if (componentOptions) {
      // check pattern
      var name = getComponentName(componentOptions);
      var ref = this;
      var include = ref.include;
      var exclude = ref.exclude;
      if (
        // not included
        (include && (!name || !matches(include, name))) ||
        // excluded
        (exclude && name && matches(exclude, name))
      ) {
        return vnode
      }

      var ref$1 = this;
      var cache = ref$1.cache;
      var keys = ref$1.keys;
      var key = vnode.key == null
        // same constructor may get registered as different local components
        // so cid alone is not enough (#3269)
        ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
        : vnode.key;
      if (cache[key]) {
        vnode.componentInstance = cache[key].componentInstance;
        // make current key freshest
        remove(keys, key);
        keys.push(key);
      } else {
        cache[key] = vnode;
        keys.push(key);
        // prune oldest entry
        if (this.max && keys.length > parseInt(this.max)) {
          pruneCacheEntry(cache, keys[0], keys, this._vnode);
        }
      }

      vnode.data.keepAlive = true;
    }
    return vnode || (slot && slot[0])
  }
};

var builtInComponents = {
  KeepAlive: KeepAlive
};

/*  */

function initGlobalAPI (Vue) {
  // config
  var configDef = {};
  configDef.get = function () { return config; };
  {
    configDef.set = function () {
      warn(
        'Do not replace the Vue.config object, set individual fields instead.'
      );
    };
  }
  Object.defineProperty(Vue, 'config', configDef);

  // exposed util methods.
  // NOTE: these are not considered part of the public API - avoid relying on
  // them unless you are aware of the risk.
  Vue.util = {
    warn: warn,
    extend: extend,
    mergeOptions: mergeOptions,
    defineReactive: defineReactive$$1
  };

  Vue.set = set;
  Vue.delete = del;
  Vue.nextTick = nextTick;

  // 2.6 explicit observable API
  Vue.observable = function (obj) {
    observe(obj);
    return obj
  };

  Vue.options = Object.create(null);
  ASSET_TYPES.forEach(function (type) {
    Vue.options[type + 's'] = Object.create(null);
  });

  // this is used to identify the "base" constructor to extend all plain-object
  // components with in Weex's multi-instance scenarios.
  Vue.options._base = Vue;

  extend(Vue.options.components, builtInComponents);

  initUse(Vue);
  initMixin$1(Vue);
  initExtend(Vue);
  initAssetRegisters(Vue);
}

initGlobalAPI(Vue);

Object.defineProperty(Vue.prototype, '$isServer', {
  get: isServerRendering
});

Object.defineProperty(Vue.prototype, '$ssrContext', {
  get: function get () {
    /* istanbul ignore next */
    return this.$vnode && this.$vnode.ssrContext
  }
});

// expose FunctionalRenderContext for ssr runtime helper installation
Object.defineProperty(Vue, 'FunctionalRenderContext', {
  value: FunctionalRenderContext
});

Vue.version = '2.6.10';

/*  */

// these are reserved for web because they are directly compiled away
// during template compilation
var isReservedAttr = makeMap('style,class');

// attributes that should be using props for binding
var acceptValue = makeMap('input,textarea,option,select,progress');
var mustUseProp = function (tag, type, attr) {
  return (
    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
    (attr === 'selected' && tag === 'option') ||
    (attr === 'checked' && tag === 'input') ||
    (attr === 'muted' && tag === 'video')
  )
};

var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');

var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');

var convertEnumeratedValue = function (key, value) {
  return isFalsyAttrValue(value) || value === 'false'
    ? 'false'
    // allow arbitrary string value for contenteditable
    : key === 'contenteditable' && isValidContentEditableValue(value)
      ? value
      : 'true'
};

var isBooleanAttr = makeMap(
  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
  'required,reversed,scoped,seamless,selected,sortable,translate,' +
  'truespeed,typemustmatch,visible'
);

var xlinkNS = 'http://www.w3.org/1999/xlink';

var isXlink = function (name) {
  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
};

var getXlinkProp = function (name) {
  return isXlink(name) ? name.slice(6, name.length) : ''
};

var isFalsyAttrValue = function (val) {
  return val == null || val === false
};

/*  */

function genClassForVnode (vnode) {
  var data = vnode.data;
  var parentNode = vnode;
  var childNode = vnode;
  while (isDef(childNode.componentInstance)) {
    childNode = childNode.componentInstance._vnode;
    if (childNode && childNode.data) {
      data = mergeClassData(childNode.data, data);
    }
  }
  while (isDef(parentNode = parentNode.parent)) {
    if (parentNode && parentNode.data) {
      data = mergeClassData(data, parentNode.data);
    }
  }
  return renderClass(data.staticClass, data.class)
}

function mergeClassData (child, parent) {
  return {
    staticClass: concat(child.staticClass, parent.staticClass),
    class: isDef(child.class)
      ? [child.class, parent.class]
      : parent.class
  }
}

function renderClass (
  staticClass,
  dynamicClass
) {
  if (isDef(staticClass) || isDef(dynamicClass)) {
    return concat(staticClass, stringifyClass(dynamicClass))
  }
  /* istanbul ignore next */
  return ''
}

function concat (a, b) {
  return a ? b ? (a + ' ' + b) : a : (b || '')
}

function stringifyClass (value) {
  if (Array.isArray(value)) {
    return stringifyArray(value)
  }
  if (isObject(value)) {
    return stringifyObject(value)
  }
  if (typeof value === 'string') {
    return value
  }
  /* istanbul ignore next */
  return ''
}

function stringifyArray (value) {
  var res = '';
  var stringified;
  for (var i = 0, l = value.length; i < l; i++) {
    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
      if (res) { res += ' '; }
      res += stringified;
    }
  }
  return res
}

function stringifyObject (value) {
  var res = '';
  for (var key in value) {
    if (value[key]) {
      if (res) { res += ' '; }
      res += key;
    }
  }
  return res
}

/*  */

var namespaceMap = {
  svg: 'http://www.w3.org/2000/svg',
  math: 'http://www.w3.org/1998/Math/MathML'
};

var isHTMLTag = makeMap(
  'html,body,base,head,link,meta,style,title,' +
  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
  'embed,object,param,source,canvas,script,noscript,del,ins,' +
  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
  'output,progress,select,textarea,' +
  'details,dialog,menu,menuitem,summary,' +
  'content,element,shadow,template,blockquote,iframe,tfoot'
);

// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
  true
);

var isPreTag = function (tag) { return tag === 'pre'; };

var isReservedTag = function (tag) {
  return isHTMLTag(tag) || isSVG(tag)
};

function getTagNamespace (tag) {
  if (isSVG(tag)) {
    return 'svg'
  }
  // basic support for MathML
  // note it doesn't support other MathML elements being component roots
  if (tag === 'math') {
    return 'math'
  }
}

var unknownElementCache = Object.create(null);
function isUnknownElement (tag) {
  /* istanbul ignore if */
  if (!inBrowser) {
    return true
  }
  if (isReservedTag(tag)) {
    return false
  }
  tag = tag.toLowerCase();
  /* istanbul ignore if */
  if (unknownElementCache[tag] != null) {
    return unknownElementCache[tag]
  }
  var el = document.createElement(tag);
  if (tag.indexOf('-') > -1) {
    // http://stackoverflow.com/a/28210364/1070244
    return (unknownElementCache[tag] = (
      el.constructor === window.HTMLUnknownElement ||
      el.constructor === window.HTMLElement
    ))
  } else {
    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
  }
}

var isTextInputType = makeMap('text,number,password,search,email,tel,url');

/*  */

/**
 * Query an element selector if it's not an element already.
 */
function query (el) {
  if (typeof el === 'string') {
    var selected = document.querySelector(el);
    if (!selected) {
      warn(
        'Cannot find element: ' + el
      );
      return document.createElement('div')
    }
    return selected
  } else {
    return el
  }
}

/*  */

function createElement$1 (tagName, vnode) {
  var elm = document.createElement(tagName);
  if (tagName !== 'select') {
    return elm
  }
  // false or null will remove the attribute but undefined will not
  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
    elm.setAttribute('multiple', 'multiple');
  }
  return elm
}

function createElementNS (namespace, tagName) {
  return document.createElementNS(namespaceMap[namespace], tagName)
}

function createTextNode (text) {
  return document.createTextNode(text)
}

function createComment (text) {
  return document.createComment(text)
}

function insertBefore (parentNode, newNode, referenceNode) {
  parentNode.insertBefore(newNode, referenceNode);
}

function removeChild (node, child) {
  node.removeChild(child);
}

function appendChild (node, child) {
  node.appendChild(child);
}

function parentNode (node) {
  return node.parentNode
}

function nextSibling (node) {
  return node.nextSibling
}

function tagName (node) {
  return node.tagName
}

function setTextContent (node, text) {
  node.textContent = text;
}

function setStyleScope (node, scopeId) {
  node.setAttribute(scopeId, '');
}

var nodeOps = /*#__PURE__*/Object.freeze({
  createElement: createElement$1,
  createElementNS: createElementNS,
  createTextNode: createTextNode,
  createComment: createComment,
  insertBefore: insertBefore,
  removeChild: removeChild,
  appendChild: appendChild,
  parentNode: parentNode,
  nextSibling: nextSibling,
  tagName: tagName,
  setTextContent: setTextContent,
  setStyleScope: setStyleScope
});

/*  */

var ref = {
  create: function create (_, vnode) {
    registerRef(vnode);
  },
  update: function update (oldVnode, vnode) {
    if (oldVnode.data.ref !== vnode.data.ref) {
      registerRef(oldVnode, true);
      registerRef(vnode);
    }
  },
  destroy: function destroy (vnode) {
    registerRef(vnode, true);
  }
};

function registerRef (vnode, isRemoval) {
  var key = vnode.data.ref;
  if (!isDef(key)) { return }

  var vm = vnode.context;
  var ref = vnode.componentInstance || vnode.elm;
  var refs = vm.$refs;
  if (isRemoval) {
    if (Array.isArray(refs[key])) {
      remove(refs[key], ref);
    } else if (refs[key] === ref) {
      refs[key] = undefined;
    }
  } else {
    if (vnode.data.refInFor) {
      if (!Array.isArray(refs[key])) {
        refs[key] = [ref];
      } else if (refs[key].indexOf(ref) < 0) {
        // $flow-disable-line
        refs[key].push(ref);
      }
    } else {
      refs[key] = ref;
    }
  }
}

/**
 * Virtual DOM patching algorithm based on Snabbdom by
 * Simon Friis Vindum (@paldepind)
 * Licensed under the MIT License
 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
 *
 * modified by Evan You (@yyx990803)
 *
 * Not type-checking this because this file is perf-critical and the cost
 * of making flow understand it is not worth it.
 */

var emptyNode = new VNode('', {}, []);

var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];

function sameVnode (a, b) {
  return (
    a.key === b.key && (
      (
        a.tag === b.tag &&
        a.isComment === b.isComment &&
        isDef(a.data) === isDef(b.data) &&
        sameInputType(a, b)
      ) || (
        isTrue(a.isAsyncPlaceholder) &&
        a.asyncFactory === b.asyncFactory &&
        isUndef(b.asyncFactory.error)
      )
    )
  )
}

function sameInputType (a, b) {
  if (a.tag !== 'input') { return true }
  var i;
  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
}

function createKeyToOldIdx (children, beginIdx, endIdx) {
  var i, key;
  var map = {};
  for (i = beginIdx; i <= endIdx; ++i) {
    key = children[i].key;
    if (isDef(key)) { map[key] = i; }
  }
  return map
}

function createPatchFunction (backend) {
  var i, j;
  var cbs = {};

  var modules = backend.modules;
  var nodeOps = backend.nodeOps;

  for (i = 0; i < hooks.length; ++i) {
    cbs[hooks[i]] = [];
    for (j = 0; j < modules.length; ++j) {
      if (isDef(modules[j][hooks[i]])) {
        cbs[hooks[i]].push(modules[j][hooks[i]]);
      }
    }
  }

  function emptyNodeAt (elm) {
    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
  }

  function createRmCb (childElm, listeners) {
    function remove$$1 () {
      if (--remove$$1.listeners === 0) {
        removeNode(childElm);
      }
    }
    remove$$1.listeners = listeners;
    return remove$$1
  }

  function removeNode (el) {
    var parent = nodeOps.parentNode(el);
    // element may have already been removed due to v-html / v-text
    if (isDef(parent)) {
      nodeOps.removeChild(parent, el);
    }
  }

  function isUnknownElement$$1 (vnode, inVPre) {
    return (
      !inVPre &&
      !vnode.ns &&
      !(
        config.ignoredElements.length &&
        config.ignoredElements.some(function (ignore) {
          return isRegExp(ignore)
            ? ignore.test(vnode.tag)
            : ignore === vnode.tag
        })
      ) &&
      config.isUnknownElement(vnode.tag)
    )
  }

  var creatingElmInVPre = 0;

  function createElm (
    vnode,
    insertedVnodeQueue,
    parentElm,
    refElm,
    nested,
    ownerArray,
    index
  ) {
    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // This vnode was used in a previous render!
      // now it's used as a new node, overwriting its elm would cause
      // potential patch errors down the road when it's used as an insertion
      // reference node. Instead, we clone the node on-demand before creating
      // associated DOM element for it.
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    vnode.isRootInsert = !nested; // for transition enter check
    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
      return
    }

    var data = vnode.data;
    var children = vnode.children;
    var tag = vnode.tag;
    if (isDef(tag)) {
      {
        if (data && data.pre) {
          creatingElmInVPre++;
        }
        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
          warn(
            'Unknown custom element: <' + tag + '> - did you ' +
            'register the component correctly? For recursive components, ' +
            'make sure to provide the "name" option.',
            vnode.context
          );
        }
      }

      vnode.elm = vnode.ns
        ? nodeOps.createElementNS(vnode.ns, tag)
        : nodeOps.createElement(tag, vnode);
      setScope(vnode);

      /* istanbul ignore if */
      {
        createChildren(vnode, children, insertedVnodeQueue);
        if (isDef(data)) {
          invokeCreateHooks(vnode, insertedVnodeQueue);
        }
        insert(parentElm, vnode.elm, refElm);
      }

      if (data && data.pre) {
        creatingElmInVPre--;
      }
    } else if (isTrue(vnode.isComment)) {
      vnode.elm = nodeOps.createComment(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    } else {
      vnode.elm = nodeOps.createTextNode(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    }
  }

  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
    var i = vnode.data;
    if (isDef(i)) {
      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
      if (isDef(i = i.hook) && isDef(i = i.init)) {
        i(vnode, false /* hydrating */);
      }
      // after calling the init hook, if the vnode is a child component
      // it should've created a child instance and mounted it. the child
      // component also has set the placeholder vnode's elm.
      // in that case we can just return the element and be done.
      if (isDef(vnode.componentInstance)) {
        initComponent(vnode, insertedVnodeQueue);
        insert(parentElm, vnode.elm, refElm);
        if (isTrue(isReactivated)) {
          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
        }
        return true
      }
    }
  }

  function initComponent (vnode, insertedVnodeQueue) {
    if (isDef(vnode.data.pendingInsert)) {
      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
      vnode.data.pendingInsert = null;
    }
    vnode.elm = vnode.componentInstance.$el;
    if (isPatchable(vnode)) {
      invokeCreateHooks(vnode, insertedVnodeQueue);
      setScope(vnode);
    } else {
      // empty component root.
      // skip all element-related modules except for ref (#3455)
      registerRef(vnode);
      // make sure to invoke the insert hook
      insertedVnodeQueue.push(vnode);
    }
  }

  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
    var i;
    // hack for #4339: a reactivated component with inner transition
    // does not trigger because the inner node's created hooks are not called
    // again. It's not ideal to involve module-specific logic in here but
    // there doesn't seem to be a better way to do it.
    var innerNode = vnode;
    while (innerNode.componentInstance) {
      innerNode = innerNode.componentInstance._vnode;
      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
        for (i = 0; i < cbs.activate.length; ++i) {
          cbs.activate[i](emptyNode, innerNode);
        }
        insertedVnodeQueue.push(innerNode);
        break
      }
    }
    // unlike a newly created component,
    // a reactivated keep-alive component doesn't insert itself
    insert(parentElm, vnode.elm, refElm);
  }

  function insert (parent, elm, ref$$1) {
    if (isDef(parent)) {
      if (isDef(ref$$1)) {
        if (nodeOps.parentNode(ref$$1) === parent) {
          nodeOps.insertBefore(parent, elm, ref$$1);
        }
      } else {
        nodeOps.appendChild(parent, elm);
      }
    }
  }

  function createChildren (vnode, children, insertedVnodeQueue) {
    if (Array.isArray(children)) {
      {
        checkDuplicateKeys(children);
      }
      for (var i = 0; i < children.length; ++i) {
        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
      }
    } else if (isPrimitive(vnode.text)) {
      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
    }
  }

  function isPatchable (vnode) {
    while (vnode.componentInstance) {
      vnode = vnode.componentInstance._vnode;
    }
    return isDef(vnode.tag)
  }

  function invokeCreateHooks (vnode, insertedVnodeQueue) {
    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
      cbs.create[i$1](emptyNode, vnode);
    }
    i = vnode.data.hook; // Reuse variable
    if (isDef(i)) {
      if (isDef(i.create)) { i.create(emptyNode, vnode); }
      if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
    }
  }

  // set scope id attribute for scoped CSS.
  // this is implemented as a special case to avoid the overhead
  // of going through the normal attribute patching process.
  function setScope (vnode) {
    var i;
    if (isDef(i = vnode.fnScopeId)) {
      nodeOps.setStyleScope(vnode.elm, i);
    } else {
      var ancestor = vnode;
      while (ancestor) {
        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
          nodeOps.setStyleScope(vnode.elm, i);
        }
        ancestor = ancestor.parent;
      }
    }
    // for slot content they should also get the scopeId from the host instance.
    if (isDef(i = activeInstance) &&
      i !== vnode.context &&
      i !== vnode.fnContext &&
      isDef(i = i.$options._scopeId)
    ) {
      nodeOps.setStyleScope(vnode.elm, i);
    }
  }

  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
    for (; startIdx <= endIdx; ++startIdx) {
      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
    }
  }

  function invokeDestroyHook (vnode) {
    var i, j;
    var data = vnode.data;
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
    }
    if (isDef(i = vnode.children)) {
      for (j = 0; j < vnode.children.length; ++j) {
        invokeDestroyHook(vnode.children[j]);
      }
    }
  }

  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
    for (; startIdx <= endIdx; ++startIdx) {
      var ch = vnodes[startIdx];
      if (isDef(ch)) {
        if (isDef(ch.tag)) {
          removeAndInvokeRemoveHook(ch);
          invokeDestroyHook(ch);
        } else { // Text node
          removeNode(ch.elm);
        }
      }
    }
  }

  function removeAndInvokeRemoveHook (vnode, rm) {
    if (isDef(rm) || isDef(vnode.data)) {
      var i;
      var listeners = cbs.remove.length + 1;
      if (isDef(rm)) {
        // we have a recursively passed down rm callback
        // increase the listeners count
        rm.listeners += listeners;
      } else {
        // directly removing
        rm = createRmCb(vnode.elm, listeners);
      }
      // recursively invoke hooks on child component root node
      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
        removeAndInvokeRemoveHook(i, rm);
      }
      for (i = 0; i < cbs.remove.length; ++i) {
        cbs.remove[i](vnode, rm);
      }
      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
        i(vnode, rm);
      } else {
        rm();
      }
    } else {
      removeNode(vnode.elm);
    }
  }

