{"version":3,"file":"index.js","sources":["webpack:///webpack/bootstrap","webpack:///./src/Scope.vue?17cd","webpack:///./src/SvgPanZoom.vue?f619","webpack:///./src/SvgPanZoomThumbnail.vue?b816","webpack:///./src/Scope.vue?1915","webpack:///./src/SvgPanZoomThumbnail.vue?1a41","webpack:///./node_modules/css-loader/lib/css-base.js","webpack:///Scope.vue","webpack:///SvgPanZoom.vue","webpack:///SvgPanZoomThumbnail.vue","webpack:///./node_modules/poi/node_modules/vue-loader/lib/runtime/componentNormalizer.js","webpack:///./node_modules/process/browser.js","webpack:///./node_modules/setimmediate/setImmediate.js","webpack:///./node_modules/svg-pan-zoom/src/browserify.js","webpack:///./node_modules/svg-pan-zoom/src/control-icons.js","webpack:///./node_modules/svg-pan-zoom/src/shadow-viewport.js","webpack:///./node_modules/svg-pan-zoom/src/svg-pan-zoom.js","webpack:///./node_modules/svg-pan-zoom/src/svg-utilities.js","webpack:///./node_modules/svg-pan-zoom/src/uniwheel.js","webpack:///./node_modules/svg-pan-zoom/src/utilities.js","webpack:///./node_modules/timers-browserify/main.js","webpack:///./src/Scope.vue?627d","webpack:///./src/SvgPanZoomThumbnail.vue?1182","webpack:///./node_modules/vue-style-loader/lib/addStylesClient.js","webpack:///./node_modules/vue-style-loader/lib/listToStyles.js","webpack:///./node_modules/vue/dist/vue.runtime.esm.js","webpack:///(webpack)/buildin/global.js","webpack:///./src/EventBus.js","webpack:///./src/Scope.vue","webpack:///./src/Scope.vue?acb5","webpack:///./src/Scope.vue?b814","webpack:///./src/Scope.vue?cd6d","webpack:///./src/SvgPanZoom.vue","webpack:///./src/SvgPanZoom.vue?04d8","webpack:///./src/SvgPanZoom.vue?7a60","webpack:///./src/SvgPanZoomApi.js","webpack:///./src/SvgPanZoomThumbnail.vue","webpack:///./src/SvgPanZoomThumbnail.vue?3143","webpack:///./src/SvgPanZoomThumbnail.vue?82d6","webpack:///./src/SvgPanZoomThumbnail.vue?8695","webpack:///./src/index.js","webpack:///./src/props.js"],"sourcesContent":[" \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 0);\n","var render = function() {\n  var _vm = this\n  var _h = _vm.$createElement\n  var _c = _vm._self._c || _h\n  return _c(\n    \"svg\",\n    {\n      staticClass: \"thumbViewClass\",\n      on: { click: _vm.updateMainViewPan, mousemove: _vm.updateMainViewPan }\n    },\n    [\n      _c(\"rect\", {\n        staticClass: \"scope\",\n        attrs: { x: _vm.x, y: _vm.y, width: _vm.width, height: _vm.height }\n      })\n    ]\n  )\n}\nvar staticRenderFns = []\nrender._withStripped = true\n\nexport { render, staticRenderFns }","var render = function() {\n  var _vm = this\n  var _h = _vm.$createElement\n  var _c = _vm._self._c || _h\n  return _c(\n    \"div\",\n    [\n      _vm._t(\"default\"),\n      _vm._v(\" \"),\n      _vm.has_thumbnail\n        ? _c(\n            \"SvgPanZoomThumbnail\",\n            {\n              attrs: {\n                onThumbnailShown: _vm.onThumbnailShown,\n                mainSPZ: _vm.spz,\n                bus: _vm.bus\n              }\n            },\n            [_vm._t(\"thumbnail\")],\n            2\n          )\n        : _vm._e()\n    ],\n    2\n  )\n}\nvar staticRenderFns = []\nrender._withStripped = true\n\nexport { render, staticRenderFns }","var render = function() {\n  var _vm = this\n  var _h = _vm.$createElement\n  var _c = _vm._self._c || _h\n  return _c(\n    \"div\",\n    { on: { wheel: _vm.zoomMain } },\n    [\n      _c(\n        \"SPZ\",\n        {\n          staticClass: \"thumbnail\",\n          attrs: {\n            zoomEnabled: false,\n            panEnabled: false,\n            controlIconsEnabled: false,\n            dblClickZoomEnabled: false,\n            preventMouseEventsDefault: true\n          },\n          on: { svgpanzoom: _vm.thumbnailSPZcreated }\n        },\n        [_vm._t(\"default\")],\n        2\n      ),\n      _vm._v(\" \"),\n      _c(\"Scope\", {\n        attrs: {\n          bus: _vm.bus,\n          mainSPZ: _vm.mainSPZ,\n          thumbnailSPZ: _vm.thumbnailSPZ\n        }\n      })\n    ],\n    1\n  )\n}\nvar staticRenderFns = []\nrender._withStripped = true\n\nexport { render, staticRenderFns }","exports = module.exports = require(\"../node_modules/css-loader/lib/css-base.js\")(true);\n// imports\n\n\n// module\nexports.push([module.id, \"\\n.scope[data-v-4c74502b] {\\n  fill: red;\\n  fill-opacity: 0.1;\\n  stroke: red;\\n  stroke-width: 2px;\\n}\\nsvg.thumbViewClass[data-v-4c74502b] {\\n  border: 1px solid black;\\n  position: absolute;\\n  bottom: 5px;\\n  left: 5px;\\n  width: 20%;\\n  height: 30%;\\n  margin: 3px;\\n  padding: 3px;\\n  overflow: hidden;\\n  z-index: 120;\\n}\\n\", \"\", {\"version\":3,\"sources\":[\"/home/yanick/work/javascript/vue-svg-pan-zoom/src/src/Scope.vue\"],\"names\":[],\"mappings\":\";AAOA;EACA,UAAA;EACA,kBAAA;EACA,YAAA;EACA,kBAAA;CACA;AAEA;EACA,wBAAA;EACA,mBAAA;EACA,YAAA;EACA,UAAA;EACA,WAAA;EACA,YAAA;EACA,YAAA;EACA,aAAA;EACA,iBAAA;EACA,aAAA;CACA\",\"file\":\"Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\",\"sourcesContent\":[\"<template>\\n  <svg class=\\\"thumbViewClass\\\" @click=\\\"updateMainViewPan\\\" @mousemove=\\\"updateMainViewPan\\\">\\n    <rect class=\\\"scope\\\" :x=\\\"x\\\" :y=\\\"y\\\" :width=\\\"width\\\" :height=\\\"height\\\"/>\\n  </svg>\\n</template>\\n\\n<style scoped>\\n  .scope {\\n    fill: red;\\n    fill-opacity: 0.1;\\n    stroke: red;\\n    stroke-width: 2px;\\n  }\\n\\n  svg.thumbViewClass {\\n    border: 1px solid black;\\n    position: absolute;\\n    bottom: 5px;\\n    left: 5px;\\n    width: 20%;\\n    height: 30%;\\n    margin: 3px;\\n    padding: 3px;\\n    overflow: hidden;\\n    z-index: 120;\\n  }\\n</style>\\n\\n<script>\\n  function updateScope(){\\n    let main = this.mainSPZ;\\n    let thumb = this.thumbnailSPZ;\\n\\n    if( !main || !thumb ) return;\\n\\n    let mainPanX   = main.getPan().x\\n    , mainPanY   = main.getPan().y\\n    , mainWidth  = main.getSizes().width\\n    , mainHeight = main.getSizes().height\\n    , mainZoom   = main.getSizes().realZoom\\n    , thumbPanX  = thumb.getPan().x\\n    , thumbPanY  = thumb.getPan().y\\n    , thumbZoom  = thumb.getSizes().realZoom;\\n\\n    let thumByMainZoomRatio =  thumbZoom / mainZoom;\\n\\n    let scopeX = thumbPanX - mainPanX * thumByMainZoomRatio;\\n    let scopeY = thumbPanY - mainPanY * thumByMainZoomRatio;\\n    let scopeWidth = mainWidth * thumByMainZoomRatio;\\n    let scopeHeight = mainHeight * thumByMainZoomRatio;\\n\\n    this.x = scopeX + 1;\\n    this.y = scopeY + 1;\\n    this.width = scopeWidth - 2;\\n    this.height = scopeHeight - 2;\\n  };\\n\\n\\n  function updateMainViewPan(evt){\\n    if(evt.which == 0 && evt.button == 0){\\n      return false;\\n    }\\n\\n    let main = this.mainSPZ;\\n    let thumb = this.thumbnailSPZ;\\n\\n    let dim = this.$el.getBoundingClientRect()\\n    , mainWidth   = main.getSizes().width\\n    , mainHeight  = main.getSizes().height\\n    , mainZoom    = main.getSizes().realZoom\\n    , thumbWidth  = thumb.getSizes().width\\n    , thumbHeight = thumb.getSizes().height\\n    , thumbZoom =  thumb.getSizes().realZoom;\\n\\n    var thumbPanX = evt.clientX - dim.left - thumbWidth / 2;\\n    var thumbPanY = evt.clientY - dim.top - thumbHeight / 2;\\n    var mainPanX = - thumbPanX * mainZoom / thumbZoom;\\n    var mainPanY = - thumbPanY * mainZoom / thumbZoom;\\n    main.pan({x:mainPanX, y:mainPanY});\\n  }\\n\\n  export default {\\n    props: [ 'bus', 'mainSPZ', 'thumbnailSPZ' ],\\n    data: () => ({ x: 0, y: 0, width: 0, height: 0 }),\\n    watch: {\\n      mainSPZ() { updateScope.call(this) },\\n      thumbnailSPZ() { updateScope.call(this) },\\n    },\\n    mounted() {\\n      const up = updateScope.bind(this);\\n      [ 'mainZoom', 'mainPan', 'thumbnailCreated' ].forEach( event => this.bus.$on( event, up ) );\\n      up();\\n    },\\n    methods: {\\n      updateMainViewPan\\n    }\\n  };\\n</script>\\n\"],\"sourceRoot\":\"\"}]);\n\n// exports\n","exports = module.exports = require(\"../node_modules/css-loader/lib/css-base.js\")(true);\n// imports\n\n\n// module\nexports.push([module.id, \"\\n.thumbView {\\n  z-index: 110;\\n  background: white;\\n}\\n.thumbnail {\\n  position: absolute;\\n  bottom: 5px;\\n  left: 5px;\\n  width: 20%;\\n  height: 30%;\\n  margin: 3px;\\n  padding: 3px;\\n  overflow: hidden;\\n  z-index: 120;\\n}\\n.thumbnail svg {\\n  width: 100% !important;\\n  height: 100% !important;\\n}\\n\", \"\", {\"version\":3,\"sources\":[\"/home/yanick/work/javascript/vue-svg-pan-zoom/src/src/SvgPanZoomThumbnail.vue\"],\"names\":[],\"mappings\":\";AAiBA;EACA,aAAA;EACA,kBAAA;CACA;AAEA;EACA,mBAAA;EACA,YAAA;EACA,UAAA;EACA,WAAA;EACA,YAAA;EACA,YAAA;EACA,aAAA;EACA,iBAAA;EACA,aAAA;CACA;AAEA;EACA,uBAAA;EACA,wBAAA;CACA\",\"file\":\"SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\",\"sourcesContent\":[\"<template>\\n  <div v-on:wheel=\\\"zoomMain\\\">\\n    <SPZ class=\\\"thumbnail\\\"\\n      :zoomEnabled=\\\"false\\\"\\n      :panEnabled=\\\"false\\\"\\n      :controlIconsEnabled=\\\"false\\\"\\n      :dblClickZoomEnabled=\\\"false\\\"\\n      :preventMouseEventsDefault=\\\"true\\\"\\n      v-on:svgpanzoom=\\\"thumbnailSPZcreated\\\"\\n    >\\n      <slot class=\\\"thumbnail\\\" />\\n    </SPZ>\\n    <Scope :bus=\\\"bus\\\" :mainSPZ=\\\"mainSPZ\\\" :thumbnailSPZ=\\\"thumbnailSPZ\\\" />\\n  </div>\\n</template>\\n\\n<style>\\n  .thumbView {\\n    z-index: 110;\\n    background: white;\\n  }\\n\\n  .thumbnail {\\n    position: absolute;\\n    bottom: 5px;\\n    left: 5px;\\n    width: 20%;\\n    height: 30%;\\n    margin: 3px;\\n    padding: 3px;\\n    overflow: hidden;\\n    z-index: 120;\\n  }\\n\\n  .thumbnail svg {\\n    width: 100% !important;\\n    height: 100% !important;\\n  }\\n</style>\\n\\n<script>\\nimport Scope from './Scope.vue';\\n\\nexport default {\\n  components: { Scope },\\n  props: [ 'onThumbnailShown', 'mainSPZ', 'bus' ],\\n  data: () => ({ thumbnailSPZ: null }),\\n  beforeCreate: function () {\\n    this.$options.components.SPZ = require('./SvgPanZoom.vue').default\\n  },\\n  methods: {\\n    zoomMain(evt) {\\n      this.mainSPZ[ event.deltaY < 0 ? 'zoomIn' : 'zoomOut' ]();\\n    },\\n    thumbnailSPZcreated(spz) {\\n      this.thumbnailSPZ = spz;\\n      this.bus.$emit( 'thumbnailCreated', spz );\\n    },\\n  },\\n  mounted() {\\n    if( this.onThumbnailShown ) {\\n      this.onThumbnailShown();\\n    }\\n  }\\n};\\n</script>\\n\"],\"sourceRoot\":\"\"}]);\n\n// exports\n","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn \"@media \" + item[2] + \"{\" + content + \"}\";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join(\"\");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === \"string\")\n\t\t\tmodules = [[null, modules, \"\"]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === \"number\")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t//  when a module is imported multiple times with different media queries.\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || '';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === 'function') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join('\\n');\n\t}\n\n\treturn [content].join('\\n');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;\n\n\treturn '/*# ' + data + ' */';\n}\n","<template>\n  <svg class=\"thumbViewClass\" @click=\"updateMainViewPan\" @mousemove=\"updateMainViewPan\">\n    <rect class=\"scope\" :x=\"x\" :y=\"y\" :width=\"width\" :height=\"height\"/>\n  </svg>\n</template>\n\n<style scoped>\n  .scope {\n    fill: red;\n    fill-opacity: 0.1;\n    stroke: red;\n    stroke-width: 2px;\n  }\n\n  svg.thumbViewClass {\n    border: 1px solid black;\n    position: absolute;\n    bottom: 5px;\n    left: 5px;\n    width: 20%;\n    height: 30%;\n    margin: 3px;\n    padding: 3px;\n    overflow: hidden;\n    z-index: 120;\n  }\n</style>\n\n<script>\n  function updateScope(){\n    let main = this.mainSPZ;\n    let thumb = this.thumbnailSPZ;\n\n    if( !main || !thumb ) return;\n\n    let mainPanX   = main.getPan().x\n    , mainPanY   = main.getPan().y\n    , mainWidth  = main.getSizes().width\n    , mainHeight = main.getSizes().height\n    , mainZoom   = main.getSizes().realZoom\n    , thumbPanX  = thumb.getPan().x\n    , thumbPanY  = thumb.getPan().y\n    , thumbZoom  = thumb.getSizes().realZoom;\n\n    let thumByMainZoomRatio =  thumbZoom / mainZoom;\n\n    let scopeX = thumbPanX - mainPanX * thumByMainZoomRatio;\n    let scopeY = thumbPanY - mainPanY * thumByMainZoomRatio;\n    let scopeWidth = mainWidth * thumByMainZoomRatio;\n    let scopeHeight = mainHeight * thumByMainZoomRatio;\n\n    this.x = scopeX + 1;\n    this.y = scopeY + 1;\n    this.width = scopeWidth - 2;\n    this.height = scopeHeight - 2;\n  };\n\n\n  function updateMainViewPan(evt){\n    if(evt.which == 0 && evt.button == 0){\n      return false;\n    }\n\n    let main = this.mainSPZ;\n    let thumb = this.thumbnailSPZ;\n\n    let dim = this.$el.getBoundingClientRect()\n    , mainWidth   = main.getSizes().width\n    , mainHeight  = main.getSizes().height\n    , mainZoom    = main.getSizes().realZoom\n    , thumbWidth  = thumb.getSizes().width\n    , thumbHeight = thumb.getSizes().height\n    , thumbZoom =  thumb.getSizes().realZoom;\n\n    var thumbPanX = evt.clientX - dim.left - thumbWidth / 2;\n    var thumbPanY = evt.clientY - dim.top - thumbHeight / 2;\n    var mainPanX = - thumbPanX * mainZoom / thumbZoom;\n    var mainPanY = - thumbPanY * mainZoom / thumbZoom;\n    main.pan({x:mainPanX, y:mainPanY});\n  }\n\n  export default {\n    props: [ 'bus', 'mainSPZ', 'thumbnailSPZ' ],\n    data: () => ({ x: 0, y: 0, width: 0, height: 0 }),\n    watch: {\n      mainSPZ() { updateScope.call(this) },\n      thumbnailSPZ() { updateScope.call(this) },\n    },\n    mounted() {\n      const up = updateScope.bind(this);\n      [ 'mainZoom', 'mainPan', 'thumbnailCreated' ].forEach( event => this.bus.$on( event, up ) );\n      up();\n    },\n    methods: {\n      updateMainViewPan\n    }\n  };\n</script>\n","<template>\n<div>\n    <slot />\n\n    <SvgPanZoomThumbnail v-if=\"has_thumbnail\"\n        :onThumbnailShown=\"onThumbnailShown\"\n        :mainSPZ=\"spz\"\n        :bus=\"bus\"\n    >\n        <slot name=\"thumbnail\" />\n    </SvgPanZoomThumbnail>\n\n</div>\n</template>\n\n\n<script>\nimport svg_pan_zoom from 'svg-pan-zoom';\n\nimport props from './props';\n\nimport { EventBus } from './EventBus';\n\nimport SvgPanZoomThumbnail from './SvgPanZoomThumbnail.vue';\n\nimport { SvgPanZoomApi } from './SvgPanZoomApi';\n\nexport default {\n  components: { SvgPanZoomThumbnail },\n  props,\n  computed: {\n    has_thumbnail: function() { return this.$slots.thumbnail },\n    options: function() {\n      let options = {};\n\n      const is_defined = k => this[k] !== undefined;\n\n      Object.keys(props)\n        .filter( is_defined )\n        .forEach( k => options[k] = this[k] );\n\n      return options;\n    }\n  },\n  data: () => ({\n    spz: null,\n    bus: EventBus()\n  }),\n  mounted: function() {\n    let options = {};\n\n    Object.keys(props).filter( k => this[k] !== undefined ).forEach( k => options[k] = this[k] );\n\n    options.onZoom = (...args) => {\n      this.bus.$emit( 'mainZoom' );\n      if( this.onZoom ) this.onZoom(args);\n    };\n\n    options.onPan = (...args) => {\n      this.bus.$emit( 'mainPan' );\n      if( this.onPan ) this.onPan(args);\n    };\n\n    this.spz = svg_pan_zoom( this.$slots.default[0].elm , options );\n\n    this.$emit( 'svgpanzoom', this.spz );\n  },\n  methods: {\n    zoom: function( v ){\n      this.spz.zoom( v );\n    },\n    zoomBy: function( v ){\n      this.spz.zoomBy( v );\n    }\n  }\n};\n\n</script>\n","<template>\n  <div v-on:wheel=\"zoomMain\">\n    <SPZ class=\"thumbnail\"\n      :zoomEnabled=\"false\"\n      :panEnabled=\"false\"\n      :controlIconsEnabled=\"false\"\n      :dblClickZoomEnabled=\"false\"\n      :preventMouseEventsDefault=\"true\"\n      v-on:svgpanzoom=\"thumbnailSPZcreated\"\n    >\n      <slot class=\"thumbnail\" />\n    </SPZ>\n    <Scope :bus=\"bus\" :mainSPZ=\"mainSPZ\" :thumbnailSPZ=\"thumbnailSPZ\" />\n  </div>\n</template>\n\n<style>\n  .thumbView {\n    z-index: 110;\n    background: white;\n  }\n\n  .thumbnail {\n    position: absolute;\n    bottom: 5px;\n    left: 5px;\n    width: 20%;\n    height: 30%;\n    margin: 3px;\n    padding: 3px;\n    overflow: hidden;\n    z-index: 120;\n  }\n\n  .thumbnail svg {\n    width: 100% !important;\n    height: 100% !important;\n  }\n</style>\n\n<script>\nimport Scope from './Scope.vue';\n\nexport default {\n  components: { Scope },\n  props: [ 'onThumbnailShown', 'mainSPZ', 'bus' ],\n  data: () => ({ thumbnailSPZ: null }),\n  beforeCreate: function () {\n    this.$options.components.SPZ = require('./SvgPanZoom.vue').default\n  },\n  methods: {\n    zoomMain(evt) {\n      this.mainSPZ[ event.deltaY < 0 ? 'zoomIn' : 'zoomOut' ]();\n    },\n    thumbnailSPZcreated(spz) {\n      this.thumbnailSPZ = spz;\n      this.bus.$emit( 'thumbnailCreated', spz );\n    },\n  },\n  mounted() {\n    if( this.onThumbnailShown ) {\n      this.onThumbnailShown();\n    }\n  }\n};\n</script>\n","/* globals __VUE_SSR_CONTEXT__ */\n\n// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).\n// This module is a runtime utility for cleaner component module output and will\n// be included in the final webpack user bundle.\n\nexport default function normalizeComponent (\n  scriptExports,\n  render,\n  staticRenderFns,\n  functionalTemplate,\n  injectStyles,\n  scopeId,\n  moduleIdentifier, /* server only */\n  shadowMode /* vue-cli only */\n) {\n  // Vue.extend constructor export interop\n  var options = typeof scriptExports === 'function'\n    ? scriptExports.options\n    : scriptExports\n\n  // render functions\n  if (render) {\n    options.render = render\n    options.staticRenderFns = staticRenderFns\n    options._compiled = true\n  }\n\n  // functional template\n  if (functionalTemplate) {\n    options.functional = true\n  }\n\n  // scopedId\n  if (scopeId) {\n    options._scopeId = 'data-v-' + scopeId\n  }\n\n  var hook\n  if (moduleIdentifier) { // server build\n    hook = function (context) {\n      // 2.3 injection\n      context =\n        context || // cached call\n        (this.$vnode && this.$vnode.ssrContext) || // stateful\n        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional\n      // 2.2 with runInNewContext: true\n      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {\n        context = __VUE_SSR_CONTEXT__\n      }\n      // inject component styles\n      if (injectStyles) {\n        injectStyles.call(this, context)\n      }\n      // register component module identifier for async chunk inferrence\n      if (context && context._registeredComponents) {\n        context._registeredComponents.add(moduleIdentifier)\n      }\n    }\n    // used by ssr in case component is cached and beforeCreate\n    // never gets called\n    options._ssrRegister = hook\n  } else if (injectStyles) {\n    hook = shadowMode\n      ? function () { injectStyles.call(this, this.$root.$options.shadowRoot) }\n      : injectStyles\n  }\n\n  if (hook) {\n    if (options.functional) {\n      // for template-only hot-reload because in that case the render fn doesn't\n      // go through the normalizer\n      options._injectStyles = hook\n      // register for functioal component in vue file\n      var originalRender = options.render\n      options.render = function renderWithStyleInjection (h, context) {\n        hook.call(context)\n        return originalRender(h, context)\n      }\n    } else {\n      // inject component registration as beforeCreate hook\n      var existing = options.beforeCreate\n      options.beforeCreate = existing\n        ? [].concat(existing, hook)\n        : [hook]\n    }\n  }\n\n  return {\n    exports: scriptExports,\n    options: options\n  }\n}\n","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // 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\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // 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.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","(function (global, undefined) {\n    \"use strict\";\n\n    if (global.setImmediate) {\n        return;\n    }\n\n    var nextHandle = 1; // Spec says greater than zero\n    var tasksByHandle = {};\n    var currentlyRunningATask = false;\n    var doc = global.document;\n    var registerImmediate;\n\n    function setImmediate(callback) {\n      // Callback can either be a function or a string\n      if (typeof callback !== \"function\") {\n        callback = new Function(\"\" + callback);\n      }\n      // Copy function arguments\n      var args = new Array(arguments.length - 1);\n      for (var i = 0; i < args.length; i++) {\n          args[i] = arguments[i + 1];\n      }\n      // Store and register the task\n      var task = { callback: callback, args: args };\n      tasksByHandle[nextHandle] = task;\n      registerImmediate(nextHandle);\n      return nextHandle++;\n    }\n\n    function clearImmediate(handle) {\n        delete tasksByHandle[handle];\n    }\n\n    function run(task) {\n        var callback = task.callback;\n        var args = task.args;\n        switch (args.length) {\n        case 0:\n            callback();\n            break;\n        case 1:\n            callback(args[0]);\n            break;\n        case 2:\n            callback(args[0], args[1]);\n            break;\n        case 3:\n            callback(args[0], args[1], args[2]);\n            break;\n        default:\n            callback.apply(undefined, args);\n            break;\n        }\n    }\n\n    function runIfPresent(handle) {\n        // From the spec: \"Wait until any invocations of this algorithm started before this one have completed.\"\n        // So if we're currently running a task, we'll need to delay this invocation.\n        if (currentlyRunningATask) {\n            // Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a\n            // \"too much recursion\" error.\n            setTimeout(runIfPresent, 0, handle);\n        } else {\n            var task = tasksByHandle[handle];\n            if (task) {\n                currentlyRunningATask = true;\n                try {\n                    run(task);\n                } finally {\n                    clearImmediate(handle);\n                    currentlyRunningATask = false;\n                }\n            }\n        }\n    }\n\n    function installNextTickImplementation() {\n        registerImmediate = function(handle) {\n            process.nextTick(function () { runIfPresent(handle); });\n        };\n    }\n\n    function canUsePostMessage() {\n        // The test against `importScripts` prevents this implementation from being installed inside a web worker,\n        // where `global.postMessage` means something completely different and can't be used for this purpose.\n        if (global.postMessage && !global.importScripts) {\n            var postMessageIsAsynchronous = true;\n            var oldOnMessage = global.onmessage;\n            global.onmessage = function() {\n                postMessageIsAsynchronous = false;\n            };\n            global.postMessage(\"\", \"*\");\n            global.onmessage = oldOnMessage;\n            return postMessageIsAsynchronous;\n        }\n    }\n\n    function installPostMessageImplementation() {\n        // Installs an event handler on `global` for the `message` event: see\n        // * https://developer.mozilla.org/en/DOM/window.postMessage\n        // * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages\n\n        var messagePrefix = \"setImmediate$\" + Math.random() + \"$\";\n        var onGlobalMessage = function(event) {\n            if (event.source === global &&\n                typeof event.data === \"string\" &&\n                event.data.indexOf(messagePrefix) === 0) {\n                runIfPresent(+event.data.slice(messagePrefix.length));\n            }\n        };\n\n        if (global.addEventListener) {\n            global.addEventListener(\"message\", onGlobalMessage, false);\n        } else {\n            global.attachEvent(\"onmessage\", onGlobalMessage);\n        }\n\n        registerImmediate = function(handle) {\n            global.postMessage(messagePrefix + handle, \"*\");\n        };\n    }\n\n    function installMessageChannelImplementation() {\n        var channel = new MessageChannel();\n        channel.port1.onmessage = function(event) {\n            var handle = event.data;\n            runIfPresent(handle);\n        };\n\n        registerImmediate = function(handle) {\n            channel.port2.postMessage(handle);\n        };\n    }\n\n    function installReadyStateChangeImplementation() {\n        var html = doc.documentElement;\n        registerImmediate = function(handle) {\n            // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted\n            // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.\n            var script = doc.createElement(\"script\");\n            script.onreadystatechange = function () {\n                runIfPresent(handle);\n                script.onreadystatechange = null;\n                html.removeChild(script);\n                script = null;\n            };\n            html.appendChild(script);\n        };\n    }\n\n    function installSetTimeoutImplementation() {\n        registerImmediate = function(handle) {\n            setTimeout(runIfPresent, 0, handle);\n        };\n    }\n\n    // If supported, we should attach to the prototype of global, since that is where setTimeout et al. live.\n    var attachTo = Object.getPrototypeOf && Object.getPrototypeOf(global);\n    attachTo = attachTo && attachTo.setTimeout ? attachTo : global;\n\n    // Don't get fooled by e.g. browserify environments.\n    if ({}.toString.call(global.process) === \"[object process]\") {\n        // For Node.js before 0.9\n        installNextTickImplementation();\n\n    } else if (canUsePostMessage()) {\n        // For non-IE10 modern browsers\n        installPostMessageImplementation();\n\n    } else if (global.MessageChannel) {\n        // For web workers, where supported\n        installMessageChannelImplementation();\n\n    } else if (doc && \"onreadystatechange\" in doc.createElement(\"script\")) {\n        // For IE 6–8\n        installReadyStateChangeImplementation();\n\n    } else {\n        // For older browsers\n        installSetTimeoutImplementation();\n    }\n\n    attachTo.setImmediate = setImmediate;\n    attachTo.clearImmediate = clearImmediate;\n}(typeof self === \"undefined\" ? typeof global === \"undefined\" ? this : global : self));\n","var SvgPanZoom = require('./svg-pan-zoom.js');\n\nmodule.exports = SvgPanZoom;\n","var SvgUtils = require('./svg-utilities');\n\nmodule.exports = {\n  enable: function(instance) {\n    // Select (and create if necessary) defs\n    var defs = instance.svg.querySelector('defs')\n    if (!defs) {\n      defs = document.createElementNS(SvgUtils.svgNS, 'defs')\n      instance.svg.appendChild(defs)\n    }\n\n    // Check for style element, and create it if it doesn't exist\n    var styleEl = defs.querySelector('style#svg-pan-zoom-controls-styles');\n    if (!styleEl) {\n      var style = document.createElementNS(SvgUtils.svgNS, 'style')\n      style.setAttribute('id', 'svg-pan-zoom-controls-styles')\n      style.setAttribute('type', 'text/css')\n      style.textContent = '.svg-pan-zoom-control { cursor: pointer; fill: black; fill-opacity: 0.333; } .svg-pan-zoom-control:hover { fill-opacity: 0.8; } .svg-pan-zoom-control-background { fill: white; fill-opacity: 0.5; } .svg-pan-zoom-control-background { fill-opacity: 0.8; }'\n      defs.appendChild(style)\n    }\n\n    // Zoom Group\n    var zoomGroup = document.createElementNS(SvgUtils.svgNS, 'g');\n    zoomGroup.setAttribute('id', 'svg-pan-zoom-controls');\n    zoomGroup.setAttribute('transform', 'translate(' + ( instance.width - 70 ) + ' ' + ( instance.height - 76 ) + ') scale(0.75)');\n    zoomGroup.setAttribute('class', 'svg-pan-zoom-control');\n\n    // Control elements\n    zoomGroup.appendChild(this._createZoomIn(instance))\n    zoomGroup.appendChild(this._createZoomReset(instance))\n    zoomGroup.appendChild(this._createZoomOut(instance))\n\n    // Finally append created element\n    instance.svg.appendChild(zoomGroup)\n\n    // Cache control instance\n    instance.controlIcons = zoomGroup\n  }\n\n, _createZoomIn: function(instance) {\n    var zoomIn = document.createElementNS(SvgUtils.svgNS, 'g');\n    zoomIn.setAttribute('id', 'svg-pan-zoom-zoom-in');\n    zoomIn.setAttribute('transform', 'translate(30.5 5) scale(0.015)');\n    zoomIn.setAttribute('class', 'svg-pan-zoom-control');\n    zoomIn.addEventListener('click', function() {instance.getPublicInstance().zoomIn()}, false)\n    zoomIn.addEventListener('touchstart', function() {instance.getPublicInstance().zoomIn()}, false)\n\n    var zoomInBackground = document.createElementNS(SvgUtils.svgNS, 'rect'); // TODO change these background space fillers to rounded rectangles so they look prettier\n    zoomInBackground.setAttribute('x', '0');\n    zoomInBackground.setAttribute('y', '0');\n    zoomInBackground.setAttribute('width', '1500'); // larger than expected because the whole group is transformed to scale down\n    zoomInBackground.setAttribute('height', '1400');\n    zoomInBackground.setAttribute('class', 'svg-pan-zoom-control-background');\n    zoomIn.appendChild(zoomInBackground);\n\n    var zoomInShape = document.createElementNS(SvgUtils.svgNS, 'path');\n    zoomInShape.setAttribute('d', 'M1280 576v128q0 26 -19 45t-45 19h-320v320q0 26 -19 45t-45 19h-128q-26 0 -45 -19t-19 -45v-320h-320q-26 0 -45 -19t-19 -45v-128q0 -26 19 -45t45 -19h320v-320q0 -26 19 -45t45 -19h128q26 0 45 19t19 45v320h320q26 0 45 19t19 45zM1536 1120v-960 q0 -119 -84.5 -203.5t-203.5 -84.5h-960q-119 0 -203.5 84.5t-84.5 203.5v960q0 119 84.5 203.5t203.5 84.5h960q119 0 203.5 -84.5t84.5 -203.5z');\n    zoomInShape.setAttribute('class', 'svg-pan-zoom-control-element');\n    zoomIn.appendChild(zoomInShape);\n\n    return zoomIn\n  }\n\n, _createZoomReset: function(instance){\n    // reset\n    var resetPanZoomControl = document.createElementNS(SvgUtils.svgNS, 'g');\n    resetPanZoomControl.setAttribute('id', 'svg-pan-zoom-reset-pan-zoom');\n    resetPanZoomControl.setAttribute('transform', 'translate(5 35) scale(0.4)');\n    resetPanZoomControl.setAttribute('class', 'svg-pan-zoom-control');\n    resetPanZoomControl.addEventListener('click', function() {instance.getPublicInstance().reset()}, false);\n    resetPanZoomControl.addEventListener('touchstart', function() {instance.getPublicInstance().reset()}, false);\n\n    var resetPanZoomControlBackground = document.createElementNS(SvgUtils.svgNS, 'rect'); // TODO change these background space fillers to rounded rectangles so they look prettier\n    resetPanZoomControlBackground.setAttribute('x', '2');\n    resetPanZoomControlBackground.setAttribute('y', '2');\n    resetPanZoomControlBackground.setAttribute('width', '182'); // larger than expected because the whole group is transformed to scale down\n    resetPanZoomControlBackground.setAttribute('height', '58');\n    resetPanZoomControlBackground.setAttribute('class', 'svg-pan-zoom-control-background');\n    resetPanZoomControl.appendChild(resetPanZoomControlBackground);\n\n    var resetPanZoomControlShape1 = document.createElementNS(SvgUtils.svgNS, 'path');\n    resetPanZoomControlShape1.setAttribute('d', 'M33.051,20.632c-0.742-0.406-1.854-0.609-3.338-0.609h-7.969v9.281h7.769c1.543,0,2.701-0.188,3.473-0.562c1.365-0.656,2.048-1.953,2.048-3.891C35.032,22.757,34.372,21.351,33.051,20.632z');\n    resetPanZoomControlShape1.setAttribute('class', 'svg-pan-zoom-control-element');\n    resetPanZoomControl.appendChild(resetPanZoomControlShape1);\n\n    var resetPanZoomControlShape2 = document.createElementNS(SvgUtils.svgNS, 'path');\n    resetPanZoomControlShape2.setAttribute('d', 'M170.231,0.5H15.847C7.102,0.5,0.5,5.708,0.5,11.84v38.861C0.5,56.833,7.102,61.5,15.847,61.5h154.384c8.745,0,15.269-4.667,15.269-10.798V11.84C185.5,5.708,178.976,0.5,170.231,0.5z M42.837,48.569h-7.969c-0.219-0.766-0.375-1.383-0.469-1.852c-0.188-0.969-0.289-1.961-0.305-2.977l-0.047-3.211c-0.03-2.203-0.41-3.672-1.142-4.406c-0.732-0.734-2.103-1.102-4.113-1.102h-7.05v13.547h-7.055V14.022h16.524c2.361,0.047,4.178,0.344,5.45,0.891c1.272,0.547,2.351,1.352,3.234,2.414c0.731,0.875,1.31,1.844,1.737,2.906s0.64,2.273,0.64,3.633c0,1.641-0.414,3.254-1.242,4.84s-2.195,2.707-4.102,3.363c1.594,0.641,2.723,1.551,3.387,2.73s0.996,2.98,0.996,5.402v2.32c0,1.578,0.063,2.648,0.19,3.211c0.19,0.891,0.635,1.547,1.333,1.969V48.569z M75.579,48.569h-26.18V14.022h25.336v6.117H56.454v7.336h16.781v6H56.454v8.883h19.125V48.569z M104.497,46.331c-2.44,2.086-5.887,3.129-10.34,3.129c-4.548,0-8.125-1.027-10.731-3.082s-3.909-4.879-3.909-8.473h6.891c0.224,1.578,0.662,2.758,1.316,3.539c1.196,1.422,3.246,2.133,6.15,2.133c1.739,0,3.151-0.188,4.236-0.562c2.058-0.719,3.087-2.055,3.087-4.008c0-1.141-0.504-2.023-1.512-2.648c-1.008-0.609-2.607-1.148-4.796-1.617l-3.74-0.82c-3.676-0.812-6.201-1.695-7.576-2.648c-2.328-1.594-3.492-4.086-3.492-7.477c0-3.094,1.139-5.664,3.417-7.711s5.623-3.07,10.036-3.07c3.685,0,6.829,0.965,9.431,2.895c2.602,1.93,3.966,4.73,4.093,8.402h-6.938c-0.128-2.078-1.057-3.555-2.787-4.43c-1.154-0.578-2.587-0.867-4.301-0.867c-1.907,0-3.428,0.375-4.565,1.125c-1.138,0.75-1.706,1.797-1.706,3.141c0,1.234,0.561,2.156,1.682,2.766c0.721,0.406,2.25,0.883,4.589,1.43l6.063,1.43c2.657,0.625,4.648,1.461,5.975,2.508c2.059,1.625,3.089,3.977,3.089,7.055C108.157,41.624,106.937,44.245,104.497,46.331z M139.61,48.569h-26.18V14.022h25.336v6.117h-18.281v7.336h16.781v6h-16.781v8.883h19.125V48.569z M170.337,20.14h-10.336v28.43h-7.266V20.14h-10.383v-6.117h27.984V20.14z');\n    resetPanZoomControlShape2.setAttribute('class', 'svg-pan-zoom-control-element');\n    resetPanZoomControl.appendChild(resetPanZoomControlShape2);\n\n    return resetPanZoomControl\n  }\n\n, _createZoomOut: function(instance){\n    // zoom out\n    var zoomOut = document.createElementNS(SvgUtils.svgNS, 'g');\n    zoomOut.setAttribute('id', 'svg-pan-zoom-zoom-out');\n    zoomOut.setAttribute('transform', 'translate(30.5 70) scale(0.015)');\n    zoomOut.setAttribute('class', 'svg-pan-zoom-control');\n    zoomOut.addEventListener('click', function() {instance.getPublicInstance().zoomOut()}, false);\n    zoomOut.addEventListener('touchstart', function() {instance.getPublicInstance().zoomOut()}, false);\n\n    var zoomOutBackground = document.createElementNS(SvgUtils.svgNS, 'rect'); // TODO change these background space fillers to rounded rectangles so they look prettier\n    zoomOutBackground.setAttribute('x', '0');\n    zoomOutBackground.setAttribute('y', '0');\n    zoomOutBackground.setAttribute('width', '1500'); // larger than expected because the whole group is transformed to scale down\n    zoomOutBackground.setAttribute('height', '1400');\n    zoomOutBackground.setAttribute('class', 'svg-pan-zoom-control-background');\n    zoomOut.appendChild(zoomOutBackground);\n\n    var zoomOutShape = document.createElementNS(SvgUtils.svgNS, 'path');\n    zoomOutShape.setAttribute('d', 'M1280 576v128q0 26 -19 45t-45 19h-896q-26 0 -45 -19t-19 -45v-128q0 -26 19 -45t45 -19h896q26 0 45 19t19 45zM1536 1120v-960q0 -119 -84.5 -203.5t-203.5 -84.5h-960q-119 0 -203.5 84.5t-84.5 203.5v960q0 119 84.5 203.5t203.5 84.5h960q119 0 203.5 -84.5 t84.5 -203.5z');\n    zoomOutShape.setAttribute('class', 'svg-pan-zoom-control-element');\n    zoomOut.appendChild(zoomOutShape);\n\n    return zoomOut\n  }\n\n, disable: function(instance) {\n    if (instance.controlIcons) {\n      instance.controlIcons.parentNode.removeChild(instance.controlIcons)\n      instance.controlIcons = null\n    }\n  }\n}\n","var SvgUtils = require('./svg-utilities')\n  , Utils = require('./utilities')\n  ;\n\nvar ShadowViewport = function(viewport, options){\n  this.init(viewport, options)\n}\n\n/**\n * Initialization\n *\n * @param  {SVGElement} viewport\n * @param  {Object} options\n */\nShadowViewport.prototype.init = function(viewport, options) {\n  // DOM Elements\n  this.viewport = viewport\n  this.options = options\n\n  // State cache\n  this.originalState = {zoom: 1, x: 0, y: 0}\n  this.activeState = {zoom: 1, x: 0, y: 0}\n\n  this.updateCTMCached = Utils.proxy(this.updateCTM, this)\n\n  // Create a custom requestAnimationFrame taking in account refreshRate\n  this.requestAnimationFrame = Utils.createRequestAnimationFrame(this.options.refreshRate)\n\n  // ViewBox\n  this.viewBox = {x: 0, y: 0, width: 0, height: 0}\n  this.cacheViewBox()\n\n  // Process CTM\n  var newCTM = this.processCTM()\n\n  // Update viewport CTM and cache zoom and pan\n  this.setCTM(newCTM)\n\n  // Update CTM in this frame\n  this.updateCTM()\n}\n\n/**\n * Cache initial viewBox value\n * If no viewBox is defined, then use viewport size/position instead for viewBox values\n */\nShadowViewport.prototype.cacheViewBox = function() {\n  var svgViewBox = this.options.svg.getAttribute('viewBox')\n\n  if (svgViewBox) {\n    var viewBoxValues = svgViewBox.split(/[\\s\\,]/).filter(function(v){return v}).map(parseFloat)\n\n    // Cache viewbox x and y offset\n    this.viewBox.x = viewBoxValues[0]\n    this.viewBox.y = viewBoxValues[1]\n    this.viewBox.width = viewBoxValues[2]\n    this.viewBox.height = viewBoxValues[3]\n\n    var zoom = Math.min(this.options.width / this.viewBox.width, this.options.height / this.viewBox.height)\n\n    // Update active state\n    this.activeState.zoom = zoom\n    this.activeState.x = (this.options.width - this.viewBox.width * zoom) / 2\n    this.activeState.y = (this.options.height - this.viewBox.height * zoom) / 2\n\n    // Force updating CTM\n    this.updateCTMOnNextFrame()\n\n    this.options.svg.removeAttribute('viewBox')\n  } else {\n    this.simpleViewBoxCache()\n  }\n}\n\n/**\n * Recalculate viewport sizes and update viewBox cache\n */\nShadowViewport.prototype.simpleViewBoxCache = function() {\n  var bBox = this.viewport.getBBox()\n\n  this.viewBox.x = bBox.x\n  this.viewBox.y = bBox.y\n  this.viewBox.width = bBox.width\n  this.viewBox.height = bBox.height\n}\n\n/**\n * Returns a viewbox object. Safe to alter\n *\n * @return {Object} viewbox object\n */\nShadowViewport.prototype.getViewBox = function() {\n  return Utils.extend({}, this.viewBox)\n}\n\n/**\n * Get initial zoom and pan values. Save them into originalState\n * Parses viewBox attribute to alter initial sizes\n *\n * @return {CTM} CTM object based on options\n */\nShadowViewport.prototype.processCTM = function() {\n  var newCTM = this.getCTM()\n\n  if (this.options.fit || this.options.contain) {\n    var newScale;\n    if (this.options.fit) {\n      newScale = Math.min(this.options.width/this.viewBox.width, this.options.height/this.viewBox.height);\n    } else {\n      newScale = Math.max(this.options.width/this.viewBox.width, this.options.height/this.viewBox.height);\n    }\n\n    newCTM.a = newScale; //x-scale\n    newCTM.d = newScale; //y-scale\n    newCTM.e = -this.viewBox.x * newScale; //x-transform\n    newCTM.f = -this.viewBox.y * newScale; //y-transform\n  }\n\n  if (this.options.center) {\n    var offsetX = (this.options.width - (this.viewBox.width + this.viewBox.x * 2) * newCTM.a) * 0.5\n      , offsetY = (this.options.height - (this.viewBox.height + this.viewBox.y * 2) * newCTM.a) * 0.5\n\n    newCTM.e = offsetX\n    newCTM.f = offsetY\n  }\n\n  // Cache initial values. Based on activeState and fix+center opitons\n  this.originalState.zoom = newCTM.a\n  this.originalState.x = newCTM.e\n  this.originalState.y = newCTM.f\n\n  return newCTM\n}\n\n/**\n * Return originalState object. Safe to alter\n *\n * @return {Object}\n */\nShadowViewport.prototype.getOriginalState = function() {\n  return Utils.extend({}, this.originalState)\n}\n\n/**\n * Return actualState object. Safe to alter\n *\n * @return {Object}\n */\nShadowViewport.prototype.getState = function() {\n  return Utils.extend({}, this.activeState)\n}\n\n/**\n * Get zoom scale\n *\n * @return {Float} zoom scale\n */\nShadowViewport.prototype.getZoom = function() {\n  return this.activeState.zoom\n}\n\n/**\n * Get zoom scale for pubilc usage\n *\n * @return {Float} zoom scale\n */\nShadowViewport.prototype.getRelativeZoom = function() {\n  return this.activeState.zoom / this.originalState.zoom\n}\n\n/**\n * Compute zoom scale for pubilc usage\n *\n * @return {Float} zoom scale\n */\nShadowViewport.prototype.computeRelativeZoom = function(scale) {\n  return scale / this.originalState.zoom\n}\n\n/**\n * Get pan\n *\n * @return {Object}\n */\nShadowViewport.prototype.getPan = function() {\n  return {x: this.activeState.x, y: this.activeState.y}\n}\n\n/**\n * Return cached viewport CTM value that can be safely modified\n *\n * @return {SVGMatrix}\n */\nShadowViewport.prototype.getCTM = function() {\n  var safeCTM = this.options.svg.createSVGMatrix()\n\n  // Copy values manually as in FF they are not itterable\n  safeCTM.a = this.activeState.zoom\n  safeCTM.b = 0\n  safeCTM.c = 0\n  safeCTM.d = this.activeState.zoom\n  safeCTM.e = this.activeState.x\n  safeCTM.f = this.activeState.y\n\n  return safeCTM\n}\n\n/**\n * Set a new CTM\n *\n * @param {SVGMatrix} newCTM\n */\nShadowViewport.prototype.setCTM = function(newCTM) {\n  var willZoom = this.isZoomDifferent(newCTM)\n    , willPan = this.isPanDifferent(newCTM)\n\n  if (willZoom || willPan) {\n    // Before zoom\n    if (willZoom) {\n      // If returns false then cancel zooming\n      if (this.options.beforeZoom(this.getRelativeZoom(), this.computeRelativeZoom(newCTM.a)) === false) {\n        newCTM.a = newCTM.d = this.activeState.zoom\n        willZoom = false\n      } else {\n        this.updateCache(newCTM);\n        this.options.onZoom(this.getRelativeZoom())\n      }\n    }\n\n    // Before pan\n    if (willPan) {\n      var preventPan = this.options.beforePan(this.getPan(), {x: newCTM.e, y: newCTM.f})\n          // If prevent pan is an object\n        , preventPanX = false\n        , preventPanY = false\n\n      // If prevent pan is Boolean false\n      if (preventPan === false) {\n        // Set x and y same as before\n        newCTM.e = this.getPan().x\n        newCTM.f = this.getPan().y\n\n        preventPanX = preventPanY = true\n      } else if (Utils.isObject(preventPan)) {\n        // Check for X axes attribute\n        if (preventPan.x === false) {\n          // Prevent panning on x axes\n          newCTM.e = this.getPan().x\n          preventPanX = true\n        } else if (Utils.isNumber(preventPan.x)) {\n          // Set a custom pan value\n          newCTM.e = preventPan.x\n        }\n\n        // Check for Y axes attribute\n        if (preventPan.y === false) {\n          // Prevent panning on x axes\n          newCTM.f = this.getPan().y\n          preventPanY = true\n        } else if (Utils.isNumber(preventPan.y)) {\n          // Set a custom pan value\n          newCTM.f = preventPan.y\n        }\n      }\n\n      // Update willPan flag\n      // Check if newCTM is still different\n      if ((preventPanX && preventPanY) || !this.isPanDifferent(newCTM)) {\n        willPan = false\n      } else {\n        this.updateCache(newCTM);\n        this.options.onPan(this.getPan());\n      }\n    }\n\n    // Check again if should zoom or pan\n    if (willZoom || willPan) {\n      this.updateCTMOnNextFrame()\n    }\n  }\n}\n\nShadowViewport.prototype.isZoomDifferent = function(newCTM) {\n  return this.activeState.zoom !