  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
    var oldStartIdx = 0;
    var newStartIdx = 0;
    var oldEndIdx = oldCh.length - 1;
    var oldStartVnode = oldCh[0];
    var oldEndVnode = oldCh[oldEndIdx];
    var newEndIdx = newCh.length - 1;
    var newStartVnode = newCh[0];
    var newEndVnode = newCh[newEndIdx];
    var oldKeyToIdx, idxInOld, vnodeToMove, refElm;

    // removeOnly is a special flag used only by <transition-group>
    // to ensure removed elements stay in correct relative positions
    // during leaving transitions
    var canMove = !removeOnly;

    {
      checkDuplicateKeys(newCh);
    }

    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
      if (isUndef(oldStartVnode)) {
        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
      } else if (isUndef(oldEndVnode)) {
        oldEndVnode = oldCh[--oldEndIdx];
      } else if (sameVnode(oldStartVnode, newStartVnode)) {
        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        oldStartVnode = oldCh[++oldStartIdx];
        newStartVnode = newCh[++newStartIdx];
      } else if (sameVnode(oldEndVnode, newEndVnode)) {
        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        oldEndVnode = oldCh[--oldEndIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
        oldStartVnode = oldCh[++oldStartIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
        oldEndVnode = oldCh[--oldEndIdx];
        newStartVnode = newCh[++newStartIdx];
      } else {
        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
        idxInOld = isDef(newStartVnode.key)
          ? oldKeyToIdx[newStartVnode.key]
          : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
        if (isUndef(idxInOld)) { // New element
          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
        } else {
          vnodeToMove = oldCh[idxInOld];
          if (sameVnode(vnodeToMove, newStartVnode)) {
            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
            oldCh[idxInOld] = undefined;
            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
          } else {
            // same key but different element. treat as new element
            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
          }
        }
        newStartVnode = newCh[++newStartIdx];
      }
    }
    if (oldStartIdx > oldEndIdx) {
      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
    } else if (newStartIdx > newEndIdx) {
      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
    }
  }

  function checkDuplicateKeys (children) {
    var seenKeys = {};
    for (var i = 0; i < children.length; i++) {
      var vnode = children[i];
      var key = vnode.key;
      if (isDef(key)) {
        if (seenKeys[key]) {
          warn(
            ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
            vnode.context
          );
        } else {
          seenKeys[key] = true;
        }
      }
    }
  }

  function findIdxInOld (node, oldCh, start, end) {
    for (var i = start; i < end; i++) {
      var c = oldCh[i];
      if (isDef(c) && sameVnode(node, c)) { return i }
    }
  }

  function patchVnode (
    oldVnode,
    vnode,
    insertedVnodeQueue,
    ownerArray,
    index,
    removeOnly
  ) {
    if (oldVnode === vnode) {
      return
    }

    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // clone reused vnode
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    var elm = vnode.elm = oldVnode.elm;

    if (isTrue(oldVnode.isAsyncPlaceholder)) {
      if (isDef(vnode.asyncFactory.resolved)) {
        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
      } else {
        vnode.isAsyncPlaceholder = true;
      }
      return
    }

    // reuse element for static trees.
    // note we only do this if the vnode is cloned -
    // if the new node is not cloned it means the render functions have been
    // reset by the hot-reload-api and we need to do a proper re-render.
    if (isTrue(vnode.isStatic) &&
      isTrue(oldVnode.isStatic) &&
      vnode.key === oldVnode.key &&
      (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
    ) {
      vnode.componentInstance = oldVnode.componentInstance;
      return
    }

    var i;
    var data = vnode.data;
    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
      i(oldVnode, vnode);
    }

    var oldCh = oldVnode.children;
    var ch = vnode.children;
    if (isDef(data) && isPatchable(vnode)) {
      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
    }
    if (isUndef(vnode.text)) {
      if (isDef(oldCh) && isDef(ch)) {
        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
      } else if (isDef(ch)) {
        {
          checkDuplicateKeys(ch);
        }
        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
      } else if (isDef(oldCh)) {
        removeVnodes(elm, oldCh, 0, oldCh.length - 1);
      } else if (isDef(oldVnode.text)) {
        nodeOps.setTextContent(elm, '');
      }
    } else if (oldVnode.text !== vnode.text) {
      nodeOps.setTextContent(elm, vnode.text);
    }
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
    }
  }

  function invokeInsertHook (vnode, queue, initial) {
    // delay insert hooks for component root nodes, invoke them after the
    // element is really inserted
    if (isTrue(initial) && isDef(vnode.parent)) {
      vnode.parent.data.pendingInsert = queue;
    } else {
      for (var i = 0; i < queue.length; ++i) {
        queue[i].data.hook.insert(queue[i]);
      }
    }
  }

  var hydrationBailed = false;
  // list of modules that can skip create hook during hydration because they
  // are already rendered on the client or has no need for initialization
  // Note: style is excluded because it relies on initial clone for future
  // deep updates (#7063).
  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');

  // Note: this is a browser-only function so we can assume elms are DOM nodes.
  function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
    var i;
    var tag = vnode.tag;
    var data = vnode.data;
    var children = vnode.children;
    inVPre = inVPre || (data && data.pre);
    vnode.elm = elm;

    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
      vnode.isAsyncPlaceholder = true;
      return true
    }
    // assert node match
    {
      if (!assertNodeMatch(elm, vnode, inVPre)) {
        return false
      }
    }
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
      if (isDef(i = vnode.componentInstance)) {
        // child component. it should have hydrated its own tree.
        initComponent(vnode, insertedVnodeQueue);
        return true
      }
    }
    if (isDef(tag)) {
      if (isDef(children)) {
        // empty element, allow client to pick up and populate children
        if (!elm.hasChildNodes()) {
          createChildren(vnode, children, insertedVnodeQueue);
        } else {
          // v-html and domProps: innerHTML
          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
            if (i !== elm.innerHTML) {
              /* istanbul ignore if */
              if (typeof console !== 'undefined' &&
                !hydrationBailed
              ) {
                hydrationBailed = true;
                console.warn('Parent: ', elm);
                console.warn('server innerHTML: ', i);
                console.warn('client innerHTML: ', elm.innerHTML);
              }
              return false
            }
          } else {
            // iterate and compare children lists
            var childrenMatch = true;
            var childNode = elm.firstChild;
            for (var i$1 = 0; i$1 < children.length; i$1++) {
              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
                childrenMatch = false;
                break
              }
              childNode = childNode.nextSibling;
            }
            // if childNode is not null, it means the actual childNodes list is
            // longer than the virtual children list.
            if (!childrenMatch || childNode) {
              /* istanbul ignore if */
              if (typeof console !== 'undefined' &&
                !hydrationBailed
              ) {
                hydrationBailed = true;
                console.warn('Parent: ', elm);
                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
              }
              return false
            }
          }
        }
      }
      if (isDef(data)) {
        var fullInvoke = false;
        for (var key in data) {
          if (!isRenderedModule(key)) {
            fullInvoke = true;
            invokeCreateHooks(vnode, insertedVnodeQueue);
            break
          }
        }
        if (!fullInvoke && data['class']) {
          // ensure collecting deps for deep class bindings for future updates
          traverse(data['class']);
        }
      }
    } else if (elm.data !== vnode.text) {
      elm.data = vnode.text;
    }
    return true
  }

  function assertNodeMatch (node, vnode, inVPre) {
    if (isDef(vnode.tag)) {
      return vnode.tag.indexOf('vue-component') === 0 || (
        !isUnknownElement$$1(vnode, inVPre) &&
        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
      )
    } else {
      return node.nodeType === (vnode.isComment ? 8 : 3)
    }
  }

  return function patch (oldVnode, vnode, hydrating, removeOnly) {
    if (isUndef(vnode)) {
      if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
      return
    }

    var isInitialPatch = false;
    var insertedVnodeQueue = [];

    if (isUndef(oldVnode)) {
      // empty mount (likely as component), create new root element
      isInitialPatch = true;
      createElm(vnode, insertedVnodeQueue);
    } else {
      var isRealElement = isDef(oldVnode.nodeType);
      if (!isRealElement && sameVnode(oldVnode, vnode)) {
        // patch existing root node
        patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
      } else {
        if (isRealElement) {
          // mounting to a real element
          // check if this is server-rendered content and if we can perform
          // a successful hydration.
          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
            oldVnode.removeAttribute(SSR_ATTR);
            hydrating = true;
          }
          if (isTrue(hydrating)) {
            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
              invokeInsertHook(vnode, insertedVnodeQueue, true);
              return oldVnode
            } else {
              warn(
                'The client-side rendered virtual DOM tree is not matching ' +
                'server-rendered content. This is likely caused by incorrect ' +
                'HTML markup, for example nesting block-level elements inside ' +
                '<p>, or missing <tbody>. Bailing hydration and performing ' +
                'full client-side render.'
              );
            }
          }
          // either not server-rendered, or hydration failed.
          // create an empty node and replace it
          oldVnode = emptyNodeAt(oldVnode);
        }

        // replacing existing element
        var oldElm = oldVnode.elm;
        var parentElm = nodeOps.parentNode(oldElm);

        // create new node
        createElm(
          vnode,
          insertedVnodeQueue,
          // extremely rare edge case: do not insert if old element is in a
          // leaving transition. Only happens when combining transition +
          // keep-alive + HOCs. (#4590)
          oldElm._leaveCb ? null : parentElm,
          nodeOps.nextSibling(oldElm)
        );

        // update parent placeholder node element, recursively
        if (isDef(vnode.parent)) {
          var ancestor = vnode.parent;
          var patchable = isPatchable(vnode);
          while (ancestor) {
            for (var i = 0; i < cbs.destroy.length; ++i) {
              cbs.destroy[i](ancestor);
            }
            ancestor.elm = vnode.elm;
            if (patchable) {
              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
                cbs.create[i$1](emptyNode, ancestor);
              }
              // #6513
              // invoke insert hooks that may have been merged by create hooks.
              // e.g. for directives that uses the "inserted" hook.
              var insert = ancestor.data.hook.insert;
              if (insert.merged) {
                // start at index 1 to avoid re-invoking component mounted hook
                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
                  insert.fns[i$2]();
                }
              }
            } else {
              registerRef(ancestor);
            }
            ancestor = ancestor.parent;
          }
        }

        // destroy old node
        if (isDef(parentElm)) {
          removeVnodes(parentElm, [oldVnode], 0, 0);
        } else if (isDef(oldVnode.tag)) {
          invokeDestroyHook(oldVnode);
        }
      }
    }

    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
    return vnode.elm
  }
}

/*  */

var directives = {
  create: updateDirectives,
  update: updateDirectives,
  destroy: function unbindDirectives (vnode) {
    updateDirectives(vnode, emptyNode);
  }
};

function updateDirectives (oldVnode, vnode) {
  if (oldVnode.data.directives || vnode.data.directives) {
    _update(oldVnode, vnode);
  }
}

function _update (oldVnode, vnode) {
  var isCreate = oldVnode === emptyNode;
  var isDestroy = vnode === emptyNode;
  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);

  var dirsWithInsert = [];
  var dirsWithPostpatch = [];

  var key, oldDir, dir;
  for (key in newDirs) {
    oldDir = oldDirs[key];
    dir = newDirs[key];
    if (!oldDir) {
      // new directive, bind
      callHook$1(dir, 'bind', vnode, oldVnode);
      if (dir.def && dir.def.inserted) {
        dirsWithInsert.push(dir);
      }
    } else {
      // existing directive, update
      dir.oldValue = oldDir.value;
      dir.oldArg = oldDir.arg;
      callHook$1(dir, 'update', vnode, oldVnode);
      if (dir.def && dir.def.componentUpdated) {
        dirsWithPostpatch.push(dir);
      }
    }
  }

  if (dirsWithInsert.length) {
    var callInsert = function () {
      for (var i = 0; i < dirsWithInsert.length; i++) {
        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
      }
    };
    if (isCreate) {
      mergeVNodeHook(vnode, 'insert', callInsert);
    } else {
      callInsert();
    }
  }

  if (dirsWithPostpatch.length) {
    mergeVNodeHook(vnode, 'postpatch', function () {
      for (var i = 0; i < dirsWithPostpatch.length; i++) {
        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
      }
    });
  }

  if (!isCreate) {
    for (key in oldDirs) {
      if (!newDirs[key]) {
        // no longer present, unbind
        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
      }
    }
  }
}

var emptyModifiers = Object.create(null);

function normalizeDirectives$1 (
  dirs,
  vm
) {
  var res = Object.create(null);
  if (!dirs) {
    // $flow-disable-line
    return res
  }
  var i, dir;
  for (i = 0; i < dirs.length; i++) {
    dir = dirs[i];
    if (!dir.modifiers) {
      // $flow-disable-line
      dir.modifiers = emptyModifiers;
    }
    res[getRawDirName(dir)] = dir;
    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
  }
  // $flow-disable-line
  return res
}

function getRawDirName (dir) {
  return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
}

function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
  var fn = dir.def && dir.def[hook];
  if (fn) {
    try {
      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
    } catch (e) {
      handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
    }
  }
}

var baseModules = [
  ref,
  directives
];

/*  */

function updateAttrs (oldVnode, vnode) {
  var opts = vnode.componentOptions;
  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
    return
  }
  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
    return
  }
  var key, cur, old;
  var elm = vnode.elm;
  var oldAttrs = oldVnode.data.attrs || {};
  var attrs = vnode.data.attrs || {};
  // clone observed objects, as the user probably wants to mutate it
  if (isDef(attrs.__ob__)) {
    attrs = vnode.data.attrs = extend({}, attrs);
  }

  for (key in attrs) {
    cur = attrs[key];
    old = oldAttrs[key];
    if (old !== cur) {
      setAttr(elm, key, cur);
    }
  }
  // #4391: in IE9, setting type can reset value for input[type=radio]
  // #6666: IE/Edge forces progress value down to 1 before setting a max
  /* istanbul ignore if */
  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
    setAttr(elm, 'value', attrs.value);
  }
  for (key in oldAttrs) {
    if (isUndef(attrs[key])) {
      if (isXlink(key)) {
        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
      } else if (!isEnumeratedAttr(key)) {
        elm.removeAttribute(key);
      }
    }
  }
}

function setAttr (el, key, value) {
  if (el.tagName.indexOf('-') > -1) {
    baseSetAttr(el, key, value);
  } else if (isBooleanAttr(key)) {
    // set attribute for blank value
    // e.g. <option disabled>Select one</option>
    if (isFalsyAttrValue(value)) {
      el.removeAttribute(key);
    } else {
      // technically allowfullscreen is a boolean attribute for <iframe>,
      // but Flash expects a value of "true" when used on <embed> tag
      value = key === 'allowfullscreen' && el.tagName === 'EMBED'
        ? 'true'
        : key;
      el.setAttribute(key, value);
    }
  } else if (isEnumeratedAttr(key)) {
    el.setAttribute(key, convertEnumeratedValue(key, value));
  } else if (isXlink(key)) {
    if (isFalsyAttrValue(value)) {
      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
    } else {
      el.setAttributeNS(xlinkNS, key, value);
    }
  } else {
    baseSetAttr(el, key, value);
  }
}

function baseSetAttr (el, key, value) {
  if (isFalsyAttrValue(value)) {
    el.removeAttribute(key);
  } else {
    // #7138: IE10 & 11 fires input event when setting placeholder on
    // <textarea>... block the first input event and remove the blocker
    // immediately.
    /* istanbul ignore if */
    if (
      isIE && !isIE9 &&
      el.tagName === 'TEXTAREA' &&
      key === 'placeholder' && value !== '' && !el.__ieph
    ) {
      var blocker = function (e) {
        e.stopImmediatePropagation();
        el.removeEventListener('input', blocker);
      };
      el.addEventListener('input', blocker);
      // $flow-disable-line
      el.__ieph = true; /* IE placeholder patched */
    }
    el.setAttribute(key, value);
  }
}

var attrs = {
  create: updateAttrs,
  update: updateAttrs
};

/*  */

function updateClass (oldVnode, vnode) {
  var el = vnode.elm;
  var data = vnode.data;
  var oldData = oldVnode.data;
  if (
    isUndef(data.staticClass) &&
    isUndef(data.class) && (
      isUndef(oldData) || (
        isUndef(oldData.staticClass) &&
        isUndef(oldData.class)
      )
    )
  ) {
    return
  }

  var cls = genClassForVnode(vnode);

  // handle transition classes
  var transitionClass = el._transitionClasses;
  if (isDef(transitionClass)) {
    cls = concat(cls, stringifyClass(transitionClass));
  }

  // set the class
  if (cls !== el._prevClass) {
    el.setAttribute('class', cls);
    el._prevClass = cls;
  }
}

var klass = {
  create: updateClass,
  update: updateClass
};

/*  */

var validDivisionCharRE = /[\w).+\-_$\]]/;

function parseFilters (exp) {
  var inSingle = false;
  var inDouble = false;
  var inTemplateString = false;
  var inRegex = false;
  var curly = 0;
  var square = 0;
  var paren = 0;
  var lastFilterIndex = 0;
  var c, prev, i, expression, filters;

  for (i = 0; i < exp.length; i++) {
    prev = c;
    c = exp.charCodeAt(i);
    if (inSingle) {
      if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
    } else if (inDouble) {
      if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
    } else if (inTemplateString) {
      if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
    } else if (inRegex) {
      if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
    } else if (
      c === 0x7C && // pipe
      exp.charCodeAt(i + 1) !== 0x7C &&
      exp.charCodeAt(i - 1) !== 0x7C &&
      !curly && !square && !paren
    ) {
      if (expression === undefined) {
        // first filter, end of expression
        lastFilterIndex = i + 1;
        expression = exp.slice(0, i).trim();
      } else {
        pushFilter();
      }
    } else {
      switch (c) {
        case 0x22: inDouble = true; break         // "
        case 0x27: inSingle = true; break         // '
        case 0x60: inTemplateString = true; break // `
        case 0x28: paren++; break                 // (
        case 0x29: paren--; break                 // )
        case 0x5B: square++; break                // [
        case 0x5D: square--; break                // ]
        case 0x7B: curly++; break                 // {
        case 0x7D: curly--; break                 // }
      }
      if (c === 0x2f) { // /
        var j = i - 1;
        var p = (void 0);
        // find first non-whitespace prev char
        for (; j >= 0; j--) {
          p = exp.charAt(j);
          if (p !== ' ') { break }
        }
        if (!p || !validDivisionCharRE.test(p)) {
          inRegex = true;
        }
      }
    }
  }

  if (expression === undefined) {
    expression = exp.slice(0, i).trim();
  } else if (lastFilterIndex !== 0) {
    pushFilter();
  }

  function pushFilter () {
    (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
    lastFilterIndex = i + 1;
  }

  if (filters) {
    for (i = 0; i < filters.length; i++) {
      expression = wrapFilter(expression, filters[i]);
    }
  }

  return expression
}

function wrapFilter (exp, filter) {
  var i = filter.indexOf('(');
  if (i < 0) {
    // _f: resolveFilter
    return ("_f(\"" + filter + "\")(" + exp + ")")
  } else {
    var name = filter.slice(0, i);
    var args = filter.slice(i + 1);
    return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
  }
}

/*  */



/* eslint-disable no-unused-vars */
function baseWarn (msg, range) {
  console.error(("[Vue compiler]: " + msg));
}
/* eslint-enable no-unused-vars */

function pluckModuleFunction (
  modules,
  key
) {
  return modules
    ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
    : []
}

function addProp (el, name, value, range, dynamic) {
  (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
  el.plain = false;
}

function addAttr (el, name, value, range, dynamic) {
  var attrs = dynamic
    ? (el.dynamicAttrs || (el.dynamicAttrs = []))
    : (el.attrs || (el.attrs = []));
  attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
  el.plain = false;
}

// add a raw attr (use this in preTransforms)
function addRawAttr (el, name, value, range) {
  el.attrsMap[name] = value;
  el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
}

function addDirective (
  el,
  name,
  rawName,
  value,
  arg,
  isDynamicArg,
  modifiers,
  range
) {
  (el.directives || (el.directives = [])).push(rangeSetItem({
    name: name,
    rawName: rawName,
    value: value,
    arg: arg,
    isDynamicArg: isDynamicArg,
    modifiers: modifiers
  }, range));
  el.plain = false;
}

function prependModifierMarker (symbol, name, dynamic) {
  return dynamic
    ? ("_p(" + name + ",\"" + symbol + "\")")
    : symbol + name // mark the event as captured
}

function addHandler (
  el,
  name,
  value,
  modifiers,
  important,
  warn,
  range,
  dynamic
) {
  modifiers = modifiers || emptyObject;
  // warn prevent and passive modifier
  /* istanbul ignore if */
  if (
    warn &&
    modifiers.prevent && modifiers.passive
  ) {
    warn(
      'passive and prevent can\'t be used together. ' +
      'Passive handler can\'t prevent default event.',
      range
    );
  }

  // normalize click.right and click.middle since they don't actually fire
  // this is technically browser-specific, but at least for now browsers are
  // the only target envs that have right/middle clicks.
  if (modifiers.right) {
    if (dynamic) {
      name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
    } else if (name === 'click') {
      name = 'contextmenu';
      delete modifiers.right;
    }
  } else if (modifiers.middle) {
    if (dynamic) {
      name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
    } else if (name === 'click') {
      name = 'mouseup';
    }
  }

  // check capture modifier
  if (modifiers.capture) {
    delete modifiers.capture;
    name = prependModifierMarker('!', name, dynamic);
  }
  if (modifiers.once) {
    delete modifiers.once;
    name = prependModifierMarker('~', name, dynamic);
  }
  /* istanbul ignore if */
  if (modifiers.passive) {
    delete modifiers.passive;
    name = prependModifierMarker('&', name, dynamic);
  }

  var events;
  if (modifiers.native) {
    delete modifiers.native;
    events = el.nativeEvents || (el.nativeEvents = {});
  } else {
    events = el.events || (el.events = {});
  }

  var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
  if (modifiers !== emptyObject) {
    newHandler.modifiers = modifiers;
  }

  var handlers = events[name];
  /* istanbul ignore if */
  if (Array.isArray(handlers)) {
    important ? handlers.unshift(newHandler) : handlers.push(newHandler);
  } else if (handlers) {
    events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
  } else {
    events[name] = newHandler;
  }

  el.plain = false;
}

function getRawBindingAttr (
  el,
  name
) {
  return el.rawAttrsMap[':' + name] ||
    el.rawAttrsMap['v-bind:' + name] ||
    el.rawAttrsMap[name]
}

function getBindingAttr (
  el,
  name,
  getStatic
) {
  var dynamicValue =
    getAndRemoveAttr(el, ':' + name) ||
    getAndRemoveAttr(el, 'v-bind:' + name);
  if (dynamicValue != null) {
    return parseFilters(dynamicValue)
  } else if (getStatic !== false) {
    var staticValue = getAndRemoveAttr(el, name);
    if (staticValue != null) {
      return JSON.stringify(staticValue)
    }
  }
}

// note: this only removes the attr from the Array (attrsList) so that it
// doesn't get processed by processAttrs.
// By default it does NOT remove it from the map (attrsMap) because the map is
// needed during codegen.
function getAndRemoveAttr (
  el,
  name,
  removeFromMap
) {
  var val;
  if ((val = el.attrsMap[name]) != null) {
    var list = el.attrsList;
    for (var i = 0, l = list.length; i < l; i++) {
      if (list[i].name === name) {
        list.splice(i, 1);
        break
      }
    }
  }
  if (removeFromMap) {
    delete el.attrsMap[name];
  }
  return val
}

function getAndRemoveAttrByRegex (
  el,
  name
) {
  var list = el.attrsList;
  for (var i = 0, l = list.length; i < l; i++) {
    var attr = list[i];
    if (name.test(attr.name)) {
      list.splice(i, 1);
      return attr
    }
  }
}

function rangeSetItem (
  item,
  range
) {
  if (range) {
    if (range.start != null) {
      item.start = range.start;
    }
    if (range.end != null) {
      item.end = range.end;
    }
  }
  return item
}

/*  */

/**
 * Cross-platform code generation for component v-model
 */
function genComponentModel (
  el,
  value,
  modifiers
) {
  var ref = modifiers || {};
  var number = ref.number;
  var trim = ref.trim;

  var baseValueExpression = '$$v';
  var valueExpression = baseValueExpression;
  if (trim) {
    valueExpression =
      "(typeof " + baseValueExpression + " === 'string'" +
      "? " + baseValueExpression + ".trim()" +
      ": " + baseValueExpression + ")";
  }
  if (number) {
    valueExpression = "_n(" + valueExpression + ")";
  }
  var assignment = genAssignmentCode(value, valueExpression);

  el.model = {
    value: ("(" + value + ")"),
    expression: JSON.stringify(value),
    callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
  };
}

/**
 * Cross-platform codegen helper for generating v-model value assignment code.
 */
function genAssignmentCode (
  value,
  assignment
) {
  var res = parseModel(value);
  if (res.key === null) {
    return (value + "=" + assignment)
  } else {
    return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
  }
}

/**
 * Parse a v-model expression into a base path and a final key segment.
 * Handles both dot-path and possible square brackets.
 *
 * Possible cases:
 *
 * - test
 * - test[key]
 * - test[test1[key]]
 * - test["a"][key]
 * - xxx.test[a[a].test1[key]]
 * - test.xxx.a["asa"][test1[key]]
 *
 */

var len, str, chr, index$1, expressionPos, expressionEndPos;



function parseModel (val) {
  // Fix https://github.com/vuejs/vue/pull/7730
  // allow v-model="obj.val " (trailing whitespace)
  val = val.trim();
  len = val.length;

  if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
    index$1 = val.lastIndexOf('.');
    if (index$1 > -1) {
      return {
        exp: val.slice(0, index$1),
        key: '"' + val.slice(index$1 + 1) + '"'
      }
    } else {
      return {
        exp: val,
        key: null
      }
    }
  }

  str = val;
  index$1 = expressionPos = expressionEndPos = 0;

  while (!eof()) {
    chr = next();
    /* istanbul ignore if */
    if (isStringStart(chr)) {
      parseString(chr);
    } else if (chr === 0x5B) {
      parseBracket(chr);
    }
  }

  return {
    exp: val.slice(0, expressionPos),
    key: val.slice(expressionPos + 1, expressionEndPos)
  }
}

function next () {
  return str.charCodeAt(++index$1)
}

function eof () {
  return index$1 >= len
}

function isStringStart (chr) {
  return chr === 0x22 || chr === 0x27
}

function parseBracket (chr) {
  var inBracket = 1;
  expressionPos = index$1;
  while (!eof()) {
    chr = next();
    if (isStringStart(chr)) {
      parseString(chr);
      continue
    }
    if (chr === 0x5B) { inBracket++; }
    if (chr === 0x5D) { inBracket--; }
    if (inBracket === 0) {
      expressionEndPos = index$1;
      break
    }
  }
}

function parseString (chr) {
  var stringQuote = chr;
  while (!eof()) {
    chr = next();
    if (chr === stringQuote) {
      break
    }
  }
}

/*  */

var warn$1;

// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';

function model (
  el,
  dir,
  _warn
) {
  warn$1 = _warn;
  var value = dir.value;
  var modifiers = dir.modifiers;
  var tag = el.tag;
  var type = el.attrsMap.type;

  {
    // inputs with type="file" are read only and setting the input's
    // value will throw an error.
    if (tag === 'input' && type === 'file') {
      warn$1(
        "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
        "File inputs are read only. Use a v-on:change listener instead.",
        el.rawAttrsMap['v-model']
      );
    }
  }

  if (el.component) {
    genComponentModel(el, value, modifiers);
    // component v-model doesn't need extra runtime
    return false
  } else if (tag === 'select') {
    genSelect(el, value, modifiers);
  } else if (tag === 'input' && type === 'checkbox') {
    genCheckboxModel(el, value, modifiers);
  } else if (tag === 'input' && type === 'radio') {
    genRadioModel(el, value, modifiers);
  } else if (tag === 'input' || tag === 'textarea') {
    genDefaultModel(el, value, modifiers);
  } else if (!config.isReservedTag(tag)) {
    genComponentModel(el, value, modifiers);
    // component v-model doesn't need extra runtime
    return false
  } else {
    warn$1(
      "<" + (el.tag) + " v-model=\"" + value + "\">: " +
      "v-model is not supported on this element type. " +
      'If you are working with contenteditable, it\'s recommended to ' +
      'wrap a library dedicated for that purpose inside a custom component.',
      el.rawAttrsMap['v-model']
    );
  }

  // ensure runtime directive metadata
  return true
}

function genCheckboxModel (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var valueBinding = getBindingAttr(el, 'value') || 'null';
  var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
  var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
  addProp(el, 'checked',
    "Array.isArray(" + value + ")" +
    "?_i(" + value + "," + valueBinding + ")>-1" + (
      trueValueBinding === 'true'
        ? (":(" + value + ")")
        : (":_q(" + value + "," + trueValueBinding + ")")
    )
  );
  addHandler(el, 'change',
    "var $$a=" + value + "," +
        '$$el=$event.target,' +
        "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
    'if(Array.isArray($$a)){' +
      "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
          '$$i=_i($$a,$$v);' +
      "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
      "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
    "}else{" + (genAssignmentCode(value, '$$c')) + "}",
    null, true
  );
}

function genRadioModel (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var valueBinding = getBindingAttr(el, 'value') || 'null';
  valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
  addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
  addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
}

function genSelect (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var selectedVal = "Array.prototype.filter" +
    ".call($event.target.options,function(o){return o.selected})" +
    ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
    "return " + (number ? '_n(val)' : 'val') + "})";

  var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
  var code = "var $$selectedVal = " + selectedVal + ";";
  code = code + " " + (genAssignmentCode(value, assignment));
  addHandler(el, 'change', code, null, true);
}

function genDefaultModel (
  el,
  value,
  modifiers
) {
  var type = el.attrsMap.type;

  // warn if v-bind:value conflicts with v-model
  // except for inputs with v-bind:type
  {
    var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
    var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
    if (value$1 && !typeBinding) {
      var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
      warn$1(
        binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
        'because the latter already expands to a value binding internally',
        el.rawAttrsMap[binding]
      );
    }
  }

  var ref = modifiers || {};
  var lazy = ref.lazy;
  var number = ref.number;
  var trim = ref.trim;
  var needCompositionGuard = !lazy && type !== 'range';
  var event = lazy
    ? 'change'
    : type === 'range'
      ? RANGE_TOKEN
      : 'input';

  var valueExpression = '$event.target.value';
  if (trim) {
    valueExpression = "$event.target.value.trim()";
  }
  if (number) {
    valueExpression = "_n(" + valueExpression + ")";
  }

  var code = genAssignmentCode(value, valueExpression);
  if (needCompositionGuard) {
    code = "if($event.target.composing)return;" + code;
  }

  addProp(el, 'value', ("(" + value + ")"));
  addHandler(el, event, code, null, true);
  if (trim || number) {
    addHandler(el, 'blur', '$forceUpdate()');
  }
}

/*  */

// normalize v-model event tokens that can only be determined at runtime.
// it's important to place the event as the first in the array because
// the whole point is ensuring the v-model callback gets called before
// user-attached handlers.
function normalizeEvents (on) {
  /* istanbul ignore if */
  if (isDef(on[RANGE_TOKEN])) {
    // IE input[type=range] only supports `change` event
    var event = isIE ? 'change' : 'input';
    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
    delete on[RANGE_TOKEN];
  }
  // This was originally intended to fix #4521 but no longer necessary
  // after 2.5. Keeping it for backwards compat with generated code from < 2.4
  /* istanbul ignore if */
  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
    delete on[CHECKBOX_RADIO_TOKEN];
  }
}

var target$1;

function createOnceHandler$1 (event, handler, capture) {
  var _target = target$1; // save current target element in closure
  return function onceHandler () {
    var res = handler.apply(null, arguments);
    if (res !== null) {
      remove$2(event, onceHandler, capture, _target);
    }
  }
}

// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.
var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);

function add$1 (
  name,
  handler,
  capture,
  passive
) {
  // async edge case #6566: inner click event triggers patch, event handler
  // attached to outer element during patch, and triggered again. This
  // happens because browsers fire microtask ticks between event propagation.
  // the solution is simple: we save the timestamp when a handler is attached,
  // and the handler would only fire if the event passed to it was fired
  // AFTER it was attached.
  if (useMicrotaskFix) {
    var attachedTimestamp = currentFlushTimestamp;
    var original = handler;
    handler = original._wrapper = function (e) {
      if (
        // no bubbling, should always fire.
        // this is just a safety net in case event.timeStamp is unreliable in
        // certain weird environments...
        e.target === e.currentTarget ||
        // event is fired after handler attachment
        e.timeStamp >= attachedTimestamp ||
        // bail for environments that have buggy event.timeStamp implementations
        // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
        // #9681 QtWebEngine event.timeStamp is negative value
        e.timeStamp <= 0 ||
        // #9448 bail if event is fired in another document in a multi-page
        // electron/nw.js app, since event.timeStamp will be using a different
        // starting reference
        e.target.ownerDocument !== document
      ) {
        return original.apply(this, arguments)
      }
    };
  }
  target$1.addEventListener(
    name,
    handler,
    supportsPassive
      ? { capture: capture, passive: passive }
      : capture
  );
}

function remove$2 (
  name,
  handler,
  capture,
  _target
) {
  (_target || target$1).removeEventListener(
    name,
    handler._wrapper || handler,
    capture
  );
}

function updateDOMListeners (oldVnode, vnode) {
  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
    return
  }
  var on = vnode.data.on || {};
  var oldOn = oldVnode.data.on || {};
  target$1 = vnode.elm;
  normalizeEvents(on);
  updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
  target$1 = undefined;
}

var events = {
  create: updateDOMListeners,
  update: updateDOMListeners
};

/*  */

var svgContainer;

function updateDOMProps (oldVnode, vnode) {
  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
    return
  }
  var key, cur;
  var elm = vnode.elm;
  var oldProps = oldVnode.data.domProps || {};
  var props = vnode.data.domProps || {};
  // clone observed objects, as the user probably wants to mutate it
  if (isDef(props.__ob__)) {
    props = vnode.data.domProps = extend({}, props);
  }

  for (key in oldProps) {
    if (!(key in props)) {
      elm[key] = '';
    }
  }

  for (key in props) {
    cur = props[key];
    // ignore children if the node has textContent or innerHTML,
    // as these will throw away existing DOM nodes and cause removal errors
    // on subsequent patches (#3360)
    if (key === 'textContent' || key === 'innerHTML') {
      if (vnode.children) { vnode.children.length = 0; }
      if (cur === oldProps[key]) { continue }
      // #6601 work around Chrome version <= 55 bug where single textNode
      // replaced by innerHTML/textContent retains its parentNode property
      if (elm.childNodes.length === 1) {
        elm.removeChild(elm.childNodes[0]);
      }
    }

    if (key === 'value' && elm.tagName !== 'PROGRESS') {
      // store value as _value as well since
      // non-string values will be stringified
      elm._value = cur;
      // avoid resetting cursor position when value is the same
      var strCur = isUndef(cur) ? '' : String(cur);
      if (shouldUpdateValue(elm, strCur)) {
        elm.value = strCur;
      }
    } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
      // IE doesn't support innerHTML for SVG elements
      svgContainer = svgContainer || document.createElement('div');
      svgContainer.innerHTML = "<svg>" + cur + "</svg>";
      var svg = svgContainer.firstChild;
      while (elm.firstChild) {
        elm.removeChild(elm.firstChild);
      }
      while (svg.firstChild) {
        elm.appendChild(svg.firstChild);
      }
    } else if (
      // skip the update if old and new VDOM state is the same.
      // `value` is handled separately because the DOM value may be temporarily
      // out of sync with VDOM state due to focus, composition and modifiers.
      // This  #4521 by skipping the unnecesarry `checked` update.
      cur !== oldProps[key]
    ) {
      // some property updates can throw
      // e.g. `value` on <progress> w/ non-finite value
      try {
        elm[key] = cur;
      } catch (e) {}
    }
  }
}

// check platforms/web/util/attrs.js acceptValue


function shouldUpdateValue (elm, checkVal) {
  return (!elm.composing && (
    elm.tagName === 'OPTION' ||
    isNotInFocusAndDirty(elm, checkVal) ||
    isDirtyWithModifiers(elm, checkVal)
  ))
}

function isNotInFocusAndDirty (elm, checkVal) {
  // return true when textbox (.number and .trim) loses focus and its value is
  // not equal to the updated value
  var notInFocus = true;
  // #6157
  // work around IE bug when accessing document.activeElement in an iframe
  try { notInFocus = document.activeElement !== elm; } catch (e) {}
  return notInFocus && elm.value !== checkVal
}

function isDirtyWithModifiers (elm, newVal) {
  var value = elm.value;
  var modifiers = elm._vModifiers; // injected by v-model runtime
  if (isDef(modifiers)) {
    if (modifiers.number) {
      return toNumber(value) !== toNumber(newVal)
    }
    if (modifiers.trim) {
      return value.trim() !== newVal.trim()
    }
  }
  return value !== newVal
}

var domProps = {
  create: updateDOMProps,
  update: updateDOMProps
};

/*  */

var parseStyleText = cached(function (cssText) {
  var res = {};
  var listDelimiter = /;(?![^(]*\))/g;
  var propertyDelimiter = /:(.+)/;
  cssText.split(listDelimiter).forEach(function (item) {
    if (item) {
      var tmp = item.split(propertyDelimiter);
      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
    }
  });
  return res
});

// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
  var style = normalizeStyleBinding(data.style);
  // static style is pre-processed into an object during compilation
  // and is always a fresh object, so it's safe to merge into it
  return data.staticStyle
    ? extend(data.staticStyle, style)
    : style
}

// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
  if (Array.isArray(bindingStyle)) {
    return toObject(bindingStyle)
  }
  if (typeof bindingStyle === 'string') {
    return parseStyleText(bindingStyle)
  }
  return bindingStyle
}

/**
 * parent component style should be after child's
 * so that parent component's style could override it
 */
function getStyle (vnode, checkChild) {
  var res = {};
  var styleData;

  if (checkChild) {
    var childNode = vnode;
    while (childNode.componentInstance) {
      childNode = childNode.componentInstance._vnode;
      if (
        childNode && childNode.data &&
        (styleData = normalizeStyleData(childNode.data))
      ) {
        extend(res, styleData);
      }
    }
  }

  if ((styleData = normalizeStyleData(vnode.data))) {
    extend(res, styleData);
  }

  var parentNode = vnode;
  while ((parentNode = parentNode.parent)) {
    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
      extend(res, styleData);
    }
  }
  return res
}