== newCTM.a\n}\n\nShadowViewport.prototype.isPanDifferent = function(newCTM) {\n  return this.activeState.x !== newCTM.e || this.activeState.y !== newCTM.f\n}\n\n\n/**\n * Update cached CTM and active state\n *\n * @param {SVGMatrix} newCTM\n */\nShadowViewport.prototype.updateCache = function(newCTM) {\n  this.activeState.zoom = newCTM.a\n  this.activeState.x = newCTM.e\n  this.activeState.y = newCTM.f\n}\n\nShadowViewport.prototype.pendingUpdate = false\n\n/**\n * Place a request to update CTM on next Frame\n */\nShadowViewport.prototype.updateCTMOnNextFrame = function() {\n  if (!this.pendingUpdate) {\n    // Lock\n    this.pendingUpdate = true\n\n    // Throttle next update\n    this.requestAnimationFrame.call(window, this.updateCTMCached)\n  }\n}\n\n/**\n * Update viewport CTM with cached CTM\n */\nShadowViewport.prototype.updateCTM = function() {\n  var ctm = this.getCTM()\n\n  // Updates SVG element\n  SvgUtils.setCTM(this.viewport, ctm, this.defs)\n\n  // Free the lock\n  this.pendingUpdate = false\n\n  // Notify about the update\n  if(this.options.onUpdatedCTM) {\n    this.options.onUpdatedCTM(ctm)\n  }\n}\n\nmodule.exports = function(viewport, options){\n  return new ShadowViewport(viewport, options)\n}\n","var Wheel = require('./uniwheel')\n, ControlIcons = require('./control-icons')\n, Utils = require('./utilities')\n, SvgUtils = require('./svg-utilities')\n, ShadowViewport = require('./shadow-viewport')\n\nvar SvgPanZoom = function(svg, options) {\n  this.init(svg, options)\n}\n\nvar optionsDefaults = {\n  viewportSelector: '.svg-pan-zoom_viewport' // Viewport selector. Can be querySelector string or SVGElement\n, panEnabled: true // enable or disable panning (default enabled)\n, controlIconsEnabled: false // insert icons to give user an option in addition to mouse events to control pan/zoom (default disabled)\n, zoomEnabled: true // enable or disable zooming (default enabled)\n, dblClickZoomEnabled: true // enable or disable zooming by double clicking (default enabled)\n, mouseWheelZoomEnabled: true // enable or disable zooming by mouse wheel (default enabled)\n, preventMouseEventsDefault: true // enable or disable preventDefault for mouse events\n, zoomScaleSensitivity: 0.1 // Zoom sensitivity\n, minZoom: 0.5 // Minimum Zoom level\n, maxZoom: 10 // Maximum Zoom level\n, fit: true // enable or disable viewport fit in SVG (default true)\n, contain: false // enable or disable viewport contain the svg (default false)\n, center: true // enable or disable viewport centering in SVG (default true)\n, refreshRate: 'auto' // Maximum number of frames per second (altering SVG's viewport)\n, beforeZoom: null\n, onZoom: null\n, beforePan: null\n, onPan: null\n, customEventsHandler: null\n, eventsListenerElement: null\n, onUpdatedCTM: null\n}\n\nvar passiveListenerOption = {passive: true};\n\nSvgPanZoom.prototype.init = function(svg, options) {\n  var that = this\n\n  this.svg = svg\n  this.defs = svg.querySelector('defs')\n\n  // Add default attributes to SVG\n  SvgUtils.setupSvgAttributes(this.svg)\n\n  // Set options\n  this.options = Utils.extend(Utils.extend({}, optionsDefaults), options)\n\n  // Set default state\n  this.state = 'none'\n\n  // Get dimensions\n  var boundingClientRectNormalized = SvgUtils.getBoundingClientRectNormalized(svg)\n  this.width = boundingClientRectNormalized.width\n  this.height = boundingClientRectNormalized.height\n\n  // Init shadow viewport\n  this.viewport = ShadowViewport(SvgUtils.getOrCreateViewport(this.svg, this.options.viewportSelector), {\n    svg: this.svg\n  , width: this.width\n  , height: this.height\n  , fit: this.options.fit\n  , contain: this.options.contain\n  , center: this.options.center\n  , refreshRate: this.options.refreshRate\n  // Put callbacks into functions as they can change through time\n  , beforeZoom: function(oldScale, newScale) {\n      if (that.viewport && that.options.beforeZoom) {return that.options.beforeZoom(oldScale, newScale)}\n    }\n  , onZoom: function(scale) {\n      if (that.viewport && that.options.onZoom) {return that.options.onZoom(scale)}\n    }\n  , beforePan: function(oldPoint, newPoint) {\n      if (that.viewport && that.options.beforePan) {return that.options.beforePan(oldPoint, newPoint)}\n    }\n  , onPan: function(point) {\n      if (that.viewport && that.options.onPan) {return that.options.onPan(point)}\n    }\n  , onUpdatedCTM: function(ctm) {\n      if (that.viewport && that.options.onUpdatedCTM) {return that.options.onUpdatedCTM(ctm)}\n    }\n  })\n\n  // Wrap callbacks into public API context\n  var publicInstance = this.getPublicInstance()\n  publicInstance.setBeforeZoom(this.options.beforeZoom)\n  publicInstance.setOnZoom(this.options.onZoom)\n  publicInstance.setBeforePan(this.options.beforePan)\n  publicInstance.setOnPan(this.options.onPan)\n  publicInstance.setOnUpdatedCTM(this.options.onUpdatedCTM)\n\n  if (this.options.controlIconsEnabled) {\n    ControlIcons.enable(this)\n  }\n\n  // Init events handlers\n  this.lastMouseWheelEventTime = Date.now()\n  this.setupHandlers()\n}\n\n/**\n * Register event handlers\n */\nSvgPanZoom.prototype.setupHandlers = function() {\n  var that = this\n    , prevEvt = null // use for touchstart event to detect double tap\n    ;\n\n  this.eventListeners = {\n    // Mouse down group\n    mousedown: function(evt) {\n      var result = that.handleMouseDown(evt, prevEvt);\n      prevEvt = evt\n      return result;\n    }\n  , touchstart: function(evt) {\n      var result = that.handleMouseDown(evt, prevEvt);\n      prevEvt = evt\n      return result;\n    }\n\n    // Mouse up group\n  , mouseup: function(evt) {\n      return that.handleMouseUp(evt);\n    }\n  , touchend: function(evt) {\n      return that.handleMouseUp(evt);\n    }\n\n    // Mouse move group\n  , mousemove: function(evt) {\n      return that.handleMouseMove(evt);\n    }\n  , touchmove: function(evt) {\n      return that.handleMouseMove(evt);\n    }\n\n    // Mouse leave group\n  , mouseleave: function(evt) {\n      return that.handleMouseUp(evt);\n    }\n  , touchleave: function(evt) {\n      return that.handleMouseUp(evt);\n    }\n  , touchcancel: function(evt) {\n      return that.handleMouseUp(evt);\n    }\n  }\n\n  // Init custom events handler if available\n  if (this.options.customEventsHandler != null) { // jshint ignore:line\n    this.options.customEventsHandler.init({\n      svgElement: this.svg\n    , eventsListenerElement: this.options.eventsListenerElement\n    , instance: this.getPublicInstance()\n    })\n\n    // Custom event handler may halt builtin listeners\n    var haltEventListeners = this.options.customEventsHandler.haltEventListeners\n    if (haltEventListeners && haltEventListeners.length) {\n      for (var i = haltEventListeners.length - 1; i >= 0; i--) {\n        if (this.eventListeners.hasOwnProperty(haltEventListeners[i])) {\n          delete this.eventListeners[haltEventListeners[i]]\n        }\n      }\n    }\n  }\n\n  // Bind eventListeners\n  for (var event in this.eventListeners) {\n    // Attach event to eventsListenerElement or SVG if not available\n    (this.options.eventsListenerElement || this.svg)\n      .addEventListener(event, this.eventListeners[event], !this.options.preventMouseEventsDefault ? passiveListenerOption : false)\n  }\n\n  // Zoom using mouse wheel\n  if (this.options.mouseWheelZoomEnabled) {\n    this.options.mouseWheelZoomEnabled = false // set to false as enable will set it back to true\n    this.enableMouseWheelZoom()\n  }\n}\n\n/**\n * Enable ability to zoom using mouse wheel\n */\nSvgPanZoom.prototype.enableMouseWheelZoom = function() {\n  if (!this.options.mouseWheelZoomEnabled) {\n    var that = this\n\n    // Mouse wheel listener\n    this.wheelListener = function(evt) {\n      return that.handleMouseWheel(evt);\n    }\n\n    // Bind wheelListener\n    var isPassiveListener = !this.options.preventMouseEventsDefault\n    Wheel.on(this.options.eventsListenerElement || this.svg, this.wheelListener, isPassiveListener)\n\n    this.options.mouseWheelZoomEnabled = true\n  }\n}\n\n/**\n * Disable ability to zoom using mouse wheel\n */\nSvgPanZoom.prototype.disableMouseWheelZoom = function() {\n  if (this.options.mouseWheelZoomEnabled) {\n    var isPassiveListener = !this.options.preventMouseEventsDefault\n    Wheel.off(this.options.eventsListenerElement || this.svg, this.wheelListener, isPassiveListener)\n    this.options.mouseWheelZoomEnabled = false\n  }\n}\n\n/**\n * Handle mouse wheel event\n *\n * @param  {Event} evt\n */\nSvgPanZoom.prototype.handleMouseWheel = function(evt) {\n  if (!this.options.zoomEnabled || this.state !== 'none') {\n    return;\n  }\n\n  if (this.options.preventMouseEventsDefault){\n    if (evt.preventDefault) {\n      evt.preventDefault();\n    } else {\n      evt.returnValue = false;\n    }\n  }\n\n  // Default delta in case that deltaY is not available\n  var delta = evt.deltaY || 1\n    , timeDelta = Date.now() - this.lastMouseWheelEventTime\n    , divider = 3 + Math.max(0, 30 - timeDelta)\n\n  // Update cache\n  this.lastMouseWheelEventTime = Date.now()\n\n  // Make empirical adjustments for browsers that give deltaY in pixels (deltaMode=0)\n  if ('deltaMode' in evt && evt.deltaMode === 0 && evt.wheelDelta) {\n    delta = evt.deltaY === 0 ? 0 :  Math.abs(evt.wheelDelta) / evt.deltaY\n  }\n\n  delta = -0.3 < delta && delta < 0.3 ? delta : (delta > 0 ? 1 : -1) * Math.log(Math.abs(delta) + 10) / divider\n\n  var inversedScreenCTM = this.svg.getScreenCTM().inverse()\n    , relativeMousePoint = SvgUtils.getEventPoint(evt, this.svg).matrixTransform(inversedScreenCTM)\n    , zoom = Math.pow(1 + this.options.zoomScaleSensitivity, (-1) * delta); // multiplying by neg. 1 so as to make zoom in/out behavior match Google maps behavior\n\n  this.zoomAtPoint(zoom, relativeMousePoint)\n}\n\n/**\n * Zoom in at a SVG point\n *\n * @param  {SVGPoint} point\n * @param  {Float} zoomScale    Number representing how much to zoom\n * @param  {Boolean} zoomAbsolute Default false. If true, zoomScale is treated as an absolute value.\n *                                Otherwise, zoomScale is treated as a multiplied (e.g. 1.10 would zoom in 10%)\n */\nSvgPanZoom.prototype.zoomAtPoint = function(zoomScale, point, zoomAbsolute) {\n  var originalState = this.viewport.getOriginalState()\n\n  if (!zoomAbsolute) {\n    // Fit zoomScale in set bounds\n    if (this.getZoom() * zoomScale < this.options.minZoom * originalState.zoom) {\n      zoomScale = (this.options.minZoom * originalState.zoom) / this.getZoom()\n    } else if (this.getZoom() * zoomScale > this.options.maxZoom * originalState.zoom) {\n      zoomScale = (this.options.maxZoom * originalState.zoom) / this.getZoom()\n    }\n  } else {\n    // Fit zoomScale in set bounds\n    zoomScale = Math.max(this.options.minZoom * originalState.zoom, Math.min(this.options.maxZoom * originalState.zoom, zoomScale))\n    // Find relative scale to achieve desired scale\n    zoomScale = zoomScale/this.getZoom()\n  }\n\n  var oldCTM = this.viewport.getCTM()\n    , relativePoint = point.matrixTransform(oldCTM.inverse())\n    , modifier = this.svg.createSVGMatrix().translate(relativePoint.x, relativePoint.y).scale(zoomScale).translate(-relativePoint.x, -relativePoint.y)\n    , newCTM = oldCTM.multiply(modifier)\n\n  if (newCTM.a !== oldCTM.a) {\n    this.viewport.setCTM(newCTM)\n  }\n}\n\n/**\n * Zoom at center point\n *\n * @param  {Float} scale\n * @param  {Boolean} absolute Marks zoom scale as relative or absolute\n */\nSvgPanZoom.prototype.zoom = function(scale, absolute) {\n  this.zoomAtPoint(scale, SvgUtils.getSvgCenterPoint(this.svg, this.width, this.height), absolute)\n}\n\n/**\n * Zoom used by public instance\n *\n * @param  {Float} scale\n * @param  {Boolean} absolute Marks zoom scale as relative or absolute\n */\nSvgPanZoom.prototype.publicZoom = function(scale, absolute) {\n  if (absolute) {\n    scale = this.computeFromRelativeZoom(scale)\n  }\n\n  this.zoom(scale, absolute)\n}\n\n/**\n * Zoom at point used by public instance\n *\n * @param  {Float} scale\n * @param  {SVGPoint|Object} point    An object that has x and y attributes\n * @param  {Boolean} absolute Marks zoom scale as relative or absolute\n */\nSvgPanZoom.prototype.publicZoomAtPoint = function(scale, point, absolute) {\n  if (absolute) {\n    // Transform zoom into a relative value\n    scale = this.computeFromRelativeZoom(scale)\n  }\n\n  // If not a SVGPoint but has x and y then create a SVGPoint\n  if (Utils.getType(point) !== 'SVGPoint') {\n    if('x' in point && 'y' in point) {\n      point = SvgUtils.createSVGPoint(this.svg, point.x, point.y)\n    } else {\n      throw new Error('Given point is invalid')\n    }\n  }\n\n  this.zoomAtPoint(scale, point, absolute)\n}\n\n/**\n * Get zoom scale\n *\n * @return {Float} zoom scale\n */\nSvgPanZoom.prototype.getZoom = function() {\n  return this.viewport.getZoom()\n}\n\n/**\n * Get zoom scale for public usage\n *\n * @return {Float} zoom scale\n */\nSvgPanZoom.prototype.getRelativeZoom = function() {\n  return this.viewport.getRelativeZoom()\n}\n\n/**\n * Compute actual zoom from public zoom\n *\n * @param  {Float} zoom\n * @return {Float} zoom scale\n */\nSvgPanZoom.prototype.computeFromRelativeZoom = function(zoom) {\n  return zoom * this.viewport.getOriginalState().zoom\n}\n\n/**\n * Set zoom to initial state\n */\nSvgPanZoom.prototype.resetZoom = function() {\n  var originalState = this.viewport.getOriginalState()\n\n  this.zoom(originalState.zoom, true);\n}\n\n/**\n * Set pan to initial state\n */\nSvgPanZoom.prototype.resetPan = function() {\n  this.pan(this.viewport.getOriginalState());\n}\n\n/**\n * Set pan and zoom to initial state\n */\nSvgPanZoom.prototype.reset = function() {\n  this.resetZoom()\n  this.resetPan()\n}\n\n/**\n * Handle double click event\n * See handleMouseDown() for alternate detection method\n *\n * @param {Event} evt\n */\nSvgPanZoom.prototype.handleDblClick = function(evt) {\n  if (this.options.preventMouseEventsDefault) {\n    if (evt.preventDefault) {\n      evt.preventDefault()\n    } else {\n      evt.returnValue = false\n    }\n  }\n\n  // Check if target was a control button\n  if (this.options.controlIconsEnabled) {\n    var targetClass = evt.target.getAttribute('class') || ''\n    if (targetClass.indexOf('svg-pan-zoom-control') > -1) {\n      return false\n    }\n  }\n\n  var zoomFactor\n\n  if (evt.shiftKey) {\n    zoomFactor = 1/((1 + this.options.zoomScaleSensitivity) * 2) // zoom out when shift key pressed\n  } else {\n    zoomFactor = (1 + this.options.zoomScaleSensitivity) * 2\n  }\n\n  var point = SvgUtils.getEventPoint(evt, this.svg).matrixTransform(this.svg.getScreenCTM().inverse())\n  this.zoomAtPoint(zoomFactor, point)\n}\n\n/**\n * Handle click event\n *\n * @param {Event} evt\n */\nSvgPanZoom.prototype.handleMouseDown = function(evt, prevEvt) {\n  if (this.options.preventMouseEventsDefault) {\n    if (evt.preventDefault) {\n      evt.preventDefault()\n    } else {\n      evt.returnValue = false\n    }\n  }\n\n  Utils.mouseAndTouchNormalize(evt, this.svg)\n\n  // Double click detection; more consistent than ondblclick\n  if (this.options.dblClickZoomEnabled && Utils.isDblClick(evt, prevEvt)){\n    this.handleDblClick(evt)\n  } else {\n    // Pan mode\n    this.state = 'pan'\n    this.firstEventCTM = this.viewport.getCTM()\n    this.stateOrigin = SvgUtils.getEventPoint(evt, this.svg).matrixTransform(this.firstEventCTM.inverse())\n  }\n}\n\n/**\n * Handle mouse move event\n *\n * @param  {Event} evt\n */\nSvgPanZoom.prototype.handleMouseMove = function(evt) {\n  if (this.options.preventMouseEventsDefault) {\n    if (evt.preventDefault) {\n      evt.preventDefault()\n    } else {\n      evt.returnValue = false\n    }\n  }\n\n  if (this.state === 'pan' && this.options.panEnabled) {\n    // Pan mode\n    var point = SvgUtils.getEventPoint(evt, this.svg).matrixTransform(this.firstEventCTM.inverse())\n      , viewportCTM = this.firstEventCTM.translate(point.x - this.stateOrigin.x, point.y - this.stateOrigin.y)\n\n    this.viewport.setCTM(viewportCTM)\n  }\n}\n\n/**\n * Handle mouse button release event\n *\n * @param {Event} evt\n */\nSvgPanZoom.prototype.handleMouseUp = function(evt) {\n  if (this.options.preventMouseEventsDefault) {\n    if (evt.preventDefault) {\n      evt.preventDefault()\n    } else {\n      evt.returnValue = false\n    }\n  }\n\n  if (this.state === 'pan') {\n    // Quit pan mode\n    this.state = 'none'\n  }\n}\n\n/**\n * Adjust viewport size (only) so it will fit in SVG\n * Does not center image\n */\nSvgPanZoom.prototype.fit = function() {\n  var viewBox = this.viewport.getViewBox()\n    , newScale = Math.min(this.width/viewBox.width, this.height/viewBox.height)\n\n  this.zoom(newScale, true)\n}\n\n/**\n * Adjust viewport size (only) so it will contain the SVG\n * Does not center image\n */\nSvgPanZoom.prototype.contain = function() {\n  var viewBox = this.viewport.getViewBox()\n    , newScale = Math.max(this.width/viewBox.width, this.height/viewBox.height)\n\n  this.zoom(newScale, true)\n}\n\n/**\n * Adjust viewport pan (only) so it will be centered in SVG\n * Does not zoom/fit/contain image\n */\nSvgPanZoom.prototype.center = function() {\n  var viewBox = this.viewport.getViewBox()\n    , offsetX = (this.width - (viewBox.width + viewBox.x * 2) * this.getZoom()) * 0.5\n    , offsetY = (this.height - (viewBox.height + viewBox.y * 2) * this.getZoom()) * 0.5\n\n  this.getPublicInstance().pan({x: offsetX, y: offsetY})\n}\n\n/**\n * Update content cached BorderBox\n * Use when viewport contents change\n */\nSvgPanZoom.prototype.updateBBox = function() {\n  this.viewport.simpleViewBoxCache()\n}\n\n/**\n * Pan to a rendered position\n *\n * @param  {Object} point {x: 0, y: 0}\n */\nSvgPanZoom.prototype.pan = function(point) {\n  var viewportCTM = this.viewport.getCTM()\n  viewportCTM.e = point.x\n  viewportCTM.f = point.y\n  this.viewport.setCTM(viewportCTM)\n}\n\n/**\n * Relatively pan the graph by a specified rendered position vector\n *\n * @param  {Object} point {x: 0, y: 0}\n */\nSvgPanZoom.prototype.panBy = function(point) {\n  var viewportCTM = this.viewport.getCTM()\n  viewportCTM.e += point.x\n  viewportCTM.f += point.y\n  this.viewport.setCTM(viewportCTM)\n}\n\n/**\n * Get pan vector\n *\n * @return {Object} {x: 0, y: 0}\n */\nSvgPanZoom.prototype.getPan = function() {\n  var state = this.viewport.getState()\n\n  return {x: state.x, y: state.y}\n}\n\n/**\n * Recalculates cached svg dimensions and controls position\n */\nSvgPanZoom.prototype.resize = function() {\n  // Get dimensions\n  var boundingClientRectNormalized = SvgUtils.getBoundingClientRectNormalized(this.svg)\n  this.width = boundingClientRectNormalized.width\n  this.height = boundingClientRectNormalized.height\n\n  // Recalculate original state\n  var viewport = this.viewport\n  viewport.options.width = this.width\n  viewport.options.height = this.height\n  viewport.processCTM()\n\n  // Reposition control icons by re-enabling them\n  if (this.options.controlIconsEnabled) {\n    this.getPublicInstance().disableControlIcons()\n    this.getPublicInstance().enableControlIcons()\n  }\n}\n\n/**\n * Unbind mouse events, free callbacks and destroy public instance\n */\nSvgPanZoom.prototype.destroy = function() {\n  var that = this\n\n  // Free callbacks\n  this.beforeZoom = null\n  this.onZoom = null\n  this.beforePan = null\n  this.onPan = null\n  this.onUpdatedCTM = null\n\n  // Destroy custom event handlers\n  if (this.options.customEventsHandler != null) { // jshint ignore:line\n    this.options.customEventsHandler.destroy({\n      svgElement: this.svg\n    , eventsListenerElement: this.options.eventsListenerElement\n    , instance: this.getPublicInstance()\n    })\n  }\n\n  // Unbind eventListeners\n  for (var event in this.eventListeners) {\n    (this.options.eventsListenerElement || this.svg)\n      .removeEventListener(event, this.eventListeners[event], !this.options.preventMouseEventsDefault ? passiveListenerOption : false)\n  }\n\n  // Unbind wheelListener\n  this.disableMouseWheelZoom()\n\n  // Remove control icons\n  this.getPublicInstance().disableControlIcons()\n\n  // Reset zoom and pan\n  this.reset()\n\n  // Remove instance from instancesStore\n  instancesStore = instancesStore.filter(function(instance){\n    return instance.svg !== that.svg\n  })\n\n  // Delete options and its contents\n  delete this.options\n\n  // Delete viewport to make public shadow viewport functions uncallable\n  delete this.viewport\n\n  // Destroy public instance and rewrite getPublicInstance\n  delete this.publicInstance\n  delete this.pi\n  this.getPublicInstance = function(){\n    return null\n  }\n}\n\n/**\n * Returns a public instance object\n *\n * @return {Object} Public instance object\n */\nSvgPanZoom.prototype.getPublicInstance = function() {\n  var that = this\n\n  // Create cache\n  if (!this.publicInstance) {\n    this.publicInstance = this.pi = {\n      // Pan\n      enablePan: function() {that.options.panEnabled = true; return that.pi}\n    , disablePan: function() {that.options.panEnabled = false; return that.pi}\n    , isPanEnabled: function() {return !!that.options.panEnabled}\n    , pan: function(point) {that.pan(point); return that.pi}\n    , panBy: function(point) {that.panBy(point); return that.pi}\n    , getPan: function() {return that.getPan()}\n      // Pan event\n    , setBeforePan: function(fn) {that.options.beforePan = fn === null ? null : Utils.proxy(fn, that.publicInstance); return that.pi}\n    , setOnPan: function(fn) {that.options.onPan = fn === null ? null : Utils.proxy(fn, that.publicInstance); return that.pi}\n      // Zoom and Control Icons\n    , enableZoom: function() {that.options.zoomEnabled = true; return that.pi}\n    , disableZoom: function() {that.options.zoomEnabled = false; return that.pi}\n    , isZoomEnabled: function() {return !!that.options.zoomEnabled}\n    , enableControlIcons: function() {\n        if (!that.options.controlIconsEnabled) {\n          that.options.controlIconsEnabled = true\n          ControlIcons.enable(that)\n        }\n        return that.pi\n      }\n    , disableControlIcons: function() {\n        if (that.options.controlIconsEnabled) {\n          that.options.controlIconsEnabled = false;\n          ControlIcons.disable(that)\n        }\n        return that.pi\n      }\n    , isControlIconsEnabled: function() {return !!that.options.controlIconsEnabled}\n      // Double click zoom\n    , enableDblClickZoom: function() {that.options.dblClickZoomEnabled = true; return that.pi}\n    , disableDblClickZoom: function() {that.options.dblClickZoomEnabled = false; return that.pi}\n    , isDblClickZoomEnabled: function() {return !!that.options.dblClickZoomEnabled}\n      // Mouse wheel zoom\n    , enableMouseWheelZoom: function() {that.enableMouseWheelZoom(); return that.pi}\n    , disableMouseWheelZoom: function() {that.disableMouseWheelZoom(); return that.pi}\n    , isMouseWheelZoomEnabled: function() {return !!that.options.mouseWheelZoomEnabled}\n      // Zoom scale and bounds\n    , setZoomScaleSensitivity: function(scale) {that.options.zoomScaleSensitivity = scale; return that.pi}\n    , setMinZoom: function(zoom) {that.options.minZoom = zoom; return that.pi}\n    , setMaxZoom: function(zoom) {that.options.maxZoom = zoom; return that.pi}\n      // Zoom event\n    , setBeforeZoom: function(fn) {that.options.beforeZoom = fn === null ? null : Utils.proxy(fn, that.publicInstance); return that.pi}\n    , setOnZoom: function(fn) {that.options.onZoom = fn === null ? null : Utils.proxy(fn, that.publicInstance); return that.pi}\n      // Zooming\n    , zoom: function(scale) {that.publicZoom(scale, true); return that.pi}\n    , zoomBy: function(scale) {that.publicZoom(scale, false); return that.pi}\n    , zoomAtPoint: function(scale, point) {that.publicZoomAtPoint(scale, point, true); return that.pi}\n    , zoomAtPointBy: function(scale, point) {that.publicZoomAtPoint(scale, point, false); return that.pi}\n    , zoomIn: function() {this.zoomBy(1 + that.options.zoomScaleSensitivity); return that.pi}\n    , zoomOut: function() {this.zoomBy(1 / (1 + that.options.zoomScaleSensitivity)); return that.pi}\n    , getZoom: function() {return that.getRelativeZoom()}\n      // CTM update\n    , setOnUpdatedCTM: function(fn) {that.options.onUpdatedCTM = fn === null ? null : Utils.proxy(fn, that.publicInstance); return that.pi}\n      // Reset\n    , resetZoom: function() {that.resetZoom(); return that.pi}\n    , resetPan: function() {that.resetPan(); return that.pi}\n    , reset: function() {that.reset(); return that.pi}\n      // Fit, Contain and Center\n    , fit: function() {that.fit(); return that.pi}\n    , contain: function() {that.contain(); return that.pi}\n    , center: function() {that.center(); return that.pi}\n      // Size and Resize\n    , updateBBox: function() {that.updateBBox(); return that.pi}\n    , resize: function() {that.resize(); return that.pi}\n    , getSizes: function() {\n        return {\n          width: that.width\n        , height: that.height\n        , realZoom: that.getZoom()\n        , viewBox: that.viewport.getViewBox()\n        }\n      }\n      // Destroy\n    , destroy: function() {that.destroy(); return that.pi}\n    }\n  }\n\n  return this.publicInstance\n}\n\n/**\n * Stores pairs of instances of SvgPanZoom and SVG\n * Each pair is represented by an object {svg: SVGSVGElement, instance: SvgPanZoom}\n *\n * @type {Array}\n */\nvar instancesStore = []\n\nvar svgPanZoom = function(elementOrSelector, options){\n  var svg = Utils.getSvg(elementOrSelector)\n\n  if (svg === null) {\n    return null\n  } else {\n    // Look for existent instance\n    for(var i = instancesStore.length - 1; i >= 0; i--) {\n      if (instancesStore[i].svg === svg) {\n        return instancesStore[i].instance.getPublicInstance()\n      }\n    }\n\n    // If instance not found - create one\n    instancesStore.push({\n      svg: svg\n    , instance: new SvgPanZoom(svg, options)\n    })\n\n    // Return just pushed instance\n    return instancesStore[instancesStore.length - 1].instance.getPublicInstance()\n  }\n}\n\nmodule.exports = svgPanZoom;\n","var Utils = require('./utilities')\n  , _browser = 'unknown'\n  ;\n\n// http://stackoverflow.com/questions/9847580/how-to-detect-safari-chrome-ie-firefox-and-opera-browser\nif (/*@cc_on!@*/false || !!document.documentMode) { // internet explorer\n  _browser = 'ie';\n}\n\nmodule.exports = {\n  svgNS:  'http://www.w3.org/2000/svg'\n, xmlNS:  'http://www.w3.org/XML/1998/namespace'\n, xmlnsNS:  'http://www.w3.org/2000/xmlns/'\n, xlinkNS:  'http://www.w3.org/1999/xlink'\n, evNS:  'http://www.w3.org/2001/xml-events'\n\n  /**\n   * Get svg dimensions: width and height\n   *\n   * @param  {SVGSVGElement} svg\n   * @return {Object}     {width: 0, height: 0}\n   */\n, getBoundingClientRectNormalized: function(svg) {\n    if (svg.clientWidth && svg.clientHeight) {\n      return {width: svg.clientWidth, height: svg.clientHeight}\n    } else if (!!svg.getBoundingClientRect()) {\n      return svg.getBoundingClientRect();\n    } else {\n      throw new Error('Cannot get BoundingClientRect for SVG.');\n    }\n  }\n\n  /**\n   * Gets g element with class of \"viewport\" or creates it if it doesn't exist\n   *\n   * @param  {SVGSVGElement} svg\n   * @return {SVGElement}     g (group) element\n   */\n, getOrCreateViewport: function(svg, selector) {\n    var viewport = null\n\n    if (Utils.isElement(selector)) {\n      viewport = selector\n    } else {\n      viewport = svg.querySelector(selector)\n    }\n\n    // Check if there is just one main group in SVG\n    if (!viewport) {\n      var childNodes = Array.prototype.slice.call(svg.childNodes || svg.children).filter(function(el){\n        return el.nodeName !== 'defs' && el.nodeName !== '#text'\n      })\n\n      // Node name should be SVGGElement and should have no transform attribute\n      // Groups with transform are not used as viewport because it involves parsing of all transform possibilities\n      if (childNodes.length === 1 && childNodes[0].nodeName === 'g' && childNodes[0].getAttribute('transform') === null) {\n        viewport = childNodes[0]\n      }\n    }\n\n    // If no favorable group element exists then create one\n    if (!viewport) {\n      var viewportId = 'viewport-' + new Date().toISOString().replace(/\\D/g, '');\n      viewport = document.createElementNS(this.svgNS, 'g');\n      viewport.setAttribute('id', viewportId);\n\n      // Internet Explorer (all versions?) can't use childNodes, but other browsers prefer (require?) using childNodes\n      var svgChildren = svg.childNodes || svg.children;\n      if (!!svgChildren && svgChildren.length > 0) {\n        for (var i = svgChildren.length; i > 0; i--) {\n          // Move everything into viewport except defs\n          if (svgChildren[svgChildren.length - i].nodeName !== 'defs') {\n            viewport.appendChild(svgChildren[svgChildren.length - i]);\n          }\n        }\n      }\n      svg.appendChild(viewport);\n    }\n\n    // Parse class names\n    var classNames = [];\n    if (viewport.getAttribute('class')) {\n      classNames = viewport.getAttribute('class').split(' ')\n    }\n\n    // Set class (if not set already)\n    if (!~classNames.indexOf('svg-pan-zoom_viewport')) {\n      classNames.push('svg-pan-zoom_viewport')\n      viewport.setAttribute('class', classNames.join(' '))\n    }\n\n    return viewport\n  }\n\n  /**\n   * Set SVG attributes\n   *\n   * @param  {SVGSVGElement} svg\n   */\n  , setupSvgAttributes: function(svg) {\n    // Setting default attributes\n    svg.setAttribute('xmlns', this.svgNS);\n    svg.setAttributeNS(this.xmlnsNS, 'xmlns:xlink', this.xlinkNS);\n    svg.setAttributeNS(this.xmlnsNS, 'xmlns:ev', this.evNS);\n\n    // Needed for Internet Explorer, otherwise the viewport overflows\n    if (svg.parentNode !== null) {\n      var style = svg.getAttribute('style') || '';\n      if (style.toLowerCase().indexOf('overflow') === -1) {\n        svg.setAttribute('style', 'overflow: hidden; ' + style);\n      }\n    }\n  }\n\n/**\n * How long Internet Explorer takes to finish updating its display (ms).\n */\n, internetExplorerRedisplayInterval: 300\n\n/**\n * Forces the browser to redisplay all SVG elements that rely on an\n * element defined in a 'defs' section. It works globally, for every\n * available defs element on the page.\n * The throttling is intentionally global.\n *\n * This is only needed for IE. It is as a hack to make markers (and 'use' elements?)\n * visible after pan/zoom when there are multiple SVGs on the page.\n * See bug report: https://connect.microsoft.com/IE/feedback/details/781964/\n * also see svg-pan-zoom issue: https://github.com/ariutta/svg-pan-zoom/issues/62\n */\n, refreshDefsGlobal: Utils.throttle(function() {\n    var allDefs = document.querySelectorAll('defs');\n    var allDefsCount = allDefs.length;\n    for (var i = 0; i < allDefsCount; i++) {\n      var thisDefs = allDefs[i];\n      thisDefs.parentNode.insertBefore(thisDefs, thisDefs);\n    }\n  }, this ? this.internetExplorerRedisplayInterval : null)\n\n  /**\n   * Sets the current transform matrix of an element\n   *\n   * @param {SVGElement} element\n   * @param {SVGMatrix} matrix  CTM\n   * @param {SVGElement} defs\n   */\n, setCTM: function(element, matrix, defs) {\n    var that = this\n      , s = 'matrix(' + matrix.a + ',' + matrix.b + ',' + matrix.c + ',' + matrix.d + ',' + matrix.e + ',' + matrix.f + ')';\n\n    element.setAttributeNS(null, 'transform', s);\n    if ('transform' in element.style) {\n      element.style.transform = s;\n    } else if ('-ms-transform' in element.style) {\n      element.style['-ms-transform'] = s;\n    } else if ('-webkit-transform' in element.style) {\n      element.style['-webkit-transform'] = s;\n    }\n\n    // IE has a bug that makes markers disappear on zoom (when the matrix \"a\" and/or \"d\" elements change)\n    // see http://stackoverflow.com/questions/17654578/svg-marker-does-not-work-in-ie9-10\n    // and http://srndolha.wordpress.com/2013/11/25/svg-line-markers-may-disappear-in-internet-explorer-11/\n    if (_browser === 'ie' && !!defs) {\n      // this refresh is intended for redisplaying the SVG during zooming\n      defs.parentNode.insertBefore(defs, defs);\n      // this refresh is intended for redisplaying the other SVGs on a page when panning a given SVG\n      // it is also needed for the given SVG itself, on zoomEnd, if the SVG contains any markers that\n      // are located under any other element(s).