/*  */

var cssVarRE = /^--/;
var importantRE = /\s*!important$/;
var setProp = function (el, name, val) {
  /* istanbul ignore if */
  if (cssVarRE.test(name)) {
    el.style.setProperty(name, val);
  } else if (importantRE.test(val)) {
    el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
  } else {
    var normalizedName = normalize(name);
    if (Array.isArray(val)) {
      // Support values array created by autoprefixer, e.g.
      // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
      // Set them one by one, and the browser will only set those it can recognize
      for (var i = 0, len = val.length; i < len; i++) {
        el.style[normalizedName] = val[i];
      }
    } else {
      el.style[normalizedName] = val;
    }
  }
};

var vendorNames = ['Webkit', 'Moz', 'ms'];

var emptyStyle;
var normalize = cached(function (prop) {
  emptyStyle = emptyStyle || document.createElement('div').style;
  prop = camelize(prop);
  if (prop !== 'filter' && (prop in emptyStyle)) {
    return prop
  }
  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
  for (var i = 0; i < vendorNames.length; i++) {
    var name = vendorNames[i] + capName;
    if (name in emptyStyle) {
      return name
    }
  }
});

function updateStyle (oldVnode, vnode) {
  var data = vnode.data;
  var oldData = oldVnode.data;

  if (isUndef(data.staticStyle) && isUndef(data.style) &&
    isUndef(oldData.staticStyle) && isUndef(oldData.style)
  ) {
    return
  }

  var cur, name;
  var el = vnode.elm;
  var oldStaticStyle = oldData.staticStyle;
  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};

  // if static style exists, stylebinding already merged into it when doing normalizeStyleData
  var oldStyle = oldStaticStyle || oldStyleBinding;

  var style = normalizeStyleBinding(vnode.data.style) || {};

  // store normalized style under a different key for next diff
  // make sure to clone it if it's reactive, since the user likely wants
  // to mutate it.
  vnode.data.normalizedStyle = isDef(style.__ob__)
    ? extend({}, style)
    : style;

  var newStyle = getStyle(vnode, true);

  for (name in oldStyle) {
    if (isUndef(newStyle[name])) {
      setProp(el, name, '');
    }
  }
  for (name in newStyle) {
    cur = newStyle[name];
    if (cur !== oldStyle[name]) {
      // ie9 setting to null has no effect, must use empty string
      setProp(el, name, cur == null ? '' : cur);
    }
  }
}

var style = {
  create: updateStyle,
  update: updateStyle
};

/*  */

var whitespaceRE = /\s+/;

/**
 * Add class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */
function addClass (el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return
  }

  /* istanbul ignore else */
  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
    } else {
      el.classList.add(cls);
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    if (cur.indexOf(' ' + cls + ' ') < 0) {
      el.setAttribute('class', (cur + cls).trim());
    }
  }
}

/**
 * Remove class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */
function removeClass (el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return
  }

  /* istanbul ignore else */
  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
    } else {
      el.classList.remove(cls);
    }
    if (!el.classList.length) {
      el.removeAttribute('class');
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    var tar = ' ' + cls + ' ';
    while (cur.indexOf(tar) >= 0) {
      cur = cur.replace(tar, ' ');
    }
    cur = cur.trim();
    if (cur) {
      el.setAttribute('class', cur);
    } else {
      el.removeAttribute('class');
    }
  }
}

/*  */

function resolveTransition (def$$1) {
  if (!def$$1) {
    return
  }
  /* istanbul ignore else */
  if (typeof def$$1 === 'object') {
    var res = {};
    if (def$$1.css !== false) {
      extend(res, autoCssTransition(def$$1.name || 'v'));
    }
    extend(res, def$$1);
    return res
  } else if (typeof def$$1 === 'string') {
    return autoCssTransition(def$$1)
  }
}

var autoCssTransition = cached(function (name) {
  return {
    enterClass: (name + "-enter"),
    enterToClass: (name + "-enter-to"),
    enterActiveClass: (name + "-enter-active"),
    leaveClass: (name + "-leave"),
    leaveToClass: (name + "-leave-to"),
    leaveActiveClass: (name + "-leave-active")
  }
});

var hasTransition = inBrowser && !isIE9;
var TRANSITION = 'transition';
var ANIMATION = 'animation';

// Transition property/event sniffing
var transitionProp = 'transition';
var transitionEndEvent = 'transitionend';
var animationProp = 'animation';
var animationEndEvent = 'animationend';
if (hasTransition) {
  /* istanbul ignore if */
  if (window.ontransitionend === undefined &&
    window.onwebkittransitionend !== undefined
  ) {
    transitionProp = 'WebkitTransition';
    transitionEndEvent = 'webkitTransitionEnd';
  }
  if (window.onanimationend === undefined &&
    window.onwebkitanimationend !== undefined
  ) {
    animationProp = 'WebkitAnimation';
    animationEndEvent = 'webkitAnimationEnd';
  }
}

// binding to window is necessary to make hot reload work in IE in strict mode
var raf = inBrowser
  ? window.requestAnimationFrame
    ? window.requestAnimationFrame.bind(window)
    : setTimeout
  : /* istanbul ignore next */ function (fn) { return fn(); };

function nextFrame (fn) {
  raf(function () {
    raf(fn);
  });
}

function addTransitionClass (el, cls) {
  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
  if (transitionClasses.indexOf(cls) < 0) {
    transitionClasses.push(cls);
    addClass(el, cls);
  }
}

function removeTransitionClass (el, cls) {
  if (el._transitionClasses) {
    remove(el._transitionClasses, cls);
  }
  removeClass(el, cls);
}

function whenTransitionEnds (
  el,
  expectedType,
  cb
) {
  var ref = getTransitionInfo(el, expectedType);
  var type = ref.type;
  var timeout = ref.timeout;
  var propCount = ref.propCount;
  if (!type) { return cb() }
  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
  var ended = 0;
  var end = function () {
    el.removeEventListener(event, onEnd);
    cb();
  };
  var onEnd = function (e) {
    if (e.target === el) {
      if (++ended >= propCount) {
        end();
      }
    }
  };
  setTimeout(function () {
    if (ended < propCount) {
      end();
    }
  }, timeout + 1);
  el.addEventListener(event, onEnd);
}

var transformRE = /\b(transform|all)(,|$)/;

function getTransitionInfo (el, expectedType) {
  var styles = window.getComputedStyle(el);
  // JSDOM may return undefined for transition properties
  var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
  var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
  var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
  var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
  var animationTimeout = getTimeout(animationDelays, animationDurations);

  var type;
  var timeout = 0;
  var propCount = 0;
  /* istanbul ignore if */
  if (expectedType === TRANSITION) {
    if (transitionTimeout > 0) {
      type = TRANSITION;
      timeout = transitionTimeout;
      propCount = transitionDurations.length;
    }
  } else if (expectedType === ANIMATION) {
    if (animationTimeout > 0) {
      type = ANIMATION;
      timeout = animationTimeout;
      propCount = animationDurations.length;
    }
  } else {
    timeout = Math.max(transitionTimeout, animationTimeout);
    type = timeout > 0
      ? transitionTimeout > animationTimeout
        ? TRANSITION
        : ANIMATION
      : null;
    propCount = type
      ? type === TRANSITION
        ? transitionDurations.length
        : animationDurations.length
      : 0;
  }
  var hasTransform =
    type === TRANSITION &&
    transformRE.test(styles[transitionProp + 'Property']);
  return {
    type: type,
    timeout: timeout,
    propCount: propCount,
    hasTransform: hasTransform
  }
}

function getTimeout (delays, durations) {
  /* istanbul ignore next */
  while (delays.length < durations.length) {
    delays = delays.concat(delays);
  }

  return Math.max.apply(null, durations.map(function (d, i) {
    return toMs(d) + toMs(delays[i])
  }))
}

// Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
// in a locale-dependent way, using a comma instead of a dot.
// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
// as a floor function) causing unexpected behaviors
function toMs (s) {
  return Number(s.slice(0, -1).replace(',', '.')) * 1000
}

/*  */

function enter (vnode, toggleDisplay) {
  var el = vnode.elm;

  // call leave callback now
  if (isDef(el._leaveCb)) {
    el._leaveCb.cancelled = true;
    el._leaveCb();
  }

  var data = resolveTransition(vnode.data.transition);
  if (isUndef(data)) {
    return
  }

  /* istanbul ignore if */
  if (isDef(el._enterCb) || el.nodeType !== 1) {
    return
  }

  var css = data.css;
  var type = data.type;
  var enterClass = data.enterClass;
  var enterToClass = data.enterToClass;
  var enterActiveClass = data.enterActiveClass;
  var appearClass = data.appearClass;
  var appearToClass = data.appearToClass;
  var appearActiveClass = data.appearActiveClass;
  var beforeEnter = data.beforeEnter;
  var enter = data.enter;
  var afterEnter = data.afterEnter;
  var enterCancelled = data.enterCancelled;
  var beforeAppear = data.beforeAppear;
  var appear = data.appear;
  var afterAppear = data.afterAppear;
  var appearCancelled = data.appearCancelled;
  var duration = data.duration;

  // activeInstance will always be the <transition> component managing this
  // transition. One edge case to check is when the <transition> is placed
  // as the root node of a child component. In that case we need to check
  // <transition>'s parent for appear check.
  var context = activeInstance;
  var transitionNode = activeInstance.$vnode;
  while (transitionNode && transitionNode.parent) {
    context = transitionNode.context;
    transitionNode = transitionNode.parent;
  }

  var isAppear = !context._isMounted || !vnode.isRootInsert;

  if (isAppear && !appear && appear !== '') {
    return
  }

  var startClass = isAppear && appearClass
    ? appearClass
    : enterClass;
  var activeClass = isAppear && appearActiveClass
    ? appearActiveClass
    : enterActiveClass;
  var toClass = isAppear && appearToClass
    ? appearToClass
    : enterToClass;

  var beforeEnterHook = isAppear
    ? (beforeAppear || beforeEnter)
    : beforeEnter;
  var enterHook = isAppear
    ? (typeof appear === 'function' ? appear : enter)
    : enter;
  var afterEnterHook = isAppear
    ? (afterAppear || afterEnter)
    : afterEnter;
  var enterCancelledHook = isAppear
    ? (appearCancelled || enterCancelled)
    : enterCancelled;

  var explicitEnterDuration = toNumber(
    isObject(duration)
      ? duration.enter
      : duration
  );

  if (explicitEnterDuration != null) {
    checkDuration(explicitEnterDuration, 'enter', vnode);
  }

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(enterHook);

  var cb = el._enterCb = once(function () {
    if (expectsCSS) {
      removeTransitionClass(el, toClass);
      removeTransitionClass(el, activeClass);
    }
    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, startClass);
      }
      enterCancelledHook && enterCancelledHook(el);
    } else {
      afterEnterHook && afterEnterHook(el);
    }
    el._enterCb = null;
  });

  if (!vnode.data.show) {
    // remove pending leave element on enter by injecting an insert hook
    mergeVNodeHook(vnode, 'insert', function () {
      var parent = el.parentNode;
      var pendingNode = parent && parent._pending && parent._pending[vnode.key];
      if (pendingNode &&
        pendingNode.tag === vnode.tag &&
        pendingNode.elm._leaveCb
      ) {
        pendingNode.elm._leaveCb();
      }
      enterHook && enterHook(el, cb);
    });
  }

  // start enter transition
  beforeEnterHook && beforeEnterHook(el);
  if (expectsCSS) {
    addTransitionClass(el, startClass);
    addTransitionClass(el, activeClass);
    nextFrame(function () {
      removeTransitionClass(el, startClass);
      if (!cb.cancelled) {
        addTransitionClass(el, toClass);
        if (!userWantsControl) {
          if (isValidDuration(explicitEnterDuration)) {
            setTimeout(cb, explicitEnterDuration);
          } else {
            whenTransitionEnds(el, type, cb);
          }
        }
      }
    });
  }

  if (vnode.data.show) {
    toggleDisplay && toggleDisplay();
    enterHook && enterHook(el, cb);
  }

  if (!expectsCSS && !userWantsControl) {
    cb();
  }
}

function leave (vnode, rm) {
  var el = vnode.elm;

  // call enter callback now
  if (isDef(el._enterCb)) {
    el._enterCb.cancelled = true;
    el._enterCb();
  }

  var data = resolveTransition(vnode.data.transition);
  if (isUndef(data) || el.nodeType !== 1) {
    return rm()
  }

  /* istanbul ignore if */
  if (isDef(el._leaveCb)) {
    return
  }

  var css = data.css;
  var type = data.type;
  var leaveClass = data.leaveClass;
  var leaveToClass = data.leaveToClass;
  var leaveActiveClass = data.leaveActiveClass;
  var beforeLeave = data.beforeLeave;
  var leave = data.leave;
  var afterLeave = data.afterLeave;
  var leaveCancelled = data.leaveCancelled;
  var delayLeave = data.delayLeave;
  var duration = data.duration;

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(leave);

  var explicitLeaveDuration = toNumber(
    isObject(duration)
      ? duration.leave
      : duration
  );

  if (isDef(explicitLeaveDuration)) {
    checkDuration(explicitLeaveDuration, 'leave', vnode);
  }

  var cb = el._leaveCb = once(function () {
    if (el.parentNode && el.parentNode._pending) {
      el.parentNode._pending[vnode.key] = null;
    }
    if (expectsCSS) {
      removeTransitionClass(el, leaveToClass);
      removeTransitionClass(el, leaveActiveClass);
    }
    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, leaveClass);
      }
      leaveCancelled && leaveCancelled(el);
    } else {
      rm();
      afterLeave && afterLeave(el);
    }
    el._leaveCb = null;
  });

  if (delayLeave) {
    delayLeave(performLeave);
  } else {
    performLeave();
  }

  function performLeave () {
    // the delayed leave may have already been cancelled
    if (cb.cancelled) {
      return
    }
    // record leaving element
    if (!vnode.data.show && el.parentNode) {
      (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
    }
    beforeLeave && beforeLeave(el);
    if (expectsCSS) {
      addTransitionClass(el, leaveClass);
      addTransitionClass(el, leaveActiveClass);
      nextFrame(function () {
        removeTransitionClass(el, leaveClass);
        if (!cb.cancelled) {
          addTransitionClass(el, leaveToClass);
          if (!userWantsControl) {
            if (isValidDuration(explicitLeaveDuration)) {
              setTimeout(cb, explicitLeaveDuration);
            } else {
              whenTransitionEnds(el, type, cb);
            }
          }
        }
      });
    }
    leave && leave(el, cb);
    if (!expectsCSS && !userWantsControl) {
      cb();
    }
  }
}

// only used in dev mode
function checkDuration (val, name, vnode) {
  if (typeof val !== 'number') {
    warn(
      "<transition> explicit " + name + " duration is not a valid number - " +
      "got " + (JSON.stringify(val)) + ".",
      vnode.context
    );
  } else if (isNaN(val)) {
    warn(
      "<transition> explicit " + name + " duration is NaN - " +
      'the duration expression might be incorrect.',
      vnode.context
    );
  }
}

function isValidDuration (val) {
  return typeof val === 'number' && !isNaN(val)
}

/**
 * Normalize a transition hook's argument length. The hook may be:
 * - a merged hook (invoker) with the original in .fns
 * - a wrapped component method (check ._length)
 * - a plain function (.length)
 */
function getHookArgumentsLength (fn) {
  if (isUndef(fn)) {
    return false
  }
  var invokerFns = fn.fns;
  if (isDef(invokerFns)) {
    // invoker
    return getHookArgumentsLength(
      Array.isArray(invokerFns)
        ? invokerFns[0]
        : invokerFns
    )
  } else {
    return (fn._length || fn.length) > 1
  }
}

function _enter (_, vnode) {
  if (vnode.data.show !== true) {
    enter(vnode);
  }
}

var transition = inBrowser ? {
  create: _enter,
  activate: _enter,
  remove: function remove$$1 (vnode, rm) {
    /* istanbul ignore else */
    if (vnode.data.show !== true) {
      leave(vnode, rm);
    } else {
      rm();
    }
  }
} : {};

var platformModules = [
  attrs,
  klass,
  events,
  domProps,
  style,
  transition
];

/*  */

// the directive module should be applied last, after all
// built-in modules have been applied.
var modules = platformModules.concat(baseModules);

var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });

/**
 * Not type checking this file because flow doesn't like attaching
 * properties to Elements.
 */

/* istanbul ignore if */
if (isIE9) {
  // http://www.matts411.com/post/internet-explorer-9-oninput/
  document.addEventListener('selectionchange', function () {
    var el = document.activeElement;
    if (el && el.vmodel) {
      trigger(el, 'input');
    }
  });
}

var directive = {
  inserted: function inserted (el, binding, vnode, oldVnode) {
    if (vnode.tag === 'select') {
      // #6903
      if (oldVnode.elm && !oldVnode.elm._vOptions) {
        mergeVNodeHook(vnode, 'postpatch', function () {
          directive.componentUpdated(el, binding, vnode);
        });
      } else {
        setSelected(el, binding, vnode.context);
      }
      el._vOptions = [].map.call(el.options, getValue);
    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
      el._vModifiers = binding.modifiers;
      if (!binding.modifiers.lazy) {
        el.addEventListener('compositionstart', onCompositionStart);
        el.addEventListener('compositionend', onCompositionEnd);
        // Safari < 10.2 & UIWebView doesn't fire compositionend when
        // switching focus before confirming composition choice
        // this also fixes the issue where some browsers e.g. iOS Chrome
        // fires "change" instead of "input" on autocomplete.
        el.addEventListener('change', onCompositionEnd);
        /* istanbul ignore if */
        if (isIE9) {
          el.vmodel = true;
        }
      }
    }
  },

  componentUpdated: function componentUpdated (el, binding, vnode) {
    if (vnode.tag === 'select') {
      setSelected(el, binding, vnode.context);
      // in case the options rendered by v-for have changed,
      // it's possible that the value is out-of-sync with the rendered options.
      // detect such cases and filter out values that no longer has a matching
      // option in the DOM.
      var prevOptions = el._vOptions;
      var curOptions = el._vOptions = [].map.call(el.options, getValue);
      if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
        // trigger change event if
        // no matching option found for at least one value
        var needReset = el.multiple
          ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
        if (needReset) {
          trigger(el, 'change');
        }
      }
    }
  }
};

function setSelected (el, binding, vm) {
  actuallySetSelected(el, binding, vm);
  /* istanbul ignore if */
  if (isIE || isEdge) {
    setTimeout(function () {
      actuallySetSelected(el, binding, vm);
    }, 0);
  }
}

function actuallySetSelected (el, binding, vm) {
  var value = binding.value;
  var isMultiple = el.multiple;
  if (isMultiple && !Array.isArray(value)) {
    warn(
      "<select multiple v-model=\"" + (binding.expression) + "\"> " +
      "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
      vm
    );
    return
  }
  var selected, option;
  for (var i = 0, l = el.options.length; i < l; i++) {
    option = el.options[i];
    if (isMultiple) {
      selected = looseIndexOf(value, getValue(option)) > -1;
      if (option.selected !== selected) {
        option.selected = selected;
      }
    } else {
      if (looseEqual(getValue(option), value)) {
        if (el.selectedIndex !== i) {
          el.selectedIndex = i;
        }
        return
      }
    }
  }
  if (!isMultiple) {
    el.selectedIndex = -1;
  }
}

function hasNoMatchingOption (value, options) {
  return options.every(function (o) { return !looseEqual(o, value); })
}

function getValue (option) {
  return '_value' in option
    ? option._value
    : option.value
}

function onCompositionStart (e) {
  e.target.composing = true;
}

function onCompositionEnd (e) {
  // prevent triggering an input event for no reason
  if (!e.target.composing) { return }
  e.target.composing = false;
  trigger(e.target, 'input');
}

function trigger (el, type) {
  var e = document.createEvent('HTMLEvents');
  e.initEvent(type, true, true);
  el.dispatchEvent(e);
}

/*  */

// recursively search for possible transition defined inside the component root
function locateNode (vnode) {
  return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
    ? locateNode(vnode.componentInstance._vnode)
    : vnode
}

var show = {
  bind: function bind (el, ref, vnode) {
    var value = ref.value;

    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    var originalDisplay = el.__vOriginalDisplay =
      el.style.display === 'none' ? '' : el.style.display;
    if (value && transition$$1) {
      vnode.data.show = true;
      enter(vnode, function () {
        el.style.display = originalDisplay;
      });
    } else {
      el.style.display = value ? originalDisplay : 'none';
    }
  },

  update: function update (el, ref, vnode) {
    var value = ref.value;
    var oldValue = ref.oldValue;

    /* istanbul ignore if */
    if (!value === !oldValue) { return }
    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    if (transition$$1) {
      vnode.data.show = true;
      if (value) {
        enter(vnode, function () {
          el.style.display = el.__vOriginalDisplay;
        });
      } else {
        leave(vnode, function () {
          el.style.display = 'none';
        });
      }
    } else {
      el.style.display = value ? el.__vOriginalDisplay : 'none';
    }
  },

  unbind: function unbind (
    el,
    binding,
    vnode,
    oldVnode,
    isDestroy
  ) {
    if (!isDestroy) {
      el.style.display = el.__vOriginalDisplay;
    }
  }
};

var platformDirectives = {
  model: directive,
  show: show
};

/*  */

var transitionProps = {
  name: String,
  appear: Boolean,
  css: Boolean,
  mode: String,
  type: String,
  enterClass: String,
  leaveClass: String,
  enterToClass: String,
  leaveToClass: String,
  enterActiveClass: String,
  leaveActiveClass: String,
  appearClass: String,
  appearActiveClass: String,
  appearToClass: String,
  duration: [Number, String, Object]
};

// in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered
function getRealChild (vnode) {
  var compOptions = vnode && vnode.componentOptions;
  if (compOptions && compOptions.Ctor.options.abstract) {
    return getRealChild(getFirstComponentChild(compOptions.children))
  } else {
    return vnode
  }
}

function extractTransitionData (comp) {
  var data = {};
  var options = comp.$options;
  // props
  for (var key in options.propsData) {
    data[key] = comp[key];
  }
  // events.
  // extract listeners and pass them directly to the transition methods
  var listeners = options._parentListeners;
  for (var key$1 in listeners) {
    data[camelize(key$1)] = listeners[key$1];
  }
  return data
}

function placeholder (h, rawChild) {
  if (/\d-keep-alive$/.test(rawChild.tag)) {
    return h('keep-alive', {
      props: rawChild.componentOptions.propsData
    })
  }
}

function hasParentTransition (vnode) {
  while ((vnode = vnode.parent)) {
    if (vnode.data.transition) {
      return true
    }
  }
}

function isSameChild (child, oldChild) {
  return oldChild.key === child.key && oldChild.tag === child.tag
}

var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };

var isVShowDirective = function (d) { return d.name === 'show'; };

var Transition = {
  name: 'transition',
  props: transitionProps,
  abstract: true,

  render: function render (h) {
    var this$1 = this;

    var children = this.$slots.default;
    if (!children) {
      return
    }

    // filter out text nodes (possible whitespaces)
    children = children.filter(isNotTextNode);
    /* istanbul ignore if */
    if (!children.length) {
      return
    }

    // warn multiple elements
    if (children.length > 1) {
      warn(
        '<transition> can only be used on a single element. Use ' +
        '<transition-group> for lists.',
        this.$parent
      );
    }

    var mode = this.mode;

    // warn invalid mode
    if (mode && mode !== 'in-out' && mode !== 'out-in'
    ) {
      warn(
        'invalid <transition> mode: ' + mode,
        this.$parent
      );
    }

    var rawChild = children[0];

    // if this is a component root node and the component's
    // parent container node also has transition, skip.
    if (hasParentTransition(this.$vnode)) {
      return rawChild
    }

    // apply transition data to child
    // use getRealChild() to ignore abstract components e.g. keep-alive
    var child = getRealChild(rawChild);
    /* istanbul ignore if */
    if (!child) {
      return rawChild
    }

    if (this._leaving) {
      return placeholder(h, rawChild)
    }

    // ensure a key that is unique to the vnode type and to this transition
    // component instance. This key will be used to remove pending leaving nodes
    // during entering.
    var id = "__transition-" + (this._uid) + "-";
    child.key = child.key == null
      ? child.isComment
        ? id + 'comment'
        : id + child.tag
      : isPrimitive(child.key)
        ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
        : child.key;

    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
    var oldRawChild = this._vnode;
    var oldChild = getRealChild(oldRawChild);

    // mark v-show
    // so that the transition module can hand over the control to the directive
    if (child.data.directives && child.data.directives.some(isVShowDirective)) {
      child.data.show = true;
    }

    if (
      oldChild &&
      oldChild.data &&
      !isSameChild(child, oldChild) &&
      !isAsyncPlaceholder(oldChild) &&
      // #6687 component root is a comment node
      !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
    ) {
      // replace old child transition data with fresh one
      // important for dynamic transitions!
      var oldData = oldChild.data.transition = extend({}, data);
      // handle transition mode
      if (mode === 'out-in') {
        // return placeholder node and queue update when leave finishes
        this._leaving = true;
        mergeVNodeHook(oldData, 'afterLeave', function () {
          this$1._leaving = false;
          this$1.$forceUpdate();
        });
        return placeholder(h, rawChild)
      } else if (mode === 'in-out') {
        if (isAsyncPlaceholder(child)) {
          return oldRawChild
        }
        var delayedLeave;
        var performLeave = function () { delayedLeave(); };
        mergeVNodeHook(data, 'afterEnter', performLeave);
        mergeVNodeHook(data, 'enterCancelled', performLeave);
        mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
      }
    }

    return rawChild
  }
};

/*  */

var props = extend({
  tag: String,
  moveClass: String
}, transitionProps);

delete props.mode;

var TransitionGroup = {
  props: props,

  beforeMount: function beforeMount () {
    var this$1 = this;

    var update = this._update;
    this._update = function (vnode, hydrating) {
      var restoreActiveInstance = setActiveInstance(this$1);
      // force removing pass
      this$1.__patch__(
        this$1._vnode,
        this$1.kept,
        false, // hydrating
        true // removeOnly (!important, avoids unnecessary moves)
      );
      this$1._vnode = this$1.kept;
      restoreActiveInstance();
      update.call(this$1, vnode, hydrating);
    };
  },

  render: function render (h) {
    var tag = this.tag || this.$vnode.data.tag || 'span';
    var map = Object.create(null);
    var prevChildren = this.prevChildren = this.children;
    var rawChildren = this.$slots.default || [];
    var children = this.children = [];
    var transitionData = extractTransitionData(this);

    for (var i = 0; i < rawChildren.length; i++) {
      var c = rawChildren[i];
      if (c.tag) {
        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
          children.push(c);
          map[c.key] = c
          ;(c.data || (c.data = {})).transition = transitionData;
        } else {
          var opts = c.componentOptions;
          var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
          warn(("<transition-group> children must be keyed: <" + name + ">"));
        }
      }
    }

    if (prevChildren) {
      var kept = [];
      var removed = [];
      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
        var c$1 = prevChildren[i$1];
        c$1.data.transition = transitionData;
        c$1.data.pos = c$1.elm.getBoundingClientRect();
        if (map[c$1.key]) {
          kept.push(c$1);
        } else {
          removed.push(c$1);
        }
      }
      this.kept = h(tag, null, kept);
      this.removed = removed;
    }

    return h(tag, null, children)
  },

  updated: function updated () {
    var children = this.prevChildren;
    var moveClass = this.moveClass || ((this.name || 'v') + '-move');
    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
      return
    }

    // we divide the work into three loops to avoid mixing DOM reads and writes
    // in each iteration - which helps prevent layout thrashing.
    children.forEach(callPendingCbs);
    children.forEach(recordPosition);
    children.forEach(applyTranslation);

    // force reflow to put everything in position
    // assign to this to avoid being removed in tree-shaking
    // $flow-disable-line
    this._reflow = document.body.offsetHeight;

    children.forEach(function (c) {
      if (c.data.moved) {
        var el = c.elm;
        var s = el.style;
        addTransitionClass(el, moveClass);
        s.transform = s.WebkitTransform = s.transitionDuration = '';
        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
          if (e && e.target !== el) {
            return
          }
          if (!e || /transform$/.test(e.propertyName)) {
            el.removeEventListener(transitionEndEvent, cb);
            el._moveCb = null;
            removeTransitionClass(el, moveClass);
          }
        });
      }
    });
  },

  methods: {
    hasMove: function hasMove (el, moveClass) {
      /* istanbul ignore if */
      if (!hasTransition) {
        return false
      }
      /* istanbul ignore if */
      if (this._hasMove) {
        return this._hasMove
      }
      // Detect whether an element with the move class applied has
      // CSS transitions. Since the element may be inside an entering
      // transition at this very moment, we make a clone of it and remove
      // all other transition classes applied to ensure only the move class
      // is applied.
      var clone = el.cloneNode();
      if (el._transitionClasses) {
        el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
      }
      addClass(clone, moveClass);
      clone.style.display = 'none';
      this.$el.appendChild(clone);
      var info = getTransitionInfo(clone);
      this.$el.removeChild(clone);
      return (this._hasMove = info.hasTransform)
    }
  }
};

function callPendingCbs (c) {
  /* istanbul ignore if */
  if (c.elm._moveCb) {
    c.elm._moveCb();
  }
  /* istanbul ignore if */
  if (c.elm._enterCb) {
    c.elm._enterCb();
  }
}

function recordPosition (c) {
  c.data.newPos = c.elm.getBoundingClientRect();
}

function applyTranslation (c) {
  var oldPos = c.data.pos;
  var newPos = c.data.newPos;
  var dx = oldPos.left - newPos.left;
  var dy = oldPos.top - newPos.top;
  if (dx || dy) {
    c.data.moved = true;
    var s = c.elm.style;
    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
    s.transitionDuration = '0s';
  }
}

var platformComponents = {
  Transition: Transition,
  TransitionGroup: TransitionGroup
};

/*  */

// install platform specific utils
Vue.config.mustUseProp = mustUseProp;
Vue.config.isReservedTag = isReservedTag;
Vue.config.isReservedAttr = isReservedAttr;
Vue.config.getTagNamespace = getTagNamespace;
Vue.config.isUnknownElement = isUnknownElement;

// install platform runtime directives & components
extend(Vue.options.directives, platformDirectives);
extend(Vue.options.components, platformComponents);

// install platform patch function
Vue.prototype.__patch__ = inBrowser ? patch : noop;

// public mount method
Vue.prototype.$mount = function (
  el,
  hydrating
) {
  el = el && inBrowser ? query(el) : undefined;
  return mountComponent(this, el, hydrating)
};

// devtools global hook
/* istanbul ignore next */
if (inBrowser) {
  setTimeout(function () {
    if (config.devtools) {
      if (devtools) {
        devtools.emit('init', Vue);
      } else {
        console[console.info ? 'info' : 'log'](
          'Download the Vue Devtools extension for a better development experience:\n' +
          'https://github.com/vuejs/vue-devtools'
        );
      }
    }
    if (config.productionTip !== false &&
      typeof console !== 'undefined'
    ) {
      console[console.info ? 'info' : 'log'](
        "You are running Vue in development mode.\n" +
        "Make sure to turn on production mode when deploying for production.\n" +
        "See more tips at https://vuejs.org/guide/deployment.html"
      );
    }
  }, 0);
}

/*  */

var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;

var buildRegex = cached(function (delimiters) {
  var open = delimiters[0].replace(regexEscapeRE, '\\$&');
  var close = delimiters[1].replace(regexEscapeRE, '\\$&');
  return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});



function parseText (
  text,
  delimiters
) {
  var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
  if (!tagRE.test(text)) {
    return
  }
  var tokens = [];
  var rawTokens = [];
  var lastIndex = tagRE.lastIndex = 0;
  var match, index, tokenValue;
  while ((match = tagRE.exec(text))) {
    index = match.index;
    // push text token
    if (index > lastIndex) {
      rawTokens.push(tokenValue = text.slice(lastIndex, index));
      tokens.push(JSON.stringify(tokenValue));
    }
    // tag token
    var exp = parseFilters(match[1].trim());
    tokens.push(("_s(" + exp + ")"));
    rawTokens.push({ '@binding': exp });
    lastIndex = index + match[0].length;
  }
  if (lastIndex < text.length) {
    rawTokens.push(tokenValue = text.slice(lastIndex));
    tokens.push(JSON.stringify(tokenValue));
  }
  return {
    expression: tokens.join('+'),
    tokens: rawTokens
  }
}

/*  */

function transformNode (el, options) {
  var warn = options.warn || baseWarn;
  var staticClass = getAndRemoveAttr(el, 'class');
  if (staticClass) {
    var res = parseText(staticClass, options.delimiters);
    if (res) {
      warn(
        "class=\"" + staticClass + "\": " +
        'Interpolation inside attributes has been removed. ' +
        'Use v-bind or the colon shorthand instead. For example, ' +
        'instead of <div class="{{ val }}">, use <div :class="val">.',
        el.rawAttrsMap['class']
      );
    }
  }
  if (staticClass) {
    el.staticClass = JSON.stringify(staticClass);
  }
  var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
  if (classBinding) {
    el.classBinding = classBinding;
  }
}

function genData (el) {
  var data = '';
  if (el.staticClass) {
    data += "staticClass:" + (el.staticClass) + ",";
  }
  if (el.classBinding) {
    data += "class:" + (el.classBinding) + ",";
  }
  return data
}

var klass$1 = {
  staticKeys: ['staticClass'],
  transformNode: transformNode,
  genData: genData
};

/*  */

function transformNode$1 (el, options) {
  var warn = options.warn || baseWarn;
  var staticStyle = getAndRemoveAttr(el, 'style');
  if (staticStyle) {
    /* istanbul ignore if */
    {
      var res = parseText(staticStyle, options.delimiters);
      if (res) {
        warn(
          "style=\"" + staticStyle + "\": " +
          'Interpolation inside attributes has been removed. ' +
          'Use v-bind or the colon shorthand instead. For example, ' +
          'instead of <div style="{{ val }}">, use <div :style="val">.',
          el.rawAttrsMap['style']
        );
      }
    }
    el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
  }

  var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
  if (styleBinding) {
    el.styleBinding = styleBinding;
  }
}

function genData$1 (el) {
  var data = '';
  if (el.staticStyle) {
    data += "staticStyle:" + (el.staticStyle) + ",";
  }
  if (el.styleBinding) {
    data += "style:(" + (el.styleBinding) + "),";
  }
  return data
}

var style$1 = {
  staticKeys: ['staticStyle'],
  transformNode: transformNode$1,
  genData: genData$1
};

/*  */

var decoder;

var he = {
  decode: function decode (html) {
    decoder = decoder || document.createElement('div');
    decoder.innerHTML = html;
    return decoder.textContent
  }
};

/*  */

var isUnaryTag = makeMap(
  'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
  'link,meta,param,source,track,wbr'
);

// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag = makeMap(
  'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);

// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag = makeMap(
  'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
  'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
  'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
  'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
  'title,tr,track'
);

/**
 * Not type-checking this file because it's mostly vendor code.
 */

// Regular Expressions for parsing tags and attributes
var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
var startTagOpen = new RegExp(("^<" + qnameCapture));
var startTagClose = /^\s*(\/?)>/;
var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
var doctype = /^<!DOCTYPE [^>]+>/i;
// #7298: escape - to avoid being pased as HTML comment when inlined in page
var comment = /^<!\--/;
var conditionalComment = /^<!\[/;

// Special Elements (can contain anything)
var isPlainTextElement = makeMap('script,style,textarea', true);
var reCache = {};

var decodingMap = {
  '&lt;': '<',
  '&gt;': '>',
  '&quot;': '"',
  '&amp;': '&',
  '&#10;': '\n',
  '&#9;': '\t',
  '&#39;': "'"
};
var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;

// #5992
var isIgnoreNewlineTag = makeMap('pre,textarea', true);
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };

function decodeAttr (value, shouldDecodeNewlines) {
  var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
  return value.replace(re, function (match) { return decodingMap[match]; })
}

function parseHTML (html, options) {
  var stack = [];
  var expectHTML = options.expectHTML;
  var isUnaryTag$$1 = options.isUnaryTag || no;
  var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
  var index = 0;
  var last, lastTag;
  while (html) {
    last = html;
    // Make sure we're not in a plaintext content element like script/style
    if (!lastTag || !isPlainTextElement(lastTag)) {
      var textEnd = html.indexOf('<');
      if (textEnd === 0) {
        // Comment:
        if (comment.test(html)) {
          var commentEnd = html.indexOf('-->');

          if (commentEnd >= 0) {
            if (options.shouldKeepComment) {
              options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
            }
            advance(commentEnd + 3);
            continue
          }
        }

        // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
        if (conditionalComment.test(html)) {
          var conditionalEnd = html.indexOf(']>');

          if (conditionalEnd >= 0) {
            advance(conditionalEnd + 2);
            continue
          }
        }

        // Doctype:
        var doctypeMatch = html.match(doctype);
        if (doctypeMatch) {
          advance(doctypeMatch[0].length);
          continue
        }

        // End tag:
        var endTagMatch = html.match(endTag);
        if (endTagMatch) {
          var curIndex = index;
          advance(endTagMatch[0].length);
          parseEndTag(endTagMatch[1], curIndex, index);
          continue
        }

        // Start tag:
        var startTagMatch = parseStartTag();
        if (startTagMatch) {
          handleStartTag(startTagMatch);
          if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
            advance(1);
          }
          continue
        }
      }

      var text = (void 0), rest = (void 0), next = (void 0);
      if (textEnd >= 0) {
        rest = html.slice(textEnd);
        while (
          !endTag.test(rest) &&
          !startTagOpen.test(rest) &&
          !comment.test(rest) &&
          !conditionalComment.test(rest)
        ) {
          // < in plain text, be forgiving and treat it as text
          next = rest.indexOf('<', 1);
          if (next < 0) { break }
          textEnd += next;
          rest = html.slice(textEnd);
        }
        text = html.substring(0, textEnd);
      }

      if (textEnd < 0) {
        text = html;
      }

      if (text) {
        advance(text.length);
      }

      if (options.chars && text) {
        options.chars(text, index - text.length, index);
      }
    } else {
      var endTagLength = 0;
      var stackedTag = lastTag.toLowerCase();
      var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
      var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
        endTagLength = endTag.length;
        if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
          text = text
            .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
            .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
        }
        if (shouldIgnoreFirstNewline(stackedTag, text)) {
          text = text.slice(1);
        }
        if (options.chars) {
          options.chars(text);
        }
        return ''
      });
      index += html.length - rest$1.length;
      html = rest$1;
      parseEndTag(stackedTag, index - endTagLength, index);
    }

    if (html === last) {
      options.chars && options.chars(html);
      if (!stack.length && options.warn) {
        options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
      }
      break
    }
  }