\n      window.setTimeout(function() {\n        that.refreshDefsGlobal();\n      }, that.internetExplorerRedisplayInterval);\n    }\n  }\n\n  /**\n   * Instantiate an SVGPoint object with given event coordinates\n   *\n   * @param {Event} evt\n   * @param  {SVGSVGElement} svg\n   * @return {SVGPoint}     point\n   */\n, getEventPoint: function(evt, svg) {\n    var point = svg.createSVGPoint()\n\n    Utils.mouseAndTouchNormalize(evt, svg)\n\n    point.x = evt.clientX\n    point.y = evt.clientY\n\n    return point\n  }\n\n  /**\n   * Get SVG center point\n   *\n   * @param  {SVGSVGElement} svg\n   * @return {SVGPoint}\n   */\n, getSvgCenterPoint: function(svg, width, height) {\n    return this.createSVGPoint(svg, width / 2, height / 2)\n  }\n\n  /**\n   * Create a SVGPoint with given x and y\n   *\n   * @param  {SVGSVGElement} svg\n   * @param  {Number} x\n   * @param  {Number} y\n   * @return {SVGPoint}\n   */\n, createSVGPoint: function(svg, x, y) {\n    var point = svg.createSVGPoint()\n    point.x = x\n    point.y = y\n\n    return point\n  }\n}\n","// uniwheel 0.1.2 (customized)\n// A unified cross browser mouse wheel event handler\n// https://github.com/teemualap/uniwheel\n\nmodule.exports = (function(){\n\n  //Full details: https://developer.mozilla.org/en-US/docs/Web/Reference/Events/wheel\n\n  var prefix = \"\", _addEventListener, _removeEventListener, support, fns = [];\n  var passiveOption = {passive: true};\n\n  // detect event model\n  if ( window.addEventListener ) {\n    _addEventListener = \"addEventListener\";\n    _removeEventListener = \"removeEventListener\";\n  } else {\n    _addEventListener = \"attachEvent\";\n    _removeEventListener = \"detachEvent\";\n    prefix = \"on\";\n  }\n\n  // detect available wheel event\n  support = \"onwheel\" in document.createElement(\"div\") ? \"wheel\" : // Modern browsers support \"wheel\"\n            document.onmousewheel !== undefined ? \"mousewheel\" : // Webkit and IE support at least \"mousewheel\"\n            \"DOMMouseScroll\"; // let's assume that remaining browsers are older Firefox\n\n\n  function createCallback(element,callback) {\n\n    var fn = function(originalEvent) {\n\n      !originalEvent && ( originalEvent = window.event );\n\n      // create a normalized event object\n      var event = {\n        // keep a ref to the original event object\n        originalEvent: originalEvent,\n        target: originalEvent.target || originalEvent.srcElement,\n        type: \"wheel\",\n        deltaMode: originalEvent.type == \"MozMousePixelScroll\" ? 0 : 1,\n        deltaX: 0,\n        delatZ: 0,\n        preventDefault: function() {\n          originalEvent.preventDefault ?\n            originalEvent.preventDefault() :\n            originalEvent.returnValue = false;\n        }\n      };\n\n      // calculate deltaY (and deltaX) according to the event\n      if ( support == \"mousewheel\" ) {\n        event.deltaY = - 1/40 * originalEvent.wheelDelta;\n        // Webkit also support wheelDeltaX\n        originalEvent.wheelDeltaX && ( event.deltaX = - 1/40 * originalEvent.wheelDeltaX );\n      } else {\n        event.deltaY = originalEvent.detail;\n      }\n\n      // it's time to fire the callback\n      return callback( event );\n\n    };\n\n    fns.push({\n      element: element,\n      fn: fn,\n    });\n\n    return fn;\n  }\n\n  function getCallback(element) {\n    for (var i = 0; i < fns.length; i++) {\n      if (fns[i].element === element) {\n        return fns[i].fn;\n      }\n    }\n    return function(){};\n  }\n\n  function removeCallback(element) {\n    for (var i = 0; i < fns.length; i++) {\n      if (fns[i].element === element) {\n        return fns.splice(i,1);\n      }\n    }\n  }\n\n  function _addWheelListener(elem, eventName, callback, isPassiveListener ) {\n    var cb;\n\n    if (support === \"wheel\") {\n      cb = callback;\n    } else {\n      cb = createCallback(elem, callback);\n    }\n\n    elem[_addEventListener](prefix + eventName, cb, isPassiveListener ? passiveOption : false);\n  }\n\n  function _removeWheelListener(elem, eventName, callback, isPassiveListener ) {\n\n    var cb;\n\n    if (support === \"wheel\") {\n      cb = callback;\n    } else {\n      cb = getCallback(elem);\n    }\n\n    elem[_removeEventListener](prefix + eventName, cb, isPassiveListener ? passiveOption : false);\n\n    removeCallback(elem);\n  }\n\n  function addWheelListener( elem, callback, isPassiveListener ) {\n    _addWheelListener(elem, support, callback, isPassiveListener );\n\n    // handle MozMousePixelScroll in older Firefox\n    if( support == \"DOMMouseScroll\" ) {\n      _addWheelListener(elem, \"MozMousePixelScroll\", callback, isPassiveListener );\n    }\n  }\n\n  function removeWheelListener(elem, callback, isPassiveListener){\n    _removeWheelListener(elem, support, callback, isPassiveListener);\n\n    // handle MozMousePixelScroll in older Firefox\n    if( support == \"DOMMouseScroll\" ) {\n      _removeWheelListener(elem, \"MozMousePixelScroll\", callback, isPassiveListener);\n    }\n  }\n\n  return {\n    on: addWheelListener,\n    off: removeWheelListener\n  };\n\n})();\n","module.exports = {\n  /**\n   * Extends an object\n   *\n   * @param  {Object} target object to extend\n   * @param  {Object} source object to take properties from\n   * @return {Object}        extended object\n   */\n  extend: function(target, source) {\n    target = target || {};\n    for (var prop in source) {\n      // Go recursively\n      if (this.isObject(source[prop])) {\n        target[prop] = this.extend(target[prop], source[prop])\n      } else {\n        target[prop] = source[prop]\n      }\n    }\n    return target;\n  }\n\n  /**\n   * Checks if an object is a DOM element\n   *\n   * @param  {Object}  o HTML element or String\n   * @return {Boolean}   returns true if object is a DOM element\n   */\n, isElement: function(o){\n    return (\n      o instanceof HTMLElement || o instanceof SVGElement || o instanceof SVGSVGElement || //DOM2\n      (o && typeof o === 'object' && o !== null && o.nodeType === 1 && typeof o.nodeName === 'string')\n    );\n  }\n\n  /**\n   * Checks if an object is an Object\n   *\n   * @param  {Object}  o Object\n   * @return {Boolean}   returns true if object is an Object\n   */\n, isObject: function(o){\n    return Object.prototype.toString.call(o) === '[object Object]';\n  }\n\n  /**\n   * Checks if variable is Number\n   *\n   * @param  {Integer|Float}  n\n   * @return {Boolean}   returns true if variable is Number\n   */\n, isNumber: function(n) {\n    return !isNaN(parseFloat(n)) && isFinite(n);\n  }\n\n  /**\n   * Search for an SVG element\n   *\n   * @param  {Object|String} elementOrSelector DOM Element or selector String\n   * @return {Object|Null}                   SVG or null\n   */\n, getSvg: function(elementOrSelector) {\n    var element\n      , svg;\n\n    if (!this.isElement(elementOrSelector)) {\n      // If selector provided\n      if (typeof elementOrSelector === 'string' || elementOrSelector instanceof String) {\n        // Try to find the element\n        element = document.querySelector(elementOrSelector)\n\n        if (!element) {\n          throw new Error('Provided selector did not find any elements. Selector: ' + elementOrSelector)\n          return null\n        }\n      } else {\n        throw new Error('Provided selector is not an HTML object nor String')\n        return null\n      }\n    } else {\n      element = elementOrSelector\n    }\n\n    if (element.tagName.toLowerCase() === 'svg') {\n      svg = element;\n    } else {\n      if (element.tagName.toLowerCase() === 'object') {\n        svg = element.contentDocument.documentElement;\n      } else {\n        if (element.tagName.toLowerCase() === 'embed') {\n          svg = element.getSVGDocument().documentElement;\n        } else {\n          if (element.tagName.toLowerCase() === 'img') {\n            throw new Error('Cannot script an SVG in an \"img\" element. Please use an \"object\" element or an in-line SVG.');\n          } else {\n            throw new Error('Cannot get SVG.');\n          }\n          return null\n        }\n      }\n    }\n\n    return svg\n  }\n\n  /**\n   * Attach a given context to a function\n   * @param  {Function} fn      Function\n   * @param  {Object}   context Context\n   * @return {Function}           Function with certain context\n   */\n, proxy: function(fn, context) {\n    return function() {\n      return fn.apply(context, arguments)\n    }\n  }\n\n  /**\n   * Returns object type\n   * Uses toString that returns [object SVGPoint]\n   * And than parses object type from string\n   *\n   * @param  {Object} o Any object\n   * @return {String}   Object type\n   */\n, getType: function(o) {\n    return Object.prototype.toString.apply(o).replace(/^\\[object\\s/, '').replace(/\\]$/, '')\n  }\n\n  /**\n   * If it is a touch event than add clientX and clientY to event object\n   *\n   * @param  {Event} evt\n   * @param  {SVGSVGElement} svg\n   */\n, mouseAndTouchNormalize: function(evt, svg) {\n    // If no clientX then fallback\n    if (evt.clientX === void 0 || evt.clientX === null) {\n      // Fallback\n      evt.clientX = 0\n      evt.clientY = 0\n\n      // If it is a touch event\n      if (evt.touches !== void 0 && evt.touches.length) {\n        if (evt.touches[0].clientX !== void 0) {\n          evt.clientX = evt.touches[0].clientX\n          evt.clientY = evt.touches[0].clientY\n        } else if (evt.touches[0].pageX !== void 0) {\n          var rect = svg.getBoundingClientRect();\n\n          evt.clientX = evt.touches[0].pageX - rect.left\n          evt.clientY = evt.touches[0].pageY - rect.top\n        }\n      // If it is a custom event\n      } else if (evt.originalEvent !== void 0) {\n        if (evt.originalEvent.clientX !== void 0) {\n          evt.clientX = evt.originalEvent.clientX\n          evt.clientY = evt.originalEvent.clientY\n        }\n      }\n    }\n  }\n\n  /**\n   * Check if an event is a double click/tap\n   * TODO: For touch gestures use a library (hammer.js) that takes in account other events\n   * (touchmove and touchend). It should take in account tap duration and traveled distance\n   *\n   * @param  {Event}  evt\n   * @param  {Event}  prevEvt Previous Event\n   * @return {Boolean}\n   */\n, isDblClick: function(evt, prevEvt) {\n    // Double click detected by browser\n    if (evt.detail === 2) {\n      return true;\n    }\n    // Try to compare events\n    else if (prevEvt !== void 0 && prevEvt !== null) {\n      var timeStampDiff = evt.timeStamp - prevEvt.timeStamp // should be lower than 250 ms\n        , touchesDistance = Math.sqrt(Math.pow(evt.clientX - prevEvt.clientX, 2) + Math.pow(evt.clientY - prevEvt.clientY, 2))\n\n      return timeStampDiff < 250 && touchesDistance < 10\n    }\n\n    // Nothing found\n    return false;\n  }\n\n  /**\n   * Returns current timestamp as an integer\n   *\n   * @return {Number}\n   */\n, now: Date.now || function() {\n    return new Date().getTime();\n  }\n\n  // From underscore.\n  // Returns a function, that, when invoked, will only be triggered at most once\n  // during a given window of time. Normally, the throttled function will run\n  // as much as it can, without ever going more than once per `wait` duration;\n  // but if you'd like to disable the execution on the leading edge, pass\n  // `{leading: false}`. To disable execution on the trailing edge, ditto.\n// jscs:disable\n// jshint ignore:start\n, throttle: function(func, wait, options) {\n    var that = this;\n    var context, args, result;\n    var timeout = null;\n    var previous = 0;\n    if (!options) options = {};\n    var later = function() {\n      previous = options.leading === false ? 0 : that.now();\n      timeout = null;\n      result = func.apply(context, args);\n      if (!timeout) context = args = null;\n    };\n    return function() {\n      var now = that.now();\n      if (!previous && options.leading === false) previous = now;\n      var remaining = wait - (now - previous);\n      context = this;\n      args = arguments;\n      if (remaining <= 0 || remaining > wait) {\n        clearTimeout(timeout);\n        timeout = null;\n        previous = now;\n        result = func.apply(context, args);\n        if (!timeout) context = args = null;\n      } else if (!timeout && options.trailing !== false) {\n        timeout = setTimeout(later, remaining);\n      }\n      return result;\n    };\n  }\n// jshint ignore:end\n// jscs:enable\n\n  /**\n   * Create a requestAnimationFrame simulation\n   *\n   * @param  {Number|String} refreshRate\n   * @return {Function}\n   */\n, createRequestAnimationFrame: function(refreshRate) {\n    var timeout = null\n\n    // Convert refreshRate to timeout\n    if (refreshRate !== 'auto' && refreshRate < 60 && refreshRate > 1) {\n      timeout = Math.floor(1000 / refreshRate)\n    }\n\n    if (timeout === null) {\n      return window.requestAnimationFrame || requestTimeout(33)\n    } else {\n      return requestTimeout(timeout)\n    }\n  }\n}\n\n/**\n * Create a callback that will execute after a given timeout\n *\n * @param  {Function} timeout\n * @return {Function}\n */\nfunction requestTimeout(timeout) {\n  return function(callback) {\n    window.setTimeout(callback, timeout)\n  }\n}\n","var scope = (typeof global !== \"undefined\" && global) ||\n            (typeof self !== \"undefined\" && self) ||\n            window;\nvar apply = Function.prototype.apply;\n\n// DOM APIs, for completeness\n\nexports.setTimeout = function() {\n  return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);\n};\nexports.setInterval = function() {\n  return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);\n};\nexports.clearTimeout =\nexports.clearInterval = function(timeout) {\n  if (timeout) {\n    timeout.close();\n  }\n};\n\nfunction Timeout(id, clearFn) {\n  this._id = id;\n  this._clearFn = clearFn;\n}\nTimeout.prototype.unref = Timeout.prototype.ref = function() {};\nTimeout.prototype.close = function() {\n  this._clearFn.call(scope, this._id);\n};\n\n// Does not start the time, just sets up the members needed.\nexports.enroll = function(item, msecs) {\n  clearTimeout(item._idleTimeoutId);\n  item._idleTimeout = msecs;\n};\n\nexports.unenroll = function(item) {\n  clearTimeout(item._idleTimeoutId);\n  item._idleTimeout = -1;\n};\n\nexports._unrefActive = exports.active = function(item) {\n  clearTimeout(item._idleTimeoutId);\n\n  var msecs = item._idleTimeout;\n  if (msecs >= 0) {\n    item._idleTimeoutId = setTimeout(function onTimeout() {\n      if (item._onTimeout)\n        item._onTimeout();\n    }, msecs);\n  }\n};\n\n// setimmediate attaches itself to the global object\nrequire(\"setimmediate\");\n// On some exotic environments, it's not clear which object `setimmediate` was\n// able to install onto.  Search each possibility in the same order as the\n// `setimmediate` library.\nexports.setImmediate = (typeof self !== \"undefined\" && self.setImmediate) ||\n                       (typeof global !== \"undefined\" && global.setImmediate) ||\n                       (this && this.setImmediate);\nexports.clearImmediate = (typeof self !== \"undefined\" && self.clearImmediate) ||\n                         (typeof global !== \"undefined\" && global.clearImmediate) ||\n                         (this && this.clearImmediate);\n","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"61cbfc00\", content, false, {\"sourceMap\":true});\n// Hot Module Replacement\nif(module.hot) {\n // When the styles change, update the <style> tags\n if(!content.locals) {\n   module.hot.accept(\"!!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\", function() {\n     var newContent = require(\"!!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\");\n     if(typeof newContent === 'string') newContent = [[module.id, newContent, '']];\n     update(newContent);\n   });\n }\n // When the module is disposed, remove the <style> tags\n module.hot.dispose(function() { update(); });\n}","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\");\nif(typeof content === 'string') content = [[module.id, content, '']];\nif(content.locals) module.exports = content.locals;\n// add the styles to the DOM\nvar add = require(\"!../node_modules/vue-style-loader/lib/addStylesClient.js\").default\nvar update = add(\"0293d2b8\", content, false, {\"sourceMap\":true});\n// Hot Module Replacement\nif(module.hot) {\n // When the styles change, update the <style> tags\n if(!content.locals) {\n   module.hot.accept(\"!!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\", function() {\n     var newContent = require(\"!!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\");\n     if(typeof newContent === 'string') newContent = [[module.id, newContent, '']];\n     update(newContent);\n   });\n }\n // When the module is disposed, remove the <style> tags\n module.hot.dispose(function() { update(); });\n}","/*\n  MIT License http://www.opensource.org/licenses/mit-license.php\n  Author Tobias Koppers @sokra\n  Modified by Evan You @yyx990803\n*/\n\nimport listToStyles from './listToStyles'\n\nvar hasDocument = typeof document !== 'undefined'\n\nif (typeof DEBUG !== 'undefined' && DEBUG) {\n  if (!hasDocument) {\n    throw new Error(\n    'vue-style-loader cannot be used in a non-browser environment. ' +\n    \"Use { target: 'node' } in your Webpack config to indicate a server-rendering environment.\"\n  ) }\n}\n\n/*\ntype StyleObject = {\n  id: number;\n  parts: Array<StyleObjectPart>\n}\n\ntype StyleObjectPart = {\n  css: string;\n  media: string;\n  sourceMap: ?string\n}\n*/\n\nvar stylesInDom = {/*\n  [id: number]: {\n    id: number,\n    refs: number,\n    parts: Array<(obj?: StyleObjectPart) => void>\n  }\n*/}\n\nvar head = hasDocument && (document.head || document.getElementsByTagName('head')[0])\nvar singletonElement = null\nvar singletonCounter = 0\nvar isProduction = false\nvar noop = function () {}\nvar options = null\nvar ssrIdKey = 'data-vue-ssr-id'\n\n// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n// tags it will allow on a page\nvar isOldIE = typeof navigator !== 'undefined' && /msie [6-9]\\b/.test(navigator.userAgent.toLowerCase())\n\nexport default function addStylesClient (parentId, list, _isProduction, _options) {\n  isProduction = _isProduction\n\n  options = _options || {}\n\n  var styles = listToStyles(parentId, list)\n  addStylesToDom(styles)\n\n  return function update (newList) {\n    var mayRemove = []\n    for (var i = 0; i < styles.length; i++) {\n      var item = styles[i]\n      var domStyle = stylesInDom[item.id]\n      domStyle.refs--\n      mayRemove.push(domStyle)\n    }\n    if (newList) {\n      styles = listToStyles(parentId, newList)\n      addStylesToDom(styles)\n    } else {\n      styles = []\n    }\n    for (var i = 0; i < mayRemove.length; i++) {\n      var domStyle = mayRemove[i]\n      if (domStyle.refs === 0) {\n        for (var j = 0; j < domStyle.parts.length; j++) {\n          domStyle.parts[j]()\n        }\n        delete stylesInDom[domStyle.id]\n      }\n    }\n  }\n}\n\nfunction addStylesToDom (styles /* Array<StyleObject> */) {\n  for (var i = 0; i < styles.length; i++) {\n    var item = styles[i]\n    var domStyle = stylesInDom[item.id]\n    if (domStyle) {\n      domStyle.refs++\n      for (var j = 0; j < domStyle.parts.length; j++) {\n        domStyle.parts[j](item.parts[j])\n      }\n      for (; j < item.parts.length; j++) {\n        domStyle.parts.push(addStyle(item.parts[j]))\n      }\n      if (domStyle.parts.length > item.parts.length) {\n        domStyle.parts.length = item.parts.length\n      }\n    } else {\n      var parts = []\n      for (var j = 0; j < item.parts.length; j++) {\n        parts.push(addStyle(item.parts[j]))\n      }\n      stylesInDom[item.id] = { id: item.id, refs: 1, parts: parts }\n    }\n  }\n}\n\nfunction createStyleElement () {\n  var styleElement = document.createElement('style')\n  styleElement.type = 'text/css'\n  head.appendChild(styleElement)\n  return styleElement\n}\n\nfunction addStyle (obj /* StyleObjectPart */) {\n  var update, remove\n  var styleElement = document.querySelector('style[' + ssrIdKey + '~=\"' + obj.id + '\"]')\n\n  if (styleElement) {\n    if (isProduction) {\n      // has SSR styles and in production mode.\n      // simply do nothing.\n      return noop\n    } else {\n      // has SSR styles but in dev mode.\n      // for some reason Chrome can't handle source map in server-rendered\n      // style tags - source maps in <style> only works if the style tag is\n      // created and inserted dynamically. So we remove the server rendered\n      // styles and inject new ones.\n      styleElement.parentNode.removeChild(styleElement)\n    }\n  }\n\n  if (isOldIE) {\n    // use singleton mode for IE9.\n    var styleIndex = singletonCounter++\n    styleElement = singletonElement || (singletonElement = createStyleElement())\n    update = applyToSingletonTag.bind(null, styleElement, styleIndex, false)\n    remove = applyToSingletonTag.bind(null, styleElement, styleIndex, true)\n  } else {\n    // use multi-style-tag mode in all other cases\n    styleElement = createStyleElement()\n    update = applyToTag.bind(null, styleElement)\n    remove = function () {\n      styleElement.parentNode.removeChild(styleElement)\n    }\n  }\n\n  update(obj)\n\n  return function updateStyle (newObj /* StyleObjectPart */) {\n    if (newObj) {\n      if (newObj.css === obj.css &&\n          newObj.media === obj.media &&\n          newObj.sourceMap === obj.sourceMap) {\n        return\n      }\n      update(obj = newObj)\n    } else {\n      remove()\n    }\n  }\n}\n\nvar replaceText = (function () {\n  var textStore = []\n\n  return function (index, replacement) {\n    textStore[index] = replacement\n    return textStore.filter(Boolean).join('\\n')\n  }\n})()\n\nfunction applyToSingletonTag (styleElement, index, remove, obj) {\n  var css = remove ? '' : obj.css\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = replaceText(index, css)\n  } else {\n    var cssNode = document.createTextNode(css)\n    var childNodes = styleElement.childNodes\n    if (childNodes[index]) styleElement.removeChild(childNodes[index])\n    if (childNodes.length) {\n      styleElement.insertBefore(cssNode, childNodes[index])\n    } else {\n      styleElement.appendChild(cssNode)\n    }\n  }\n}\n\nfunction applyToTag (styleElement, obj) {\n  var css = obj.css\n  var media = obj.media\n  var sourceMap = obj.sourceMap\n\n  if (media) {\n    styleElement.setAttribute('media', media)\n  }\n  if (options.ssrId) {\n    styleElement.setAttribute(ssrIdKey, obj.id)\n  }\n\n  if (sourceMap) {\n    // https://developer.chrome.com/devtools/docs/javascript-debugging\n    // this makes source maps inside style tags work properly in Chrome\n    css += '\\n/*# sourceURL=' + sourceMap.sources[0] + ' */'\n    // http://stackoverflow.com/a/26603875\n    css += '\\n/*# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + ' */'\n  }\n\n  if (styleElement.styleSheet) {\n    styleElement.styleSheet.cssText = css\n  } else {\n    while (styleElement.firstChild) {\n      styleElement.removeChild(styleElement.firstChild)\n    }\n    styleElement.appendChild(document.createTextNode(css))\n  }\n}\n","/**\n * Translates the list format produced by css-loader into something\n * easier to manipulate.\n */\nexport default function listToStyles (parentId, list) {\n  var styles = []\n  var newStyles = {}\n  for (var i = 0; i < list.length; i++) {\n    var item = list[i]\n    var id = item[0]\n    var css = item[1]\n    var media = item[2]\n    var sourceMap = item[3]\n    var part = {\n      id: parentId + ':' + i,\n      css: css,\n      media: media,\n      sourceMap: sourceMap\n    }\n    if (!newStyles[id]) {\n      styles.push(newStyles[id] = { id: id, parts: [part] })\n    } else {\n      newStyles[id].parts.push(part)\n    }\n  }\n  return styles\n}\n","/*!\n * Vue.js v2.5.13\n * (c) 2014-2017 Evan You\n * Released under the MIT License.\n */\n/*  */\n\nvar emptyObject = Object.freeze({});\n\n// these helpers produces better vm code in JS engines due to their\n// explicitness and function inlining\nfunction isUndef (v) {\n  return v === undefined || v === null\n}\n\nfunction isDef (v) {\n  return v !== undefined && v !== null\n}\n\nfunction isTrue (v) {\n  return v === true\n}\n\nfunction isFalse (v) {\n  return v === false\n}\n\n/**\n * Check if value is primitive\n */\nfunction isPrimitive (value) {\n  return (\n    typeof value === 'string' ||\n    typeof value === 'number' ||\n    // $flow-disable-line\n    typeof value === 'symbol' ||\n    typeof value === 'boolean'\n  )\n}\n\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\nfunction isObject (obj) {\n  return obj !== null && typeof obj === 'object'\n}\n\n/**\n * Get the raw type string of a value e.g. [object Object]\n */\nvar _toString = Object.prototype.toString;\n\nfunction toRawType (value) {\n  return _toString.call(value).slice(8, -1)\n}\n\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\nfunction isPlainObject (obj) {\n  return _toString.call(obj) === '[object Object]'\n}\n\nfunction isRegExp (v) {\n  return _toString.call(v) === '[object RegExp]'\n}\n\n/**\n * Check if val is a valid array index.\n */\nfunction isValidArrayIndex (val) {\n  var n = parseFloat(String(val));\n  return n >= 0 && Math.floor(n) === n && isFinite(val)\n}\n\n/**\n * Convert a value to a string that is actually rendered.\n */\nfunction toString (val) {\n  return val == null\n    ? ''\n    : typeof val === 'object'\n      ? JSON.stringify(val, null, 2)\n      : String(val)\n}\n\n/**\n * Convert a input value to a number for persistence.\n * If the conversion fails, return original string.\n */\nfunction toNumber (val) {\n  var n = parseFloat(val);\n  return isNaN(n) ? val : n\n}\n\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\nfunction makeMap (\n  str,\n  expectsLowerCase\n) {\n  var map = Object.create(null);\n  var list = str.split(',');\n  for (var i = 0; i < list.length; i++) {\n    map[list[i]] = true;\n  }\n  return expectsLowerCase\n    ? function (val) { return map[val.toLowerCase()]; }\n    : function (val) { return map[val]; }\n}\n\n/**\n * Check if a tag is a built-in tag.\n */\nvar isBuiltInTag = makeMap('slot,component', true);\n\n/**\n * Check if a attribute is a reserved attribute.\n */\nvar isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');\n\n/**\n * Remove an item from an array\n */\nfunction remove (arr, item) {\n  if (arr.length) {\n    var index = arr.indexOf(item);\n    if (index > -1) {\n      return arr.splice(index, 1)\n    }\n  }\n}\n\n/**\n * Check whether the object has the property.\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwn (obj, key) {\n  return hasOwnProperty.call(obj, key)\n}\n\n/**\n * Create a cached version of a pure function.\n */\nfunction cached (fn) {\n  var cache = Object.create(null);\n  return (function cachedFn (str) {\n    var hit = cache[str];\n    return hit || (cache[str] = fn(str))\n  })\n}\n\n/**\n * Camelize a hyphen-delimited string.\n */\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })\n});\n\n/**\n * Capitalize a string.\n */\nvar capitalize = cached(function (str) {\n  return str.charAt(0).toUpperCase() + str.slice(1)\n});\n\n/**\n * Hyphenate a camelCase string.\n */\nvar hyphenateRE = /\\B([A-Z])/g;\nvar hyphenate = cached(function (str) {\n  return str.replace(hyphenateRE, '-$1').toLowerCase()\n});\n\n/**\n * Simple bind, faster than native\n */\nfunction bind (fn, ctx) {\n  function boundFn (a) {\n    var l = arguments.length;\n    return l\n      ? l > 1\n        ? fn.apply(ctx, arguments)\n        : fn.call(ctx, a)\n      : fn.call(ctx)\n  }\n  // record original fn length\n  boundFn._length = fn.length;\n  return boundFn\n}\n\n/**\n * Convert an Array-like object to a real Array.\n */\nfunction toArray (list, start) {\n  start = start || 0;\n  var i = list.length - start;\n  var ret = new Array(i);\n  while (i--) {\n    ret[i] = list[i + start];\n  }\n  return ret\n}\n\n/**\n * Mix properties into target object.\n */\nfunction extend (to, _from) {\n  for (var key in _from) {\n    to[key] = _from[key];\n  }\n  return to\n}\n\n/**\n * Merge an Array of Objects into a single Object.\n */\nfunction toObject (arr) {\n  var res = {};\n  for (var i = 0; i < arr.length; i++) {\n    if (arr[i]) {\n      extend(res, arr[i]);\n    }\n  }\n  return res\n}\n\n/**\n * Perform no operation.\n * Stubbing args to make Flow happy without leaving useless transpiled code\n * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)\n */\nfunction noop (a, b, c) {}\n\n/**\n * Always return false.\n */\nvar no = function (a, b, c) { return false; };\n\n/**\n * Return same value\n */\nvar identity = function (_) { return _; };\n\n/**\n * Generate a static keys string from compiler modules.\n */\n\n\n/**\n * Check if two values are loosely equal - that is,\n * if they are plain objects, do they have the same shape?\n */\nfunction looseEqual (a, b) {\n  if (a === b) { return true }\n  var isObjectA = isObject(a);\n  var isObjectB = isObject(b);\n  if (isObjectA && isObjectB) {\n    try {\n      var isArrayA = Array.isArray(a);\n      var isArrayB = Array.isArray(b);\n      if (isArrayA && isArrayB) {\n        return a.length === b.length && a.every(function (e, i) {\n          return looseEqual(e, b[i])\n        })\n      } else if (!isArrayA && !isArrayB) {\n        var keysA = Object.keys(a);\n        var keysB = Object.keys(b);\n        return keysA.length === keysB.length && keysA.every(function (key) {\n          return looseEqual(a[key], b[key])\n        })\n      } else {\n        /* istanbul ignore next */\n        return false\n      }\n    } catch (e) {\n      /* istanbul ignore next */\n      return false\n    }\n  } else if (!isObjectA && !isObjectB) {\n    return String(a) === String(b)\n  } else {\n    return false\n  }\n}\n\nfunction looseIndexOf (arr, val) {\n  for (var i = 0; i < arr.length; i++) {\n    if (looseEqual(arr[i], val)) { return i }\n  }\n  return -1\n}\n\n/**\n * Ensure a function is called only once.\n */\nfunction once (fn) {\n  var called = false;\n  return function () {\n    if (!called) {\n      called = true;\n      fn.apply(this, arguments);\n    }\n  }\n}\n\nvar SSR_ATTR = 'data-server-rendered';\n\nvar ASSET_TYPES = [\n  'component',\n  'directive',\n  'filter'\n];\n\nvar LIFECYCLE_HOOKS = [\n  'beforeCreate',\n  'created',\n  'beforeMount',\n  'mounted',\n  'beforeUpdate',\n  'updated',\n  'beforeDestroy',\n  'destroyed',\n  'activated',\n  'deactivated',\n  'errorCaptured'\n];\n\n/*  */\n\nvar config = ({\n  /**\n   * Option merge strategies (used in core/util/options)\n   */\n  // $flow-disable-line\n  optionMergeStrategies: Object.create(null),\n\n  /**\n   * Whether to suppress warnings.\n   */\n  silent: false,\n\n  /**\n   * Show production mode tip message on boot?\n   */\n  productionTip: process.env.NODE_ENV !== 'production',\n\n  /**\n   * Whether to enable devtools\n   */\n  devtools: process.env.NODE_ENV !== 'production',\n\n  /**\n   * Whether to record perf\n   */\n  performance: false,\n\n  /**\n   * Error handler for watcher errors\n   */\n  errorHandler: null,\n\n  /**\n   * Warn handler for watcher warns\n   */\n  warnHandler: null,\n\n  /**\n   * Ignore certain custom elements\n   */\n  ignoredElements: [],\n\n  /**\n   * Custom user key aliases for v-on\n   */\n  // $flow-disable-line\n  keyCodes: Object.create(null),\n\n  /**\n   * Check if a tag is reserved so that it cannot be registered as a\n   * component. This is platform-dependent and may be overwritten.\n   */\n  isReservedTag: no,\n\n  /**\n   * Check if an attribute is reserved so that it cannot be used as a component\n   * prop. This is platform-dependent and may be overwritten.\n   */\n  isReservedAttr: no,\n\n  /**\n   * Check if a tag is an unknown element.\n   * Platform-dependent.\n   */\n  isUnknownElement: no,\n\n  /**\n   * Get the namespace of an element\n   */\n  getTagNamespace: noop,\n\n  /**\n   * Parse the real tag name for the specific platform.\n   */\n  parsePlatformTagName: identity,\n\n  /**\n   * Check if an attribute must be bound using property, e.g. value\n   * Platform-dependent.\n   */\n  mustUseProp: no,\n\n  /**\n   * Exposed for legacy reasons\n   */\n  _lifecycleHooks: LIFECYCLE_HOOKS\n});\n\n/*  */\n\n/**\n * Check if a string starts with $ or _\n */\nfunction isReserved (str) {\n  var c = (str + '').charCodeAt(0);\n  return c === 0x24 || c === 0x5F\n}\n\n/**\n * Define a property.\n */\nfunction def (obj, key, val, enumerable) {\n  Object.defineProperty(obj, key, {\n    value: val,\n    enumerable: !!enumerable,\n    writable: true,\n    configurable: true\n  });\n}\n\n/**\n * Parse simple path.\n */\nvar bailRE = /[^\\w.$]/;\nfunction parsePath (path) {\n  if (bailRE.test(path)) {\n    return\n  }\n  var segments = path.split('.');\n  return function (obj) {\n    for (var i = 0; i < segments.length; i++) {\n      if (!obj) { return }\n      obj = obj[segments[i]];\n    }\n    return obj\n  }\n}\n\n/*  */\n\n\n// can we use __proto__?\nvar hasProto = '__proto__' in {};\n\n// Browser environment sniffing\nvar inBrowser = typeof window !== 'undefined';\nvar inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;\nvar weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();\nvar UA = inBrowser && window.navigator.userAgent.toLowerCase();\nvar isIE = UA && /msie|trident/.test(UA);\nvar isIE9 = UA && UA.indexOf('msie 9.0') > 0;\nvar isEdge = UA && UA.indexOf('edge/') > 0;\nvar isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');\nvar isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');\nvar isChrome = UA && /chrome\\/\\d+/.test(UA) && !isEdge;\n\n// Firefox has a \"watch\" function on Object.prototype...\nvar nativeWatch = ({}).watch;\n\nvar supportsPassive = false;\nif (inBrowser) {\n  try {\n    var opts = {};\n    Object.defineProperty(opts, 'passive', ({\n      get: function get () {\n        /* istanbul ignore next */\n        supportsPassive = true;\n      }\n    })); // https://github.com/facebook/flow/issues/285\n    window.addEventListener('test-passive', null, opts);\n  } catch (e) {}\n}\n\n// this needs to be lazy-evaled because vue may be required before\n// vue-server-renderer can set VUE_ENV\nvar _isServer;\nvar isServerRendering = function () {\n  if (_isServer === undefined) {\n    /* istanbul ignore if */\n    if (!inBrowser && typeof global !== 'undefined') {\n      // detect presence of vue-server-renderer and avoid\n      // Webpack shimming the process\n      _isServer = global['process'].env.VUE_ENV === 'server';\n    } else {\n      _isServer = false;\n    }\n  }\n  return _isServer\n};\n\n// detect devtools\nvar devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;\n\n/* istanbul ignore next */\nfunction isNative (Ctor) {\n  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())\n}\n\nvar hasSymbol =\n  typeof Symbol !== 'undefined' && isNative(Symbol) &&\n  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);\n\nvar _Set;\n/* istanbul ignore if */ // $flow-disable-line\nif (typeof Set !== 'undefined' && isNative(Set)) {\n  // use native Set when available.\n  _Set = Set;\n} else {\n  // a non-standard Set polyfill that only works with primitive keys.\n  _Set = (function () {\n    function Set () {\n      this.set = Object.create(null);\n    }\n    Set.prototype.has = function has (key) {\n      return this.set[key] === true\n    };\n    Set.prototype.add = function add (key) {\n      this.set[key] = true;\n    };\n    Set.prototype.clear = function clear () {\n      this.set = Object.create(null);\n    };\n\n    return Set;\n  }());\n}\n\n/*  */\n\nvar warn = noop;\nvar tip = noop;\nvar generateComponentTrace = (noop); // work around flow check\nvar formatComponentName = (noop);\n\nif (process.env.NODE_ENV !== 'production') {\n  var hasConsole = typeof console !== 'undefined';\n  var classifyRE = /(?:^|[-_])(\\w)/g;\n  var classify = function (str) { return str\n    .replace(classifyRE, function (c) { return c.toUpperCase(); })\n    .replace(/[-_]/g, ''); };\n\n  warn = function (msg, vm) {\n    var trace = vm ? generateComponentTrace(vm) : '';\n\n    if (config.warnHandler) {\n      config.warnHandler.call(null, msg, vm, trace);\n    } else if (hasConsole && (!config.silent)) {\n      console.error((\"[Vue warn]: \" + msg + trace));\n    }\n  };\n\n  tip = function (msg, vm) {\n    if (hasConsole && (!config.silent)) {\n      console.warn(\"[Vue tip]: \" + msg + (\n        vm ? generateComponentTrace(vm) : ''\n      ));\n    }\n  };\n\n  formatComponentName = function (vm, includeFile) {\n    if (vm.$root === vm) {\n      return '<Root>'\n    }\n    var options = typeof vm === 'function' && vm.cid != null\n      ? vm.options\n      : vm._isVue\n        ? vm.$options || vm.constructor.options\n        : vm || {};\n    var name = options.name || options._componentTag;\n    var file = options.__file;\n    if (!name && file) {\n      var match = file.match(/([^/\\\\]+)\\.vue$/);\n      name = match && match[1];\n    }\n\n    return (\n      (name ? (\"<\" + (classify(name)) + \">\") : \"<Anonymous>\") +\n      (file && includeFile !== false ? (\" at \" + file) : '')\n    )\n  };\n\n  var repeat = function (str, n) {\n    var res = '';\n    while (n) {\n      if (n % 2 === 1) { res += str; }\n      if (n > 1) { str += str; }\n      n >>= 1;\n    }\n    return res\n  };\n\n  generateComponentTrace = function (vm) {\n    if (vm._isVue && vm.$parent) {\n      var tree = [];\n      var currentRecursiveSequence = 0;\n      while (vm) {\n        if (tree.length > 0) {\n          var last = tree[tree.length - 1];\n          if (last.constructor === vm.constructor) {\n            currentRecursiveSequence++;\n            vm = vm.$parent;\n            continue\n          } else if (currentRecursiveSequence > 0) {\n            tree[tree.length - 1] = [last, currentRecursiveSequence];\n            currentRecursiveSequence = 0;\n          }\n        }\n        tree.push(vm);\n        vm = vm.$parent;\n      }\n      return '\\n\\nfound in\\n\\n' + tree\n        .map(function (vm, i) { return (\"\" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)\n            ? ((formatComponentName(vm[0])) + \"... (\" + (vm[1]) + \" recursive calls)\")\n            : formatComponentName(vm))); })\n        .join('\\n')\n    } else {\n      return (\"\\n\\n(found in \" + (formatComponentName(vm)) + \")\")\n    }\n  };\n}\n\n/*  */\n\n\nvar uid$1 = 0;\n\n/**\n * A dep is an observable that can have multiple\n * directives subscribing to it.\n */\nvar Dep = function Dep () {\n  this.id = uid$1++;\n  this.subs = [];\n};\n\nDep.prototype.addSub = function addSub (sub) {\n  this.subs.push(sub);\n};\n\nDep.prototype.removeSub = function removeSub (sub) {\n  remove(this.subs, sub);\n};\n\nDep.prototype.depend = function depend () {\n  if (Dep.target) {\n    Dep.target.addDep(this);\n  }\n};\n\nDep.prototype.notify = function notify () {\n  // stabilize the subscriber list first\n  var subs = this.subs.slice();\n  for (var i = 0, l = subs.length; i < l; i++) {\n    subs[i].update();\n  }\n};\n\n// the current target watcher being evaluated.\n// this is globally unique because there could be only one\n// watcher being evaluated at any time.\nDep.target = null;\nvar targetStack = [];\n\nfunction pushTarget (_target) {\n  if (Dep.target) { targetStack.push(Dep.target); }\n  Dep.target = _target;\n}\n\nfunction popTarget () {\n  Dep.target = targetStack.pop();\n}\n\n/*  */\n\nvar VNode = function VNode (\n  tag,\n  data,\n  children,\n  text,\n  elm,\n  context,\n  componentOptions,\n  asyncFactory\n) {\n  this.tag = tag;\n  this.data = data;\n  this.children = children;\n  this.text = text;\n  this.elm = elm;\n  this.ns = undefined;\n  this.context = context;\n  this.fnContext = undefined;\n  this.fnOptions = undefined;\n  this.fnScopeId = undefined;\n  this.key = data && data.key;\n  this.componentOptions = componentOptions;\n  this.componentInstance = undefined;\n  this.parent = undefined;\n  this.raw = false;\n  this.isStatic = false;\n  this.isRootInsert = true;\n  this.isComment = false;\n  this.isCloned = false;\n  this.isOnce = false;\n  this.asyncFactory = asyncFactory;\n  this.asyncMeta = undefined;\n  this.isAsyncPlaceholder = false;\n};\n\nvar prototypeAccessors = { child: { configurable: true } };\n\n// DEPRECATED: alias for componentInstance for backwards compat.\n/* istanbul ignore next */\nprototypeAccessors.child.get = function () {\n  return this.componentInstance\n};\n\nObject.defineProperties( VNode.prototype, prototypeAccessors );\n\nvar createEmptyVNode = function (text) {\n  if ( text === void 0 ) text = '';\n\n  var node = new VNode();\n  node.text = text;\n  node.isComment = true;\n  return node\n};\n\nfunction createTextVNode (val) {\n  return new VNode(undefined, undefined, undefined, String(val))\n}\n\n// optimized shallow clone\n// used for static nodes and slot nodes because they may be reused across\n// multiple renders, cloning them avoids errors when DOM manipulations rely\n// on their elm reference.\nfunction cloneVNode (vnode, deep) {\n  var componentOptions = vnode.componentOptions;\n  var cloned = new VNode(\n    vnode.tag,\n    vnode.data,\n    vnode.children,\n    vnode.text,\n    vnode.elm,\n    vnode.context,\n    componentOptions,\n    vnode.asyncFactory\n  );\n  cloned.ns = vnode.ns;\n  cloned.isStatic = vnode.isStatic;\n  cloned.key = vnode.key;\n  cloned.isComment = vnode.isComment;\n  cloned.fnContext = vnode.fnContext;\n  cloned.fnOptions = vnode.fnOptions;\n  cloned.fnScopeId = vnode.fnScopeId;\n  cloned.isCloned = true;\n  if (deep) {\n    if (vnode.children) {\n      cloned.children = cloneVNodes(vnode.children, true);\n    }\n    if (componentOptions && componentOptions.children) {\n      componentOptions.children = cloneVNodes(componentOptions.children, true);\n    }\n  }\n  return cloned\n}\n\nfunction cloneVNodes (vnodes, deep) {\n  var len = vnodes.length;\n  var res = new Array(len);\n  for (var i = 0; i < len; i++) {\n    res[i] = cloneVNode(vnodes[i], deep);\n  }\n  return res\n}\n\n/*\n * not type checking this file because flow doesn't play well with\n * dynamically accessing methods on Array prototype\n */\n\nvar arrayProto = Array.prototype;\nvar arrayMethods = Object.create(arrayProto);[\n  'push',\n  'pop',\n  'shift',\n  'unshift',\n  'splice',\n  'sort',\n  'reverse'\n].forEach(function (method) {\n  // cache original method\n  var original = arrayProto[method];\n  def(arrayMethods, method, function mutator () {\n    var args = [], len = arguments.length;\n    while ( len-- ) args[ len ] = arguments[ len ];\n\n    var result = original.apply(this, args);\n    var ob = this.__ob__;\n    var inserted;\n    switch (method) {\n      case 'push':\n      case 'unshift':\n        inserted = args;\n        break\n      case 'splice':\n        inserted = args.slice(2);\n        break\n    }\n    if (inserted) { ob.observeArray(inserted); }\n    // notify change\n    ob.dep.notify();\n    return result\n  });\n});\n\n/*  */\n\nvar arrayKeys = Object.getOwnPropertyNames(arrayMethods);\n\n/**\n * By default, when a reactive property is set, the new value is\n * also converted to become reactive. However when passing down props,\n * we don't want to force conversion because the value may be a nested value\n * under a frozen data structure. Converting it would defeat the optimization.\n */\nvar observerState = {\n  shouldConvert: true\n};\n\n/**\n * Observer class that are attached to each observed\n * object. Once attached, the observer converts target\n * object's property keys into getter/setters that\n * collect dependencies and dispatches updates.\n */\nvar Observer = function Observer (value) {\n  this.value = value;\n  this.dep = new Dep();\n  this.vmCount = 0;\n  def(value, '__ob__', this);\n  if (Array.isArray(value)) {\n    var augment = hasProto\n      ? protoAugment\n      : copyAugment;\n    augment(value, arrayMethods, arrayKeys);\n    this.observeArray(value);\n  } else {\n    this.walk(value);\n  }\n};\n\n/**\n * Walk through each property and convert them into\n * getter/setters. This method should only be called when\n * value type is Object.\n */\nObserver.prototype.walk = function walk (obj) {\n  var keys = Object.keys(obj);\n  for (var i = 0; i < keys.length; i++) {\n    defineReactive(obj, keys[i], obj[keys[i]]);\n  }\n};\n\n/**\n * Observe a list of Array items.\n */\nObserver.prototype.observeArray = function observeArray (items) {\n  for (var i = 0, l = items.length; i < l; i++) {\n    observe(items[i]);\n  }\n};\n\n// helpers\n\n/**\n * Augment an target Object or Array by intercepting\n * the prototype chain using __proto__\n */\nfunction protoAugment (target, src, keys) {\n  /* eslint-disable no-proto */\n  target.__proto__ = src;\n  /* eslint-enable no-proto */\n}\n\n/**\n * Augment an target Object or Array by defining\n * hidden properties.\n */\n/* istanbul ignore next */\nfunction copyAugment (target, src, keys) {\n  for (var i = 0, l = keys.length; i < l; i++) {\n    var key = keys[i];\n    def(target, key, src[key]);\n  }\n}\n\n/**\n * Attempt to create an observer instance for a value,\n * returns the new observer if successfully observed,\n * or the existing observer if the value already has one.\n */\nfunction observe (value, asRootData) {\n  if (!isObject(value) || value instanceof VNode) {\n    return\n  }\n  var ob;\n  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {\n    ob = value.__ob__;\n  } else if (\n    observerState.shouldConvert &&\n    !isServerRendering() &&\n    (Array.isArray(value) || isPlainObject(value)) &&\n    Object.isExtensible(value) &&\n    !value._isVue\n  ) {\n    ob = new Observer(value);\n  }\n  if (asRootData && ob) {\n    ob.vmCount++;\n  }\n  return ob\n}\n\n/**\n * Define a reactive property on an Object.\n */\nfunction defineReactive (\n  obj,\n  key,\n  val,\n  customSetter,\n  shallow\n) {\n  var dep = new Dep();\n\n  var property = Object.getOwnPropertyDescriptor(obj, key);\n  if (property && property.configurable === false) {\n    return\n  }\n\n  // cater for pre-defined getter/setters\n  var getter = property && property.get;\n  var setter = property && property.set;\n\n  var childOb = !shallow && observe(val);\n  Object.defineProperty(obj, key, {\n    enumerable: true,\n    configurable: true,\n    get: function reactiveGetter () {\n      var value = getter ? getter.call(obj) : val;\n      if (Dep.target) {\n        dep.depend();\n        if (childOb) {\n          childOb.dep.depend();\n          if (Array.isArray(value)) {\n            dependArray(value);\n          }\n        }\n      }\n      return value\n    },\n    set: function reactiveSetter (newVal) {\n      var value = getter ? getter.call(obj) : val;\n      /* eslint-disable no-self-compare */\n      if (newVal === value || (newVal !== newVal && value !== value)) {\n        return\n      }\n      /* eslint-enable no-self-compare */\n      if (process.env.NODE_ENV !== 'production' && customSetter) {\n        customSetter();\n      }\n      if (setter) {\n        setter.call(obj, newVal);\n      } else {\n        val = newVal;\n      }\n      childOb = !shallow && observe(newVal);\n      dep.notify();\n    }\n  });\n}\n\n/**\n * Set a property on an object. Adds the new property and\n * triggers change notification if the property doesn't\n * already exist.\n */\nfunction set (target, key, val) {\n  if (Array.isArray(target) && isValidArrayIndex(key)) {\n    target.length = Math.max(target.length, key);\n    target.splice(key, 1, val);\n    return val\n  }\n  if (key in target && !(key in Object.prototype)) {\n    target[key] = val;\n    return val\n  }\n  var ob = (target).__ob__;\n  if (target._isVue || (ob && ob.vmCount)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      'Avoid adding reactive properties to a Vue instance or its root $data ' +\n      'at runtime - declare it upfront in the data option.'\n    );\n    return val\n  }\n  if (!ob) {\n    target[key] = val;\n    return val\n  }\n  defineReactive(ob.value, key, val);\n  ob.dep.notify();\n  return val\n}\n\n/**\n * Delete a property and trigger change if necessary.\n */\nfunction del (target, key) {\n  if (Array.isArray(target) && isValidArrayIndex(key)) {\n    target.splice(key, 1);\n    return\n  }\n  var ob = (target).__ob__;\n  if (target._isVue || (ob && ob.vmCount)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      'Avoid deleting properties on a Vue instance or its root $data ' +\n      '- just set it to null.'\n    );\n    return\n  }\n  if (!hasOwn(target, key)) {\n    return\n  }\n  delete target[key];\n  if (!ob) {\n    return\n  }\n  ob.dep.notify();\n}\n\n/**\n * Collect dependencies on array elements when the array is touched, since\n * we cannot intercept array element access like property getters.\n */\nfunction dependArray (value) {\n  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {\n    e = value[i];\n    e && e.__ob__ && e.__ob__.dep.depend();\n    if (Array.isArray(e)) {\n      dependArray(e);\n    }\n  }\n}\n\n/*  */\n\n/**\n * Option overwriting strategies are functions that handle\n * how to merge a parent option value and a child option\n * value into the final value.\n */\nvar strats = config.optionMergeStrategies;\n\n/**\n * Options with restrictions\n */\nif (process.env.NODE_ENV !== 'production') {\n  strats.el = strats.propsData = function (parent, child, vm, key) {\n    if (!vm) {\n      warn(\n        \"option \\\"\" + key + \"\\\" can only be used during instance \" +\n        'creation with the `new` keyword.'\n      );\n    }\n    return defaultStrat(parent, child)\n  };\n}\n\n/**\n * Helper that recursively merges two data objects together.\n */\nfunction mergeData (to, from) {\n  if (!from) { return to }\n  var key, toVal, fromVal;\n  var keys = Object.keys(from);\n  for (var i = 0; i < keys.length; i++) {\n    key = keys[i];\n    toVal = to[key];\n    fromVal = from[key];\n    if (!hasOwn(to, key)) {\n      set(to, key, fromVal);\n    } else if (isPlainObject(toVal) && isPlainObject(fromVal)) {\n      mergeData(toVal, fromVal);\n    }\n  }\n  return to\n}\n\n/**\n * Data\n */\nfunction mergeDataOrFn (\n  parentVal,\n  childVal,\n  vm\n) {\n  if (!vm) {\n    // in a Vue.extend merge, both should be functions\n    if (!childVal) {\n      return parentVal\n    }\n    if (!parentVal) {\n      return childVal\n    }\n    // when parentVal & childVal are both present,\n    // we need to return a function that returns the\n    // merged result of both functions... no need to\n    // check if parentVal is a function here because\n    // it has to be a function to pass previous merges.\n    return function mergedDataFn () {\n      return mergeData(\n        typeof childVal === 'function' ? childVal.call(this, this) : childVal,\n        typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal\n      )\n    }\n  } else {\n    return function mergedInstanceDataFn () {\n      // instance merge\n      var instanceData = typeof childVal === 'function'\n        ? childVal.call(vm, vm)\n        : childVal;\n      var defaultData = typeof parentVal === 'function'\n        ? parentVal.call(vm, vm)\n        : parentVal;\n      if (instanceData) {\n        return mergeData(instanceData, defaultData)\n      } else {\n        return defaultData\n      }\n    }\n  }\n}\n\nstrats.data = function (\n  parentVal,\n  childVal,\n  vm\n) {\n  if (!vm) {\n    if (childVal && typeof childVal !== 'function') {\n      process.env.NODE_ENV !== 'production' && warn(\n        'The \"data\" option should be a function ' +\n        'that returns a per-instance value in component ' +\n        'definitions.',\n        vm\n      );\n\n      return parentVal\n    }\n    return mergeDataOrFn(parentVal, childVal)\n  }\n\n  return mergeDataOrFn(parentVal, childVal, vm)\n};\n\n/**\n * Hooks and props are merged as arrays.\n */\nfunction mergeHook (\n  parentVal,\n  childVal\n) {\n  return childVal\n    ? parentVal\n      ? parentVal.concat(childVal)\n      : Array.isArray(childVal)\n        ? childVal\n        : [childVal]\n    : parentVal\n}\n\nLIFECYCLE_HOOKS.forEach(function (hook) {\n  strats[hook] = mergeHook;\n});\n\n/**\n * Assets\n *\n * When a vm is present (instance creation), we need to do\n * a three-way merge between constructor options, instance\n * options and parent options.\n */\nfunction mergeAssets (\n  parentVal,\n  childVal,\n  vm,\n  key\n) {\n  var res = Object.create(parentVal || null);\n  if (childVal) {\n    process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);\n    return extend(res, childVal)\n  } else {\n    return res\n  }\n}\n\nASSET_TYPES.forEach(function (type) {\n  strats[type + 's'] = mergeAssets;\n});\n\n/**\n * Watchers.\n *\n * Watchers hashes should not overwrite one\n * another, so we merge them as arrays.\n */\nstrats.watch = function (\n  parentVal,\n  childVal,\n  vm,\n  key\n) {\n  // work around Firefox's Object.prototype.watch...\n  if (parentVal === nativeWatch) { parentVal = undefined; }\n  if (childVal === nativeWatch) { childVal = undefined; }\n  /* istanbul ignore if */\n  if (!childVal) { return Object.create(parentVal || null) }\n  if (process.env.NODE_ENV !== 'production') {\n    assertObjectType(key, childVal, vm);\n  }\n  if (!parentVal) { return childVal }\n  var ret = {};\n  extend(ret, parentVal);\n  for (var key$1 in childVal) {\n    var parent = ret[key$1];\n    var child = childVal[key$1];\n    if (parent && !Array.isArray(parent)) {\n      parent = [parent];\n    }\n    ret[key$1] = parent\n      ? parent.concat(child)\n      : Array.isArray(child) ? child : [child];\n  }\n  return ret\n};\n\n/**\n * Other object hashes.\n */\nstrats.props =\nstrats.methods =\nstrats.inject =\nstrats.computed = function (\n  parentVal,\n  childVal,\n  vm,\n  key\n) {\n  if (childVal && process.env.NODE_ENV !== 'production') {\n    assertObjectType(key, childVal, vm);\n  }\n  if (!parentVal) { return childVal }\n  var ret = Object.create(null);\n  extend(ret, parentVal);\n  if (childVal) { extend(ret, childVal); }\n  return ret\n};\nstrats.provide = mergeDataOrFn;\n\n/**\n * Default strategy.\n */\nvar defaultStrat = function (parentVal, childVal) {\n  return childVal === undefined\n    ? parentVal\n    : childVal\n};\n\n/**\n * Validate component names\n */\nfunction checkComponents (options) {\n  for (var key in options.components) {\n    validateComponentName(key);\n  }\n}\n\nfunction validateComponentName (name) {\n  if (!/^[a-zA-Z][\\w-]*$/.test(name)) {\n    warn(\n      'Invalid component name: \"' + name + '\". Component names ' +\n      'can only contain alphanumeric characters and the hyphen, ' +\n      'and must start with a letter.'\n    );\n  }\n  if (isBuiltInTag(name) || config.isReservedTag(name)) {\n    warn(\n      'Do not use built-in or reserved HTML elements as component ' +\n      'id: ' + name\n    );\n  }\n}\n\n/**\n * Ensure all props option syntax are normalized into the\n * Object-based format.\n */\nfunction normalizeProps (options, vm) {\n  var props = options.props;\n  if (!props) { return }\n  var res = {};\n  var i, val, name;\n  if (Array.isArray(props)) {\n    i = props.length;\n    while (i--) {\n      val = props[i];\n      if (typeof val === 'string') {\n        name = camelize(val);\n        res[name] = { type: null };\n      } else if (process.env.NODE_ENV !== 'production') {\n        warn('props must be strings when using array syntax.');\n      }\n    }\n  } else if (isPlainObject(props)) {\n    for (var key in props) {\n      val = props[key];\n      name = camelize(key);\n      res[name] = isPlainObject(val)\n        ? val\n        : { type: val };\n    }\n  } else if (process.env.NODE_ENV !== 'production') {\n    warn(\n      \"Invalid value for option \\\"props\\\": expected an Array or an Object, \" +\n      \"but got \" + (toRawType(props)) + \".\",\n      vm\n    );\n  }\n  options.props = res;\n}\n\n/**\n * Normalize all injections into Object-based format\n */\nfunction normalizeInject (options, vm) {\n  var inject = options.inject;\n  if (!inject) { return }\n  var normalized = options.inject = {};\n  if (Array.isArray(inject)) {\n    for (var i = 0; i < inject.length; i++) {\n      normalized[inject[i]] = { from: inject[i] };\n    }\n  } else if (isPlainObject(inject)) {\n    for (var key in inject) {\n      var val = inject[key];\n      normalized[key] = isPlainObject(val)\n        ? extend({ from: key }, val)\n        : { from: val };\n    }\n  } else if (process.env.NODE_ENV !== 'production') {\n    warn(\n      \"Invalid value for option \\\"inject\\\": expected an Array or an Object, \" +\n      \"but got \" + (toRawType(inject)) + \".\",\n      vm\n    );\n  }\n}\n\n/**\n * Normalize raw function directives into object format.\n */\nfunction normalizeDirectives (options) {\n  var dirs = options.directives;\n  if (dirs) {\n    for (var key in dirs) {\n      var def = dirs[key];\n      if (typeof def === 'function') {\n        dirs[key] = { bind: def, update: def };\n      }\n    }\n  }\n}\n\nfunction assertObjectType (name, value, vm) {\n  if (!isPlainObject(value)) {\n    warn(\n      \"Invalid value for option \\\"\" + name + \"\\\": expected an Object, \" +\n      \"but got \" + (toRawType(value)) + \".\",\n      vm\n    );\n  }\n}\n\n/**\n * Merge two option objects into a new one.\n * Core utility used in both instantiation and inheritance.\n */\nfunction mergeOptions (\n  parent,\n  child,\n  vm\n) {\n  if (process.env.NODE_ENV !== 'production') {\n    checkComponents(child);\n  }\n\n  if (typeof child === 'function') {\n    child = child.options;\n  }\n\n  normalizeProps(child, vm);\n  normalizeInject(child, vm);\n  normalizeDirectives(child);\n  var extendsFrom = child.extends;\n  if (extendsFrom) {\n    parent = mergeOptions(parent, extendsFrom, vm);\n  }\n  if (child.mixins) {\n    for (var i = 0, l = child.mixins.length; i < l; i++) {\n      parent = mergeOptions(parent, child.mixins[i], vm);\n    }\n  }\n  var options = {};\n  var key;\n  for (key in parent) {\n    mergeField(key);\n  }\n  for (key in child) {\n    if (!hasOwn(parent, key)) {\n      mergeField(key);\n    }\n  }\n  function mergeField (key) {\n    var strat = strats[key] || defaultStrat;\n    options[key] = strat(parent[key], child[key], vm, key);\n  }\n  return options\n}\n\n/**\n * Resolve an asset.\n * This function is used because child instances need access\n * to assets defined in its ancestor chain.\n */\nfunction resolveAsset (\n  options,\n  type,\n  id,\n  warnMissing\n) {\n  /* istanbul ignore if */\n  if (typeof id !== 'string') {\n    return\n  }\n  var assets = options[type];\n  // check local registration variations first\n  if (hasOwn(assets, id)) { return assets[id] }\n  var camelizedId = camelize(id);\n  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }\n  var PascalCaseId = capitalize(camelizedId);\n  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }\n  // fallback to prototype chain\n  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];\n  if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {\n    warn(\n      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,\n      options\n    );\n  }\n  return res\n}\n\n/*  */\n\nfunction validateProp (\n  key,\n  propOptions,\n  propsData,\n  vm\n) {\n  var prop = propOptions[key];\n  var absent = !hasOwn(propsData, key);\n  var value = propsData[key];\n  // handle boolean props\n  if (isType(Boolean, prop.type)) {\n    if (absent && !hasOwn(prop, 'default')) {\n      value = false;\n    } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {\n      value = true;\n    }\n  }\n  // check default value\n  if (value === undefined) {\n    value = getPropDefaultValue(vm, prop, key);\n    // since the default value is a fresh copy,\n    // make sure to observe it.\n    var prevShouldConvert = observerState.shouldConvert;\n    observerState.shouldConvert = true;\n    observe(value);\n    observerState.shouldConvert = prevShouldConvert;\n  }\n  if (\n    process.env.NODE_ENV !== 'production' &&\n    // skip validation for weex recycle-list child component props\n    !(false && isObject(value) && ('@binding' in value))\n  ) {\n    assertProp(prop, key, value, vm, absent);\n  }\n  return value\n}\n\n/**\n * Get the default value of a prop.\n */\nfunction getPropDefaultValue (vm, prop, key) {\n  // no default, return undefined\n  if (!hasOwn(prop, 'default')) {\n    return undefined\n  }\n  var def = prop.default;\n  // warn against non-factory defaults for Object & Array\n  if (process.env.NODE_ENV !== 'production' && isObject(def)) {\n    warn(\n      'Invalid default value for prop \"' + key + '\": ' +\n      'Props with type Object/Array must use a factory function ' +\n      'to return the default value.',\n      vm\n    );\n  }\n  // the raw prop value was also undefined from previous render,\n  // return previous default value to avoid unnecessary watcher trigger\n  if (vm && vm.$options.propsData &&\n    vm.$options.propsData[key] === undefined &&\n    vm._props[key] !== undefined\n  ) {\n    return vm._props[key]\n  }\n  // call factory function for non-Function types\n  // a value is Function if its prototype is function even across different execution context\n  return typeof def === 'function' && getType(prop.type) !== 'Function'\n    ? def.call(vm)\n    : def\n}\n\n/**\n * Assert whether a prop is valid.\n */\nfunction assertProp (\n  prop,\n  name,\n  value,\n  vm,\n  absent\n) {\n  if (prop.required && absent) {\n    warn(\n      'Missing required prop: \"' + name + '\"',\n      vm\n    );\n    return\n  }\n  if (value == null && !prop.required) {\n    return\n  }\n  var type = prop.type;\n  var valid = !type || type === true;\n  var expectedTypes = [];\n  if (type) {\n    if (!Array.isArray(type)) {\n      type = [type];\n    }\n    for (var i = 0; i < type.length && !valid; i++) {\n      var assertedType = assertType(value, type[i]);\n      expectedTypes.push(assertedType.expectedType || '');\n      valid = assertedType.valid;\n    }\n  }\n  if (!valid) {\n    warn(\n      \"Invalid prop: type check failed for prop \\\"\" + name + \"\\\".\" +\n      \" Expected \" + (expectedTypes.map(capitalize).join(', ')) +\n      \", got \" + (toRawType(value)) + \".\",\n      vm\n    );\n    return\n  }\n  var validator = prop.validator;\n  if (validator) {\n    if (!validator(value)) {\n      warn(\n        'Invalid prop: custom validator check failed for prop \"' + name + '\".',\n        vm\n      );\n    }\n  }\n}\n\nvar simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;\n\nfunction assertType (value, type) {\n  var valid;\n  var expectedType = getType(type);\n  if (simpleCheckRE.test(expectedType)) {\n    var t = typeof value;\n    valid = t === expectedType.toLowerCase();\n    // for primitive wrapper objects\n    if (!valid && t === 'object') {\n      valid = value instanceof type;\n    }\n  } else if (expectedType === 'Object') {\n    valid = isPlainObject(value);\n  } else if (expectedType === 'Array') {\n    valid = Array.isArray(value);\n  } else {\n    valid = value instanceof type;\n  }\n  return {\n    valid: valid,\n    expectedType: expectedType\n  }\n}\n\n/**\n * Use function string name to check built-in types,\n * because a simple equality check will fail when running\n * across different vms / iframes.\n */\nfunction getType (fn) {\n  var match = fn && fn.toString().match(/^\\s*function (\\w+)/);\n  return match ? match[1] : ''\n}\n\nfunction isType (type, fn) {\n  if (!Array.isArray(fn)) {\n    return getType(fn) === getType(type)\n  }\n  for (var i = 0, len = fn.length; i < len; i++) {\n    if (getType(fn[i]) === getType(type)) {\n      return true\n    }\n  }\n  /* istanbul ignore next */\n  return false\n}\n\n/*  */\n\nfunction handleError (err, vm, info) {\n  if (vm) {\n    var cur = vm;\n    while ((cur = cur.$parent)) {\n      var hooks = cur.$options.errorCaptured;\n      if (hooks) {\n        for (var i = 0; i < hooks.length; i++) {\n          try {\n            var capture = hooks[i].call(cur, err, vm, info) === false;\n            if (capture) { return }\n          } catch (e) {\n            globalHandleError(e, cur, 'errorCaptured hook');\n          }\n        }\n      }\n    }\n  }\n  globalHandleError(err, vm, info);\n}\n\nfunction globalHandleError (err, vm, info) {\n  if (config.errorHandler) {\n    try {\n      return config.errorHandler.call(null, err, vm, info)\n    } catch (e) {\n      logError(e, null, 'config.errorHandler');\n    }\n  }\n  logError(err, vm, info);\n}\n\nfunction logError (err, vm, info) {\n  if (process.env.NODE_ENV !== 'production') {\n    warn((\"Error in \" + info + \": \\\"\" + (err.toString()) + \"\\\"\"), vm);\n  }\n  /* istanbul ignore else */\n  if ((inBrowser || inWeex) && typeof console !== 'undefined') {\n    console.error(err);\n  } else {\n    throw err\n  }\n}\n\n/*  */\n/* globals MessageChannel */\n\nvar callbacks = [];\nvar pending = false;\n\nfunction flushCallbacks () {\n  pending = false;\n  var copies = callbacks.slice(0);\n  callbacks.length = 0;\n  for (var i = 0; i < copies.length; i++) {\n    copies[i]();\n  }\n}\n\n// Here we have async deferring wrappers using both micro and macro tasks.\n// In < 2.4 we used micro tasks everywhere, but there are some scenarios where\n// micro tasks have too high a priority and fires in between supposedly\n// sequential events (e.g. #4521, #6690) or even between bubbling of the same\n// event (#6566). However, using macro tasks everywhere also has subtle problems\n// when state is changed right before repaint (e.g. #6813, out-in transitions).\n// Here we use micro task by default, but expose a way to force macro task when\n// needed (e.g. in event handlers attached by v-on).\nvar microTimerFunc;\nvar macroTimerFunc;\nvar useMacroTask = false;\n\n// Determine (macro) Task defer implementation.\n// Technically setImmediate should be the ideal choice, but it's only available\n// in IE. The only polyfill that consistently queues the callback after all DOM\n// events triggered in the same loop is by using MessageChannel.\n/* istanbul ignore if */\nif (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {\n  macroTimerFunc = function () {\n    setImmediate(flushCallbacks);\n  };\n} else if (typeof MessageChannel !== 'undefined' && (\n  isNative(MessageChannel) ||\n  // PhantomJS\n  MessageChannel.toString() === '[object MessageChannelConstructor]'\n)) {\n  var channel = new MessageChannel();\n  var port = channel.port2;\n  channel.port1.onmessage = flushCallbacks;\n  macroTimerFunc = function () {\n    port.postMessage(1);\n  };\n} else {\n  /* istanbul ignore next */\n  macroTimerFunc = function () {\n    setTimeout(flushCallbacks, 0);\n  };\n}\n\n// Determine MicroTask defer implementation.\n/* istanbul ignore next, $flow-disable-line */\nif (typeof Promise !== 'undefined' && isNative(Promise)) {\n  var p = Promise.resolve();\n  microTimerFunc = function () {\n    p.then(flushCallbacks);\n    // in problematic UIWebViews, Promise.then doesn't completely break, but\n    // it can get stuck in a weird state where callbacks are pushed into the\n    // microtask queue but the queue isn't being flushed, until the browser\n    // needs to do some other work, e.g. handle a timer. Therefore we can\n    // \"force\" the microtask queue to be flushed by adding an empty timer.\n    if (isIOS) { setTimeout(noop); }\n  };\n} else {\n  // fallback to macro\n  microTimerFunc = macroTimerFunc;\n}\n\n/**\n * Wrap a function so that if any code inside triggers state change,\n * the changes are queued using a Task instead of a MicroTask.\n */\nfunction withMacroTask (fn) {\n  return fn._withTask || (fn._withTask = function () {\n    useMacroTask = true;\n    var res = fn.apply(null, arguments);\n    useMacroTask = false;\n    return res\n  })\n}\n\nfunction nextTick (cb, ctx) {\n  var _resolve;\n  callbacks.push(function () {\n    if (cb) {\n      try {\n        cb.call(ctx);\n      } catch (e) {\n        handleError(e, ctx, 'nextTick');\n      }\n    } else if (_resolve) {\n      _resolve(ctx);\n    }\n  });\n  if (!pending) {\n    pending = true;\n    if (useMacroTask) {\n      macroTimerFunc();\n    } else {\n      microTimerFunc();\n    }\n  }\n  // $flow-disable-line\n  if (!cb && typeof Promise !== 'undefined') {\n    return new Promise(function (resolve) {\n      _resolve = resolve;\n    })\n  }\n}\n\n/*  */\n\n/* not type checking this file because flow doesn't play well with Proxy */\n\nvar initProxy;\n\nif (process.env.NODE_ENV !== 'production') {\n  var allowedGlobals = makeMap(\n    'Infinity,undefined,NaN,isFinite,isNaN,' +\n    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +\n    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +\n    'require' // for Webpack/Browserify\n  );\n\n  var warnNonPresent = function (target, key) {\n    warn(\n      \"Property or method \\\"\" + key + \"\\\" is not defined on the instance but \" +\n      'referenced during render. Make sure that this property is reactive, ' +\n      'either in the data option, or for class-based components, by ' +\n      'initializing the property. ' +\n      'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',\n      target\n    );\n  };\n\n  var hasProxy =\n    typeof Proxy !== 'undefined' &&\n    Proxy.toString().match(/native code/);\n\n  if (hasProxy) {\n    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');\n    config.keyCodes = new Proxy(config.keyCodes, {\n      set: function set (target, key, value) {\n        if (isBuiltInModifier(key)) {\n          warn((\"Avoid overwriting built-in modifier in config.keyCodes: .\" + key));\n          return false\n        } else {\n          target[key] = value;\n          return true\n        }\n      }\n    });\n  }\n\n  var hasHandler = {\n    has: function has (target, key) {\n      var has = key in target;\n      var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';\n      if (!has && !isAllowed) {\n        warnNonPresent(target, key);\n      }\n      return has || !isAllowed\n    }\n  };\n\n  var getHandler = {\n    get: function get (target, key) {\n      if (typeof key === 'string' && !(key in target)) {\n        warnNonPresent(target, key);\n      }\n      return target[key]\n    }\n  };\n\n  initProxy = function initProxy (vm) {\n    if (hasProxy) {\n      // determine which proxy handler to use\n      var options = vm.$options;\n      var handlers = options.render && options.render._withStripped\n        ? getHandler\n        : hasHandler;\n      vm._renderProxy = new Proxy(vm, handlers);\n    } else {\n      vm._renderProxy = vm;\n    }\n  };\n}\n\n/*  */\n\nvar seenObjects = new _Set();\n\n/**\n * Recursively traverse an object to evoke all converted\n * getters, so that every nested property inside the object\n * is collected as a \"deep\" dependency.\n */\nfunction traverse (val) {\n  _traverse(val, seenObjects);\n  seenObjects.clear();\n}\n\nfunction _traverse (val, seen) {\n  var i, keys;\n  var isA = Array.isArray(val);\n  if ((!isA && !isObject(val)) || Object.isFrozen(val)) {\n    return\n  }\n  if (val.__ob__) {\n    var depId = val.__ob__.dep.id;\n    if (seen.has(depId)) {\n      return\n    }\n    seen.add(depId);\n  }\n  if (isA) {\n    i = val.length;\n    while (i--) { _traverse(val[i], seen); }\n  } else {\n    keys = Object.keys(val);\n    i = keys.length;\n    while (i--) { _traverse(val[keys[i]], seen); }\n  }\n}\n\nvar mark;\nvar measure;\n\nif (process.env.NODE_ENV !== 'production') {\n  var perf = inBrowser && window.performance;\n  /* istanbul ignore if */\n  if (\n    perf &&\n    perf.mark &&\n    perf.measure &&\n    perf.clearMarks &&\n    perf.clearMeasures\n  ) {\n    mark = function (tag) { return perf.mark(tag); };\n    measure = function (name, startTag, endTag) {\n      perf.measure(name, startTag, endTag);\n      perf.clearMarks(startTag);\n      perf.clearMarks(endTag);\n      perf.clearMeasures(name);\n    };\n  }\n}\n\n/*  */\n\nvar normalizeEvent = cached(function (name) {\n  var passive = name.charAt(0) === '&';\n  name = passive ? name.slice(1) : name;\n  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first\n  name = once$$1 ? name.slice(1) : name;\n  var capture = name.charAt(0) === '!';\n  name = capture ? name.slice(1) : name;\n  return {\n    name: name,\n    once: once$$1,\n    capture: capture,\n    passive: passive\n  }\n});\n\nfunction createFnInvoker (fns) {\n  function invoker () {\n    var arguments$1 = arguments;\n\n    var fns = invoker.fns;\n    if (Array.isArray(fns)) {\n      var cloned = fns.slice();\n      for (var i = 0; i < cloned.length; i++) {\n        cloned[i].apply(null, arguments$1);\n      }\n    } else {\n      // return handler return value for single handlers\n      return fns.apply(null, arguments)\n    }\n  }\n  invoker.fns = fns;\n  return invoker\n}\n\nfunction updateListeners (\n  on,\n  oldOn,\n  add,\n  remove$$1,\n  vm\n) {\n  var name, def, cur, old, event;\n  for (name in on) {\n    def = cur = on[name];\n    old = oldOn[name];\n    event = normalizeEvent(name);\n    /* istanbul ignore if */\n    if (isUndef(cur)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        \"Invalid handler for event \\\"\" + (event.name) + \"\\\": got \" + String(cur),\n        vm\n      );\n    } else if (isUndef(old)) {\n      if (isUndef(cur.fns)) {\n        cur = on[name] = createFnInvoker(cur);\n      }\n      add(event.name, cur, event.once, event.capture, event.passive, event.params);\n    } else if (cur !== old) {\n      old.fns = cur;\n      on[name] = old;\n    }\n  }\n  for (name in oldOn) {\n    if (isUndef(on[name])) {\n      event = normalizeEvent(name);\n      remove$$1(event.name, oldOn[name], event.capture);\n    }\n  }\n}\n\n/*  */\n\nfunction mergeVNodeHook (def, hookKey, hook) {\n  if (def instanceof VNode) {\n    def = def.data.hook || (def.data.hook = {});\n  }\n  var invoker;\n  var oldHook = def[hookKey];\n\n  function wrappedHook () {\n    hook.apply(this, arguments);\n    // important: remove merged hook to ensure it's called only once\n    // and prevent memory leak\n    remove(invoker.fns, wrappedHook);\n  }\n\n  if (isUndef(oldHook)) {\n    // no existing hook\n    invoker = createFnInvoker([wrappedHook]);\n  } else {\n    /* istanbul ignore if */\n    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {\n      // already a merged invoker\n      invoker = oldHook;\n      invoker.fns.push(wrappedHook);\n    } else {\n      // existing plain hook\n      invoker = createFnInvoker([oldHook, wrappedHook]);\n    }\n  }\n\n  invoker.merged = true;\n  def[hookKey] = invoker;\n}\n\n/*  */\n\nfunction extractPropsFromVNodeData (\n  data,\n  Ctor,\n  tag\n) {\n  // we are only extracting raw values here.\n  // validation and default values are handled in the child\n  // component itself.\n  var propOptions = Ctor.options.props;\n  if (isUndef(propOptions)) {\n    return\n  }\n  var res = {};\n  var attrs = data.attrs;\n  var props = data.props;\n  if (isDef(attrs) || isDef(props)) {\n    for (var key in propOptions) {\n      var altKey = hyphenate(key);\n      if (process.env.NODE_ENV !== 'production') {\n        var keyInLowerCase = key.toLowerCase();\n        if (\n          key !