  // Clean up any remaining tags
  parseEndTag();

  function advance (n) {
    index += n;
    html = html.substring(n);
  }

  function parseStartTag () {
    var start = html.match(startTagOpen);
    if (start) {
      var match = {
        tagName: start[1],
        attrs: [],
        start: index
      };
      advance(start[0].length);
      var end, attr;
      while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
        attr.start = index;
        advance(attr[0].length);
        attr.end = index;
        match.attrs.push(attr);
      }
      if (end) {
        match.unarySlash = end[1];
        advance(end[0].length);
        match.end = index;
        return match
      }
    }
  }

  function handleStartTag (match) {
    var tagName = match.tagName;
    var unarySlash = match.unarySlash;

    if (expectHTML) {
      if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
        parseEndTag(lastTag);
      }
      if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
        parseEndTag(tagName);
      }
    }

    var unary = isUnaryTag$$1(tagName) || !!unarySlash;

    var l = match.attrs.length;
    var attrs = new Array(l);
    for (var i = 0; i < l; i++) {
      var args = match.attrs[i];
      var value = args[3] || args[4] || args[5] || '';
      var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
        ? options.shouldDecodeNewlinesForHref
        : options.shouldDecodeNewlines;
      attrs[i] = {
        name: args[1],
        value: decodeAttr(value, shouldDecodeNewlines)
      };
      if (options.outputSourceRange) {
        attrs[i].start = args.start + args[0].match(/^\s*/).length;
        attrs[i].end = args.end;
      }
    }

    if (!unary) {
      stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
      lastTag = tagName;
    }

    if (options.start) {
      options.start(tagName, attrs, unary, match.start, match.end);
    }
  }

  function parseEndTag (tagName, start, end) {
    var pos, lowerCasedTagName;
    if (start == null) { start = index; }
    if (end == null) { end = index; }

    // Find the closest opened tag of the same type
    if (tagName) {
      lowerCasedTagName = tagName.toLowerCase();
      for (pos = stack.length - 1; pos >= 0; pos--) {
        if (stack[pos].lowerCasedTag === lowerCasedTagName) {
          break
        }
      }
    } else {
      // If no tag name is provided, clean shop
      pos = 0;
    }

    if (pos >= 0) {
      // Close all the open elements, up the stack
      for (var i = stack.length - 1; i >= pos; i--) {
        if (i > pos || !tagName &&
          options.warn
        ) {
          options.warn(
            ("tag <" + (stack[i].tag) + "> has no matching end tag."),
            { start: stack[i].start, end: stack[i].end }
          );
        }
        if (options.end) {
          options.end(stack[i].tag, start, end);
        }
      }

      // Remove the open elements from the stack
      stack.length = pos;
      lastTag = pos && stack[pos - 1].tag;
    } else if (lowerCasedTagName === 'br') {
      if (options.start) {
        options.start(tagName, [], true, start, end);
      }
    } else if (lowerCasedTagName === 'p') {
      if (options.start) {
        options.start(tagName, [], false, start, end);
      }
      if (options.end) {
        options.end(tagName, start, end);
      }
    }
  }
}

/*  */

var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:/;
var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
var stripParensRE = /^\(|\)$/g;
var dynamicArgRE = /^\[.*\]$/;

var argRE = /:(.*)$/;
var bindRE = /^:|^\.|^v-bind:/;
var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;

var slotRE = /^v-slot(:|$)|^#/;

var lineBreakRE = /[\r\n]/;
var whitespaceRE$1 = /\s+/g;

var invalidAttributeRE = /[\s"'<>\/=]/;

var decodeHTMLCached = cached(he.decode);

var emptySlotScopeToken = "_empty_";

// configurable state
var warn$2;
var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
var maybeComponent;

function createASTElement (
  tag,
  attrs,
  parent
) {
  return {
    type: 1,
    tag: tag,
    attrsList: attrs,
    attrsMap: makeAttrsMap(attrs),
    rawAttrsMap: {},
    parent: parent,
    children: []
  }
}

/**
 * Convert HTML string to AST.
 */
function parse (
  template,
  options
) {
  warn$2 = options.warn || baseWarn;

  platformIsPreTag = options.isPreTag || no;
  platformMustUseProp = options.mustUseProp || no;
  platformGetTagNamespace = options.getTagNamespace || no;
  var isReservedTag = options.isReservedTag || no;
  maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };

  transforms = pluckModuleFunction(options.modules, 'transformNode');
  preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
  postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');

  delimiters = options.delimiters;

  var stack = [];
  var preserveWhitespace = options.preserveWhitespace !== false;
  var whitespaceOption = options.whitespace;
  var root;
  var currentParent;
  var inVPre = false;
  var inPre = false;
  var warned = false;

  function warnOnce (msg, range) {
    if (!warned) {
      warned = true;
      warn$2(msg, range);
    }
  }

  function closeElement (element) {
    trimEndingWhitespace(element);
    if (!inVPre && !element.processed) {
      element = processElement(element, options);
    }
    // tree management
    if (!stack.length && element !== root) {
      // allow root elements with v-if, v-else-if and v-else
      if (root.if && (element.elseif || element.else)) {
        {
          checkRootConstraints(element);
        }
        addIfCondition(root, {
          exp: element.elseif,
          block: element
        });
      } else {
        warnOnce(
          "Component template should contain exactly one root element. " +
          "If you are using v-if on multiple elements, " +
          "use v-else-if to chain them instead.",
          { start: element.start }
        );
      }
    }
    if (currentParent && !element.forbidden) {
      if (element.elseif || element.else) {
        processIfConditions(element, currentParent);
      } else {
        if (element.slotScope) {
          // scoped slot
          // keep it in the children list so that v-else(-if) conditions can
          // find it as the prev node.
          var name = element.slotTarget || '"default"'
          ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
        }
        currentParent.children.push(element);
        element.parent = currentParent;
      }
    }

    // final children cleanup
    // filter out scoped slots
    element.children = element.children.filter(function (c) { return !(c).slotScope; });
    // remove trailing whitespace node again
    trimEndingWhitespace(element);

    // check pre state
    if (element.pre) {
      inVPre = false;
    }
    if (platformIsPreTag(element.tag)) {
      inPre = false;
    }
    // apply post-transforms
    for (var i = 0; i < postTransforms.length; i++) {
      postTransforms[i](element, options);
    }
  }

  function trimEndingWhitespace (el) {
    // remove trailing whitespace node
    if (!inPre) {
      var lastNode;
      while (
        (lastNode = el.children[el.children.length - 1]) &&
        lastNode.type === 3 &&
        lastNode.text === ' '
      ) {
        el.children.pop();
      }
    }
  }

  function checkRootConstraints (el) {
    if (el.tag === 'slot' || el.tag === 'template') {
      warnOnce(
        "Cannot use <" + (el.tag) + "> as component root element because it may " +
        'contain multiple nodes.',
        { start: el.start }
      );
    }
    if (el.attrsMap.hasOwnProperty('v-for')) {
      warnOnce(
        'Cannot use v-for on stateful component root element because ' +
        'it renders multiple elements.',
        el.rawAttrsMap['v-for']
      );
    }
  }

  parseHTML(template, {
    warn: warn$2,
    expectHTML: options.expectHTML,
    isUnaryTag: options.isUnaryTag,
    canBeLeftOpenTag: options.canBeLeftOpenTag,
    shouldDecodeNewlines: options.shouldDecodeNewlines,
    shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
    shouldKeepComment: options.comments,
    outputSourceRange: options.outputSourceRange,
    start: function start (tag, attrs, unary, start$1, end) {
      // check namespace.
      // inherit parent ns if there is one
      var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);

      // handle IE svg bug
      /* istanbul ignore if */
      if (isIE && ns === 'svg') {
        attrs = guardIESVGBug(attrs);
      }

      var element = createASTElement(tag, attrs, currentParent);
      if (ns) {
        element.ns = ns;
      }

      {
        if (options.outputSourceRange) {
          element.start = start$1;
          element.end = end;
          element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
            cumulated[attr.name] = attr;
            return cumulated
          }, {});
        }
        attrs.forEach(function (attr) {
          if (invalidAttributeRE.test(attr.name)) {
            warn$2(
              "Invalid dynamic argument expression: attribute names cannot contain " +
              "spaces, quotes, <, >, / or =.",
              {
                start: attr.start + attr.name.indexOf("["),
                end: attr.start + attr.name.length
              }
            );
          }
        });
      }

      if (isForbiddenTag(element) && !isServerRendering()) {
        element.forbidden = true;
        warn$2(
          'Templates should only be responsible for mapping the state to the ' +
          'UI. Avoid placing tags with side-effects in your templates, such as ' +
          "<" + tag + ">" + ', as they will not be parsed.',
          { start: element.start }
        );
      }

      // apply pre-transforms
      for (var i = 0; i < preTransforms.length; i++) {
        element = preTransforms[i](element, options) || element;
      }

      if (!inVPre) {
        processPre(element);
        if (element.pre) {
          inVPre = true;
        }
      }
      if (platformIsPreTag(element.tag)) {
        inPre = true;
      }
      if (inVPre) {
        processRawAttrs(element);
      } else if (!element.processed) {
        // structural directives
        processFor(element);
        processIf(element);
        processOnce(element);
      }

      if (!root) {
        root = element;
        {
          checkRootConstraints(root);
        }
      }

      if (!unary) {
        currentParent = element;
        stack.push(element);
      } else {
        closeElement(element);
      }
    },

    end: function end (tag, start, end$1) {
      var element = stack[stack.length - 1];
      // pop stack
      stack.length -= 1;
      currentParent = stack[stack.length - 1];
      if (options.outputSourceRange) {
        element.end = end$1;
      }
      closeElement(element);
    },

    chars: function chars (text, start, end) {
      if (!currentParent) {
        {
          if (text === template) {
            warnOnce(
              'Component template requires a root element, rather than just text.',
              { start: start }
            );
          } else if ((text = text.trim())) {
            warnOnce(
              ("text \"" + text + "\" outside root element will be ignored."),
              { start: start }
            );
          }
        }
        return
      }
      // IE textarea placeholder bug
      /* istanbul ignore if */
      if (isIE &&
        currentParent.tag === 'textarea' &&
        currentParent.attrsMap.placeholder === text
      ) {
        return
      }
      var children = currentParent.children;
      if (inPre || text.trim()) {
        text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
      } else if (!children.length) {
        // remove the whitespace-only node right after an opening tag
        text = '';
      } else if (whitespaceOption) {
        if (whitespaceOption === 'condense') {
          // in condense mode, remove the whitespace node if it contains
          // line break, otherwise condense to a single space
          text = lineBreakRE.test(text) ? '' : ' ';
        } else {
          text = ' ';
        }
      } else {
        text = preserveWhitespace ? ' ' : '';
      }
      if (text) {
        if (!inPre && whitespaceOption === 'condense') {
          // condense consecutive whitespaces into single space
          text = text.replace(whitespaceRE$1, ' ');
        }
        var res;
        var child;
        if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
          child = {
            type: 2,
            expression: res.expression,
            tokens: res.tokens,
            text: text
          };
        } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
          child = {
            type: 3,
            text: text
          };
        }
        if (child) {
          if (options.outputSourceRange) {
            child.start = start;
            child.end = end;
          }
          children.push(child);
        }
      }
    },
    comment: function comment (text, start, end) {
      // adding anyting as a sibling to the root node is forbidden
      // comments should still be allowed, but ignored
      if (currentParent) {
        var child = {
          type: 3,
          text: text,
          isComment: true
        };
        if (options.outputSourceRange) {
          child.start = start;
          child.end = end;
        }
        currentParent.children.push(child);
      }
    }
  });
  return root
}

function processPre (el) {
  if (getAndRemoveAttr(el, 'v-pre') != null) {
    el.pre = true;
  }
}

function processRawAttrs (el) {
  var list = el.attrsList;
  var len = list.length;
  if (len) {
    var attrs = el.attrs = new Array(len);
    for (var i = 0; i < len; i++) {
      attrs[i] = {
        name: list[i].name,
        value: JSON.stringify(list[i].value)
      };
      if (list[i].start != null) {
        attrs[i].start = list[i].start;
        attrs[i].end = list[i].end;
      }
    }
  } else if (!el.pre) {
    // non root node in pre blocks with no attributes
    el.plain = true;
  }
}

function processElement (
  element,
  options
) {
  processKey(element);

  // determine whether this is a plain element after
  // removing structural attributes
  element.plain = (
    !element.key &&
    !element.scopedSlots &&
    !element.attrsList.length
  );

  processRef(element);
  processSlotContent(element);
  processSlotOutlet(element);
  processComponent(element);
  for (var i = 0; i < transforms.length; i++) {
    element = transforms[i](element, options) || element;
  }
  processAttrs(element);
  return element
}

function processKey (el) {
  var exp = getBindingAttr(el, 'key');
  if (exp) {
    {
      if (el.tag === 'template') {
        warn$2(
          "<template> cannot be keyed. Place the key on real elements instead.",
          getRawBindingAttr(el, 'key')
        );
      }
      if (el.for) {
        var iterator = el.iterator2 || el.iterator1;
        var parent = el.parent;
        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
          warn$2(
            "Do not use v-for index as key on <transition-group> children, " +
            "this is the same as not using keys.",
            getRawBindingAttr(el, 'key'),
            true /* tip */
          );
        }
      }
    }
    el.key = exp;
  }
}

function processRef (el) {
  var ref = getBindingAttr(el, 'ref');
  if (ref) {
    el.ref = ref;
    el.refInFor = checkInFor(el);
  }
}

function processFor (el) {
  var exp;
  if ((exp = getAndRemoveAttr(el, 'v-for'))) {
    var res = parseFor(exp);
    if (res) {
      extend(el, res);
    } else {
      warn$2(
        ("Invalid v-for expression: " + exp),
        el.rawAttrsMap['v-for']
      );
    }
  }
}



function parseFor (exp) {
  var inMatch = exp.match(forAliasRE);
  if (!inMatch) { return }
  var res = {};
  res.for = inMatch[2].trim();
  var alias = inMatch[1].trim().replace(stripParensRE, '');
  var iteratorMatch = alias.match(forIteratorRE);
  if (iteratorMatch) {
    res.alias = alias.replace(forIteratorRE, '').trim();
    res.iterator1 = iteratorMatch[1].trim();
    if (iteratorMatch[2]) {
      res.iterator2 = iteratorMatch[2].trim();
    }
  } else {
    res.alias = alias;
  }
  return res
}

function processIf (el) {
  var exp = getAndRemoveAttr(el, 'v-if');
  if (exp) {
    el.if = exp;
    addIfCondition(el, {
      exp: exp,
      block: el
    });
  } else {
    if (getAndRemoveAttr(el, 'v-else') != null) {
      el.else = true;
    }
    var elseif = getAndRemoveAttr(el, 'v-else-if');
    if (elseif) {
      el.elseif = elseif;
    }
  }
}

function processIfConditions (el, parent) {
  var prev = findPrevElement(parent.children);
  if (prev && prev.if) {
    addIfCondition(prev, {
      exp: el.elseif,
      block: el
    });
  } else {
    warn$2(
      "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
      "used on element <" + (el.tag) + "> without corresponding v-if.",
      el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
    );
  }
}

function findPrevElement (children) {
  var i = children.length;
  while (i--) {
    if (children[i].type === 1) {
      return children[i]
    } else {
      if (children[i].text !== ' ') {
        warn$2(
          "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
          "will be ignored.",
          children[i]
        );
      }
      children.pop();
    }
  }
}

function addIfCondition (el, condition) {
  if (!el.ifConditions) {
    el.ifConditions = [];
  }
  el.ifConditions.push(condition);
}

function processOnce (el) {
  var once$$1 = getAndRemoveAttr(el, 'v-once');
  if (once$$1 != null) {
    el.once = true;
  }
}

// handle content being passed to a component as slot,
// e.g. <template slot="xxx">, <div slot-scope="xxx">
function processSlotContent (el) {
  var slotScope;
  if (el.tag === 'template') {
    slotScope = getAndRemoveAttr(el, 'scope');
    /* istanbul ignore if */
    if (slotScope) {
      warn$2(
        "the \"scope\" attribute for scoped slots have been deprecated and " +
        "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
        "can also be used on plain elements in addition to <template> to " +
        "denote scoped slots.",
        el.rawAttrsMap['scope'],
        true
      );
    }
    el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
  } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
    /* istanbul ignore if */
    if (el.attrsMap['v-for']) {
      warn$2(
        "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
        "(v-for takes higher priority). Use a wrapper <template> for the " +
        "scoped slot to make it clearer.",
        el.rawAttrsMap['slot-scope'],
        true
      );
    }
    el.slotScope = slotScope;
  }

  // slot="xxx"
  var slotTarget = getBindingAttr(el, 'slot');
  if (slotTarget) {
    el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
    el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
    // preserve slot as an attribute for native shadow DOM compat
    // only for non-scoped slots.
    if (el.tag !== 'template' && !el.slotScope) {
      addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
    }
  }

  // 2.6 v-slot syntax
  {
    if (el.tag === 'template') {
      // v-slot on <template>
      var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
      if (slotBinding) {
        {
          if (el.slotTarget || el.slotScope) {
            warn$2(
              "Unexpected mixed usage of different slot syntaxes.",
              el
            );
          }
          if (el.parent && !maybeComponent(el.parent)) {
            warn$2(
              "<template v-slot> can only appear at the root level inside " +
              "the receiving the component",
              el
            );
          }
        }
        var ref = getSlotName(slotBinding);
        var name = ref.name;
        var dynamic = ref.dynamic;
        el.slotTarget = name;
        el.slotTargetDynamic = dynamic;
        el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
      }
    } else {
      // v-slot on component, denotes default slot
      var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
      if (slotBinding$1) {
        {
          if (!maybeComponent(el)) {
            warn$2(
              "v-slot can only be used on components or <template>.",
              slotBinding$1
            );
          }
          if (el.slotScope || el.slotTarget) {
            warn$2(
              "Unexpected mixed usage of different slot syntaxes.",
              el
            );
          }
          if (el.scopedSlots) {
            warn$2(
              "To avoid scope ambiguity, the default slot should also use " +
              "<template> syntax when there are other named slots.",
              slotBinding$1
            );
          }
        }
        // add the component's children to its default slot
        var slots = el.scopedSlots || (el.scopedSlots = {});
        var ref$1 = getSlotName(slotBinding$1);
        var name$1 = ref$1.name;
        var dynamic$1 = ref$1.dynamic;
        var slotContainer = slots[name$1] = createASTElement('template', [], el);
        slotContainer.slotTarget = name$1;
        slotContainer.slotTargetDynamic = dynamic$1;
        slotContainer.children = el.children.filter(function (c) {
          if (!c.slotScope) {
            c.parent = slotContainer;
            return true
          }
        });
        slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
        // remove children as they are returned from scopedSlots now
        el.children = [];
        // mark el non-plain so data gets generated
        el.plain = false;
      }
    }
  }
}

function getSlotName (binding) {
  var name = binding.name.replace(slotRE, '');
  if (!name) {
    if (binding.name[0] !== '#') {
      name = 'default';
    } else {
      warn$2(
        "v-slot shorthand syntax requires a slot name.",
        binding
      );
    }
  }
  return dynamicArgRE.test(name)
    // dynamic [name]
    ? { name: name.slice(1, -1), dynamic: true }
    // static name
    : { name: ("\"" + name + "\""), dynamic: false }
}