== keyInLowerCase &&\n          attrs && hasOwn(attrs, keyInLowerCase)\n        ) {\n          tip(\n            \"Prop \\\"\" + keyInLowerCase + \"\\\" is passed to component \" +\n            (formatComponentName(tag || Ctor)) + \", but the declared prop name is\" +\n            \" \\\"\" + key + \"\\\". \" +\n            \"Note that HTML attributes are case-insensitive and camelCased \" +\n            \"props need to use their kebab-case equivalents when using in-DOM \" +\n            \"templates. You should probably use \\\"\" + altKey + \"\\\" instead of \\\"\" + key + \"\\\".\"\n          );\n        }\n      }\n      checkProp(res, props, key, altKey, true) ||\n      checkProp(res, attrs, key, altKey, false);\n    }\n  }\n  return res\n}\n\nfunction checkProp (\n  res,\n  hash,\n  key,\n  altKey,\n  preserve\n) {\n  if (isDef(hash)) {\n    if (hasOwn(hash, key)) {\n      res[key] = hash[key];\n      if (!preserve) {\n        delete hash[key];\n      }\n      return true\n    } else if (hasOwn(hash, altKey)) {\n      res[key] = hash[altKey];\n      if (!preserve) {\n        delete hash[altKey];\n      }\n      return true\n    }\n  }\n  return false\n}\n\n/*  */\n\n// The template compiler attempts to minimize the need for normalization by\n// statically analyzing the template at compile time.\n//\n// For plain HTML markup, normalization can be completely skipped because the\n// generated render function is guaranteed to return Array<VNode>. There are\n// two cases where extra normalization is needed:\n\n// 1. When the children contains components - because a functional component\n// may return an Array instead of a single root. In this case, just a simple\n// normalization is needed - if any child is an Array, we flatten the whole\n// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep\n// because functional components already normalize their own children.\nfunction simpleNormalizeChildren (children) {\n  for (var i = 0; i < children.length; i++) {\n    if (Array.isArray(children[i])) {\n      return Array.prototype.concat.apply([], children)\n    }\n  }\n  return children\n}\n\n// 2. When the children contains constructs that always generated nested Arrays,\n// e.g. <template>, <slot>, v-for, or when the children is provided by user\n// with hand-written render functions / JSX. In such cases a full normalization\n// is needed to cater to all possible types of children values.\nfunction normalizeChildren (children) {\n  return isPrimitive(children)\n    ? [createTextVNode(children)]\n    : Array.isArray(children)\n      ? normalizeArrayChildren(children)\n      : undefined\n}\n\nfunction isTextNode (node) {\n  return isDef(node) && isDef(node.text) && isFalse(node.isComment)\n}\n\nfunction normalizeArrayChildren (children, nestedIndex) {\n  var res = [];\n  var i, c, lastIndex, last;\n  for (i = 0; i < children.length; i++) {\n    c = children[i];\n    if (isUndef(c) || typeof c === 'boolean') { continue }\n    lastIndex = res.length - 1;\n    last = res[lastIndex];\n    //  nested\n    if (Array.isArray(c)) {\n      if (c.length > 0) {\n        c = normalizeArrayChildren(c, ((nestedIndex || '') + \"_\" + i));\n        // merge adjacent text nodes\n        if (isTextNode(c[0]) && isTextNode(last)) {\n          res[lastIndex] = createTextVNode(last.text + (c[0]).text);\n          c.shift();\n        }\n        res.push.apply(res, c);\n      }\n    } else if (isPrimitive(c)) {\n      if (isTextNode(last)) {\n        // merge adjacent text nodes\n        // this is necessary for SSR hydration because text nodes are\n        // essentially merged when rendered to HTML strings\n        res[lastIndex] = createTextVNode(last.text + c);\n      } else if (c !== '') {\n        // convert primitive to vnode\n        res.push(createTextVNode(c));\n      }\n    } else {\n      if (isTextNode(c) && isTextNode(last)) {\n        // merge adjacent text nodes\n        res[lastIndex] = createTextVNode(last.text + c.text);\n      } else {\n        // default key for nested array children (likely generated by v-for)\n        if (isTrue(children._isVList) &&\n          isDef(c.tag) &&\n          isUndef(c.key) &&\n          isDef(nestedIndex)) {\n          c.key = \"__vlist\" + nestedIndex + \"_\" + i + \"__\";\n        }\n        res.push(c);\n      }\n    }\n  }\n  return res\n}\n\n/*  */\n\nfunction ensureCtor (comp, base) {\n  if (\n    comp.__esModule ||\n    (hasSymbol && comp[Symbol.toStringTag] === 'Module')\n  ) {\n    comp = comp.default;\n  }\n  return isObject(comp)\n    ? base.extend(comp)\n    : comp\n}\n\nfunction createAsyncPlaceholder (\n  factory,\n  data,\n  context,\n  children,\n  tag\n) {\n  var node = createEmptyVNode();\n  node.asyncFactory = factory;\n  node.asyncMeta = { data: data, context: context, children: children, tag: tag };\n  return node\n}\n\nfunction resolveAsyncComponent (\n  factory,\n  baseCtor,\n  context\n) {\n  if (isTrue(factory.error) && isDef(factory.errorComp)) {\n    return factory.errorComp\n  }\n\n  if (isDef(factory.resolved)) {\n    return factory.resolved\n  }\n\n  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {\n    return factory.loadingComp\n  }\n\n  if (isDef(factory.contexts)) {\n    // already pending\n    factory.contexts.push(context);\n  } else {\n    var contexts = factory.contexts = [context];\n    var sync = true;\n\n    var forceRender = function () {\n      for (var i = 0, l = contexts.length; i < l; i++) {\n        contexts[i].$forceUpdate();\n      }\n    };\n\n    var resolve = once(function (res) {\n      // cache resolved\n      factory.resolved = ensureCtor(res, baseCtor);\n      // invoke callbacks only if this is not a synchronous resolve\n      // (async resolves are shimmed as synchronous during SSR)\n      if (!sync) {\n        forceRender();\n      }\n    });\n\n    var reject = once(function (reason) {\n      process.env.NODE_ENV !== 'production' && warn(\n        \"Failed to resolve async component: \" + (String(factory)) +\n        (reason ? (\"\\nReason: \" + reason) : '')\n      );\n      if (isDef(factory.errorComp)) {\n        factory.error = true;\n        forceRender();\n      }\n    });\n\n    var res = factory(resolve, reject);\n\n    if (isObject(res)) {\n      if (typeof res.then === 'function') {\n        // () => Promise\n        if (isUndef(factory.resolved)) {\n          res.then(resolve, reject);\n        }\n      } else if (isDef(res.component) && typeof res.component.then === 'function') {\n        res.component.then(resolve, reject);\n\n        if (isDef(res.error)) {\n          factory.errorComp = ensureCtor(res.error, baseCtor);\n        }\n\n        if (isDef(res.loading)) {\n          factory.loadingComp = ensureCtor(res.loading, baseCtor);\n          if (res.delay === 0) {\n            factory.loading = true;\n          } else {\n            setTimeout(function () {\n              if (isUndef(factory.resolved) && isUndef(factory.error)) {\n                factory.loading = true;\n                forceRender();\n              }\n            }, res.delay || 200);\n          }\n        }\n\n        if (isDef(res.timeout)) {\n          setTimeout(function () {\n            if (isUndef(factory.resolved)) {\n              reject(\n                process.env.NODE_ENV !== 'production'\n                  ? (\"timeout (\" + (res.timeout) + \"ms)\")\n                  : null\n              );\n            }\n          }, res.timeout);\n        }\n      }\n    }\n\n    sync = false;\n    // return in case resolved synchronously\n    return factory.loading\n      ? factory.loadingComp\n      : factory.resolved\n  }\n}\n\n/*  */\n\nfunction isAsyncPlaceholder (node) {\n  return node.isComment && node.asyncFactory\n}\n\n/*  */\n\nfunction getFirstComponentChild (children) {\n  if (Array.isArray(children)) {\n    for (var i = 0; i < children.length; i++) {\n      var c = children[i];\n      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {\n        return c\n      }\n    }\n  }\n}\n\n/*  */\n\n/*  */\n\nfunction initEvents (vm) {\n  vm._events = Object.create(null);\n  vm._hasHookEvent = false;\n  // init parent attached events\n  var listeners = vm.$options._parentListeners;\n  if (listeners) {\n    updateComponentListeners(vm, listeners);\n  }\n}\n\nvar target;\n\nfunction add (event, fn, once) {\n  if (once) {\n    target.$once(event, fn);\n  } else {\n    target.$on(event, fn);\n  }\n}\n\nfunction remove$1 (event, fn) {\n  target.$off(event, fn);\n}\n\nfunction updateComponentListeners (\n  vm,\n  listeners,\n  oldListeners\n) {\n  target = vm;\n  updateListeners(listeners, oldListeners || {}, add, remove$1, vm);\n  target = undefined;\n}\n\nfunction eventsMixin (Vue) {\n  var hookRE = /^hook:/;\n  Vue.prototype.$on = function (event, fn) {\n    var this$1 = this;\n\n    var vm = this;\n    if (Array.isArray(event)) {\n      for (var i = 0, l = event.length; i < l; i++) {\n        this$1.$on(event[i], fn);\n      }\n    } else {\n      (vm._events[event] || (vm._events[event] = [])).push(fn);\n      // optimize hook:event cost by using a boolean flag marked at registration\n      // instead of a hash lookup\n      if (hookRE.test(event)) {\n        vm._hasHookEvent = true;\n      }\n    }\n    return vm\n  };\n\n  Vue.prototype.$once = function (event, fn) {\n    var vm = this;\n    function on () {\n      vm.$off(event, on);\n      fn.apply(vm, arguments);\n    }\n    on.fn = fn;\n    vm.$on(event, on);\n    return vm\n  };\n\n  Vue.prototype.$off = function (event, fn) {\n    var this$1 = this;\n\n    var vm = this;\n    // all\n    if (!arguments.length) {\n      vm._events = Object.create(null);\n      return vm\n    }\n    // array of events\n    if (Array.isArray(event)) {\n      for (var i = 0, l = event.length; i < l; i++) {\n        this$1.$off(event[i], fn);\n      }\n      return vm\n    }\n    // specific event\n    var cbs = vm._events[event];\n    if (!cbs) {\n      return vm\n    }\n    if (!fn) {\n      vm._events[event] = null;\n      return vm\n    }\n    if (fn) {\n      // specific handler\n      var cb;\n      var i$1 = cbs.length;\n      while (i$1--) {\n        cb = cbs[i$1];\n        if (cb === fn || cb.fn === fn) {\n          cbs.splice(i$1, 1);\n          break\n        }\n      }\n    }\n    return vm\n  };\n\n  Vue.prototype.$emit = function (event) {\n    var vm = this;\n    if (process.env.NODE_ENV !== 'production') {\n      var lowerCaseEvent = event.toLowerCase();\n      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {\n        tip(\n          \"Event \\\"\" + lowerCaseEvent + \"\\\" is emitted in component \" +\n          (formatComponentName(vm)) + \" but the handler is registered for \\\"\" + event + \"\\\". \" +\n          \"Note that HTML attributes are case-insensitive and you cannot use \" +\n          \"v-on to listen to camelCase events when using in-DOM templates. \" +\n          \"You should probably use \\\"\" + (hyphenate(event)) + \"\\\" instead of \\\"\" + event + \"\\\".\"\n        );\n      }\n    }\n    var cbs = vm._events[event];\n    if (cbs) {\n      cbs = cbs.length > 1 ? toArray(cbs) : cbs;\n      var args = toArray(arguments, 1);\n      for (var i = 0, l = cbs.length; i < l; i++) {\n        try {\n          cbs[i].apply(vm, args);\n        } catch (e) {\n          handleError(e, vm, (\"event handler for \\\"\" + event + \"\\\"\"));\n        }\n      }\n    }\n    return vm\n  };\n}\n\n/*  */\n\n\n\n/**\n * Runtime helper for resolving raw children VNodes into a slot object.\n */\nfunction resolveSlots (\n  children,\n  context\n) {\n  var slots = {};\n  if (!children) {\n    return slots\n  }\n  for (var i = 0, l = children.length; i < l; i++) {\n    var child = children[i];\n    var data = child.data;\n    // remove slot attribute if the node is resolved as a Vue slot node\n    if (data && data.attrs && data.attrs.slot) {\n      delete data.attrs.slot;\n    }\n    // named slots should only be respected if the vnode was rendered in the\n    // same context.\n    if ((child.context === context || child.fnContext === context) &&\n      data && data.slot != null\n    ) {\n      var name = data.slot;\n      var slot = (slots[name] || (slots[name] = []));\n      if (child.tag === 'template') {\n        slot.push.apply(slot, child.children || []);\n      } else {\n        slot.push(child);\n      }\n    } else {\n      (slots.default || (slots.default = [])).push(child);\n    }\n  }\n  // ignore slots that contains only whitespace\n  for (var name$1 in slots) {\n    if (slots[name$1].every(isWhitespace)) {\n      delete slots[name$1];\n    }\n  }\n  return slots\n}\n\nfunction isWhitespace (node) {\n  return (node.isComment && !node.asyncFactory) || node.text === ' '\n}\n\nfunction resolveScopedSlots (\n  fns, // see flow/vnode\n  res\n) {\n  res = res || {};\n  for (var i = 0; i < fns.length; i++) {\n    if (Array.isArray(fns[i])) {\n      resolveScopedSlots(fns[i], res);\n    } else {\n      res[fns[i].key] = fns[i].fn;\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar activeInstance = null;\nvar isUpdatingChildComponent = false;\n\nfunction initLifecycle (vm) {\n  var options = vm.$options;\n\n  // locate first non-abstract parent\n  var parent = options.parent;\n  if (parent && !options.abstract) {\n    while (parent.$options.abstract && parent.$parent) {\n      parent = parent.$parent;\n    }\n    parent.$children.push(vm);\n  }\n\n  vm.$parent = parent;\n  vm.$root = parent ? parent.$root : vm;\n\n  vm.$children = [];\n  vm.$refs = {};\n\n  vm._watcher = null;\n  vm._inactive = null;\n  vm._directInactive = false;\n  vm._isMounted = false;\n  vm._isDestroyed = false;\n  vm._isBeingDestroyed = false;\n}\n\nfunction lifecycleMixin (Vue) {\n  Vue.prototype._update = function (vnode, hydrating) {\n    var vm = this;\n    if (vm._isMounted) {\n      callHook(vm, 'beforeUpdate');\n    }\n    var prevEl = vm.$el;\n    var prevVnode = vm._vnode;\n    var prevActiveInstance = activeInstance;\n    activeInstance = vm;\n    vm._vnode = vnode;\n    // Vue.prototype.__patch__ is injected in entry points\n    // based on the rendering backend used.\n    if (!prevVnode) {\n      // initial render\n      vm.$el = vm.__patch__(\n        vm.$el, vnode, hydrating, false /* removeOnly */,\n        vm.$options._parentElm,\n        vm.$options._refElm\n      );\n      // no need for the ref nodes after initial patch\n      // this prevents keeping a detached DOM tree in memory (#5851)\n      vm.$options._parentElm = vm.$options._refElm = null;\n    } else {\n      // updates\n      vm.$el = vm.__patch__(prevVnode, vnode);\n    }\n    activeInstance = prevActiveInstance;\n    // update __vue__ reference\n    if (prevEl) {\n      prevEl.__vue__ = null;\n    }\n    if (vm.$el) {\n      vm.$el.__vue__ = vm;\n    }\n    // if parent is an HOC, update its $el as well\n    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {\n      vm.$parent.$el = vm.$el;\n    }\n    // updated hook is called by the scheduler to ensure that children are\n    // updated in a parent's updated hook.\n  };\n\n  Vue.prototype.$forceUpdate = function () {\n    var vm = this;\n    if (vm._watcher) {\n      vm._watcher.update();\n    }\n  };\n\n  Vue.prototype.$destroy = function () {\n    var vm = this;\n    if (vm._isBeingDestroyed) {\n      return\n    }\n    callHook(vm, 'beforeDestroy');\n    vm._isBeingDestroyed = true;\n    // remove self from parent\n    var parent = vm.$parent;\n    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {\n      remove(parent.$children, vm);\n    }\n    // teardown watchers\n    if (vm._watcher) {\n      vm._watcher.teardown();\n    }\n    var i = vm._watchers.length;\n    while (i--) {\n      vm._watchers[i].teardown();\n    }\n    // remove reference from data ob\n    // frozen object may not have observer.\n    if (vm._data.__ob__) {\n      vm._data.__ob__.vmCount--;\n    }\n    // call the last hook...\n    vm._isDestroyed = true;\n    // invoke destroy hooks on current rendered tree\n    vm.__patch__(vm._vnode, null);\n    // fire destroyed hook\n    callHook(vm, 'destroyed');\n    // turn off all instance listeners.\n    vm.$off();\n    // remove __vue__ reference\n    if (vm.$el) {\n      vm.$el.__vue__ = null;\n    }\n    // release circular reference (#6759)\n    if (vm.$vnode) {\n      vm.$vnode.parent = null;\n    }\n  };\n}\n\nfunction mountComponent (\n  vm,\n  el,\n  hydrating\n) {\n  vm.$el = el;\n  if (!vm.$options.render) {\n    vm.$options.render = createEmptyVNode;\n    if (process.env.NODE_ENV !== 'production') {\n      /* istanbul ignore if */\n      if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||\n        vm.$options.el || el) {\n        warn(\n          'You are using the runtime-only build of Vue where the template ' +\n          'compiler is not available. Either pre-compile the templates into ' +\n          'render functions, or use the compiler-included build.',\n          vm\n        );\n      } else {\n        warn(\n          'Failed to mount component: template or render function not defined.',\n          vm\n        );\n      }\n    }\n  }\n  callHook(vm, 'beforeMount');\n\n  var updateComponent;\n  /* istanbul ignore if */\n  if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n    updateComponent = function () {\n      var name = vm._name;\n      var id = vm._uid;\n      var startTag = \"vue-perf-start:\" + id;\n      var endTag = \"vue-perf-end:\" + id;\n\n      mark(startTag);\n      var vnode = vm._render();\n      mark(endTag);\n      measure((\"vue \" + name + \" render\"), startTag, endTag);\n\n      mark(startTag);\n      vm._update(vnode, hydrating);\n      mark(endTag);\n      measure((\"vue \" + name + \" patch\"), startTag, endTag);\n    };\n  } else {\n    updateComponent = function () {\n      vm._update(vm._render(), hydrating);\n    };\n  }\n\n  // we set this to vm._watcher inside the watcher's constructor\n  // since the watcher's initial patch may call $forceUpdate (e.g. inside child\n  // component's mounted hook), which relies on vm._watcher being already defined\n  new Watcher(vm, updateComponent, noop, null, true /* isRenderWatcher */);\n  hydrating = false;\n\n  // manually mounted instance, call mounted on self\n  // mounted is called for render-created child components in its inserted hook\n  if (vm.$vnode == null) {\n    vm._isMounted = true;\n    callHook(vm, 'mounted');\n  }\n  return vm\n}\n\nfunction updateChildComponent (\n  vm,\n  propsData,\n  listeners,\n  parentVnode,\n  renderChildren\n) {\n  if (process.env.NODE_ENV !== 'production') {\n    isUpdatingChildComponent = true;\n  }\n\n  // determine whether component has slot children\n  // we need to do this before overwriting $options._renderChildren\n  var hasChildren = !!(\n    renderChildren ||               // has new static slots\n    vm.$options._renderChildren ||  // has old static slots\n    parentVnode.data.scopedSlots || // has new scoped slots\n    vm.$scopedSlots !== emptyObject // has old scoped slots\n  );\n\n  vm.$options._parentVnode = parentVnode;\n  vm.$vnode = parentVnode; // update vm's placeholder node without re-render\n\n  if (vm._vnode) { // update child tree's parent\n    vm._vnode.parent = parentVnode;\n  }\n  vm.$options._renderChildren = renderChildren;\n\n  // update $attrs and $listeners hash\n  // these are also reactive so they may trigger child update if the child\n  // used them during render\n  vm.$attrs = (parentVnode.data && parentVnode.data.attrs) || emptyObject;\n  vm.$listeners = listeners || emptyObject;\n\n  // update props\n  if (propsData && vm.$options.props) {\n    observerState.shouldConvert = false;\n    var props = vm._props;\n    var propKeys = vm.$options._propKeys || [];\n    for (var i = 0; i < propKeys.length; i++) {\n      var key = propKeys[i];\n      props[key] = validateProp(key, vm.$options.props, propsData, vm);\n    }\n    observerState.shouldConvert = true;\n    // keep a copy of raw propsData\n    vm.$options.propsData = propsData;\n  }\n\n  // update listeners\n  if (listeners) {\n    var oldListeners = vm.$options._parentListeners;\n    vm.$options._parentListeners = listeners;\n    updateComponentListeners(vm, listeners, oldListeners);\n  }\n  // resolve slots + force update if has children\n  if (hasChildren) {\n    vm.$slots = resolveSlots(renderChildren, parentVnode.context);\n    vm.$forceUpdate();\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    isUpdatingChildComponent = false;\n  }\n}\n\nfunction isInInactiveTree (vm) {\n  while (vm && (vm = vm.$parent)) {\n    if (vm._inactive) { return true }\n  }\n  return false\n}\n\nfunction activateChildComponent (vm, direct) {\n  if (direct) {\n    vm._directInactive = false;\n    if (isInInactiveTree(vm)) {\n      return\n    }\n  } else if (vm._directInactive) {\n    return\n  }\n  if (vm._inactive || vm._inactive === null) {\n    vm._inactive = false;\n    for (var i = 0; i < vm.$children.length; i++) {\n      activateChildComponent(vm.$children[i]);\n    }\n    callHook(vm, 'activated');\n  }\n}\n\nfunction deactivateChildComponent (vm, direct) {\n  if (direct) {\n    vm._directInactive = true;\n    if (isInInactiveTree(vm)) {\n      return\n    }\n  }\n  if (!vm._inactive) {\n    vm._inactive = true;\n    for (var i = 0; i < vm.$children.length; i++) {\n      deactivateChildComponent(vm.$children[i]);\n    }\n    callHook(vm, 'deactivated');\n  }\n}\n\nfunction callHook (vm, hook) {\n  var handlers = vm.$options[hook];\n  if (handlers) {\n    for (var i = 0, j = handlers.length; i < j; i++) {\n      try {\n        handlers[i].call(vm);\n      } catch (e) {\n        handleError(e, vm, (hook + \" hook\"));\n      }\n    }\n  }\n  if (vm._hasHookEvent) {\n    vm.$emit('hook:' + hook);\n  }\n}\n\n/*  */\n\n\nvar MAX_UPDATE_COUNT = 100;\n\nvar queue = [];\nvar activatedChildren = [];\nvar has = {};\nvar circular = {};\nvar waiting = false;\nvar flushing = false;\nvar index = 0;\n\n/**\n * Reset the scheduler's state.\n */\nfunction resetSchedulerState () {\n  index = queue.length = activatedChildren.length = 0;\n  has = {};\n  if (process.env.NODE_ENV !== 'production') {\n    circular = {};\n  }\n  waiting = flushing = false;\n}\n\n/**\n * Flush both queues and run the watchers.\n */\nfunction flushSchedulerQueue () {\n  flushing = true;\n  var watcher, id;\n\n  // Sort queue before flush.\n  // This ensures that:\n  // 1. Components are updated from parent to child. (because parent is always\n  //    created before the child)\n  // 2. A component's user watchers are run before its render watcher (because\n  //    user watchers are created before the render watcher)\n  // 3. If a component is destroyed during a parent component's watcher run,\n  //    its watchers can be skipped.\n  queue.sort(function (a, b) { return a.id - b.id; });\n\n  // do not cache length because more watchers might be pushed\n  // as we run existing watchers\n  for (index = 0; index < queue.length; index++) {\n    watcher = queue[index];\n    id = watcher.id;\n    has[id] = null;\n    watcher.run();\n    // in dev build, check and stop circular updates.\n    if (process.env.NODE_ENV !== 'production' && has[id] != null) {\n      circular[id] = (circular[id] || 0) + 1;\n      if (circular[id] > MAX_UPDATE_COUNT) {\n        warn(\n          'You may have an infinite update loop ' + (\n            watcher.user\n              ? (\"in watcher with expression \\\"\" + (watcher.expression) + \"\\\"\")\n              : \"in a component render function.\"\n          ),\n          watcher.vm\n        );\n        break\n      }\n    }\n  }\n\n  // keep copies of post queues before resetting state\n  var activatedQueue = activatedChildren.slice();\n  var updatedQueue = queue.slice();\n\n  resetSchedulerState();\n\n  // call component updated and activated hooks\n  callActivatedHooks(activatedQueue);\n  callUpdatedHooks(updatedQueue);\n\n  // devtool hook\n  /* istanbul ignore if */\n  if (devtools && config.devtools) {\n    devtools.emit('flush');\n  }\n}\n\nfunction callUpdatedHooks (queue) {\n  var i = queue.length;\n  while (i--) {\n    var watcher = queue[i];\n    var vm = watcher.vm;\n    if (vm._watcher === watcher && vm._isMounted) {\n      callHook(vm, 'updated');\n    }\n  }\n}\n\n/**\n * Queue a kept-alive component that was activated during patch.\n * The queue will be processed after the entire tree has been patched.\n */\nfunction queueActivatedComponent (vm) {\n  // setting _inactive to false here so that a render function can\n  // rely on checking whether it's in an inactive tree (e.g. router-view)\n  vm._inactive = false;\n  activatedChildren.push(vm);\n}\n\nfunction callActivatedHooks (queue) {\n  for (var i = 0; i < queue.length; i++) {\n    queue[i]._inactive = true;\n    activateChildComponent(queue[i], true /* true */);\n  }\n}\n\n/**\n * Push a watcher into the watcher queue.\n * Jobs with duplicate IDs will be skipped unless it's\n * pushed when the queue is being flushed.\n */\nfunction queueWatcher (watcher) {\n  var id = watcher.id;\n  if (has[id] == null) {\n    has[id] = true;\n    if (!flushing) {\n      queue.push(watcher);\n    } else {\n      // if already flushing, splice the watcher based on its id\n      // if already past its id, it will be run next immediately.\n      var i = queue.length - 1;\n      while (i > index && queue[i].id > watcher.id) {\n        i--;\n      }\n      queue.splice(i + 1, 0, watcher);\n    }\n    // queue the flush\n    if (!waiting) {\n      waiting = true;\n      nextTick(flushSchedulerQueue);\n    }\n  }\n}\n\n/*  */\n\nvar uid$2 = 0;\n\n/**\n * A watcher parses an expression, collects dependencies,\n * and fires callback when the expression value changes.\n * This is used for both the $watch() api and directives.\n */\nvar Watcher = function Watcher (\n  vm,\n  expOrFn,\n  cb,\n  options,\n  isRenderWatcher\n) {\n  this.vm = vm;\n  if (isRenderWatcher) {\n    vm._watcher = this;\n  }\n  vm._watchers.push(this);\n  // options\n  if (options) {\n    this.deep = !!options.deep;\n    this.user = !!options.user;\n    this.lazy = !!options.lazy;\n    this.sync = !!options.sync;\n  } else {\n    this.deep = this.user = this.lazy = this.sync = false;\n  }\n  this.cb = cb;\n  this.id = ++uid$2; // uid for batching\n  this.active = true;\n  this.dirty = this.lazy; // for lazy watchers\n  this.deps = [];\n  this.newDeps = [];\n  this.depIds = new _Set();\n  this.newDepIds = new _Set();\n  this.expression = process.env.NODE_ENV !== 'production'\n    ? expOrFn.toString()\n    : '';\n  // parse expression for getter\n  if (typeof expOrFn === 'function') {\n    this.getter = expOrFn;\n  } else {\n    this.getter = parsePath(expOrFn);\n    if (!this.getter) {\n      this.getter = function () {};\n      process.env.NODE_ENV !== 'production' && warn(\n        \"Failed watching path: \\\"\" + expOrFn + \"\\\" \" +\n        'Watcher only accepts simple dot-delimited paths. ' +\n        'For full control, use a function instead.',\n        vm\n      );\n    }\n  }\n  this.value = this.lazy\n    ? undefined\n    : this.get();\n};\n\n/**\n * Evaluate the getter, and re-collect dependencies.\n */\nWatcher.prototype.get = function get () {\n  pushTarget(this);\n  var value;\n  var vm = this.vm;\n  try {\n    value = this.getter.call(vm, vm);\n  } catch (e) {\n    if (this.user) {\n      handleError(e, vm, (\"getter for watcher \\\"\" + (this.expression) + \"\\\"\"));\n    } else {\n      throw e\n    }\n  } finally {\n    // \"touch\" every property so they are all tracked as\n    // dependencies for deep watching\n    if (this.deep) {\n      traverse(value);\n    }\n    popTarget();\n    this.cleanupDeps();\n  }\n  return value\n};\n\n/**\n * Add a dependency to this directive.\n */\nWatcher.prototype.addDep = function addDep (dep) {\n  var id = dep.id;\n  if (!this.newDepIds.has(id)) {\n    this.newDepIds.add(id);\n    this.newDeps.push(dep);\n    if (!this.depIds.has(id)) {\n      dep.addSub(this);\n    }\n  }\n};\n\n/**\n * Clean up for dependency collection.\n */\nWatcher.prototype.cleanupDeps = function cleanupDeps () {\n    var this$1 = this;\n\n  var i = this.deps.length;\n  while (i--) {\n    var dep = this$1.deps[i];\n    if (!this$1.newDepIds.has(dep.id)) {\n      dep.removeSub(this$1);\n    }\n  }\n  var tmp = this.depIds;\n  this.depIds = this.newDepIds;\n  this.newDepIds = tmp;\n  this.newDepIds.clear();\n  tmp = this.deps;\n  this.deps = this.newDeps;\n  this.newDeps = tmp;\n  this.newDeps.length = 0;\n};\n\n/**\n * Subscriber interface.\n * Will be called when a dependency changes.\n */\nWatcher.prototype.update = function update () {\n  /* istanbul ignore else */\n  if (this.lazy) {\n    this.dirty = true;\n  } else if (this.sync) {\n    this.run();\n  } else {\n    queueWatcher(this);\n  }\n};\n\n/**\n * Scheduler job interface.\n * Will be called by the scheduler.\n */\nWatcher.prototype.run = function run () {\n  if (this.active) {\n    var value = this.get();\n    if (\n      value !== this.value ||\n      // Deep watchers and watchers on Object/Arrays should fire even\n      // when the value is the same, because the value may\n      // have mutated.\n      isObject(value) ||\n      this.deep\n    ) {\n      // set new value\n      var oldValue = this.value;\n      this.value = value;\n      if (this.user) {\n        try {\n          this.cb.call(this.vm, value, oldValue);\n        } catch (e) {\n          handleError(e, this.vm, (\"callback for watcher \\\"\" + (this.expression) + \"\\\"\"));\n        }\n      } else {\n        this.cb.call(this.vm, value, oldValue);\n      }\n    }\n  }\n};\n\n/**\n * Evaluate the value of the watcher.\n * This only gets called for lazy watchers.\n */\nWatcher.prototype.evaluate = function evaluate () {\n  this.value = this.get();\n  this.dirty = false;\n};\n\n/**\n * Depend on all deps collected by this watcher.\n */\nWatcher.prototype.depend = function depend () {\n    var this$1 = this;\n\n  var i = this.deps.length;\n  while (i--) {\n    this$1.deps[i].depend();\n  }\n};\n\n/**\n * Remove self from all dependencies' subscriber list.\n */\nWatcher.prototype.teardown = function teardown () {\n    var this$1 = this;\n\n  if (this.active) {\n    // remove self from vm's watcher list\n    // this is a somewhat expensive operation so we skip it\n    // if the vm is being destroyed.\n    if (!this.vm._isBeingDestroyed) {\n      remove(this.vm._watchers, this);\n    }\n    var i = this.deps.length;\n    while (i--) {\n      this$1.deps[i].removeSub(this$1);\n    }\n    this.active = false;\n  }\n};\n\n/*  */\n\nvar sharedPropertyDefinition = {\n  enumerable: true,\n  configurable: true,\n  get: noop,\n  set: noop\n};\n\nfunction proxy (target, sourceKey, key) {\n  sharedPropertyDefinition.get = function proxyGetter () {\n    return this[sourceKey][key]\n  };\n  sharedPropertyDefinition.set = function proxySetter (val) {\n    this[sourceKey][key] = val;\n  };\n  Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction initState (vm) {\n  vm._watchers = [];\n  var opts = vm.$options;\n  if (opts.props) { initProps(vm, opts.props); }\n  if (opts.methods) { initMethods(vm, opts.methods); }\n  if (opts.data) {\n    initData(vm);\n  } else {\n    observe(vm._data = {}, true /* asRootData */);\n  }\n  if (opts.computed) { initComputed(vm, opts.computed); }\n  if (opts.watch && opts.watch !== nativeWatch) {\n    initWatch(vm, opts.watch);\n  }\n}\n\nfunction initProps (vm, propsOptions) {\n  var propsData = vm.$options.propsData || {};\n  var props = vm._props = {};\n  // cache prop keys so that future props updates can iterate using Array\n  // instead of dynamic object key enumeration.\n  var keys = vm.$options._propKeys = [];\n  var isRoot = !vm.$parent;\n  // root instance props should be converted\n  observerState.shouldConvert = isRoot;\n  var loop = function ( key ) {\n    keys.push(key);\n    var value = validateProp(key, propsOptions, propsData, vm);\n    /* istanbul ignore else */\n    if (process.env.NODE_ENV !== 'production') {\n      var hyphenatedKey = hyphenate(key);\n      if (isReservedAttribute(hyphenatedKey) ||\n          config.isReservedAttr(hyphenatedKey)) {\n        warn(\n          (\"\\\"\" + hyphenatedKey + \"\\\" is a reserved attribute and cannot be used as component prop.\"),\n          vm\n        );\n      }\n      defineReactive(props, key, value, function () {\n        if (vm.$parent && !isUpdatingChildComponent) {\n          warn(\n            \"Avoid mutating a prop directly since the value will be \" +\n            \"overwritten whenever the parent component re-renders. \" +\n            \"Instead, use a data or computed property based on the prop's \" +\n            \"value. Prop being mutated: \\\"\" + key + \"\\\"\",\n            vm\n          );\n        }\n      });\n    } else {\n      defineReactive(props, key, value);\n    }\n    // static props are already proxied on the component's prototype\n    // during Vue.extend(). We only need to proxy props defined at\n    // instantiation here.\n    if (!(key in vm)) {\n      proxy(vm, \"_props\", key);\n    }\n  };\n\n  for (var key in propsOptions) loop( key );\n  observerState.shouldConvert = true;\n}\n\nfunction initData (vm) {\n  var data = vm.$options.data;\n  data = vm._data = typeof data === 'function'\n    ? getData(data, vm)\n    : data || {};\n  if (!isPlainObject(data)) {\n    data = {};\n    process.env.NODE_ENV !== 'production' && warn(\n      'data functions should return an object:\\n' +\n      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',\n      vm\n    );\n  }\n  // proxy data on instance\n  var keys = Object.keys(data);\n  var props = vm.$options.props;\n  var methods = vm.$options.methods;\n  var i = keys.length;\n  while (i--) {\n    var key = keys[i];\n    if (process.env.NODE_ENV !== 'production') {\n      if (methods && hasOwn(methods, key)) {\n        warn(\n          (\"Method \\\"\" + key + \"\\\" has already been defined as a data property.\"),\n          vm\n        );\n      }\n    }\n    if (props && hasOwn(props, key)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        \"The data property \\\"\" + key + \"\\\" is already declared as a prop. \" +\n        \"Use prop default value instead.\",\n        vm\n      );\n    } else if (!isReserved(key)) {\n      proxy(vm, \"_data\", key);\n    }\n  }\n  // observe data\n  observe(data, true /* asRootData */);\n}\n\nfunction getData (data, vm) {\n  try {\n    return data.call(vm, vm)\n  } catch (e) {\n    handleError(e, vm, \"data()\");\n    return {}\n  }\n}\n\nvar computedWatcherOptions = { lazy: true };\n\nfunction initComputed (vm, computed) {\n  // $flow-disable-line\n  var watchers = vm._computedWatchers = Object.create(null);\n  // computed properties are just getters during SSR\n  var isSSR = isServerRendering();\n\n  for (var key in computed) {\n    var userDef = computed[key];\n    var getter = typeof userDef === 'function' ? userDef : userDef.get;\n    if (process.env.NODE_ENV !== 'production' && getter == null) {\n      warn(\n        (\"Getter is missing for computed property \\\"\" + key + \"\\\".\"),\n        vm\n      );\n    }\n\n    if (!isSSR) {\n      // create internal watcher for the computed property.\n      watchers[key] = new Watcher(\n        vm,\n        getter || noop,\n        noop,\n        computedWatcherOptions\n      );\n    }\n\n    // component-defined computed properties are already defined on the\n    // component prototype. We only need to define computed properties defined\n    // at instantiation here.\n    if (!(key in vm)) {\n      defineComputed(vm, key, userDef);\n    } else if (process.env.NODE_ENV !== 'production') {\n      if (key in vm.$data) {\n        warn((\"The computed property \\\"\" + key + \"\\\" is already defined in data.\"), vm);\n      } else if (vm.$options.props && key in vm.$options.props) {\n        warn((\"The computed property \\\"\" + key + \"\\\" is already defined as a prop.\"), vm);\n      }\n    }\n  }\n}\n\nfunction defineComputed (\n  target,\n  key,\n  userDef\n) {\n  var shouldCache = !isServerRendering();\n  if (typeof userDef === 'function') {\n    sharedPropertyDefinition.get = shouldCache\n      ? createComputedGetter(key)\n      : userDef;\n    sharedPropertyDefinition.set = noop;\n  } else {\n    sharedPropertyDefinition.get = userDef.get\n      ? shouldCache && userDef.cache !== false\n        ? createComputedGetter(key)\n        : userDef.get\n      : noop;\n    sharedPropertyDefinition.set = userDef.set\n      ? userDef.set\n      : noop;\n  }\n  if (process.env.NODE_ENV !== 'production' &&\n      sharedPropertyDefinition.set === noop) {\n    sharedPropertyDefinition.set = function () {\n      warn(\n        (\"Computed property \\\"\" + key + \"\\\" was assigned to but it has no setter.\"),\n        this\n      );\n    };\n  }\n  Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction createComputedGetter (key) {\n  return function computedGetter () {\n    var watcher = this._computedWatchers && this._computedWatchers[key];\n    if (watcher) {\n      if (watcher.dirty) {\n        watcher.evaluate();\n      }\n      if (Dep.target) {\n        watcher.depend();\n      }\n      return watcher.value\n    }\n  }\n}\n\nfunction initMethods (vm, methods) {\n  var props = vm.$options.props;\n  for (var key in methods) {\n    if (process.env.NODE_ENV !== 'production') {\n      if (methods[key] == null) {\n        warn(\n          \"Method \\\"\" + key + \"\\\" has an undefined value in the component definition. \" +\n          \"Did you reference the function correctly?\",\n          vm\n        );\n      }\n      if (props && hasOwn(props, key)) {\n        warn(\n          (\"Method \\\"\" + key + \"\\\" has already been defined as a prop.\"),\n          vm\n        );\n      }\n      if ((key in vm) && isReserved(key)) {\n        warn(\n          \"Method \\\"\" + key + \"\\\" conflicts with an existing Vue instance method. \" +\n          \"Avoid defining component methods that start with _ or $.\"\n        );\n      }\n    }\n    vm[key] = methods[key] == null ? noop : bind(methods[key], vm);\n  }\n}\n\nfunction initWatch (vm, watch) {\n  for (var key in watch) {\n    var handler = watch[key];\n    if (Array.isArray(handler)) {\n      for (var i = 0; i < handler.length; i++) {\n        createWatcher(vm, key, handler[i]);\n      }\n    } else {\n      createWatcher(vm, key, handler);\n    }\n  }\n}\n\nfunction createWatcher (\n  vm,\n  keyOrFn,\n  handler,\n  options\n) {\n  if (isPlainObject(handler)) {\n    options = handler;\n    handler = handler.handler;\n  }\n  if (typeof handler === 'string') {\n    handler = vm[handler];\n  }\n  return vm.$watch(keyOrFn, handler, options)\n}\n\nfunction stateMixin (Vue) {\n  // flow somehow has problems with directly declared definition object\n  // when using Object.defineProperty, so we have to procedurally build up\n  // the object here.\n  var dataDef = {};\n  dataDef.get = function () { return this._data };\n  var propsDef = {};\n  propsDef.get = function () { return this._props };\n  if (process.env.NODE_ENV !== 'production') {\n    dataDef.set = function (newData) {\n      warn(\n        'Avoid replacing instance root $data. ' +\n        'Use nested data properties instead.',\n        this\n      );\n    };\n    propsDef.set = function () {\n      warn(\"$props is readonly.\", this);\n    };\n  }\n  Object.defineProperty(Vue.prototype, '$data', dataDef);\n  Object.defineProperty(Vue.prototype, '$props', propsDef);\n\n  Vue.prototype.$set = set;\n  Vue.prototype.$delete = del;\n\n  Vue.prototype.$watch = function (\n    expOrFn,\n    cb,\n    options\n  ) {\n    var vm = this;\n    if (isPlainObject(cb)) {\n      return createWatcher(vm, expOrFn, cb, options)\n    }\n    options = options || {};\n    options.user = true;\n    var watcher = new Watcher(vm, expOrFn, cb, options);\n    if (options.immediate) {\n      cb.call(vm, watcher.value);\n    }\n    return function unwatchFn () {\n      watcher.teardown();\n    }\n  };\n}\n\n/*  */\n\nfunction initProvide (vm) {\n  var provide = vm.$options.provide;\n  if (provide) {\n    vm._provided = typeof provide === 'function'\n      ? provide.call(vm)\n      : provide;\n  }\n}\n\nfunction initInjections (vm) {\n  var result = resolveInject(vm.$options.inject, vm);\n  if (result) {\n    observerState.shouldConvert = false;\n    Object.keys(result).forEach(function (key) {\n      /* istanbul ignore else */\n      if (process.env.NODE_ENV !== 'production') {\n        defineReactive(vm, key, result[key], function () {\n          warn(\n            \"Avoid mutating an injected value directly since the changes will be \" +\n            \"overwritten whenever the provided component re-renders. \" +\n            \"injection being mutated: \\\"\" + key + \"\\\"\",\n            vm\n          );\n        });\n      } else {\n        defineReactive(vm, key, result[key]);\n      }\n    });\n    observerState.shouldConvert = true;\n  }\n}\n\nfunction resolveInject (inject, vm) {\n  if (inject) {\n    // inject is :any because flow is not smart enough to figure out cached\n    var result = Object.create(null);\n    var keys = hasSymbol\n      ? Reflect.ownKeys(inject).filter(function (key) {\n        /* istanbul ignore next */\n        return Object.getOwnPropertyDescriptor(inject, key).enumerable\n      })\n      : Object.keys(inject);\n\n    for (var i = 0; i < keys.length; i++) {\n      var key = keys[i];\n      var provideKey = inject[key].from;\n      var source = vm;\n      while (source) {\n        if (source._provided && provideKey in source._provided) {\n          result[key] = source._provided[provideKey];\n          break\n        }\n        source = source.$parent;\n      }\n      if (!source) {\n        if ('default' in inject[key]) {\n          var provideDefault = inject[key].default;\n          result[key] = typeof provideDefault === 'function'\n            ? provideDefault.call(vm)\n            : provideDefault;\n        } else if (process.env.NODE_ENV !== 'production') {\n          warn((\"Injection \\\"\" + key + \"\\\" not found\"), vm);\n        }\n      }\n    }\n    return result\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering v-for lists.\n */\nfunction renderList (\n  val,\n  render\n) {\n  var ret, i, l, keys, key;\n  if (Array.isArray(val) || typeof val === 'string') {\n    ret = new Array(val.length);\n    for (i = 0, l = val.length; i < l; i++) {\n      ret[i] = render(val[i], i);\n    }\n  } else if (typeof val === 'number') {\n    ret = new Array(val);\n    for (i = 0; i < val; i++) {\n      ret[i] = render(i + 1, i);\n    }\n  } else if (isObject(val)) {\n    keys = Object.keys(val);\n    ret = new Array(keys.length);\n    for (i = 0, l = keys.length; i < l; i++) {\n      key = keys[i];\n      ret[i] = render(val[key], key, i);\n    }\n  }\n  if (isDef(ret)) {\n    (ret)._isVList = true;\n  }\n  return ret\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering <slot>\n */\nfunction renderSlot (\n  name,\n  fallback,\n  props,\n  bindObject\n) {\n  var scopedSlotFn = this.$scopedSlots[name];\n  var nodes;\n  if (scopedSlotFn) { // scoped slot\n    props = props || {};\n    if (bindObject) {\n      if (process.env.NODE_ENV !== 'production' && !isObject(bindObject)) {\n        warn(\n          'slot v-bind without argument expects an Object',\n          this\n        );\n      }\n      props = extend(extend({}, bindObject), props);\n    }\n    nodes = scopedSlotFn(props) || fallback;\n  } else {\n    var slotNodes = this.$slots[name];\n    // warn duplicate slot usage\n    if (slotNodes) {\n      if (process.env.NODE_ENV !== 'production' && slotNodes._rendered) {\n        warn(\n          \"Duplicate presence of slot \\\"\" + name + \"\\\" found in the same render tree \" +\n          \"- this will likely cause render errors.\",\n          this\n        );\n      }\n      slotNodes._rendered = true;\n    }\n    nodes = slotNodes || fallback;\n  }\n\n  var target = props && props.slot;\n  if (target) {\n    return this.$createElement('template', { slot: target }, nodes)\n  } else {\n    return nodes\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for resolving filters\n */\nfunction resolveFilter (id) {\n  return resolveAsset(this.$options, 'filters', id, true) || identity\n}\n\n/*  */\n\n/**\n * Runtime helper for checking keyCodes from config.\n * exposed as Vue.prototype._k\n * passing in eventKeyName as last argument separately for backwards compat\n */\nfunction checkKeyCodes (\n  eventKeyCode,\n  key,\n  builtInAlias,\n  eventKeyName\n) {\n  var keyCodes = config.keyCodes[key] || builtInAlias;\n  if (keyCodes) {\n    if (Array.isArray(keyCodes)) {\n      return keyCodes.indexOf(eventKeyCode) === -1\n    } else {\n      return keyCodes !== eventKeyCode\n    }\n  } else if (eventKeyName) {\n    return hyphenate(eventKeyName) !== key\n  }\n}\n\n/*  */\n\n/**\n * Runtime helper for merging v-bind=\"object\" into a VNode's data.\n */\nfunction bindObjectProps (\n  data,\n  tag,\n  value,\n  asProp,\n  isSync\n) {\n  if (value) {\n    if (!isObject(value)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        'v-bind without argument expects an Object or Array value',\n        this\n      );\n    } else {\n      if (Array.isArray(value)) {\n        value = toObject(value);\n      }\n      var hash;\n      var loop = function ( key ) {\n        if (\n          key === 'class' ||\n          key === 'style' ||\n          isReservedAttribute(key)\n        ) {\n          hash = data;\n        } else {\n          var type = data.attrs && data.attrs.type;\n          hash = asProp || config.mustUseProp(tag, type, key)\n            ? data.domProps || (data.domProps = {})\n            : data.attrs || (data.attrs = {});\n        }\n        if (!(key in hash)) {\n          hash[key] = value[key];\n\n          if (isSync) {\n            var on = data.on || (data.on = {});\n            on[(\"update:\" + key)] = function ($event) {\n              value[key] = $event;\n            };\n          }\n        }\n      };\n\n      for (var key in value) loop( key );\n    }\n  }\n  return data\n}\n\n/*  */\n\n/**\n * Runtime helper for rendering static trees.\n */\nfunction renderStatic (\n  index,\n  isInFor\n) {\n  var cached = this._staticTrees || (this._staticTrees = []);\n  var tree = cached[index];\n  // if has already-rendered static tree and not inside v-for,\n  // we can reuse the same tree by doing a shallow clone.\n  if (tree && !isInFor) {\n    return Array.isArray(tree)\n      ? cloneVNodes(tree)\n      : cloneVNode(tree)\n  }\n  // otherwise, render a fresh tree.\n  tree = cached[index] = this.$options.staticRenderFns[index].call(\n    this._renderProxy,\n    null,\n    this // for render fns generated for functional component templates\n  );\n  markStatic(tree, (\"__static__\" + index), false);\n  return tree\n}\n\n/**\n * Runtime helper for v-once.\n * Effectively it means marking the node as static with a unique key.\n */\nfunction markOnce (\n  tree,\n  index,\n  key\n) {\n  markStatic(tree, (\"__once__\" + index + (key ? (\"_\" + key) : \"\")), true);\n  return tree\n}\n\nfunction markStatic (\n  tree,\n  key,\n  isOnce\n) {\n  if (Array.isArray(tree)) {\n    for (var i = 0; i < tree.length; i++) {\n      if (tree[i] && typeof tree[i] !== 'string') {\n        markStaticNode(tree[i], (key + \"_\" + i), isOnce);\n      }\n    }\n  } else {\n    markStaticNode(tree, key, isOnce);\n  }\n}\n\nfunction markStaticNode (node, key, isOnce) {\n  node.isStatic = true;\n  node.key = key;\n  node.isOnce = isOnce;\n}\n\n/*  */\n\nfunction bindObjectListeners (data, value) {\n  if (value) {\n    if (!isPlainObject(value)) {\n      process.env.NODE_ENV !== 'production' && warn(\n        'v-on without argument expects an Object value',\n        this\n      );\n    } else {\n      var on = data.on = data.on ? extend({}, data.on) : {};\n      for (var key in value) {\n        var existing = on[key];\n        var ours = value[key];\n        on[key] = existing ? [].concat(existing, ours) : ours;\n      }\n    }\n  }\n  return data\n}\n\n/*  */\n\nfunction installRenderHelpers (target) {\n  target._o = markOnce;\n  target._n = toNumber;\n  target._s = toString;\n  target._l = renderList;\n  target._t = renderSlot;\n  target._q = looseEqual;\n  target._i = looseIndexOf;\n  target._m = renderStatic;\n  target._f = resolveFilter;\n  target._k = checkKeyCodes;\n  target._b = bindObjectProps;\n  target._v = createTextVNode;\n  target._e = createEmptyVNode;\n  target._u = resolveScopedSlots;\n  target._g = bindObjectListeners;\n}\n\n/*  */\n\nfunction FunctionalRenderContext (\n  data,\n  props,\n  children,\n  parent,\n  Ctor\n) {\n  var options = Ctor.options;\n  this.data = data;\n  this.props = props;\n  this.children = children;\n  this.parent = parent;\n  this.listeners = data.on || emptyObject;\n  this.injections = resolveInject(options.inject, parent);\n  this.slots = function () { return resolveSlots(children, parent); };\n\n  // ensure the createElement function in functional components\n  // gets a unique context - this is necessary for correct named slot check\n  var contextVm = Object.create(parent);\n  var isCompiled = isTrue(options._compiled);\n  var needNormalization = !isCompiled;\n\n  // support for compiled functional template\n  if (isCompiled) {\n    // exposing $options for renderStatic()\n    this.$options = options;\n    // pre-resolve slots for renderSlot()\n    this.$slots = this.slots();\n    this.$scopedSlots = data.scopedSlots || emptyObject;\n  }\n\n  if (options._scopeId) {\n    this._c = function (a, b, c, d) {\n      var vnode = createElement(contextVm, a, b, c, d, needNormalization);\n      if (vnode) {\n        vnode.fnScopeId = options._scopeId;\n        vnode.fnContext = parent;\n      }\n      return vnode\n    };\n  } else {\n    this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };\n  }\n}\n\ninstallRenderHelpers(FunctionalRenderContext.prototype);\n\nfunction createFunctionalComponent (\n  Ctor,\n  propsData,\n  data,\n  contextVm,\n  children\n) {\n  var options = Ctor.options;\n  var props = {};\n  var propOptions = options.props;\n  if (isDef(propOptions)) {\n    for (var key in propOptions) {\n      props[key] = validateProp(key, propOptions, propsData || emptyObject);\n    }\n  } else {\n    if (isDef(data.attrs)) { mergeProps(props, data.attrs); }\n    if (isDef(data.props)) { mergeProps(props, data.props); }\n  }\n\n  var renderContext = new FunctionalRenderContext(\n    data,\n    props,\n    children,\n    contextVm,\n    Ctor\n  );\n\n  var vnode = options.render.call(null, renderContext._c, renderContext);\n\n  if (vnode instanceof VNode) {\n    vnode.fnContext = contextVm;\n    vnode.fnOptions = options;\n    if (data.slot) {\n      (vnode.data || (vnode.data = {})).slot = data.slot;\n    }\n  }\n\n  return vnode\n}\n\nfunction mergeProps (to, from) {\n  for (var key in from) {\n    to[camelize(key)] = from[key];\n  }\n}\n\n/*  */\n\n\n\n\n// Register the component hook to weex native render engine.\n// The hook will be triggered by native, not javascript.\n\n\n// Updates the state of the component to weex native render engine.\n\n/*  */\n\n// https://github.com/Hanks10100/weex-native-directive/tree/master/component\n\n// listening on native callback\n\n/*  */\n\n/*  */\n\n// hooks to be invoked on component VNodes during patch\nvar componentVNodeHooks = {\n  init: function init (\n    vnode,\n    hydrating,\n    parentElm,\n    refElm\n  ) {\n    if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {\n      var child = vnode.componentInstance = createComponentInstanceForVnode(\n        vnode,\n        activeInstance,\n        parentElm,\n        refElm\n      );\n      child.$mount(hydrating ? vnode.elm : undefined, hydrating);\n    } else if (vnode.data.keepAlive) {\n      // kept-alive components, treat as a patch\n      var mountedNode = vnode; // work around flow\n      componentVNodeHooks.prepatch(mountedNode, mountedNode);\n    }\n  },\n\n  prepatch: function prepatch (oldVnode, vnode) {\n    var options = vnode.componentOptions;\n    var child = vnode.componentInstance = oldVnode.componentInstance;\n    updateChildComponent(\n      child,\n      options.propsData, // updated props\n      options.listeners, // updated listeners\n      vnode, // new parent vnode\n      options.children // new children\n    );\n  },\n\n  insert: function insert (vnode) {\n    var context = vnode.context;\n    var componentInstance = vnode.componentInstance;\n    if (!componentInstance._isMounted) {\n      componentInstance._isMounted = true;\n      callHook(componentInstance, 'mounted');\n    }\n    if (vnode.data.keepAlive) {\n      if (context._isMounted) {\n        // vue-router#1212\n        // During updates, a kept-alive component's child components may\n        // change, so directly walking the tree here may call activated hooks\n        // on incorrect children. Instead we push them into a queue which will\n        // be processed after the whole patch process ended.\n        queueActivatedComponent(componentInstance);\n      } else {\n        activateChildComponent(componentInstance, true /* direct */);\n      }\n    }\n  },\n\n  destroy: function destroy (vnode) {\n    var componentInstance = vnode.componentInstance;\n    if (!componentInstance._isDestroyed) {\n      if (!vnode.data.keepAlive) {\n        componentInstance.$destroy();\n      } else {\n        deactivateChildComponent(componentInstance, true /* direct */);\n      }\n    }\n  }\n};\n\nvar hooksToMerge = Object.keys(componentVNodeHooks);\n\nfunction createComponent (\n  Ctor,\n  data,\n  context,\n  children,\n  tag\n) {\n  if (isUndef(Ctor)) {\n    return\n  }\n\n  var baseCtor = context.$options._base;\n\n  // plain options object: turn it into a constructor\n  if (isObject(Ctor)) {\n    Ctor = baseCtor.extend(Ctor);\n  }\n\n  // if at this stage it's not a constructor or an async component factory,\n  // reject.\n  if (typeof Ctor !== 'function') {\n    if (process.env.NODE_ENV !== 'production') {\n      warn((\"Invalid Component definition: \" + (String(Ctor))), context);\n    }\n    return\n  }\n\n  // async component\n  var asyncFactory;\n  if (isUndef(Ctor.cid)) {\n    asyncFactory = Ctor;\n    Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);\n    if (Ctor === undefined) {\n      // return a placeholder node for async component, which is rendered\n      // as a comment node but preserves all the raw information for the node.\n      // the information will be used for async server-rendering and hydration.\n      return createAsyncPlaceholder(\n        asyncFactory,\n        data,\n        context,\n        children,\n        tag\n      )\n    }\n  }\n\n  data = data || {};\n\n  // resolve constructor options in case global mixins are applied after\n  // component constructor creation\n  resolveConstructorOptions(Ctor);\n\n  // transform component v-model data into props & events\n  if (isDef(data.model)) {\n    transformModel(Ctor.options, data);\n  }\n\n  // extract props\n  var propsData = extractPropsFromVNodeData(data, Ctor, tag);\n\n  // functional component\n  if (isTrue(Ctor.options.functional)) {\n    return createFunctionalComponent(Ctor, propsData, data, context, children)\n  }\n\n  // extract listeners, since these needs to be treated as\n  // child component listeners instead of DOM listeners\n  var listeners = data.on;\n  // replace with listeners with .native modifier\n  // so it gets processed during parent component patch.\n  data.on = data.nativeOn;\n\n  if (isTrue(Ctor.options.abstract)) {\n    // abstract components do not keep anything\n    // other than props & listeners & slot\n\n    // work around flow\n    var slot = data.slot;\n    data = {};\n    if (slot) {\n      data.slot = slot;\n    }\n  }\n\n  // merge component management hooks onto the placeholder node\n  mergeHooks(data);\n\n  // return a placeholder vnode\n  var name = Ctor.options.name || tag;\n  var vnode = new VNode(\n    (\"vue-component-\" + (Ctor.cid) + (name ? (\"-\" + name) : '')),\n    data, undefined, undefined, undefined, context,\n    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },\n    asyncFactory\n  );\n\n  // Weex specific: invoke recycle-list optimized @render function for\n  // extracting cell-slot template.\n  // https://github.com/Hanks10100/weex-native-directive/tree/master/component\n  /* istanbul ignore if */\n  return vnode\n}\n\nfunction createComponentInstanceForVnode (\n  vnode, // we know it's MountedComponentVNode but flow doesn't\n  parent, // activeInstance in lifecycle state\n  parentElm,\n  refElm\n) {\n  var options = {\n    _isComponent: true,\n    parent: parent,\n    _parentVnode: vnode,\n    _parentElm: parentElm || null,\n    _refElm: refElm || null\n  };\n  // check inline-template render functions\n  var inlineTemplate = vnode.data.inlineTemplate;\n  if (isDef(inlineTemplate)) {\n    options.render = inlineTemplate.render;\n    options.staticRenderFns = inlineTemplate.staticRenderFns;\n  }\n  return new vnode.componentOptions.Ctor(options)\n}\n\nfunction mergeHooks (data) {\n  if (!data.hook) {\n    data.hook = {};\n  }\n  for (var i = 0; i < hooksToMerge.length; i++) {\n    var key = hooksToMerge[i];\n    var fromParent = data.hook[key];\n    var ours = componentVNodeHooks[key];\n    data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;\n  }\n}\n\nfunction mergeHook$1 (one, two) {\n  return function (a, b, c, d) {\n    one(a, b, c, d);\n    two(a, b, c, d);\n  }\n}\n\n// transform component v-model info (value and callback) into\n// prop and event handler respectively.\nfunction transformModel (options, data) {\n  var prop = (options.model && options.model.prop) || 'value';\n  var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;\n  var on = data.on || (data.on = {});\n  if (isDef(on[event])) {\n    on[event] = [data.model.callback].concat(on[event]);\n  } else {\n    on[event] = data.model.callback;\n  }\n}\n\n/*  */\n\nvar SIMPLE_NORMALIZE = 1;\nvar ALWAYS_NORMALIZE = 2;\n\n// wrapper function for providing a more flexible interface\n// without getting yelled at by flow\nfunction createElement (\n  context,\n  tag,\n  data,\n  children,\n  normalizationType,\n  alwaysNormalize\n) {\n  if (Array.isArray(data) || isPrimitive(data)) {\n    normalizationType = children;\n    children = data;\n    data = undefined;\n  }\n  if (isTrue(alwaysNormalize)) {\n    normalizationType = ALWAYS_NORMALIZE;\n  }\n  return _createElement(context, tag, data, children, normalizationType)\n}\n\nfunction _createElement (\n  context,\n  tag,\n  data,\n  children,\n  normalizationType\n) {\n  if (isDef(data) && isDef((data).__ob__)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      \"Avoid using observed data object as vnode data: \" + (JSON.stringify(data)) + \"\\n\" +\n      'Always create fresh vnode data objects in each render!',\n      context\n    );\n    return createEmptyVNode()\n  }\n  // object syntax in v-bind\n  if (isDef(data) && isDef(data.is)) {\n    tag = data.is;\n  }\n  if (!tag) {\n    // in case of component :is set to falsy value\n    return createEmptyVNode()\n  }\n  // warn against non-primitive key\n  if (process.env.NODE_ENV !== 'production' &&\n    isDef(data) && isDef(data.key) && !isPrimitive(data.key)\n  ) {\n    {\n      warn(\n        'Avoid using non-primitive value as key, ' +\n        'use string/number value instead.',\n        context\n      );\n    }\n  }\n  // support single function children as default scoped slot\n  if (Array.isArray(children) &&\n    typeof children[0] === 'function'\n  ) {\n    data = data || {};\n    data.scopedSlots = { default: children[0] };\n    children.length = 0;\n  }\n  if (normalizationType === ALWAYS_NORMALIZE) {\n    children = normalizeChildren(children);\n  } else if (normalizationType === SIMPLE_NORMALIZE) {\n    children = simpleNormalizeChildren(children);\n  }\n  var vnode, ns;\n  if (typeof tag === 'string') {\n    var Ctor;\n    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);\n    if (config.isReservedTag(tag)) {\n      // platform built-in elements\n      vnode = new VNode(\n        config.parsePlatformTagName(tag), data, children,\n        undefined, undefined, context\n      );\n    } else if (isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {\n      // component\n      vnode = createComponent(Ctor, data, context, children, tag);\n    } else {\n      // unknown or unlisted namespaced elements\n      // check at runtime because it may get assigned a namespace when its\n      // parent normalizes children\n      vnode = new VNode(\n        tag, data, children,\n        undefined, undefined, context\n      );\n    }\n  } else {\n    // direct component options / constructor\n    vnode = createComponent(tag, data, context, children);\n  }\n  if (isDef(vnode)) {\n    if (ns) { applyNS(vnode, ns); }\n    return vnode\n  } else {\n    return createEmptyVNode()\n  }\n}\n\nfunction applyNS (vnode, ns, force) {\n  vnode.ns = ns;\n  if (vnode.tag === 'foreignObject') {\n    // use default namespace inside foreignObject\n    ns = undefined;\n    force = true;\n  }\n  if (isDef(vnode.children)) {\n    for (var i = 0, l = vnode.children.length; i < l; i++) {\n      var child = vnode.children[i];\n      if (isDef(child.tag) && (isUndef(child.ns) || isTrue(force))) {\n        applyNS(child, ns, force);\n      }\n    }\n  }\n}\n\n/*  */\n\nfunction initRender (vm) {\n  vm._vnode = null; // the root of the child tree\n  vm._staticTrees = null; // v-once cached trees\n  var options = vm.$options;\n  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree\n  var renderContext = parentVnode && parentVnode.context;\n  vm.$slots = resolveSlots(options._renderChildren, renderContext);\n  vm.$scopedSlots = emptyObject;\n  // bind the createElement fn to this instance\n  // so that we get proper render context inside it.\n  // args order: tag, data, children, normalizationType, alwaysNormalize\n  // internal version is used by render functions compiled from templates\n  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };\n  // normalization is always applied for the public version, used in\n  // user-written render functions.\n  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };\n\n  // $attrs & $listeners are exposed for easier HOC creation.\n  // they need to be reactive so that HOCs using them are always updated\n  var parentData = parentVnode && parentVnode.data;\n\n  /* istanbul ignore else */\n  if (process.env.NODE_ENV !== 'production') {\n    defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {\n      !isUpdatingChildComponent && warn(\"$attrs is readonly.\", vm);\n    }, true);\n    defineReactive(vm, '$listeners', options._parentListeners || emptyObject, function () {\n      !isUpdatingChildComponent && warn(\"$listeners is readonly.\", vm);\n    }, true);\n  } else {\n    defineReactive(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);\n    defineReactive(vm, '$listeners', options._parentListeners || emptyObject, null, true);\n  }\n}\n\nfunction renderMixin (Vue) {\n  // install runtime convenience helpers\n  installRenderHelpers(Vue.prototype);\n\n  Vue.prototype.$nextTick = function (fn) {\n    return nextTick(fn, this)\n  };\n\n  Vue.prototype._render = function () {\n    var vm = this;\n    var ref = vm.$options;\n    var render = ref.render;\n    var _parentVnode = ref._parentVnode;\n\n    if (vm._isMounted) {\n      // if the parent didn't update, the slot nodes will be the ones from\n      // last render. They need to be cloned to ensure \"freshness\" for this render.\n      for (var key in vm.$slots) {\n        var slot = vm.$slots[key];\n        // _rendered is a flag added by renderSlot, but may not be present\n        // if the slot is passed from manually written render functions\n        if (slot._rendered || (slot[0] && slot[0].elm)) {\n          vm.$slots[key] = cloneVNodes(slot, true /* deep */);\n        }\n      }\n    }\n\n    vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject;\n\n    // set parent vnode. this allows render functions to have access\n    // to the data on the placeholder node.\n    vm.$vnode = _parentVnode;\n    // render self\n    var vnode;\n    try {\n      vnode = render.call(vm._renderProxy, vm.$createElement);\n    } catch (e) {\n      handleError(e, vm, \"render\");\n      // return error render result,\n      // or previous vnode to prevent render error causing blank component\n      /* istanbul ignore else */\n      if (process.env.NODE_ENV !== 'production') {\n        if (vm.$options.renderError) {\n          try {\n            vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);\n          } catch (e) {\n            handleError(e, vm, \"renderError\");\n            vnode = vm._vnode;\n          }\n        } else {\n          vnode = vm._vnode;\n        }\n      } else {\n        vnode = vm._vnode;\n      }\n    }\n    // return empty vnode in case the render function errored out\n    if (!(vnode instanceof VNode)) {\n      if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {\n        warn(\n          'Multiple root nodes returned from render function. Render function ' +\n          'should return a single root node.',\n          vm\n        );\n      }\n      vnode = createEmptyVNode();\n    }\n    // set parent\n    vnode.parent = _parentVnode;\n    return vnode\n  };\n}\n\n/*  */\n\nvar uid = 0;\n\nfunction initMixin (Vue) {\n  Vue.prototype._init = function (options) {\n    var vm = this;\n    // a uid\n    vm._uid = uid++;\n\n    var startTag, endTag;\n    /* istanbul ignore if */\n    if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n      startTag = \"vue-perf-start:\" + (vm._uid);\n      endTag = \"vue-perf-end:\" + (vm._uid);\n      mark(startTag);\n    }\n\n    // a flag to avoid this being observed\n    vm._isVue = true;\n    // merge options\n    if (options && options._isComponent) {\n      // optimize internal component instantiation\n      // since dynamic options merging is pretty slow, and none of the\n      // internal component options needs special treatment.\n      initInternalComponent(vm, options);\n    } else {\n      vm.$options = mergeOptions(\n        resolveConstructorOptions(vm.constructor),\n        options || {},\n        vm\n      );\n    }\n    /* istanbul ignore else */\n    if (process.env.NODE_ENV !== 'production') {\n      initProxy(vm);\n    } else {\n      vm._renderProxy = vm;\n    }\n    // expose real self\n    vm._self = vm;\n    initLifecycle(vm);\n    initEvents(vm);\n    initRender(vm);\n    callHook(vm, 'beforeCreate');\n    initInjections(vm); // resolve injections before data/props\n    initState(vm);\n    initProvide(vm); // resolve provide after data/props\n    callHook(vm, 'created');\n\n    /* istanbul ignore if */\n    if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n      vm._name = formatComponentName(vm, false);\n      mark(endTag);\n      measure((\"vue \" + (vm._name) + \" init\"), startTag, endTag);\n    }\n\n    if (vm.$options.el) {\n      vm.$mount(vm.$options.el);\n    }\n  };\n}\n\nfunction initInternalComponent (vm, options) {\n  var opts = vm.$options = Object.create(vm.constructor.options);\n  // doing this because it's faster than dynamic enumeration.\n  var parentVnode = options._parentVnode;\n  opts.parent = options.parent;\n  opts._parentVnode = parentVnode;\n  opts._parentElm = options._parentElm;\n  opts._refElm = options._refElm;\n\n  var vnodeComponentOptions = parentVnode.componentOptions;\n  opts.propsData = vnodeComponentOptions.propsData;\n  opts._parentListeners = vnodeComponentOptions.listeners;\n  opts._renderChildren = vnodeComponentOptions.children;\n  opts._componentTag = vnodeComponentOptions.tag;\n\n  if (options.render) {\n    opts.render = options.render;\n    opts.staticRenderFns = options.staticRenderFns;\n  }\n}\n\nfunction resolveConstructorOptions (Ctor) {\n  var options = Ctor.options;\n  if (Ctor.super) {\n    var superOptions = resolveConstructorOptions(Ctor.super);\n    var cachedSuperOptions = Ctor.superOptions;\n    if (superOptions !== cachedSuperOptions) {\n      // super option changed,\n      // need to resolve new options.\n      Ctor.superOptions = superOptions;\n      // check if there are any late-modified/attached options (#4976)\n      var modifiedOptions = resolveModifiedOptions(Ctor);\n      // update base extend options\n      if (modifiedOptions) {\n        extend(Ctor.extendOptions, modifiedOptions);\n      }\n      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);\n      if (options.name) {\n        options.components[options.name] = Ctor;\n      }\n    }\n  }\n  return options\n}\n\nfunction resolveModifiedOptions (Ctor) {\n  var modified;\n  var latest = Ctor.options;\n  var extended = Ctor.extendOptions;\n  var sealed = Ctor.sealedOptions;\n  for (var key in latest) {\n    if (latest[key] !== sealed[key]) {\n      if (!modified) { modified = {}; }\n      modified[key] = dedupe(latest[key], extended[key], sealed[key]);\n    }\n  }\n  return modified\n}\n\nfunction dedupe (latest, extended, sealed) {\n  // compare latest and sealed to ensure lifecycle hooks won't be duplicated\n  // between merges\n  if (Array.isArray(latest)) {\n    var res = [];\n    sealed = Array.isArray(sealed) ? sealed : [sealed];\n    extended = Array.isArray(extended) ? extended : [extended];\n    for (var i = 0; i < latest.length; i++) {\n      // push original options and not sealed options to exclude duplicated options\n      if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {\n        res.push(latest[i]);\n      }\n    }\n    return res\n  } else {\n    return latest\n  }\n}\n\nfunction Vue$3 (options) {\n  if (process.env.NODE_ENV !== 'production' &&\n    !(this instanceof Vue$3)\n  ) {\n    warn('Vue is a constructor and should be called with the `new` keyword');\n  }\n  this._init(options);\n}\n\ninitMixin(Vue$3);\nstateMixin(Vue$3);\neventsMixin(Vue$3);\nlifecycleMixin(Vue$3);\nrenderMixin(Vue$3);\n\n/*  */\n\nfunction initUse (Vue) {\n  Vue.use = function (plugin) {\n    var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));\n    if (installedPlugins.indexOf(plugin) > -1) {\n      return this\n    }\n\n    // additional parameters\n    var args = toArray(arguments, 1);\n    args.unshift(this);\n    if (typeof plugin.install === 'function') {\n      plugin.install.apply(plugin, args);\n    } else if (typeof plugin === 'function') {\n      plugin.apply(null, args);\n    }\n    installedPlugins.push(plugin);\n    return this\n  };\n}\n\n/*  */\n\nfunction initMixin$1 (Vue) {\n  Vue.mixin = function (mixin) {\n    this.options = mergeOptions(this.options, mixin);\n    return this\n  };\n}\n\n/*  */\n\nfunction initExtend (Vue) {\n  /**\n   * Each instance constructor, including Vue, has a unique\n   * cid. This enables us to create wrapped \"child\n   * constructors\" for prototypal inheritance and cache them.\n   */\n  Vue.cid = 0;\n  var cid = 1;\n\n  /**\n   * Class inheritance\n   */\n  Vue.extend = function (extendOptions) {\n    extendOptions = extendOptions || {};\n    var Super = this;\n    var SuperId = Super.cid;\n    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});\n    if (cachedCtors[SuperId]) {\n      return cachedCtors[SuperId]\n    }\n\n    var name = extendOptions.name || Super.options.name;\n    if (process.env.NODE_ENV !== 'production' && name) {\n      validateComponentName(name);\n    }\n\n    var Sub = function VueComponent (options) {\n      this._init(options);\n    };\n    Sub.prototype = Object.create(Super.prototype);\n    Sub.prototype.constructor = Sub;\n    Sub.cid = cid++;\n    Sub.options = mergeOptions(\n      Super.options,\n      extendOptions\n    );\n    Sub['super'] = Super;\n\n    // For props and computed properties, we define the proxy getters on\n    // the Vue instances at extension time, on the extended prototype. This\n    // avoids Object.defineProperty calls for each instance created.\n    if (Sub.options.props) {\n      initProps$1(Sub);\n    }\n    if (Sub.options.computed) {\n      initComputed$1(Sub);\n    }\n\n    // allow further extension/mixin/plugin usage\n    Sub.extend = Super.extend;\n    Sub.mixin = Super.mixin;\n    Sub.use = Super.use;\n\n    // create asset registers, so extended classes\n    // can have their private assets too.\n    ASSET_TYPES.forEach(function (type) {\n      Sub[type] = Super[type];\n    });\n    // enable recursive self-lookup\n    if (name) {\n      Sub.options.components[name] = Sub;\n    }\n\n    // keep a reference to the super options at extension time.\n    // later at instantiation we can check if Super's options have\n    // been updated.\n    Sub.superOptions = Super.options;\n    Sub.extendOptions = extendOptions;\n    Sub.sealedOptions = extend({}, Sub.options);\n\n    // cache constructor\n    cachedCtors[SuperId] = Sub;\n    return Sub\n  };\n}\n\nfunction initProps$1 (Comp) {\n  var props = Comp.options.props;\n  for (var key in props) {\n    proxy(Comp.prototype, \"_props\", key);\n  }\n}\n\nfunction initComputed$1 (Comp) {\n  var computed = Comp.options.computed;\n  for (var key in computed) {\n    defineComputed(Comp.prototype, key, computed[key]);\n  }\n}\n\n/*  */\n\nfunction initAssetRegisters (Vue) {\n  /**\n   * Create asset registration methods.\n   */\n  ASSET_TYPES.forEach(function (type) {\n    Vue[type] = function (\n      id,\n      definition\n    ) {\n      if (!definition) {\n        return this.options[type + 's'][id]\n      } else {\n        /* istanbul ignore if */\n        if (process.env.NODE_ENV !== 'production' && type === 'component') {\n          validateComponentName(id);\n        }\n        if (type === 'component' && isPlainObject(definition)) {\n          definition.name = definition.name || id;\n          definition = this.options._base.extend(definition);\n        }\n        if (type === 'directive' && typeof definition === 'function') {\n          definition = { bind: definition, update: definition };\n        }\n        this.options[type + 's'][id] = definition;\n        return definition\n      }\n    };\n  });\n}\n\n/*  */\n\nfunction getComponentName (opts) {\n  return opts && (opts.Ctor.options.name || opts.tag)\n}\n\nfunction matches (pattern, name) {\n  if (Array.isArray(pattern)) {\n    return pattern.indexOf(name) > -1\n  } else if (typeof pattern === 'string') {\n    return pattern.split(',').indexOf(name) > -1\n  } else if (isRegExp(pattern)) {\n    return pattern.test(name)\n  }\n  /* istanbul ignore next */\n  return false\n}\n\nfunction pruneCache (keepAliveInstance, filter) {\n  var cache = keepAliveInstance.cache;\n  var keys = keepAliveInstance.keys;\n  var _vnode = keepAliveInstance._vnode;\n  for (var key in cache) {\n    var cachedNode = cache[key];\n    if (cachedNode) {\n      var name = getComponentName(cachedNode.componentOptions);\n      if (name && !filter(name)) {\n        pruneCacheEntry(cache, key, keys, _vnode);\n      }\n    }\n  }\n}\n\nfunction pruneCacheEntry (\n  cache,\n  key,\n  keys,\n  current\n) {\n  var cached$$1 = cache[key];\n  if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {\n    cached$$1.componentInstance.$destroy();\n  }\n  cache[key] = null;\n  remove(keys, key);\n}\n\nvar patternTypes = [String, RegExp, Array];\n\nvar KeepAlive = {\n  name: 'keep-alive',\n  abstract: true,\n\n  props: {\n    include: patternTypes,\n    exclude: patternTypes,\n    max: [String, Number]\n  },\n\n  created: function created () {\n    this.cache = Object.create(null);\n    this.keys = [];\n  },\n\n  destroyed: function destroyed () {\n    var this$1 = this;\n\n    for (var key in this$1.cache) {\n      pruneCacheEntry(this$1.cache, key, this$1.keys);\n    }\n  },\n\n  watch: {\n    include: function include (val) {\n      pruneCache(this, function (name) { return matches(val, name); });\n    },\n    exclude: function exclude (val) {\n      pruneCache(this, function (name) { return !matches(val, name); });\n    }\n  },\n\n  render: function render () {\n    var slot = this.