// handle <slot/> outlets
function processSlotOutlet (el) {
  if (el.tag === 'slot') {
    el.slotName = getBindingAttr(el, 'name');
    if (el.key) {
      warn$2(
        "`key` does not work on <slot> because slots are abstract outlets " +
        "and can possibly expand into multiple elements. " +
        "Use the key on a wrapping element instead.",
        getRawBindingAttr(el, 'key')
      );
    }
  }
}

function processComponent (el) {
  var binding;
  if ((binding = getBindingAttr(el, 'is'))) {
    el.component = binding;
  }
  if (getAndRemoveAttr(el, 'inline-template') != null) {
    el.inlineTemplate = true;
  }
}

function processAttrs (el) {
  var list = el.attrsList;
  var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
  for (i = 0, l = list.length; i < l; i++) {
    name = rawName = list[i].name;
    value = list[i].value;
    if (dirRE.test(name)) {
      // mark element as dynamic
      el.hasBindings = true;
      // modifiers
      modifiers = parseModifiers(name.replace(dirRE, ''));
      // support .foo shorthand syntax for the .prop modifier
      if (modifiers) {
        name = name.replace(modifierRE, '');
      }
      if (bindRE.test(name)) { // v-bind
        name = name.replace(bindRE, '');
        value = parseFilters(value);
        isDynamic = dynamicArgRE.test(name);
        if (isDynamic) {
          name = name.slice(1, -1);
        }
        if (
          value.trim().length === 0
        ) {
          warn$2(
            ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
          );
        }
        if (modifiers) {
          if (modifiers.prop && !isDynamic) {
            name = camelize(name);
            if (name === 'innerHtml') { name = 'innerHTML'; }
          }
          if (modifiers.camel && !isDynamic) {
            name = camelize(name);
          }
          if (modifiers.sync) {
            syncGen = genAssignmentCode(value, "$event");
            if (!isDynamic) {
              addHandler(
                el,
                ("update:" + (camelize(name))),
                syncGen,
                null,
                false,
                warn$2,
                list[i]
              );
              if (hyphenate(name) !== camelize(name)) {
                addHandler(
                  el,
                  ("update:" + (hyphenate(name))),
                  syncGen,
                  null,
                  false,
                  warn$2,
                  list[i]
                );
              }
            } else {
              // handler w/ dynamic event name
              addHandler(
                el,
                ("\"update:\"+(" + name + ")"),
                syncGen,
                null,
                false,
                warn$2,
                list[i],
                true // dynamic
              );
            }
          }
        }
        if ((modifiers && modifiers.prop) || (
          !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
        )) {
          addProp(el, name, value, list[i], isDynamic);
        } else {
          addAttr(el, name, value, list[i], isDynamic);
        }
      } else if (onRE.test(name)) { // v-on
        name = name.replace(onRE, '');
        isDynamic = dynamicArgRE.test(name);
        if (isDynamic) {
          name = name.slice(1, -1);
        }
        addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);
      } else { // normal directives
        name = name.replace(dirRE, '');
        // parse arg
        var argMatch = name.match(argRE);
        var arg = argMatch && argMatch[1];
        isDynamic = false;
        if (arg) {
          name = name.slice(0, -(arg.length + 1));
          if (dynamicArgRE.test(arg)) {
            arg = arg.slice(1, -1);
            isDynamic = true;
          }
        }
        addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
        if (name === 'model') {
          checkForAliasModel(el, value);
        }
      }
    } else {
      // literal attribute
      {
        var res = parseText(value, delimiters);
        if (res) {
          warn$2(
            name + "=\"" + value + "\": " +
            'Interpolation inside attributes has been removed. ' +
            'Use v-bind or the colon shorthand instead. For example, ' +
            'instead of <div id="{{ val }}">, use <div :id="val">.',
            list[i]
          );
        }
      }
      addAttr(el, name, JSON.stringify(value), list[i]);
      // #6887 firefox doesn't update muted state if set via attribute
      // even immediately after element creation
      if (!el.component &&
          name === 'muted' &&
          platformMustUseProp(el.tag, el.attrsMap.type, name)) {
        addProp(el, name, 'true', list[i]);
      }
    }
  }
}

function checkInFor (el) {
  var parent = el;
  while (parent) {
    if (parent.for !== undefined) {
      return true
    }
    parent = parent.parent;
  }
  return false
}

function parseModifiers (name) {
  var match = name.match(modifierRE);
  if (match) {
    var ret = {};
    match.forEach(function (m) { ret[m.slice(1)] = true; });
    return ret
  }
}

function makeAttrsMap (attrs) {
  var map = {};
  for (var i = 0, l = attrs.length; i < l; i++) {
    if (
      map[attrs[i].name] && !isIE && !isEdge
    ) {
      warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);
    }
    map[attrs[i].name] = attrs[i].value;
  }
  return map
}

// for script (e.g. type="x/template") or style, do not decode content
function isTextTag (el) {
  return el.tag === 'script' || el.tag === 'style'
}

function isForbiddenTag (el) {
  return (
    el.tag === 'style' ||
    (el.tag === 'script' && (
      !el.attrsMap.type ||
      el.attrsMap.type === 'text/javascript'
    ))
  )
}

var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;

/* istanbul ignore next */
function guardIESVGBug (attrs) {
  var res = [];
  for (var i = 0; i < attrs.length; i++) {
    var attr = attrs[i];
    if (!ieNSBug.test(attr.name)) {
      attr.name = attr.name.replace(ieNSPrefix, '');
      res.push(attr);
    }
  }
  return res
}

function checkForAliasModel (el, value) {
  var _el = el;
  while (_el) {
    if (_el.for && _el.alias === value) {
      warn$2(
        "<" + (el.tag) + " v-model=\"" + value + "\">: " +
        "You are binding v-model directly to a v-for iteration alias. " +
        "This will not be able to modify the v-for source array because " +
        "writing to the alias is like modifying a function local variable. " +
        "Consider using an array of objects and use v-model on an object property instead.",
        el.rawAttrsMap['v-model']
      );
    }
    _el = _el.parent;
  }
}

/*  */

function preTransformNode (el, options) {
  if (el.tag === 'input') {
    var map = el.attrsMap;
    if (!map['v-model']) {
      return
    }

    var typeBinding;
    if (map[':type'] || map['v-bind:type']) {
      typeBinding = getBindingAttr(el, 'type');
    }
    if (!map.type && !typeBinding && map['v-bind']) {
      typeBinding = "(" + (map['v-bind']) + ").type";
    }

    if (typeBinding) {
      var ifCondition = getAndRemoveAttr(el, 'v-if', true);
      var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
      var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
      var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
      // 1. checkbox
      var branch0 = cloneASTElement(el);
      // process for on the main node
      processFor(branch0);
      addRawAttr(branch0, 'type', 'checkbox');
      processElement(branch0, options);
      branch0.processed = true; // prevent it from double-processed
      branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
      addIfCondition(branch0, {
        exp: branch0.if,
        block: branch0
      });
      // 2. add radio else-if condition
      var branch1 = cloneASTElement(el);
      getAndRemoveAttr(branch1, 'v-for', true);
      addRawAttr(branch1, 'type', 'radio');
      processElement(branch1, options);
      addIfCondition(branch0, {
        exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
        block: branch1
      });
      // 3. other
      var branch2 = cloneASTElement(el);
      getAndRemoveAttr(branch2, 'v-for', true);
      addRawAttr(branch2, ':type', typeBinding);
      processElement(branch2, options);
      addIfCondition(branch0, {
        exp: ifCondition,
        block: branch2
      });

      if (hasElse) {
        branch0.else = true;
      } else if (elseIfCondition) {
        branch0.elseif = elseIfCondition;
      }

      return branch0
    }
  }
}

function cloneASTElement (el) {
  return createASTElement(el.tag, el.attrsList.slice(), el.parent)
}

var model$1 = {
  preTransformNode: preTransformNode
};

var modules$1 = [
  klass$1,
  style$1,
  model$1
];

/*  */

function text (el, dir) {
  if (dir.value) {
    addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
  }
}

/*  */

function html (el, dir) {
  if (dir.value) {
    addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
  }
}

var directives$1 = {
  model: model,
  text: text,
  html: html
};

/*  */

var baseOptions = {
  expectHTML: true,
  modules: modules$1,
  directives: directives$1,
  isPreTag: isPreTag,
  isUnaryTag: isUnaryTag,
  mustUseProp: mustUseProp,
  canBeLeftOpenTag: canBeLeftOpenTag,
  isReservedTag: isReservedTag,
  getTagNamespace: getTagNamespace,
  staticKeys: genStaticKeys(modules$1)
};

/*  */

var isStaticKey;
var isPlatformReservedTag;

var genStaticKeysCached = cached(genStaticKeys$1);

/**
 * Goal of the optimizer: walk the generated template AST tree
 * and detect sub-trees that are purely static, i.e. parts of
 * the DOM that never needs to change.
 *
 * Once we detect these sub-trees, we can:
 *
 * 1. Hoist them into constants, so that we no longer need to
 *    create fresh nodes for them on each re-render;
 * 2. Completely skip them in the patching process.
 */
function optimize (root, options) {
  if (!root) { return }
  isStaticKey = genStaticKeysCached(options.staticKeys || '');
  isPlatformReservedTag = options.isReservedTag || no;
  // first pass: mark all non-static nodes.
  markStatic$1(root);
  // second pass: mark static roots.
  markStaticRoots(root, false);
}

function genStaticKeys$1 (keys) {
  return makeMap(
    'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
    (keys ? ',' + keys : '')
  )
}

function markStatic$1 (node) {
  node.static = isStatic(node);
  if (node.type === 1) {
    // do not make component slot content static. this avoids
    // 1. components not able to mutate slot nodes
    // 2. static slot content fails for hot-reloading
    if (
      !isPlatformReservedTag(node.tag) &&
      node.tag !== 'slot' &&
      node.attrsMap['inline-template'] == null
    ) {
      return
    }
    for (var i = 0, l = node.children.length; i < l; i++) {
      var child = node.children[i];
      markStatic$1(child);
      if (!child.static) {
        node.static = false;
      }
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        var block = node.ifConditions[i$1].block;
        markStatic$1(block);
        if (!block.static) {
          node.static = false;
        }
      }
    }
  }
}

function markStaticRoots (node, isInFor) {
  if (node.type === 1) {
    if (node.static || node.once) {
      node.staticInFor = isInFor;
    }
    // For a node to qualify as a static root, it should have children that
    // are not just static text. Otherwise the cost of hoisting out will
    // outweigh the benefits and it's better off to just always render it fresh.
    if (node.static && node.children.length && !(
      node.children.length === 1 &&
      node.children[0].type === 3
    )) {
      node.staticRoot = true;
      return
    } else {
      node.staticRoot = false;
    }
    if (node.children) {
      for (var i = 0, l = node.children.length; i < l; i++) {
        markStaticRoots(node.children[i], isInFor || !!node.for);
      }
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        markStaticRoots(node.ifConditions[i$1].block, isInFor);
      }
    }
  }
}

function isStatic (node) {
  if (node.type === 2) { // expression
    return false
  }
  if (node.type === 3) { // text
    return true
  }
  return !!(node.pre || (
    !node.hasBindings && // no dynamic bindings
    !node.if && !node.for && // not v-if or v-for or v-else
    !isBuiltInTag(node.tag) && // not a built-in
    isPlatformReservedTag(node.tag) && // not a component
    !isDirectChildOfTemplateFor(node) &&
    Object.keys(node).every(isStaticKey)
  ))
}

function isDirectChildOfTemplateFor (node) {
  while (node.parent) {
    node = node.parent;
    if (node.tag !== 'template') {
      return false
    }
    if (node.for) {
      return true
    }
  }
  return false
}

/*  */

var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/;
var fnInvokeRE = /\([^)]*?\);*$/;
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;

// KeyboardEvent.keyCode aliases
var keyCodes = {
  esc: 27,
  tab: 9,
  enter: 13,
  space: 32,
  up: 38,
  left: 37,
  right: 39,
  down: 40,
  'delete': [8, 46]
};

// KeyboardEvent.key aliases
var keyNames = {
  // #7880: IE11 and Edge use `Esc` for Escape key name.
  esc: ['Esc', 'Escape'],
  tab: 'Tab',
  enter: 'Enter',
  // #9112: IE11 uses `Spacebar` for Space key name.
  space: [' ', 'Spacebar'],
  // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
  up: ['Up', 'ArrowUp'],
  left: ['Left', 'ArrowLeft'],
  right: ['Right', 'ArrowRight'],
  down: ['Down', 'ArrowDown'],
  // #9112: IE11 uses `Del` for Delete key name.
  'delete': ['Backspace', 'Delete', 'Del']
};

// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };

var modifierCode = {
  stop: '$event.stopPropagation();',
  prevent: '$event.preventDefault();',
  self: genGuard("$event.target !== $event.currentTarget"),
  ctrl: genGuard("!$event.ctrlKey"),
  shift: genGuard("!$event.shiftKey"),
  alt: genGuard("!$event.altKey"),
  meta: genGuard("!$event.metaKey"),
  left: genGuard("'button' in $event && $event.button !== 0"),
  middle: genGuard("'button' in $event && $event.button !== 1"),
  right: genGuard("'button' in $event && $event.button !== 2")
};

function genHandlers (
  events,
  isNative
) {
  var prefix = isNative ? 'nativeOn:' : 'on:';
  var staticHandlers = "";
  var dynamicHandlers = "";
  for (var name in events) {
    var handlerCode = genHandler(events[name]);
    if (events[name] && events[name].dynamic) {
      dynamicHandlers += name + "," + handlerCode + ",";
    } else {
      staticHandlers += "\"" + name + "\":" + handlerCode + ",";
    }
  }
  staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
  if (dynamicHandlers) {
    return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
  } else {
    return prefix + staticHandlers
  }
}

function genHandler (handler) {
  if (!handler) {
    return 'function(){}'
  }

  if (Array.isArray(handler)) {
    return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
  }

  var isMethodPath = simplePathRE.test(handler.value);
  var isFunctionExpression = fnExpRE.test(handler.value);
  var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));

  if (!handler.modifiers) {
    if (isMethodPath || isFunctionExpression) {
      return handler.value
    }
    return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
  } else {
    var code = '';
    var genModifierCode = '';
    var keys = [];
    for (var key in handler.modifiers) {
      if (modifierCode[key]) {
        genModifierCode += modifierCode[key];
        // left/right
        if (keyCodes[key]) {
          keys.push(key);
        }
      } else if (key === 'exact') {
        var modifiers = (handler.modifiers);
        genModifierCode += genGuard(
          ['ctrl', 'shift', 'alt', 'meta']
            .filter(function (keyModifier) { return !modifiers[keyModifier]; })
            .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
            .join('||')
        );
      } else {
        keys.push(key);
      }
    }
    if (keys.length) {
      code += genKeyFilter(keys);
    }
    // Make sure modifiers like prevent and stop get executed after key filtering
    if (genModifierCode) {
      code += genModifierCode;
    }
    var handlerCode = isMethodPath
      ? ("return " + (handler.value) + "($event)")
      : isFunctionExpression
        ? ("return (" + (handler.value) + ")($event)")
        : isFunctionInvocation
          ? ("return " + (handler.value))
          : handler.value;
    return ("function($event){" + code + handlerCode + "}")
  }
}

function genKeyFilter (keys) {
  return (
    // make sure the key filters only apply to KeyboardEvents
    // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
    // key events that do not have keyCode property...
    "if(!$event.type.indexOf('key')&&" +
    (keys.map(genFilterCode).join('&&')) + ")return null;"
  )
}

function genFilterCode (key) {
  var keyVal = parseInt(key, 10);
  if (keyVal) {
    return ("$event.keyCode!==" + keyVal)
  }
  var keyCode = keyCodes[key];
  var keyName = keyNames[key];
  return (
    "_k($event.keyCode," +
    (JSON.stringify(key)) + "," +
    (JSON.stringify(keyCode)) + "," +
    "$event.key," +
    "" + (JSON.stringify(keyName)) +
    ")"
  )
}

/*  */

function on (el, dir) {
  if (dir.modifiers) {
    warn("v-on without argument does not support modifiers.");
  }
  el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}

/*  */

function bind$1 (el, dir) {
  el.wrapData = function (code) {
    return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
  };
}

/*  */

var baseDirectives = {
  on: on,
  bind: bind$1,
  cloak: noop
};

/*  */





var CodegenState = function CodegenState (options) {
  this.options = options;
  this.warn = options.warn || baseWarn;
  this.transforms = pluckModuleFunction(options.modules, 'transformCode');
  this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
  this.directives = extend(extend({}, baseDirectives), options.directives);
  var isReservedTag = options.isReservedTag || no;
  this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
  this.onceId = 0;
  this.staticRenderFns = [];
  this.pre = false;
};



function generate (
  ast,
  options
) {
  var state = new CodegenState(options);
  var code = ast ? genElement(ast, state) : '_c("div")';
  return {
    render: ("with(this){return " + code + "}"),
    staticRenderFns: state.staticRenderFns
  }
}

function genElement (el, state) {
  if (el.parent) {
    el.pre = el.pre || el.parent.pre;
  }

  if (el.staticRoot && !el.staticProcessed) {
    return genStatic(el, state)
  } else if (el.once && !el.onceProcessed) {
    return genOnce(el, state)
  } else if (el.for && !el.forProcessed) {
    return genFor(el, state)
  } else if (el.if && !el.ifProcessed) {
    return genIf(el, state)
  } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
    return genChildren(el, state) || 'void 0'
  } else if (el.tag === 'slot') {
    return genSlot(el, state)
  } else {
    // component or element
    var code;
    if (el.component) {
      code = genComponent(el.component, el, state);
    } else {
      var data;
      if (!el.plain || (el.pre && state.maybeComponent(el))) {
        data = genData$2(el, state);
      }

      var children = el.inlineTemplate ? null : genChildren(el, state, true);
      code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
    }
    // module transforms
    for (var i = 0; i < state.transforms.length; i++) {
      code = state.transforms[i](el, code);
    }
    return code
  }
}

// hoist static sub-trees out
function genStatic (el, state) {
  el.staticProcessed = true;
  // Some elements (templates) need to behave differently inside of a v-pre
  // node.  All pre nodes are static roots, so we can use this as a location to
  // wrap a state change and reset it upon exiting the pre node.
  var originalPreState = state.pre;
  if (el.pre) {
    state.pre = el.pre;
  }
  state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
  state.pre = originalPreState;
  return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
}

// v-once
function genOnce (el, state) {
  el.onceProcessed = true;
  if (el.if && !el.ifProcessed) {
    return genIf(el, state)
  } else if (el.staticInFor) {
    var key = '';
    var parent = el.parent;
    while (parent) {
      if (parent.for) {
        key = parent.key;
        break
      }
      parent = parent.parent;
    }
    if (!key) {
      state.warn(
        "v-once can only be used inside v-for that is keyed. ",
        el.rawAttrsMap['v-once']
      );
      return genElement(el, state)
    }
    return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
  } else {
    return genStatic(el, state)
  }
}

function genIf (
  el,
  state,
  altGen,
  altEmpty
) {
  el.ifProcessed = true; // avoid recursion
  return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}

function genIfConditions (
  conditions,
  state,
  altGen,
  altEmpty
) {
  if (!conditions.length) {
    return altEmpty || '_e()'
  }

  var condition = conditions.shift();
  if (condition.exp) {
    return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
  } else {
    return ("" + (genTernaryExp(condition.block)))
  }