$slots.default;\n    var vnode = getFirstComponentChild(slot);\n    var componentOptions = vnode && vnode.componentOptions;\n    if (componentOptions) {\n      // check pattern\n      var name = getComponentName(componentOptions);\n      var ref = this;\n      var include = ref.include;\n      var exclude = ref.exclude;\n      if (\n        // not included\n        (include && (!name || !matches(include, name))) ||\n        // excluded\n        (exclude && name && matches(exclude, name))\n      ) {\n        return vnode\n      }\n\n      var ref$1 = this;\n      var cache = ref$1.cache;\n      var keys = ref$1.keys;\n      var key = vnode.key == null\n        // same constructor may get registered as different local components\n        // so cid alone is not enough (#3269)\n        ? componentOptions.Ctor.cid + (componentOptions.tag ? (\"::\" + (componentOptions.tag)) : '')\n        : vnode.key;\n      if (cache[key]) {\n        vnode.componentInstance = cache[key].componentInstance;\n        // make current key freshest\n        remove(keys, key);\n        keys.push(key);\n      } else {\n        cache[key] = vnode;\n        keys.push(key);\n        // prune oldest entry\n        if (this.max && keys.length > parseInt(this.max)) {\n          pruneCacheEntry(cache, keys[0], keys, this._vnode);\n        }\n      }\n\n      vnode.data.keepAlive = true;\n    }\n    return vnode || (slot && slot[0])\n  }\n};\n\nvar builtInComponents = {\n  KeepAlive: KeepAlive\n};\n\n/*  */\n\nfunction initGlobalAPI (Vue) {\n  // config\n  var configDef = {};\n  configDef.get = function () { return config; };\n  if (process.env.NODE_ENV !== 'production') {\n    configDef.set = function () {\n      warn(\n        'Do not replace the Vue.config object, set individual fields instead.'\n      );\n    };\n  }\n  Object.defineProperty(Vue, 'config', configDef);\n\n  // exposed util methods.\n  // NOTE: these are not considered part of the public API - avoid relying on\n  // them unless you are aware of the risk.\n  Vue.util = {\n    warn: warn,\n    extend: extend,\n    mergeOptions: mergeOptions,\n    defineReactive: defineReactive\n  };\n\n  Vue.set = set;\n  Vue.delete = del;\n  Vue.nextTick = nextTick;\n\n  Vue.options = Object.create(null);\n  ASSET_TYPES.forEach(function (type) {\n    Vue.options[type + 's'] = Object.create(null);\n  });\n\n  // this is used to identify the \"base\" constructor to extend all plain-object\n  // components with in Weex's multi-instance scenarios.\n  Vue.options._base = Vue;\n\n  extend(Vue.options.components, builtInComponents);\n\n  initUse(Vue);\n  initMixin$1(Vue);\n  initExtend(Vue);\n  initAssetRegisters(Vue);\n}\n\ninitGlobalAPI(Vue$3);\n\nObject.defineProperty(Vue$3.prototype, '$isServer', {\n  get: isServerRendering\n});\n\nObject.defineProperty(Vue$3.prototype, '$ssrContext', {\n  get: function get () {\n    /* istanbul ignore next */\n    return this.$vnode && this.$vnode.ssrContext\n  }\n});\n\nVue$3.version = '2.5.13';\n\n/*  */\n\n// these are reserved for web because they are directly compiled away\n// during template compilation\nvar isReservedAttr = makeMap('style,class');\n\n// attributes that should be using props for binding\nvar acceptValue = makeMap('input,textarea,option,select,progress');\nvar mustUseProp = function (tag, type, attr) {\n  return (\n    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||\n    (attr === 'selected' && tag === 'option') ||\n    (attr === 'checked' && tag === 'input') ||\n    (attr === 'muted' && tag === 'video')\n  )\n};\n\nvar isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');\n\nvar isBooleanAttr = makeMap(\n  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +\n  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +\n  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +\n  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +\n  'required,reversed,scoped,seamless,selected,sortable,translate,' +\n  'truespeed,typemustmatch,visible'\n);\n\nvar xlinkNS = 'http://www.w3.org/1999/xlink';\n\nvar isXlink = function (name) {\n  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'\n};\n\nvar getXlinkProp = function (name) {\n  return isXlink(name) ? name.slice(6, name.length) : ''\n};\n\nvar isFalsyAttrValue = function (val) {\n  return val == null || val === false\n};\n\n/*  */\n\nfunction genClassForVnode (vnode) {\n  var data = vnode.data;\n  var parentNode = vnode;\n  var childNode = vnode;\n  while (isDef(childNode.componentInstance)) {\n    childNode = childNode.componentInstance._vnode;\n    if (childNode && childNode.data) {\n      data = mergeClassData(childNode.data, data);\n    }\n  }\n  while (isDef(parentNode = parentNode.parent)) {\n    if (parentNode && parentNode.data) {\n      data = mergeClassData(data, parentNode.data);\n    }\n  }\n  return renderClass(data.staticClass, data.class)\n}\n\nfunction mergeClassData (child, parent) {\n  return {\n    staticClass: concat(child.staticClass, parent.staticClass),\n    class: isDef(child.class)\n      ? [child.class, parent.class]\n      : parent.class\n  }\n}\n\nfunction renderClass (\n  staticClass,\n  dynamicClass\n) {\n  if (isDef(staticClass) || isDef(dynamicClass)) {\n    return concat(staticClass, stringifyClass(dynamicClass))\n  }\n  /* istanbul ignore next */\n  return ''\n}\n\nfunction concat (a, b) {\n  return a ? b ? (a + ' ' + b) : a : (b || '')\n}\n\nfunction stringifyClass (value) {\n  if (Array.isArray(value)) {\n    return stringifyArray(value)\n  }\n  if (isObject(value)) {\n    return stringifyObject(value)\n  }\n  if (typeof value === 'string') {\n    return value\n  }\n  /* istanbul ignore next */\n  return ''\n}\n\nfunction stringifyArray (value) {\n  var res = '';\n  var stringified;\n  for (var i = 0, l = value.length; i < l; i++) {\n    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {\n      if (res) { res += ' '; }\n      res += stringified;\n    }\n  }\n  return res\n}\n\nfunction stringifyObject (value) {\n  var res = '';\n  for (var key in value) {\n    if (value[key]) {\n      if (res) { res += ' '; }\n      res += key;\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar namespaceMap = {\n  svg: 'http://www.w3.org/2000/svg',\n  math: 'http://www.w3.org/1998/Math/MathML'\n};\n\nvar isHTMLTag = makeMap(\n  'html,body,base,head,link,meta,style,title,' +\n  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +\n  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +\n  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +\n  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +\n  'embed,object,param,source,canvas,script,noscript,del,ins,' +\n  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +\n  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +\n  'output,progress,select,textarea,' +\n  'details,dialog,menu,menuitem,summary,' +\n  'content,element,shadow,template,blockquote,iframe,tfoot'\n);\n\n// this map is intentionally selective, only covering SVG elements that may\n// contain child elements.\nvar isSVG = makeMap(\n  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +\n  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +\n  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',\n  true\n);\n\n\n\nvar isReservedTag = function (tag) {\n  return isHTMLTag(tag) || isSVG(tag)\n};\n\nfunction getTagNamespace (tag) {\n  if (isSVG(tag)) {\n    return 'svg'\n  }\n  // basic support for MathML\n  // note it doesn't support other MathML elements being component roots\n  if (tag === 'math') {\n    return 'math'\n  }\n}\n\nvar unknownElementCache = Object.create(null);\nfunction isUnknownElement (tag) {\n  /* istanbul ignore if */\n  if (!inBrowser) {\n    return true\n  }\n  if (isReservedTag(tag)) {\n    return false\n  }\n  tag = tag.toLowerCase();\n  /* istanbul ignore if */\n  if (unknownElementCache[tag] != null) {\n    return unknownElementCache[tag]\n  }\n  var el = document.createElement(tag);\n  if (tag.indexOf('-') > -1) {\n    // http://stackoverflow.com/a/28210364/1070244\n    return (unknownElementCache[tag] = (\n      el.constructor === window.HTMLUnknownElement ||\n      el.constructor === window.HTMLElement\n    ))\n  } else {\n    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))\n  }\n}\n\nvar isTextInputType = makeMap('text,number,password,search,email,tel,url');\n\n/*  */\n\n/**\n * Query an element selector if it's not an element already.\n */\nfunction query (el) {\n  if (typeof el === 'string') {\n    var selected = document.querySelector(el);\n    if (!selected) {\n      process.env.NODE_ENV !== 'production' && warn(\n        'Cannot find element: ' + el\n      );\n      return document.createElement('div')\n    }\n    return selected\n  } else {\n    return el\n  }\n}\n\n/*  */\n\nfunction createElement$1 (tagName, vnode) {\n  var elm = document.createElement(tagName);\n  if (tagName !== 'select') {\n    return elm\n  }\n  // false or null will remove the attribute but undefined will not\n  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {\n    elm.setAttribute('multiple', 'multiple');\n  }\n  return elm\n}\n\nfunction createElementNS (namespace, tagName) {\n  return document.createElementNS(namespaceMap[namespace], tagName)\n}\n\nfunction createTextNode (text) {\n  return document.createTextNode(text)\n}\n\nfunction createComment (text) {\n  return document.createComment(text)\n}\n\nfunction insertBefore (parentNode, newNode, referenceNode) {\n  parentNode.insertBefore(newNode, referenceNode);\n}\n\nfunction removeChild (node, child) {\n  node.removeChild(child);\n}\n\nfunction appendChild (node, child) {\n  node.appendChild(child);\n}\n\nfunction parentNode (node) {\n  return node.parentNode\n}\n\nfunction nextSibling (node) {\n  return node.nextSibling\n}\n\nfunction tagName (node) {\n  return node.tagName\n}\n\nfunction setTextContent (node, text) {\n  node.textContent = text;\n}\n\nfunction setAttribute (node, key, val) {\n  node.setAttribute(key, val);\n}\n\n\nvar nodeOps = Object.freeze({\n\tcreateElement: createElement$1,\n\tcreateElementNS: createElementNS,\n\tcreateTextNode: createTextNode,\n\tcreateComment: createComment,\n\tinsertBefore: insertBefore,\n\tremoveChild: removeChild,\n\tappendChild: appendChild,\n\tparentNode: parentNode,\n\tnextSibling: nextSibling,\n\ttagName: tagName,\n\tsetTextContent: setTextContent,\n\tsetAttribute: setAttribute\n});\n\n/*  */\n\nvar ref = {\n  create: function create (_, vnode) {\n    registerRef(vnode);\n  },\n  update: function update (oldVnode, vnode) {\n    if (oldVnode.data.ref !== vnode.data.ref) {\n      registerRef(oldVnode, true);\n      registerRef(vnode);\n    }\n  },\n  destroy: function destroy (vnode) {\n    registerRef(vnode, true);\n  }\n};\n\nfunction registerRef (vnode, isRemoval) {\n  var key = vnode.data.ref;\n  if (!key) { return }\n\n  var vm = vnode.context;\n  var ref = vnode.componentInstance || vnode.elm;\n  var refs = vm.$refs;\n  if (isRemoval) {\n    if (Array.isArray(refs[key])) {\n      remove(refs[key], ref);\n    } else if (refs[key] === ref) {\n      refs[key] = undefined;\n    }\n  } else {\n    if (vnode.data.refInFor) {\n      if (!Array.isArray(refs[key])) {\n        refs[key] = [ref];\n      } else if (refs[key].indexOf(ref) < 0) {\n        // $flow-disable-line\n        refs[key].push(ref);\n      }\n    } else {\n      refs[key] = ref;\n    }\n  }\n}\n\n/**\n * Virtual DOM patching algorithm based on Snabbdom by\n * Simon Friis Vindum (@paldepind)\n * Licensed under the MIT License\n * https://github.com/paldepind/snabbdom/blob/master/LICENSE\n *\n * modified by Evan You (@yyx990803)\n *\n * Not type-checking this because this file is perf-critical and the cost\n * of making flow understand it is not worth it.\n */\n\nvar emptyNode = new VNode('', {}, []);\n\nvar hooks = ['create', 'activate', 'update', 'remove', 'destroy'];\n\nfunction sameVnode (a, b) {\n  return (\n    a.key === b.key && (\n      (\n        a.tag === b.tag &&\n        a.isComment === b.isComment &&\n        isDef(a.data) === isDef(b.data) &&\n        sameInputType(a, b)\n      ) || (\n        isTrue(a.isAsyncPlaceholder) &&\n        a.asyncFactory === b.asyncFactory &&\n        isUndef(b.asyncFactory.error)\n      )\n    )\n  )\n}\n\nfunction sameInputType (a, b) {\n  if (a.tag !== 'input') { return true }\n  var i;\n  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;\n  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;\n  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)\n}\n\nfunction createKeyToOldIdx (children, beginIdx, endIdx) {\n  var i, key;\n  var map = {};\n  for (i = beginIdx; i <= endIdx; ++i) {\n    key = children[i].key;\n    if (isDef(key)) { map[key] = i; }\n  }\n  return map\n}\n\nfunction createPatchFunction (backend) {\n  var i, j;\n  var cbs = {};\n\n  var modules = backend.modules;\n  var nodeOps = backend.nodeOps;\n\n  for (i = 0; i < hooks.length; ++i) {\n    cbs[hooks[i]] = [];\n    for (j = 0; j < modules.length; ++j) {\n      if (isDef(modules[j][hooks[i]])) {\n        cbs[hooks[i]].push(modules[j][hooks[i]]);\n      }\n    }\n  }\n\n  function emptyNodeAt (elm) {\n    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)\n  }\n\n  function createRmCb (childElm, listeners) {\n    function remove () {\n      if (--remove.listeners === 0) {\n        removeNode(childElm);\n      }\n    }\n    remove.listeners = listeners;\n    return remove\n  }\n\n  function removeNode (el) {\n    var parent = nodeOps.parentNode(el);\n    // element may have already been removed due to v-html / v-text\n    if (isDef(parent)) {\n      nodeOps.removeChild(parent, el);\n    }\n  }\n\n  function isUnknownElement$$1 (vnode, inVPre) {\n    return (\n      !inVPre &&\n      !vnode.ns &&\n      !(\n        config.ignoredElements.length &&\n        config.ignoredElements.some(function (ignore) {\n          return isRegExp(ignore)\n            ? ignore.test(vnode.tag)\n            : ignore === vnode.tag\n        })\n      ) &&\n      config.isUnknownElement(vnode.tag)\n    )\n  }\n\n  var creatingElmInVPre = 0;\n  function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {\n    vnode.isRootInsert = !nested; // for transition enter check\n    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {\n      return\n    }\n\n    var data = vnode.data;\n    var children = vnode.children;\n    var tag = vnode.tag;\n    if (isDef(tag)) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (data && data.pre) {\n          creatingElmInVPre++;\n        }\n        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {\n          warn(\n            'Unknown custom element: <' + tag + '> - did you ' +\n            'register the component correctly? For recursive components, ' +\n            'make sure to provide the \"name\" option.',\n            vnode.context\n          );\n        }\n      }\n      vnode.elm = vnode.ns\n        ? nodeOps.createElementNS(vnode.ns, tag)\n        : nodeOps.createElement(tag, vnode);\n      setScope(vnode);\n\n      /* istanbul ignore if */\n      {\n        createChildren(vnode, children, insertedVnodeQueue);\n        if (isDef(data)) {\n          invokeCreateHooks(vnode, insertedVnodeQueue);\n        }\n        insert(parentElm, vnode.elm, refElm);\n      }\n\n      if (process.env.NODE_ENV !== 'production' && data && data.pre) {\n        creatingElmInVPre--;\n      }\n    } else if (isTrue(vnode.isComment)) {\n      vnode.elm = nodeOps.createComment(vnode.text);\n      insert(parentElm, vnode.elm, refElm);\n    } else {\n      vnode.elm = nodeOps.createTextNode(vnode.text);\n      insert(parentElm, vnode.elm, refElm);\n    }\n  }\n\n  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n    var i = vnode.data;\n    if (isDef(i)) {\n      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;\n      if (isDef(i = i.hook) && isDef(i = i.init)) {\n        i(vnode, false /* hydrating */, parentElm, refElm);\n      }\n      // after calling the init hook, if the vnode is a child component\n      // it should've created a child instance and mounted it. the child\n      // component also has set the placeholder vnode's elm.\n      // in that case we can just return the element and be done.\n      if (isDef(vnode.componentInstance)) {\n        initComponent(vnode, insertedVnodeQueue);\n        if (isTrue(isReactivated)) {\n          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);\n        }\n        return true\n      }\n    }\n  }\n\n  function initComponent (vnode, insertedVnodeQueue) {\n    if (isDef(vnode.data.pendingInsert)) {\n      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);\n      vnode.data.pendingInsert = null;\n    }\n    vnode.elm = vnode.componentInstance.$el;\n    if (isPatchable(vnode)) {\n      invokeCreateHooks(vnode, insertedVnodeQueue);\n      setScope(vnode);\n    } else {\n      // empty component root.\n      // skip all element-related modules except for ref (#3455)\n      registerRef(vnode);\n      // make sure to invoke the insert hook\n      insertedVnodeQueue.push(vnode);\n    }\n  }\n\n  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n    var i;\n    // hack for #4339: a reactivated component with inner transition\n    // does not trigger because the inner node's created hooks are not called\n    // again. It's not ideal to involve module-specific logic in here but\n    // there doesn't seem to be a better way to do it.\n    var innerNode = vnode;\n    while (innerNode.componentInstance) {\n      innerNode = innerNode.componentInstance._vnode;\n      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {\n        for (i = 0; i < cbs.activate.length; ++i) {\n          cbs.activate[i](emptyNode, innerNode);\n        }\n        insertedVnodeQueue.push(innerNode);\n        break\n      }\n    }\n    // unlike a newly created component,\n    // a reactivated keep-alive component doesn't insert itself\n    insert(parentElm, vnode.elm, refElm);\n  }\n\n  function insert (parent, elm, ref$$1) {\n    if (isDef(parent)) {\n      if (isDef(ref$$1)) {\n        if (ref$$1.parentNode === parent) {\n          nodeOps.insertBefore(parent, elm, ref$$1);\n        }\n      } else {\n        nodeOps.appendChild(parent, elm);\n      }\n    }\n  }\n\n  function createChildren (vnode, children, insertedVnodeQueue) {\n    if (Array.isArray(children)) {\n      if (process.env.NODE_ENV !== 'production') {\n        checkDuplicateKeys(children);\n      }\n      for (var i = 0; i < children.length; ++i) {\n        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);\n      }\n    } else if (isPrimitive(vnode.text)) {\n      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));\n    }\n  }\n\n  function isPatchable (vnode) {\n    while (vnode.componentInstance) {\n      vnode = vnode.componentInstance._vnode;\n    }\n    return isDef(vnode.tag)\n  }\n\n  function invokeCreateHooks (vnode, insertedVnodeQueue) {\n    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n      cbs.create[i$1](emptyNode, vnode);\n    }\n    i = vnode.data.hook; // Reuse variable\n    if (isDef(i)) {\n      if (isDef(i.create)) { i.create(emptyNode, vnode); }\n      if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }\n    }\n  }\n\n  // set scope id attribute for scoped CSS.\n  // this is implemented as a special case to avoid the overhead\n  // of going through the normal attribute patching process.\n  function setScope (vnode) {\n    var i;\n    if (isDef(i = vnode.fnScopeId)) {\n      nodeOps.setAttribute(vnode.elm, i, '');\n    } else {\n      var ancestor = vnode;\n      while (ancestor) {\n        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {\n          nodeOps.setAttribute(vnode.elm, i, '');\n        }\n        ancestor = ancestor.parent;\n      }\n    }\n    // for slot content they should also get the scopeId from the host instance.\n    if (isDef(i = activeInstance) &&\n      i !== vnode.context &&\n      i !== vnode.fnContext &&\n      isDef(i = i.$options._scopeId)\n    ) {\n      nodeOps.setAttribute(vnode.elm, i, '');\n    }\n  }\n\n  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {\n    for (; startIdx <= endIdx; ++startIdx) {\n      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);\n    }\n  }\n\n  function invokeDestroyHook (vnode) {\n    var i, j;\n    var data = vnode.data;\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }\n      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }\n    }\n    if (isDef(i = vnode.children)) {\n      for (j = 0; j < vnode.children.length; ++j) {\n        invokeDestroyHook(vnode.children[j]);\n      }\n    }\n  }\n\n  function removeVnodes (parentElm, vnodes, startIdx, endIdx) {\n    for (; startIdx <= endIdx; ++startIdx) {\n      var ch = vnodes[startIdx];\n      if (isDef(ch)) {\n        if (isDef(ch.tag)) {\n          removeAndInvokeRemoveHook(ch);\n          invokeDestroyHook(ch);\n        } else { // Text node\n          removeNode(ch.elm);\n        }\n      }\n    }\n  }\n\n  function removeAndInvokeRemoveHook (vnode, rm) {\n    if (isDef(rm) || isDef(vnode.data)) {\n      var i;\n      var listeners = cbs.remove.length + 1;\n      if (isDef(rm)) {\n        // we have a recursively passed down rm callback\n        // increase the listeners count\n        rm.listeners += listeners;\n      } else {\n        // directly removing\n        rm = createRmCb(vnode.elm, listeners);\n      }\n      // recursively invoke hooks on child component root node\n      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {\n        removeAndInvokeRemoveHook(i, rm);\n      }\n      for (i = 0; i < cbs.remove.length; ++i) {\n        cbs.remove[i](vnode, rm);\n      }\n      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {\n        i(vnode, rm);\n      } else {\n        rm();\n      }\n    } else {\n      removeNode(vnode.elm);\n    }\n  }\n\n  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {\n    var oldStartIdx = 0;\n    var newStartIdx = 0;\n    var oldEndIdx = oldCh.length - 1;\n    var oldStartVnode = oldCh[0];\n    var oldEndVnode = oldCh[oldEndIdx];\n    var newEndIdx = newCh.length - 1;\n    var newStartVnode = newCh[0];\n    var newEndVnode = newCh[newEndIdx];\n    var oldKeyToIdx, idxInOld, vnodeToMove, refElm;\n\n    // removeOnly is a special flag used only by <transition-group>\n    // to ensure removed elements stay in correct relative positions\n    // during leaving transitions\n    var canMove = !removeOnly;\n\n    if (process.env.NODE_ENV !== 'production') {\n      checkDuplicateKeys(newCh);\n    }\n\n    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {\n      if (isUndef(oldStartVnode)) {\n        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left\n      } else if (isUndef(oldEndVnode)) {\n        oldEndVnode = oldCh[--oldEndIdx];\n      } else if (sameVnode(oldStartVnode, newStartVnode)) {\n        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);\n        oldStartVnode = oldCh[++oldStartIdx];\n        newStartVnode = newCh[++newStartIdx];\n      } else if (sameVnode(oldEndVnode, newEndVnode)) {\n        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);\n        oldEndVnode = oldCh[--oldEndIdx];\n        newEndVnode = newCh[--newEndIdx];\n      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right\n        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);\n        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));\n        oldStartVnode = oldCh[++oldStartIdx];\n        newEndVnode = newCh[--newEndIdx];\n      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left\n        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);\n        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);\n        oldEndVnode = oldCh[--oldEndIdx];\n        newStartVnode = newCh[++newStartIdx];\n      } else {\n        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }\n        idxInOld = isDef(newStartVnode.key)\n          ? oldKeyToIdx[newStartVnode.key]\n          : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);\n        if (isUndef(idxInOld)) { // New element\n          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);\n        } else {\n          vnodeToMove = oldCh[idxInOld];\n          if (sameVnode(vnodeToMove, newStartVnode)) {\n            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue);\n            oldCh[idxInOld] = undefined;\n            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);\n          } else {\n            // same key but different element. treat as new element\n            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);\n          }\n        }\n        newStartVnode = newCh[++newStartIdx];\n      }\n    }\n    if (oldStartIdx > oldEndIdx) {\n      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;\n      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);\n    } else if (newStartIdx > newEndIdx) {\n      removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);\n    }\n  }\n\n  function checkDuplicateKeys (children) {\n    var seenKeys = {};\n    for (var i = 0; i < children.length; i++) {\n      var vnode = children[i];\n      var key = vnode.key;\n      if (isDef(key)) {\n        if (seenKeys[key]) {\n          warn(\n            (\"Duplicate keys detected: '\" + key + \"'. This may cause an update error.\"),\n            vnode.context\n          );\n        } else {\n          seenKeys[key] = true;\n        }\n      }\n    }\n  }\n\n  function findIdxInOld (node, oldCh, start, end) {\n    for (var i = start; i < end; i++) {\n      var c = oldCh[i];\n      if (isDef(c) && sameVnode(node, c)) { return i }\n    }\n  }\n\n  function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {\n    if (oldVnode === vnode) {\n      return\n    }\n\n    var elm = vnode.elm = oldVnode.elm;\n\n    if (isTrue(oldVnode.isAsyncPlaceholder)) {\n      if (isDef(vnode.asyncFactory.resolved)) {\n        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);\n      } else {\n        vnode.isAsyncPlaceholder = true;\n      }\n      return\n    }\n\n    // reuse element for static trees.\n    // note we only do this if the vnode is cloned -\n    // if the new node is not cloned it means the render functions have been\n    // reset by the hot-reload-api and we need to do a proper re-render.\n    if (isTrue(vnode.isStatic) &&\n      isTrue(oldVnode.isStatic) &&\n      vnode.key === oldVnode.key &&\n      (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))\n    ) {\n      vnode.componentInstance = oldVnode.componentInstance;\n      return\n    }\n\n    var i;\n    var data = vnode.data;\n    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {\n      i(oldVnode, vnode);\n    }\n\n    var oldCh = oldVnode.children;\n    var ch = vnode.children;\n    if (isDef(data) && isPatchable(vnode)) {\n      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }\n      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }\n    }\n    if (isUndef(vnode.text)) {\n      if (isDef(oldCh) && isDef(ch)) {\n        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }\n      } else if (isDef(ch)) {\n        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }\n        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);\n      } else if (isDef(oldCh)) {\n        removeVnodes(elm, oldCh, 0, oldCh.length - 1);\n      } else if (isDef(oldVnode.text)) {\n        nodeOps.setTextContent(elm, '');\n      }\n    } else if (oldVnode.text !== vnode.text) {\n      nodeOps.setTextContent(elm, vnode.text);\n    }\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }\n    }\n  }\n\n  function invokeInsertHook (vnode, queue, initial) {\n    // delay insert hooks for component root nodes, invoke them after the\n    // element is really inserted\n    if (isTrue(initial) && isDef(vnode.parent)) {\n      vnode.parent.data.pendingInsert = queue;\n    } else {\n      for (var i = 0; i < queue.length; ++i) {\n        queue[i].data.hook.insert(queue[i]);\n      }\n    }\n  }\n\n  var hydrationBailed = false;\n  // list of modules that can skip create hook during hydration because they\n  // are already rendered on the client or has no need for initialization\n  // Note: style is excluded because it relies on initial clone for future\n  // deep updates (#7063).\n  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');\n\n  // Note: this is a browser-only function so we can assume elms are DOM nodes.\n  function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {\n    var i;\n    var tag = vnode.tag;\n    var data = vnode.data;\n    var children = vnode.children;\n    inVPre = inVPre || (data && data.pre);\n    vnode.elm = elm;\n\n    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {\n      vnode.isAsyncPlaceholder = true;\n      return true\n    }\n    // assert node match\n    if (process.env.NODE_ENV !== 'production') {\n      if (!assertNodeMatch(elm, vnode, inVPre)) {\n        return false\n      }\n    }\n    if (isDef(data)) {\n      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }\n      if (isDef(i = vnode.componentInstance)) {\n        // child component. it should have hydrated its own tree.\n        initComponent(vnode, insertedVnodeQueue);\n        return true\n      }\n    }\n    if (isDef(tag)) {\n      if (isDef(children)) {\n        // empty element, allow client to pick up and populate children\n        if (!elm.hasChildNodes()) {\n          createChildren(vnode, children, insertedVnodeQueue);\n        } else {\n          // v-html and domProps: innerHTML\n          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {\n            if (i !== elm.innerHTML) {\n              /* istanbul ignore if */\n              if (process.env.NODE_ENV !== 'production' &&\n                typeof console !== 'undefined' &&\n                !hydrationBailed\n              ) {\n                hydrationBailed = true;\n                console.warn('Parent: ', elm);\n                console.warn('server innerHTML: ', i);\n                console.warn('client innerHTML: ', elm.innerHTML);\n              }\n              return false\n            }\n          } else {\n            // iterate and compare children lists\n            var childrenMatch = true;\n            var childNode = elm.firstChild;\n            for (var i$1 = 0; i$1 < children.length; i$1++) {\n              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {\n                childrenMatch = false;\n                break\n              }\n              childNode = childNode.nextSibling;\n            }\n            // if childNode is not null, it means the actual childNodes list is\n            // longer than the virtual children list.\n            if (!childrenMatch || childNode) {\n              /* istanbul ignore if */\n              if (process.env.NODE_ENV !== 'production' &&\n                typeof console !== 'undefined' &&\n                !hydrationBailed\n              ) {\n                hydrationBailed = true;\n                console.warn('Parent: ', elm);\n                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);\n              }\n              return false\n            }\n          }\n        }\n      }\n      if (isDef(data)) {\n        var fullInvoke = false;\n        for (var key in data) {\n          if (!isRenderedModule(key)) {\n            fullInvoke = true;\n            invokeCreateHooks(vnode, insertedVnodeQueue);\n            break\n          }\n        }\n        if (!fullInvoke && data['class']) {\n          // ensure collecting deps for deep class bindings for future updates\n          traverse(data['class']);\n        }\n      }\n    } else if (elm.data !== vnode.text) {\n      elm.data = vnode.text;\n    }\n    return true\n  }\n\n  function assertNodeMatch (node, vnode, inVPre) {\n    if (isDef(vnode.tag)) {\n      return vnode.tag.indexOf('vue-component') === 0 || (\n        !isUnknownElement$$1(vnode, inVPre) &&\n        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())\n      )\n    } else {\n      return node.nodeType === (vnode.isComment ? 8 : 3)\n    }\n  }\n\n  return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {\n    if (isUndef(vnode)) {\n      if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }\n      return\n    }\n\n    var isInitialPatch = false;\n    var insertedVnodeQueue = [];\n\n    if (isUndef(oldVnode)) {\n      // empty mount (likely as component), create new root element\n      isInitialPatch = true;\n      createElm(vnode, insertedVnodeQueue, parentElm, refElm);\n    } else {\n      var isRealElement = isDef(oldVnode.nodeType);\n      if (!isRealElement && sameVnode(oldVnode, vnode)) {\n        // patch existing root node\n        patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);\n      } else {\n        if (isRealElement) {\n          // mounting to a real element\n          // check if this is server-rendered content and if we can perform\n          // a successful hydration.\n          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {\n            oldVnode.removeAttribute(SSR_ATTR);\n            hydrating = true;\n          }\n          if (isTrue(hydrating)) {\n            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {\n              invokeInsertHook(vnode, insertedVnodeQueue, true);\n              return oldVnode\n            } else if (process.env.NODE_ENV !== 'production') {\n              warn(\n                'The client-side rendered virtual DOM tree is not matching ' +\n                'server-rendered content. This is likely caused by incorrect ' +\n                'HTML markup, for example nesting block-level elements inside ' +\n                '<p>, or missing <tbody>. Bailing hydration and performing ' +\n                'full client-side render.'\n              );\n            }\n          }\n          // either not server-rendered, or hydration failed.\n          // create an empty node and replace it\n          oldVnode = emptyNodeAt(oldVnode);\n        }\n\n        // replacing existing element\n        var oldElm = oldVnode.elm;\n        var parentElm$1 = nodeOps.parentNode(oldElm);\n\n        // create new node\n        createElm(\n          vnode,\n          insertedVnodeQueue,\n          // extremely rare edge case: do not insert if old element is in a\n          // leaving transition. Only happens when combining transition +\n          // keep-alive + HOCs. (#4590)\n          oldElm._leaveCb ? null : parentElm$1,\n          nodeOps.nextSibling(oldElm)\n        );\n\n        // update parent placeholder node element, recursively\n        if (isDef(vnode.parent)) {\n          var ancestor = vnode.parent;\n          var patchable = isPatchable(vnode);\n          while (ancestor) {\n            for (var i = 0; i < cbs.destroy.length; ++i) {\n              cbs.destroy[i](ancestor);\n            }\n            ancestor.elm = vnode.elm;\n            if (patchable) {\n              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n                cbs.create[i$1](emptyNode, ancestor);\n              }\n              // #6513\n              // invoke insert hooks that may have been merged by create hooks.\n              // e.g. for directives that uses the \"inserted\" hook.\n              var insert = ancestor.data.hook.insert;\n              if (insert.merged) {\n                // start at index 1 to avoid re-invoking component mounted hook\n                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {\n                  insert.fns[i$2]();\n                }\n              }\n            } else {\n              registerRef(ancestor);\n            }\n            ancestor = ancestor.parent;\n          }\n        }\n\n        // destroy old node\n        if (isDef(parentElm$1)) {\n          removeVnodes(parentElm$1, [oldVnode], 0, 0);\n        } else if (isDef(oldVnode.tag)) {\n          invokeDestroyHook(oldVnode);\n        }\n      }\n    }\n\n    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);\n    return vnode.elm\n  }\n}\n\n/*  */\n\nvar directives = {\n  create: updateDirectives,\n  update: updateDirectives,\n  destroy: function unbindDirectives (vnode) {\n    updateDirectives(vnode, emptyNode);\n  }\n};\n\nfunction updateDirectives (oldVnode, vnode) {\n  if (oldVnode.data.directives || vnode.data.directives) {\n    _update(oldVnode, vnode);\n  }\n}\n\nfunction _update (oldVnode, vnode) {\n  var isCreate = oldVnode === emptyNode;\n  var isDestroy = vnode === emptyNode;\n  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);\n  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);\n\n  var dirsWithInsert = [];\n  var dirsWithPostpatch = [];\n\n  var key, oldDir, dir;\n  for (key in newDirs) {\n    oldDir = oldDirs[key];\n    dir = newDirs[key];\n    if (!oldDir) {\n      // new directive, bind\n      callHook$1(dir, 'bind', vnode, oldVnode);\n      if (dir.def && dir.def.inserted) {\n        dirsWithInsert.push(dir);\n      }\n    } else {\n      // existing directive, update\n      dir.oldValue = oldDir.value;\n      callHook$1(dir, 'update', vnode, oldVnode);\n      if (dir.def && dir.def.componentUpdated) {\n        dirsWithPostpatch.push(dir);\n      }\n    }\n  }\n\n  if (dirsWithInsert.length) {\n    var callInsert = function () {\n      for (var i = 0; i < dirsWithInsert.length; i++) {\n        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);\n      }\n    };\n    if (isCreate) {\n      mergeVNodeHook(vnode, 'insert', callInsert);\n    } else {\n      callInsert();\n    }\n  }\n\n  if (dirsWithPostpatch.length) {\n    mergeVNodeHook(vnode, 'postpatch', function () {\n      for (var i = 0; i < dirsWithPostpatch.length; i++) {\n        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);\n      }\n    });\n  }\n\n  if (!isCreate) {\n    for (key in oldDirs) {\n      if (!newDirs[key]) {\n        // no longer present, unbind\n        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);\n      }\n    }\n  }\n}\n\nvar emptyModifiers = Object.create(null);\n\nfunction normalizeDirectives$1 (\n  dirs,\n  vm\n) {\n  var res = Object.create(null);\n  if (!dirs) {\n    // $flow-disable-line\n    return res\n  }\n  var i, dir;\n  for (i = 0; i < dirs.length; i++) {\n    dir = dirs[i];\n    if (!dir.modifiers) {\n      // $flow-disable-line\n      dir.modifiers = emptyModifiers;\n    }\n    res[getRawDirName(dir)] = dir;\n    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);\n  }\n  // $flow-disable-line\n  return res\n}\n\nfunction getRawDirName (dir) {\n  return dir.rawName || ((dir.name) + \".