  // v-if with v-once should generate code like (a)?_m(0):_m(1)
  function genTernaryExp (el) {
    return altGen
      ? altGen(el, state)
      : el.once
        ? genOnce(el, state)
        : genElement(el, state)
  }
}

function genFor (
  el,
  state,
  altGen,
  altHelper
) {
  var exp = el.for;
  var alias = el.alias;
  var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
  var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';

  if (state.maybeComponent(el) &&
    el.tag !== 'slot' &&
    el.tag !== 'template' &&
    !el.key
  ) {
    state.warn(
      "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
      "v-for should have explicit keys. " +
      "See https://vuejs.org/guide/list.html#key for more info.",
      el.rawAttrsMap['v-for'],
      true /* tip */
    );
  }

  el.forProcessed = true; // avoid recursion
  return (altHelper || '_l') + "((" + exp + ")," +
    "function(" + alias + iterator1 + iterator2 + "){" +
      "return " + ((altGen || genElement)(el, state)) +
    '})'
}

function genData$2 (el, state) {
  var data = '{';

  // directives first.
  // directives may mutate the el's other properties before they are generated.
  var dirs = genDirectives(el, state);
  if (dirs) { data += dirs + ','; }

  // key
  if (el.key) {
    data += "key:" + (el.key) + ",";
  }
  // ref
  if (el.ref) {
    data += "ref:" + (el.ref) + ",";
  }
  if (el.refInFor) {
    data += "refInFor:true,";
  }
  // pre
  if (el.pre) {
    data += "pre:true,";
  }
  // record original tag name for components using "is" attribute
  if (el.component) {
    data += "tag:\"" + (el.tag) + "\",";
  }
  // module data generation functions
  for (var i = 0; i < state.dataGenFns.length; i++) {
    data += state.dataGenFns[i](el);
  }
  // attributes
  if (el.attrs) {
    data += "attrs:" + (genProps(el.attrs)) + ",";
  }
  // DOM props
  if (el.props) {
    data += "domProps:" + (genProps(el.props)) + ",";
  }
  // event handlers
  if (el.events) {
    data += (genHandlers(el.events, false)) + ",";
  }
  if (el.nativeEvents) {
    data += (genHandlers(el.nativeEvents, true)) + ",";
  }
  // slot target
  // only for non-scoped slots
  if (el.slotTarget && !el.slotScope) {
    data += "slot:" + (el.slotTarget) + ",";
  }
  // scoped slots
  if (el.scopedSlots) {
    data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
  }
  // component v-model
  if (el.model) {
    data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
  }
  // inline-template
  if (el.inlineTemplate) {
    var inlineTemplate = genInlineTemplate(el, state);
    if (inlineTemplate) {
      data += inlineTemplate + ",";
    }
  }
  data = data.replace(/,$/, '') + '}';
  // v-bind dynamic argument wrap
  // v-bind with dynamic arguments must be applied using the same v-bind object
  // merge helper so that class/style/mustUseProp attrs are handled correctly.
  if (el.dynamicAttrs) {
    data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
  }
  // v-bind data wrap
  if (el.wrapData) {
    data = el.wrapData(data);
  }
  // v-on data wrap
  if (el.wrapListeners) {
    data = el.wrapListeners(data);
  }
  return data
}

function genDirectives (el, state) {
  var dirs = el.directives;
  if (!dirs) { return }
  var res = 'directives:[';
  var hasRuntime = false;
  var i, l, dir, needRuntime;
  for (i = 0, l = dirs.length; i < l; i++) {
    dir = dirs[i];
    needRuntime = true;
    var gen = state.directives[dir.name];
    if (gen) {
      // compile-time directive that manipulates AST.
      // returns true if it also needs a runtime counterpart.
      needRuntime = !!gen(el, dir, state.warn);
    }
    if (needRuntime) {
      hasRuntime = true;
      res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
    }
  }
  if (hasRuntime) {
    return res.slice(0, -1) + ']'
  }
}

function genInlineTemplate (el, state) {
  var ast = el.children[0];
  if (el.children.length !== 1 || ast.type !== 1) {
    state.warn(
      'Inline-template components must have exactly one child element.',
      { start: el.start }
    );
  }
  if (ast && ast.type === 1) {
    var inlineRenderFns = generate(ast, state.options);
    return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
  }
}

function genScopedSlots (
  el,
  slots,
  state
) {
  // by default scoped slots are considered "stable", this allows child
  // components with only scoped slots to skip forced updates from parent.
  // but in some cases we have to bail-out of this optimization
  // for example if the slot contains dynamic names, has v-if or v-for on them...
  var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
    var slot = slots[key];
    return (
      slot.slotTargetDynamic ||
      slot.if ||
      slot.for ||
      containsSlotChild(slot) // is passing down slot from parent which may be dynamic
    )
  });

  // #9534: if a component with scoped slots is inside a conditional branch,
  // it's possible for the same component to be reused but with different
  // compiled slot content. To avoid that, we generate a unique key based on
  // the generated code of all the slot contents.
  var needsKey = !!el.if;

  // OR when it is inside another scoped slot or v-for (the reactivity may be
  // disconnected due to the intermediate scope variable)
  // #9438, #9506
  // TODO: this can be further optimized by properly analyzing in-scope bindings
  // and skip force updating ones that do not actually use scope variables.
  if (!needsForceUpdate) {
    var parent = el.parent;
    while (parent) {
      if (
        (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
        parent.for
      ) {
        needsForceUpdate = true;
        break
      }
      if (parent.if) {
        needsKey = true;
      }
      parent = parent.parent;
    }
  }

  var generatedSlots = Object.keys(slots)
    .map(function (key) { return genScopedSlot(slots[key], state); })
    .join(',');

  return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
}

function hash(str) {
  var hash = 5381;
  var i = str.length;
  while(i) {
    hash = (hash * 33) ^ str.charCodeAt(--i);
  }
  return hash >>> 0
}

function containsSlotChild (el) {
  if (el.type === 1) {
    if (el.tag === 'slot') {
      return true
    }
    return el.children.some(containsSlotChild)
  }
  return false
}

function genScopedSlot (
  el,
  state
) {
  var isLegacySyntax = el.attrsMap['slot-scope'];
  if (el.if && !el.ifProcessed && !isLegacySyntax) {
    return genIf(el, state, genScopedSlot, "null")
  }
  if (el.for && !el.forProcessed) {
    return genFor(el, state, genScopedSlot)
  }
  var slotScope = el.slotScope === emptySlotScopeToken
    ? ""
    : String(el.slotScope);
  var fn = "function(" + slotScope + "){" +
    "return " + (el.tag === 'template'
      ? el.if && isLegacySyntax
        ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
        : genChildren(el, state) || 'undefined'
      : genElement(el, state)) + "}";
  // reverse proxy v-slot without scope on this.$slots
  var reverseProxy = slotScope ? "" : ",proxy:true";
  return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
}

function genChildren (
  el,
  state,
  checkSkip,
  altGenElement,
  altGenNode
) {
  var children = el.children;
  if (children.length) {
    var el$1 = children[0];
    // optimize single v-for
    if (children.length === 1 &&
      el$1.for &&
      el$1.tag !== 'template' &&
      el$1.tag !== 'slot'
    ) {
      var normalizationType = checkSkip
        ? state.maybeComponent(el$1) ? ",1" : ",0"
        : "";
      return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
    }
    var normalizationType$1 = checkSkip
      ? getNormalizationType(children, state.maybeComponent)
      : 0;
    var gen = altGenNode || genNode;
    return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
  }
}

// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType (
  children,
  maybeComponent
) {
  var res = 0;
  for (var i = 0; i < children.length; i++) {
    var el = children[i];
    if (el.type !== 1) {
      continue
    }
    if (needsNormalization(el) ||
        (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
      res = 2;
      break
    }
    if (maybeComponent(el) ||
        (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
      res = 1;
    }
  }
  return res
}

function needsNormalization (el) {
  return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}

function genNode (node, state) {
  if (node.type === 1) {
    return genElement(node, state)
  } else if (node.type === 3 && node.isComment) {
    return genComment(node)
  } else {
    return genText(node)
  }
}

function genText (text) {
  return ("_v(" + (text.type === 2
    ? text.expression // no need for () because already wrapped in _s()
    : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}

function genComment (comment) {
  return ("_e(" + (JSON.stringify(comment.text)) + ")")
}

function genSlot (el, state) {
  var slotName = el.slotName || '"default"';
  var children = genChildren(el, state);
  var res = "_t(" + slotName + (children ? ("," + children) : '');
  var attrs = el.attrs || el.dynamicAttrs
    ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
        // slot props are camelized
        name: camelize(attr.name),
        value: attr.value,
        dynamic: attr.dynamic
      }); }))
    : null;
  var bind$$1 = el.attrsMap['v-bind'];
  if ((attrs || bind$$1) && !children) {
    res += ",null";
  }
  if (attrs) {
    res += "," + attrs;
  }
  if (bind$$1) {
    res += (attrs ? '' : ',null') + "," + bind$$1;
  }
  return res + ')'
}

// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (
  componentName,
  el,
  state
) {
  var children = el.inlineTemplate ? null : genChildren(el, state, true);
  return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
}

function genProps (props) {
  var staticProps = "";
  var dynamicProps = "";
  for (var i = 0; i < props.length; i++) {
    var prop = props[i];
    var value = transformSpecialNewlines(prop.value);
    if (prop.dynamic) {
      dynamicProps += (prop.name) + "," + value + ",";
    } else {
      staticProps += "\"" + (prop.name) + "\":" + value + ",";
    }
  }
  staticProps = "{" + (staticProps.slice(0, -1)) + "}";
  if (dynamicProps) {
    return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
  } else {
    return staticProps
  }
}

// #3895, #4268
function transformSpecialNewlines (text) {
  return text
    .replace(/\u2028/g, '\\u2028')
    .replace(/\u2029/g, '\\u2029')
}

/*  */



// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
var prohibitedKeywordRE = new RegExp('\\b' + (
  'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
  'super,throw,while,yield,delete,export,import,return,switch,default,' +
  'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b');

// these unary operators should not be used as property/method names
var unaryOperatorsRE = new RegExp('\\b' + (
  'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');

// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;

// detect problematic expressions in a template
function detectErrors (ast, warn) {
  if (ast) {
    checkNode(ast, warn);
  }
}

function checkNode (node, warn) {
  if (node.type === 1) {
    for (var name in node.attrsMap) {
      if (dirRE.test(name)) {
        var value = node.attrsMap[name];
        if (value) {
          var range = node.rawAttrsMap[name];
          if (name === 'v-for') {
            checkFor(node, ("v-for=\"" + value + "\""), warn, range);
          } else if (onRE.test(name)) {
            checkEvent(value, (name + "=\"" + value + "\""), warn, range);
          } else {
            checkExpression(value, (name + "=\"" + value + "\""), warn, range);
          }
        }
      }
    }
    if (node.children) {
      for (var i = 0; i < node.children.length; i++) {
        checkNode(node.children[i], warn);
      }
    }
  } else if (node.type === 2) {
    checkExpression(node.expression, node.text, warn, node);
  }
}

function checkEvent (exp, text, warn, range) {
  var stipped = exp.replace(stripStringRE, '');
  var keywordMatch = stipped.match(unaryOperatorsRE);
  if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
    warn(
      "avoid using JavaScript unary operator as property name: " +
      "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
      range
    );
  }
  checkExpression(exp, text, warn, range);
}

function checkFor (node, text, warn, range) {
  checkExpression(node.for || '', text, warn, range);
  checkIdentifier(node.alias, 'v-for alias', text, warn, range);
  checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
  checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
}

function checkIdentifier (
  ident,
  type,
  text,
  warn,
  range
) {
  if (typeof ident === 'string') {
    try {
      new Function(("var " + ident + "=_"));
    } catch (e) {
      warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
    }
  }
}

function checkExpression (exp, text, warn, range) {
  try {
    new Function(("return " + exp));
  } catch (e) {
    var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
    if (keywordMatch) {
      warn(
        "avoid using JavaScript keyword as property name: " +
        "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
        range
      );
    } else {
      warn(
        "invalid expression: " + (e.message) + " in\n\n" +
        "    " + exp + "\n\n" +
        "  Raw expression: " + (text.trim()) + "\n",
        range
      );
    }
  }
}

/*  */

var range = 2;

function generateCodeFrame (
  source,
  start,
  end
) {
  if ( start === void 0 ) start = 0;
  if ( end === void 0 ) end = source.length;

  var lines = source.split(/\r?\n/);
  var count = 0;
  var res = [];
  for (var i = 0; i < lines.length; i++) {
    count += lines[i].length + 1;
    if (count >= start) {
      for (var j = i - range; j <= i + range || end > count; j++) {
        if (j < 0 || j >= lines.length) { continue }
        res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
        var lineLength = lines[j].length;
        if (j === i) {
          // push underline
          var pad = start - (count - lineLength) + 1;
          var length = end > count ? lineLength - pad : end - start;
          res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
        } else if (j > i) {
          if (end > count) {
            var length$1 = Math.min(end - count, lineLength);
            res.push("   |  " + repeat$1("^", length$1));
          }
          count += lineLength + 1;
        }
      }
      break
    }
  }
  return res.join('\n')
}

function repeat$1 (str, n) {
  var result = '';
  if (n > 0) {
    while (true) { // eslint-disable-line
      if (n & 1) { result += str; }
      n >>>= 1;
      if (n <= 0) { break }
      str += str;
    }
  }
  return result
}

/*  */



function createFunction (code, errors) {
  try {
    return new Function(code)
  } catch (err) {
    errors.push({ err: err, code: code });
    return noop
  }
}

function createCompileToFunctionFn (compile) {
  var cache = Object.create(null);

  return function compileToFunctions (
    template,
    options,
    vm
  ) {
    options = extend({}, options);
    var warn$$1 = options.warn || warn;
    delete options.warn;

    /* istanbul ignore if */
    {
      // detect possible CSP restriction
      try {
        new Function('return 1');
      } catch (e) {
        if (e.toString().match(/unsafe-eval|CSP/)) {
          warn$$1(
            'It seems you are using the standalone build of Vue.js in an ' +
            'environment with Content Security Policy that prohibits unsafe-eval. ' +
            'The template compiler cannot work in this environment. Consider ' +
            'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
            'templates into render functions.'
          );
        }
      }
    }

    // check cache
    var key = options.delimiters
      ? String(options.delimiters) + template
      : template;
    if (cache[key]) {
      return cache[key]
    }

    // compile
    var compiled = compile(template, options);

    // check compilation errors/tips
    {
      if (compiled.errors && compiled.errors.length) {
        if (options.outputSourceRange) {
          compiled.errors.forEach(function (e) {
            warn$$1(
              "Error compiling template:\n\n" + (e.msg) + "\n\n" +
              generateCodeFrame(template, e.start, e.end),
              vm
            );
          });
        } else {
          warn$$1(
            "Error compiling template:\n\n" + template + "\n\n" +
            compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
            vm
          );
        }
      }
      if (compiled.tips && compiled.tips.length) {
        if (options.outputSourceRange) {
          compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
        } else {
          compiled.tips.forEach(function (msg) { return tip(msg, vm); });
        }
      }
    }

    // turn code into functions
    var res = {};
    var fnGenErrors = [];
    res.render = createFunction(compiled.render, fnGenErrors);
    res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
      return createFunction(code, fnGenErrors)
    });

    // check function generation errors.
    // this should only happen if there is a bug in the compiler itself.
    // mostly for codegen development use
    /* istanbul ignore if */
    {
      if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
        warn$$1(
          "Failed to generate render function:\n\n" +
          fnGenErrors.map(function (ref) {
            var err = ref.err;
            var code = ref.code;

            return ((err.toString()) + " in\n\n" + code + "\n");
        }).join('\n'),
          vm
        );
      }
    }

    return (cache[key] = res)
  }
}

/*  */

function createCompilerCreator (baseCompile) {
  return function createCompiler (baseOptions) {
    function compile (
      template,
      options
    ) {
      var finalOptions = Object.create(baseOptions);
      var errors = [];
      var tips = [];

      var warn = function (msg, range, tip) {
        (tip ? tips : errors).push(msg);
      };

      if (options) {
        if (options.outputSourceRange) {
          // $flow-disable-line
          var leadingSpaceLength = template.match(/^\s*/)[0].length;

          warn = function (msg, range, tip) {
            var data = { msg: msg };
            if (range) {
              if (range.start != null) {
                data.start = range.start + leadingSpaceLength;
              }
              if (range.end != null) {
                data.end = range.end + leadingSpaceLength;
              }
            }
            (tip ? tips : errors).push(data);
          };
        }
        // merge custom modules
        if (options.modules) {
          finalOptions.modules =
            (baseOptions.modules || []).concat(options.modules);
        }
        // merge custom directives
        if (options.directives) {
          finalOptions.directives = extend(
            Object.create(baseOptions.directives || null),
            options.directives
          );
        }
        // copy other options
        for (var key in options) {
          if (key !== 'modules' && key !== 'directives') {
            finalOptions[key] = options[key];
          }
        }
      }

      finalOptions.warn = warn;

      var compiled = baseCompile(template.trim(), finalOptions);
      {
        detectErrors(compiled.ast, warn);
      }
      compiled.errors = errors;
      compiled.tips = tips;
      return compiled
    }

    return {
      compile: compile,
      compileToFunctions: createCompileToFunctionFn(compile)
    }
  }
}

/*  */

// `createCompilerCreator` allows creating compilers that use alternative
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
// Here we just export a default compiler using the default parts.
var createCompiler = createCompilerCreator(function baseCompile (
  template,
  options
) {
  var ast = parse(template.trim(), options);
  if (options.optimize !== false) {
    optimize(ast, options);
  }
  var code = generate(ast, options);
  return {
    ast: ast,
    render: code.render,
    staticRenderFns: code.staticRenderFns
  }
});

/*  */

var ref$1 = createCompiler(baseOptions);
var compile = ref$1.compile;
var compileToFunctions = ref$1.compileToFunctions;

/*  */

// check whether current browser encodes a char inside attribute values
var div;
function getShouldDecode (href) {
  div = div || document.createElement('div');
  div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
  return div.innerHTML.indexOf('&#10;') > 0
}

// #3663: IE encodes newlines inside attribute values while other browsers don't
var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;
// #6828: chrome encodes content in a[href]
var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;

/*  */

var idToTemplate = cached(function (id) {
  var el = query(id);
  return el && el.innerHTML
});

var mount = Vue.prototype.$mount;
Vue.prototype.$mount = function (
  el,
  hydrating
) {
  el = el && query(el);

  /* istanbul ignore if */
  if (el === document.body || el === document.documentElement) {
    warn(
      "Do not mount Vue to <html> or <body> - mount to normal elements instead."
    );
    return this
  }

  var options = this.$options;
  // resolve template/el and convert to render function
  if (!options.render) {
    var template = options.template;
    if (template) {
      if (typeof template === 'string') {
        if (template.charAt(0) === '#') {
          template = idToTemplate(template);
          /* istanbul ignore if */
          if (!template) {
            warn(
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},{"timers":19}],25:[function(require,module,exports){
var inserted = exports.cache = {}

function noop () {}

exports.insert = function (css) {
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  var elem = document.createElement('style')
  elem.setAttribute('type', 'text/css')

  if ('textContent' in elem) {
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  }
}

},{}]},{},[17]);
;