\" + (Object.keys(dir.modifiers || {}).join('.')))\n}\n\nfunction callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {\n  var fn = dir.def && dir.def[hook];\n  if (fn) {\n    try {\n      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);\n    } catch (e) {\n      handleError(e, vnode.context, (\"directive \" + (dir.name) + \" \" + hook + \" hook\"));\n    }\n  }\n}\n\nvar baseModules = [\n  ref,\n  directives\n];\n\n/*  */\n\nfunction updateAttrs (oldVnode, vnode) {\n  var opts = vnode.componentOptions;\n  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {\n    return\n  }\n  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {\n    return\n  }\n  var key, cur, old;\n  var elm = vnode.elm;\n  var oldAttrs = oldVnode.data.attrs || {};\n  var attrs = vnode.data.attrs || {};\n  // clone observed objects, as the user probably wants to mutate it\n  if (isDef(attrs.__ob__)) {\n    attrs = vnode.data.attrs = extend({}, attrs);\n  }\n\n  for (key in attrs) {\n    cur = attrs[key];\n    old = oldAttrs[key];\n    if (old !== cur) {\n      setAttr(elm, key, cur);\n    }\n  }\n  // #4391: in IE9, setting type can reset value for input[type=radio]\n  // #6666: IE/Edge forces progress value down to 1 before setting a max\n  /* istanbul ignore if */\n  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {\n    setAttr(elm, 'value', attrs.value);\n  }\n  for (key in oldAttrs) {\n    if (isUndef(attrs[key])) {\n      if (isXlink(key)) {\n        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));\n      } else if (!isEnumeratedAttr(key)) {\n        elm.removeAttribute(key);\n      }\n    }\n  }\n}\n\nfunction setAttr (el, key, value) {\n  if (isBooleanAttr(key)) {\n    // set attribute for blank value\n    // e.g. <option disabled>Select one</option>\n    if (isFalsyAttrValue(value)) {\n      el.removeAttribute(key);\n    } else {\n      // technically allowfullscreen is a boolean attribute for <iframe>,\n      // but Flash expects a value of \"true\" when used on <embed> tag\n      value = key === 'allowfullscreen' && el.tagName === 'EMBED'\n        ? 'true'\n        : key;\n      el.setAttribute(key, value);\n    }\n  } else if (isEnumeratedAttr(key)) {\n    el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');\n  } else if (isXlink(key)) {\n    if (isFalsyAttrValue(value)) {\n      el.removeAttributeNS(xlinkNS, getXlinkProp(key));\n    } else {\n      el.setAttributeNS(xlinkNS, key, value);\n    }\n  } else {\n    if (isFalsyAttrValue(value)) {\n      el.removeAttribute(key);\n    } else {\n      // #7138: IE10 & 11 fires input event when setting placeholder on\n      // <textarea>... block the first input event and remove the blocker\n      // immediately.\n      /* istanbul ignore if */\n      if (\n        isIE && !isIE9 &&\n        el.tagName === 'TEXTAREA' &&\n        key === 'placeholder' && !el.__ieph\n      ) {\n        var blocker = function (e) {\n          e.stopImmediatePropagation();\n          el.removeEventListener('input', blocker);\n        };\n        el.addEventListener('input', blocker);\n        // $flow-disable-line\n        el.__ieph = true; /* IE placeholder patched */\n      }\n      el.setAttribute(key, value);\n    }\n  }\n}\n\nvar attrs = {\n  create: updateAttrs,\n  update: updateAttrs\n};\n\n/*  */\n\nfunction updateClass (oldVnode, vnode) {\n  var el = vnode.elm;\n  var data = vnode.data;\n  var oldData = oldVnode.data;\n  if (\n    isUndef(data.staticClass) &&\n    isUndef(data.class) && (\n      isUndef(oldData) || (\n        isUndef(oldData.staticClass) &&\n        isUndef(oldData.class)\n      )\n    )\n  ) {\n    return\n  }\n\n  var cls = genClassForVnode(vnode);\n\n  // handle transition classes\n  var transitionClass = el._transitionClasses;\n  if (isDef(transitionClass)) {\n    cls = concat(cls, stringifyClass(transitionClass));\n  }\n\n  // set the class\n  if (cls !== el._prevClass) {\n    el.setAttribute('class', cls);\n    el._prevClass = cls;\n  }\n}\n\nvar klass = {\n  create: updateClass,\n  update: updateClass\n};\n\n/*  */\n\n/*  */\n\n\n\n\n\n\n\n\n\n// add a raw attr (use this in preTransforms)\n\n\n\n\n\n\n\n\n// note: this only removes the attr from the Array (attrsList) so that it\n// doesn't get processed by processAttrs.\n// By default it does NOT remove it from the map (attrsMap) because the map is\n// needed during codegen.\n\n/*  */\n\n/**\n * Cross-platform code generation for component v-model\n */\n\n\n/**\n * Cross-platform codegen helper for generating v-model value assignment code.\n */\n\n/*  */\n\n// in some cases, the event used has to be determined at runtime\n// so we used some reserved tokens during compile.\nvar RANGE_TOKEN = '__r';\nvar CHECKBOX_RADIO_TOKEN = '__c';\n\n/*  */\n\n// normalize v-model event tokens that can only be determined at runtime.\n// it's important to place the event as the first in the array because\n// the whole point is ensuring the v-model callback gets called before\n// user-attached handlers.\nfunction normalizeEvents (on) {\n  /* istanbul ignore if */\n  if (isDef(on[RANGE_TOKEN])) {\n    // IE input[type=range] only supports `change` event\n    var event = isIE ? 'change' : 'input';\n    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);\n    delete on[RANGE_TOKEN];\n  }\n  // This was originally intended to fix #4521 but no longer necessary\n  // after 2.5. Keeping it for backwards compat with generated code from < 2.4\n  /* istanbul ignore if */\n  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {\n    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);\n    delete on[CHECKBOX_RADIO_TOKEN];\n  }\n}\n\nvar target$1;\n\nfunction createOnceHandler (handler, event, capture) {\n  var _target = target$1; // save current target element in closure\n  return function onceHandler () {\n    var res = handler.apply(null, arguments);\n    if (res !== null) {\n      remove$2(event, onceHandler, capture, _target);\n    }\n  }\n}\n\nfunction add$1 (\n  event,\n  handler,\n  once$$1,\n  capture,\n  passive\n) {\n  handler = withMacroTask(handler);\n  if (once$$1) { handler = createOnceHandler(handler, event, capture); }\n  target$1.addEventListener(\n    event,\n    handler,\n    supportsPassive\n      ? { capture: capture, passive: passive }\n      : capture\n  );\n}\n\nfunction remove$2 (\n  event,\n  handler,\n  capture,\n  _target\n) {\n  (_target || target$1).removeEventListener(\n    event,\n    handler._withTask || handler,\n    capture\n  );\n}\n\nfunction updateDOMListeners (oldVnode, vnode) {\n  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {\n    return\n  }\n  var on = vnode.data.on || {};\n  var oldOn = oldVnode.data.on || {};\n  target$1 = vnode.elm;\n  normalizeEvents(on);\n  updateListeners(on, oldOn, add$1, remove$2, vnode.context);\n  target$1 = undefined;\n}\n\nvar events = {\n  create: updateDOMListeners,\n  update: updateDOMListeners\n};\n\n/*  */\n\nfunction updateDOMProps (oldVnode, vnode) {\n  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {\n    return\n  }\n  var key, cur;\n  var elm = vnode.elm;\n  var oldProps = oldVnode.data.domProps || {};\n  var props = vnode.data.domProps || {};\n  // clone observed objects, as the user probably wants to mutate it\n  if (isDef(props.__ob__)) {\n    props = vnode.data.domProps = extend({}, props);\n  }\n\n  for (key in oldProps) {\n    if (isUndef(props[key])) {\n      elm[key] = '';\n    }\n  }\n  for (key in props) {\n    cur = props[key];\n    // ignore children if the node has textContent or innerHTML,\n    // as these will throw away existing DOM nodes and cause removal errors\n    // on subsequent patches (#3360)\n    if (key === 'textContent' || key === 'innerHTML') {\n      if (vnode.children) { vnode.children.length = 0; }\n      if (cur === oldProps[key]) { continue }\n      // #6601 work around Chrome version <= 55 bug where single textNode\n      // replaced by innerHTML/textContent retains its parentNode property\n      if (elm.childNodes.length === 1) {\n        elm.removeChild(elm.childNodes[0]);\n      }\n    }\n\n    if (key === 'value') {\n      // store value as _value as well since\n      // non-string values will be stringified\n      elm._value = cur;\n      // avoid resetting cursor position when value is the same\n      var strCur = isUndef(cur) ? '' : String(cur);\n      if (shouldUpdateValue(elm, strCur)) {\n        elm.value = strCur;\n      }\n    } else {\n      elm[key] = cur;\n    }\n  }\n}\n\n// check platforms/web/util/attrs.js acceptValue\n\n\nfunction shouldUpdateValue (elm, checkVal) {\n  return (!elm.composing && (\n    elm.tagName === 'OPTION' ||\n    isNotInFocusAndDirty(elm, checkVal) ||\n    isDirtyWithModifiers(elm, checkVal)\n  ))\n}\n\nfunction isNotInFocusAndDirty (elm, checkVal) {\n  // return true when textbox (.number and .trim) loses focus and its value is\n  // not equal to the updated value\n  var notInFocus = true;\n  // #6157\n  // work around IE bug when accessing document.activeElement in an iframe\n  try { notInFocus = document.activeElement !== elm; } catch (e) {}\n  return notInFocus && elm.value !== checkVal\n}\n\nfunction isDirtyWithModifiers (elm, newVal) {\n  var value = elm.value;\n  var modifiers = elm._vModifiers; // injected by v-model runtime\n  if (isDef(modifiers)) {\n    if (modifiers.lazy) {\n      // inputs with lazy should only be updated when not in focus\n      return false\n    }\n    if (modifiers.number) {\n      return toNumber(value) !== toNumber(newVal)\n    }\n    if (modifiers.trim) {\n      return value.trim() !== newVal.trim()\n    }\n  }\n  return value !== newVal\n}\n\nvar domProps = {\n  create: updateDOMProps,\n  update: updateDOMProps\n};\n\n/*  */\n\nvar parseStyleText = cached(function (cssText) {\n  var res = {};\n  var listDelimiter = /;(?![^(]*\\))/g;\n  var propertyDelimiter = /:(.+)/;\n  cssText.split(listDelimiter).forEach(function (item) {\n    if (item) {\n      var tmp = item.split(propertyDelimiter);\n      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());\n    }\n  });\n  return res\n});\n\n// merge static and dynamic style data on the same vnode\nfunction normalizeStyleData (data) {\n  var style = normalizeStyleBinding(data.style);\n  // static style is pre-processed into an object during compilation\n  // and is always a fresh object, so it's safe to merge into it\n  return data.staticStyle\n    ? extend(data.staticStyle, style)\n    : style\n}\n\n// normalize possible array / string values into Object\nfunction normalizeStyleBinding (bindingStyle) {\n  if (Array.isArray(bindingStyle)) {\n    return toObject(bindingStyle)\n  }\n  if (typeof bindingStyle === 'string') {\n    return parseStyleText(bindingStyle)\n  }\n  return bindingStyle\n}\n\n/**\n * parent component style should be after child's\n * so that parent component's style could override it\n */\nfunction getStyle (vnode, checkChild) {\n  var res = {};\n  var styleData;\n\n  if (checkChild) {\n    var childNode = vnode;\n    while (childNode.componentInstance) {\n      childNode = childNode.componentInstance._vnode;\n      if (\n        childNode && childNode.data &&\n        (styleData = normalizeStyleData(childNode.data))\n      ) {\n        extend(res, styleData);\n      }\n    }\n  }\n\n  if ((styleData = normalizeStyleData(vnode.data))) {\n    extend(res, styleData);\n  }\n\n  var parentNode = vnode;\n  while ((parentNode = parentNode.parent)) {\n    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {\n      extend(res, styleData);\n    }\n  }\n  return res\n}\n\n/*  */\n\nvar cssVarRE = /^--/;\nvar importantRE = /\\s*!important$/;\nvar setProp = function (el, name, val) {\n  /* istanbul ignore if */\n  if (cssVarRE.test(name)) {\n    el.style.setProperty(name, val);\n  } else if (importantRE.test(val)) {\n    el.style.setProperty(name, val.replace(importantRE, ''), 'important');\n  } else {\n    var normalizedName = normalize(name);\n    if (Array.isArray(val)) {\n      // Support values array created by autoprefixer, e.g.\n      // {display: [\"-webkit-box\", \"-ms-flexbox\", \"flex\"]}\n      // Set them one by one, and the browser will only set those it can recognize\n      for (var i = 0, len = val.length; i < len; i++) {\n        el.style[normalizedName] = val[i];\n      }\n    } else {\n      el.style[normalizedName] = val;\n    }\n  }\n};\n\nvar vendorNames = ['Webkit', 'Moz', 'ms'];\n\nvar emptyStyle;\nvar normalize = cached(function (prop) {\n  emptyStyle = emptyStyle || document.createElement('div').style;\n  prop = camelize(prop);\n  if (prop !== 'filter' && (prop in emptyStyle)) {\n    return prop\n  }\n  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);\n  for (var i = 0; i < vendorNames.length; i++) {\n    var name = vendorNames[i] + capName;\n    if (name in emptyStyle) {\n      return name\n    }\n  }\n});\n\nfunction updateStyle (oldVnode, vnode) {\n  var data = vnode.data;\n  var oldData = oldVnode.data;\n\n  if (isUndef(data.staticStyle) && isUndef(data.style) &&\n    isUndef(oldData.staticStyle) && isUndef(oldData.style)\n  ) {\n    return\n  }\n\n  var cur, name;\n  var el = vnode.elm;\n  var oldStaticStyle = oldData.staticStyle;\n  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};\n\n  // if static style exists, stylebinding already merged into it when doing normalizeStyleData\n  var oldStyle = oldStaticStyle || oldStyleBinding;\n\n  var style = normalizeStyleBinding(vnode.data.style) || {};\n\n  // store normalized style under a different key for next diff\n  // make sure to clone it if it's reactive, since the user likely wants\n  // to mutate it.\n  vnode.data.normalizedStyle = isDef(style.__ob__)\n    ? extend({}, style)\n    : style;\n\n  var newStyle = getStyle(vnode, true);\n\n  for (name in oldStyle) {\n    if (isUndef(newStyle[name])) {\n      setProp(el, name, '');\n    }\n  }\n  for (name in newStyle) {\n    cur = newStyle[name];\n    if (cur !== oldStyle[name]) {\n      // ie9 setting to null has no effect, must use empty string\n      setProp(el, name, cur == null ? '' : cur);\n    }\n  }\n}\n\nvar style = {\n  create: updateStyle,\n  update: updateStyle\n};\n\n/*  */\n\n/**\n * Add class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction addClass (el, cls) {\n  /* istanbul ignore if */\n  if (!cls || !(cls = cls.trim())) {\n    return\n  }\n\n  /* istanbul ignore else */\n  if (el.classList) {\n    if (cls.indexOf(' ') > -1) {\n      cls.split(/\\s+/).forEach(function (c) { return el.classList.add(c); });\n    } else {\n      el.classList.add(cls);\n    }\n  } else {\n    var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n    if (cur.indexOf(' ' + cls + ' ') < 0) {\n      el.setAttribute('class', (cur + cls).trim());\n    }\n  }\n}\n\n/**\n * Remove class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction removeClass (el, cls) {\n  /* istanbul ignore if */\n  if (!cls || !(cls = cls.trim())) {\n    return\n  }\n\n  /* istanbul ignore else */\n  if (el.classList) {\n    if (cls.indexOf(' ') > -1) {\n      cls.split(/\\s+/).forEach(function (c) { return el.classList.remove(c); });\n    } else {\n      el.classList.remove(cls);\n    }\n    if (!el.classList.length) {\n      el.removeAttribute('class');\n    }\n  } else {\n    var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n    var tar = ' ' + cls + ' ';\n    while (cur.indexOf(tar) >= 0) {\n      cur = cur.replace(tar, ' ');\n    }\n    cur = cur.trim();\n    if (cur) {\n      el.setAttribute('class', cur);\n    } else {\n      el.removeAttribute('class');\n    }\n  }\n}\n\n/*  */\n\nfunction resolveTransition (def) {\n  if (!def) {\n    return\n  }\n  /* istanbul ignore else */\n  if (typeof def === 'object') {\n    var res = {};\n    if (def.css !== false) {\n      extend(res, autoCssTransition(def.name || 'v'));\n    }\n    extend(res, def);\n    return res\n  } else if (typeof def === 'string') {\n    return autoCssTransition(def)\n  }\n}\n\nvar autoCssTransition = cached(function (name) {\n  return {\n    enterClass: (name + \"-enter\"),\n    enterToClass: (name + \"-enter-to\"),\n    enterActiveClass: (name + \"-enter-active\"),\n    leaveClass: (name + \"-leave\"),\n    leaveToClass: (name + \"-leave-to\"),\n    leaveActiveClass: (name + \"-leave-active\")\n  }\n});\n\nvar hasTransition = inBrowser && !isIE9;\nvar TRANSITION = 'transition';\nvar ANIMATION = 'animation';\n\n// Transition property/event sniffing\nvar transitionProp = 'transition';\nvar transitionEndEvent = 'transitionend';\nvar animationProp = 'animation';\nvar animationEndEvent = 'animationend';\nif (hasTransition) {\n  /* istanbul ignore if */\n  if (window.ontransitionend === undefined &&\n    window.onwebkittransitionend !== undefined\n  ) {\n    transitionProp = 'WebkitTransition';\n    transitionEndEvent = 'webkitTransitionEnd';\n  }\n  if (window.onanimationend === undefined &&\n    window.onwebkitanimationend !== undefined\n  ) {\n    animationProp = 'WebkitAnimation';\n    animationEndEvent = 'webkitAnimationEnd';\n  }\n}\n\n// binding to window is necessary to make hot reload work in IE in strict mode\nvar raf = inBrowser\n  ? window.requestAnimationFrame\n    ? window.requestAnimationFrame.bind(window)\n    : setTimeout\n  : /* istanbul ignore next */ function (fn) { return fn(); };\n\nfunction nextFrame (fn) {\n  raf(function () {\n    raf(fn);\n  });\n}\n\nfunction addTransitionClass (el, cls) {\n  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);\n  if (transitionClasses.indexOf(cls) < 0) {\n    transitionClasses.push(cls);\n    addClass(el, cls);\n  }\n}\n\nfunction removeTransitionClass (el, cls) {\n  if (el._transitionClasses) {\n    remove(el._transitionClasses, cls);\n  }\n  removeClass(el, cls);\n}\n\nfunction whenTransitionEnds (\n  el,\n  expectedType,\n  cb\n) {\n  var ref = getTransitionInfo(el, expectedType);\n  var type = ref.type;\n  var timeout = ref.timeout;\n  var propCount = ref.propCount;\n  if (!type) { return cb() }\n  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;\n  var ended = 0;\n  var end = function () {\n    el.removeEventListener(event, onEnd);\n    cb();\n  };\n  var onEnd = function (e) {\n    if (e.target === el) {\n      if (++ended >= propCount) {\n        end();\n      }\n    }\n  };\n  setTimeout(function () {\n    if (ended < propCount) {\n      end();\n    }\n  }, timeout + 1);\n  el.addEventListener(event, onEnd);\n}\n\nvar transformRE = /\\b(transform|all)(,|$)/;\n\nfunction getTransitionInfo (el, expectedType) {\n  var styles = window.getComputedStyle(el);\n  var transitionDelays = styles[transitionProp + 'Delay'].split(', ');\n  var transitionDurations = styles[transitionProp + 'Duration'].split(', ');\n  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);\n  var animationDelays = styles[animationProp + 'Delay'].split(', ');\n  var animationDurations = styles[animationProp + 'Duration'].split(', ');\n  var animationTimeout = getTimeout(animationDelays, animationDurations);\n\n  var type;\n  var timeout = 0;\n  var propCount = 0;\n  /* istanbul ignore if */\n  if (expectedType === TRANSITION) {\n    if (transitionTimeout > 0) {\n      type = TRANSITION;\n      timeout = transitionTimeout;\n      propCount = transitionDurations.length;\n    }\n  } else if (expectedType === ANIMATION) {\n    if (animationTimeout > 0) {\n      type = ANIMATION;\n      timeout = animationTimeout;\n      propCount = animationDurations.length;\n    }\n  } else {\n    timeout = Math.max(transitionTimeout, animationTimeout);\n    type = timeout > 0\n      ? transitionTimeout > animationTimeout\n        ? TRANSITION\n        : ANIMATION\n      : null;\n    propCount = type\n      ? type === TRANSITION\n        ? transitionDurations.length\n        : animationDurations.length\n      : 0;\n  }\n  var hasTransform =\n    type === TRANSITION &&\n    transformRE.test(styles[transitionProp + 'Property']);\n  return {\n    type: type,\n    timeout: timeout,\n    propCount: propCount,\n    hasTransform: hasTransform\n  }\n}\n\nfunction getTimeout (delays, durations) {\n  /* istanbul ignore next */\n  while (delays.length < durations.length) {\n    delays = delays.concat(delays);\n  }\n\n  return Math.max.apply(null, durations.map(function (d, i) {\n    return toMs(d) + toMs(delays[i])\n  }))\n}\n\nfunction toMs (s) {\n  return Number(s.slice(0, -1)) * 1000\n}\n\n/*  */\n\nfunction enter (vnode, toggleDisplay) {\n  var el = vnode.elm;\n\n  // call leave callback now\n  if (isDef(el._leaveCb)) {\n    el._leaveCb.cancelled = true;\n    el._leaveCb();\n  }\n\n  var data = resolveTransition(vnode.data.transition);\n  if (isUndef(data)) {\n    return\n  }\n\n  /* istanbul ignore if */\n  if (isDef(el._enterCb) || el.nodeType !== 1) {\n    return\n  }\n\n  var css = data.css;\n  var type = data.type;\n  var enterClass = data.enterClass;\n  var enterToClass = data.enterToClass;\n  var enterActiveClass = data.enterActiveClass;\n  var appearClass = data.appearClass;\n  var appearToClass = data.appearToClass;\n  var appearActiveClass = data.appearActiveClass;\n  var beforeEnter = data.beforeEnter;\n  var enter = data.enter;\n  var afterEnter = data.afterEnter;\n  var enterCancelled = data.enterCancelled;\n  var beforeAppear = data.beforeAppear;\n  var appear = data.appear;\n  var afterAppear = data.afterAppear;\n  var appearCancelled = data.appearCancelled;\n  var duration = data.duration;\n\n  // activeInstance will always be the <transition> component managing this\n  // transition. One edge case to check is when the <transition> is placed\n  // as the root node of a child component. In that case we need to check\n  // <transition>'s parent for appear check.\n  var context = activeInstance;\n  var transitionNode = activeInstance.$vnode;\n  while (transitionNode && transitionNode.parent) {\n    transitionNode = transitionNode.parent;\n    context = transitionNode.context;\n  }\n\n  var isAppear = !context._isMounted || !vnode.isRootInsert;\n\n  if (isAppear && !appear && appear !== '') {\n    return\n  }\n\n  var startClass = isAppear && appearClass\n    ? appearClass\n    : enterClass;\n  var activeClass = isAppear && appearActiveClass\n    ? appearActiveClass\n    : enterActiveClass;\n  var toClass = isAppear && appearToClass\n    ? appearToClass\n    : enterToClass;\n\n  var beforeEnterHook = isAppear\n    ? (beforeAppear || beforeEnter)\n    : beforeEnter;\n  var enterHook = isAppear\n    ? (typeof appear === 'function' ? appear : enter)\n    : enter;\n  var afterEnterHook = isAppear\n    ? (afterAppear || afterEnter)\n    : afterEnter;\n  var enterCancelledHook = isAppear\n    ? (appearCancelled || enterCancelled)\n    : enterCancelled;\n\n  var explicitEnterDuration = toNumber(\n    isObject(duration)\n      ? duration.enter\n      : duration\n  );\n\n  if (process.env.NODE_ENV !== 'production' && explicitEnterDuration != null) {\n    checkDuration(explicitEnterDuration, 'enter', vnode);\n  }\n\n  var expectsCSS = css !== false && !isIE9;\n  var userWantsControl = getHookArgumentsLength(enterHook);\n\n  var cb = el._enterCb = once(function () {\n    if (expectsCSS) {\n      removeTransitionClass(el, toClass);\n      removeTransitionClass(el, activeClass);\n    }\n    if (cb.cancelled) {\n      if (expectsCSS) {\n        removeTransitionClass(el, startClass);\n      }\n      enterCancelledHook && enterCancelledHook(el);\n    } else {\n      afterEnterHook && afterEnterHook(el);\n    }\n    el._enterCb = null;\n  });\n\n  if (!vnode.data.show) {\n    // remove pending leave element on enter by injecting an insert hook\n    mergeVNodeHook(vnode, 'insert', function () {\n      var parent = el.parentNode;\n      var pendingNode = parent && parent._pending && parent._pending[vnode.key];\n      if (pendingNode &&\n        pendingNode.tag === vnode.tag &&\n        pendingNode.elm._leaveCb\n      ) {\n        pendingNode.elm._leaveCb();\n      }\n      enterHook && enterHook(el, cb);\n    });\n  }\n\n  // start enter transition\n  beforeEnterHook && beforeEnterHook(el);\n  if (expectsCSS) {\n    addTransitionClass(el, startClass);\n    addTransitionClass(el, activeClass);\n    nextFrame(function () {\n      addTransitionClass(el, toClass);\n      removeTransitionClass(el, startClass);\n      if (!cb.cancelled && !userWantsControl) {\n        if (isValidDuration(explicitEnterDuration)) {\n          setTimeout(cb, explicitEnterDuration);\n        } else {\n          whenTransitionEnds(el, type, cb);\n        }\n      }\n    });\n  }\n\n  if (vnode.data.show) {\n    toggleDisplay && toggleDisplay();\n    enterHook && enterHook(el, cb);\n  }\n\n  if (!expectsCSS && !userWantsControl) {\n    cb();\n  }\n}\n\nfunction leave (vnode, rm) {\n  var el = vnode.elm;\n\n  // call enter callback now\n  if (isDef(el._enterCb)) {\n    el._enterCb.cancelled = true;\n    el._enterCb();\n  }\n\n  var data = resolveTransition(vnode.data.transition);\n  if (isUndef(data) || el.nodeType !== 1) {\n    return rm()\n  }\n\n  /* istanbul ignore if */\n  if (isDef(el._leaveCb)) {\n    return\n  }\n\n  var css = data.css;\n  var type = data.type;\n  var leaveClass = data.leaveClass;\n  var leaveToClass = data.leaveToClass;\n  var leaveActiveClass = data.leaveActiveClass;\n  var beforeLeave = data.beforeLeave;\n  var leave = data.leave;\n  var afterLeave = data.afterLeave;\n  var leaveCancelled = data.leaveCancelled;\n  var delayLeave = data.delayLeave;\n  var duration = data.duration;\n\n  var expectsCSS = css !== false && !isIE9;\n  var userWantsControl = getHookArgumentsLength(leave);\n\n  var explicitLeaveDuration = toNumber(\n    isObject(duration)\n      ? duration.leave\n      : duration\n  );\n\n  if (process.env.NODE_ENV !== 'production' && isDef(explicitLeaveDuration)) {\n    checkDuration(explicitLeaveDuration, 'leave', vnode);\n  }\n\n  var cb = el._leaveCb = once(function () {\n    if (el.parentNode && el.parentNode._pending) {\n      el.parentNode._pending[vnode.key] = null;\n    }\n    if (expectsCSS) {\n      removeTransitionClass(el, leaveToClass);\n      removeTransitionClass(el, leaveActiveClass);\n    }\n    if (cb.cancelled) {\n      if (expectsCSS) {\n        removeTransitionClass(el, leaveClass);\n      }\n      leaveCancelled && leaveCancelled(el);\n    } else {\n      rm();\n      afterLeave && afterLeave(el);\n    }\n    el._leaveCb = null;\n  });\n\n  if (delayLeave) {\n    delayLeave(performLeave);\n  } else {\n    performLeave();\n  }\n\n  function performLeave () {\n    // the delayed leave may have already been cancelled\n    if (cb.cancelled) {\n      return\n    }\n    // record leaving element\n    if (!vnode.data.show) {\n      (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;\n    }\n    beforeLeave && beforeLeave(el);\n    if (expectsCSS) {\n      addTransitionClass(el, leaveClass);\n      addTransitionClass(el, leaveActiveClass);\n      nextFrame(function () {\n        addTransitionClass(el, leaveToClass);\n        removeTransitionClass(el, leaveClass);\n        if (!cb.cancelled && !userWantsControl) {\n          if (isValidDuration(explicitLeaveDuration)) {\n            setTimeout(cb, explicitLeaveDuration);\n          } else {\n            whenTransitionEnds(el, type, cb);\n          }\n        }\n      });\n    }\n    leave && leave(el, cb);\n    if (!expectsCSS && !userWantsControl) {\n      cb();\n    }\n  }\n}\n\n// only used in dev mode\nfunction checkDuration (val, name, vnode) {\n  if (typeof val !== 'number') {\n    warn(\n      \"<transition> explicit \" + name + \" duration is not a valid number - \" +\n      \"got \" + (JSON.stringify(val)) + \".\",\n      vnode.context\n    );\n  } else if (isNaN(val)) {\n    warn(\n      \"<transition> explicit \" + name + \" duration is NaN - \" +\n      'the duration expression might be incorrect.',\n      vnode.context\n    );\n  }\n}\n\nfunction isValidDuration (val) {\n  return typeof val === 'number' && !isNaN(val)\n}\n\n/**\n * Normalize a transition hook's argument length. The hook may be:\n * - a merged hook (invoker) with the original in .fns\n * - a wrapped component method (check ._length)\n * - a plain function (.length)\n */\nfunction getHookArgumentsLength (fn) {\n  if (isUndef(fn)) {\n    return false\n  }\n  var invokerFns = fn.fns;\n  if (isDef(invokerFns)) {\n    // invoker\n    return getHookArgumentsLength(\n      Array.isArray(invokerFns)\n        ? invokerFns[0]\n        : invokerFns\n    )\n  } else {\n    return (fn._length || fn.length) > 1\n  }\n}\n\nfunction _enter (_, vnode) {\n  if (vnode.data.show !== true) {\n    enter(vnode);\n  }\n}\n\nvar transition = inBrowser ? {\n  create: _enter,\n  activate: _enter,\n  remove: function remove$$1 (vnode, rm) {\n    /* istanbul ignore else */\n    if (vnode.data.show !== true) {\n      leave(vnode, rm);\n    } else {\n      rm();\n    }\n  }\n} : {};\n\nvar platformModules = [\n  attrs,\n  klass,\n  events,\n  domProps,\n  style,\n  transition\n];\n\n/*  */\n\n// the directive module should be applied last, after all\n// built-in modules have been applied.\nvar modules = platformModules.concat(baseModules);\n\nvar patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });\n\n/**\n * Not type checking this file because flow doesn't like attaching\n * properties to Elements.\n */\n\n/* istanbul ignore if */\nif (isIE9) {\n  // http://www.matts411.com/post/internet-explorer-9-oninput/\n  document.addEventListener('selectionchange', function () {\n    var el = document.activeElement;\n    if (el && el.vmodel) {\n      trigger(el, 'input');\n    }\n  });\n}\n\nvar directive = {\n  inserted: function inserted (el, binding, vnode, oldVnode) {\n    if (vnode.tag === 'select') {\n      // #6903\n      if (oldVnode.elm && !oldVnode.elm._vOptions) {\n        mergeVNodeHook(vnode, 'postpatch', function () {\n          directive.componentUpdated(el, binding, vnode);\n        });\n      } else {\n        setSelected(el, binding, vnode.context);\n      }\n      el._vOptions = [].map.call(el.options, getValue);\n    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {\n      el._vModifiers = binding.modifiers;\n      if (!binding.modifiers.lazy) {\n        // Safari < 10.2 & UIWebView doesn't fire compositionend when\n        // switching focus before confirming composition choice\n        // this also fixes the issue where some browsers e.g. iOS Chrome\n        // fires \"change\" instead of \"input\" on autocomplete.\n        el.addEventListener('change', onCompositionEnd);\n        if (!isAndroid) {\n          el.addEventListener('compositionstart', onCompositionStart);\n          el.addEventListener('compositionend', onCompositionEnd);\n        }\n        /* istanbul ignore if */\n        if (isIE9) {\n          el.vmodel = true;\n        }\n      }\n    }\n  },\n\n  componentUpdated: function componentUpdated (el, binding, vnode) {\n    if (vnode.tag === 'select') {\n      setSelected(el, binding, vnode.context);\n      // in case the options rendered by v-for have changed,\n      // it's possible that the value is out-of-sync with the rendered options.\n      // detect such cases and filter out values that no longer has a matching\n      // option in the DOM.\n      var prevOptions = el._vOptions;\n      var curOptions = el._vOptions = [].map.call(el.options, getValue);\n      if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {\n        // trigger change event if\n        // no matching option found for at least one value\n        var needReset = el.multiple\n          ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })\n          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);\n        if (needReset) {\n          trigger(el, 'change');\n        }\n      }\n    }\n  }\n};\n\nfunction setSelected (el, binding, vm) {\n  actuallySetSelected(el, binding, vm);\n  /* istanbul ignore if */\n  if (isIE || isEdge) {\n    setTimeout(function () {\n      actuallySetSelected(el, binding, vm);\n    }, 0);\n  }\n}\n\nfunction actuallySetSelected (el, binding, vm) {\n  var value = binding.value;\n  var isMultiple = el.multiple;\n  if (isMultiple && !Array.isArray(value)) {\n    process.env.NODE_ENV !== 'production' && warn(\n      \"<select multiple v-model=\\\"\" + (binding.expression) + \"\\\"> \" +\n      \"expects an Array value for its binding, but got \" + (Object.prototype.toString.call(value).slice(8, -1)),\n      vm\n    );\n    return\n  }\n  var selected, option;\n  for (var i = 0, l = el.options.length; i < l; i++) {\n    option = el.options[i];\n    if (isMultiple) {\n      selected = looseIndexOf(value, getValue(option)) > -1;\n      if (option.selected !== selected) {\n        option.selected = selected;\n      }\n    } else {\n      if (looseEqual(getValue(option), value)) {\n        if (el.selectedIndex !== i) {\n          el.selectedIndex = i;\n        }\n        return\n      }\n    }\n  }\n  if (!isMultiple) {\n    el.selectedIndex = -1;\n  }\n}\n\nfunction hasNoMatchingOption (value, options) {\n  return options.every(function (o) { return !looseEqual(o, value); })\n}\n\nfunction getValue (option) {\n  return '_value' in option\n    ? option._value\n    : option.value\n}\n\nfunction onCompositionStart (e) {\n  e.target.composing = true;\n}\n\nfunction onCompositionEnd (e) {\n  // prevent triggering an input event for no reason\n  if (!e.target.composing) { return }\n  e.target.composing = false;\n  trigger(e.target, 'input');\n}\n\nfunction trigger (el, type) {\n  var e = document.createEvent('HTMLEvents');\n  e.initEvent(type, true, true);\n  el.dispatchEvent(e);\n}\n\n/*  */\n\n// recursively search for possible transition defined inside the component root\nfunction locateNode (vnode) {\n  return vnode.componentInstance && (!vnode.data || !vnode.data.transition)\n    ? locateNode(vnode.componentInstance._vnode)\n    : vnode\n}\n\nvar show = {\n  bind: function bind (el, ref, vnode) {\n    var value = ref.value;\n\n    vnode = locateNode(vnode);\n    var transition$$1 = vnode.data && vnode.data.transition;\n    var originalDisplay = el.__vOriginalDisplay =\n      el.style.display === 'none' ? '' : el.style.display;\n    if (value && transition$$1) {\n      vnode.data.show = true;\n      enter(vnode, function () {\n        el.style.display = originalDisplay;\n      });\n    } else {\n      el.style.display = value ? originalDisplay : 'none';\n    }\n  },\n\n  update: function update (el, ref, vnode) {\n    var value = ref.value;\n    var oldValue = ref.oldValue;\n\n    /* istanbul ignore if */\n    if (value === oldValue) { return }\n    vnode = locateNode(vnode);\n    var transition$$1 = vnode.data && vnode.data.transition;\n    if (transition$$1) {\n      vnode.data.show = true;\n      if (value) {\n        enter(vnode, function () {\n          el.style.display = el.__vOriginalDisplay;\n        });\n      } else {\n        leave(vnode, function () {\n          el.style.display = 'none';\n        });\n      }\n    } else {\n      el.style.display = value ? el.__vOriginalDisplay : 'none';\n    }\n  },\n\n  unbind: function unbind (\n    el,\n    binding,\n    vnode,\n    oldVnode,\n    isDestroy\n  ) {\n    if (!isDestroy) {\n      el.style.display = el.__vOriginalDisplay;\n    }\n  }\n};\n\nvar platformDirectives = {\n  model: directive,\n  show: show\n};\n\n/*  */\n\n// Provides transition support for a single element/component.\n// supports transition mode (out-in / in-out)\n\nvar transitionProps = {\n  name: String,\n  appear: Boolean,\n  css: Boolean,\n  mode: String,\n  type: String,\n  enterClass: String,\n  leaveClass: String,\n  enterToClass: String,\n  leaveToClass: String,\n  enterActiveClass: String,\n  leaveActiveClass: String,\n  appearClass: String,\n  appearActiveClass: String,\n  appearToClass: String,\n  duration: [Number, String, Object]\n};\n\n// in case the child is also an abstract component, e.g. <keep-alive>\n// we want to recursively retrieve the real component to be rendered\nfunction getRealChild (vnode) {\n  var compOptions = vnode && vnode.componentOptions;\n  if (compOptions && compOptions.Ctor.options.abstract) {\n    return getRealChild(getFirstComponentChild(compOptions.children))\n  } else {\n    return vnode\n  }\n}\n\nfunction extractTransitionData (comp) {\n  var data = {};\n  var options = comp.$options;\n  // props\n  for (var key in options.propsData) {\n    data[key] = comp[key];\n  }\n  // events.\n  // extract listeners and pass them directly to the transition methods\n  var listeners = options._parentListeners;\n  for (var key$1 in listeners) {\n    data[camelize(key$1)] = listeners[key$1];\n  }\n  return data\n}\n\nfunction placeholder (h, rawChild) {\n  if (/\\d-keep-alive$/.test(rawChild.tag)) {\n    return h('keep-alive', {\n      props: rawChild.componentOptions.propsData\n    })\n  }\n}\n\nfunction hasParentTransition (vnode) {\n  while ((vnode = vnode.parent)) {\n    if (vnode.data.transition) {\n      return true\n    }\n  }\n}\n\nfunction isSameChild (child, oldChild) {\n  return oldChild.key === child.key && oldChild.tag === child.tag\n}\n\nvar Transition = {\n  name: 'transition',\n  props: transitionProps,\n  abstract: true,\n\n  render: function render (h) {\n    var this$1 = this;\n\n    var children = this.$slots.default;\n    if (!children) {\n      return\n    }\n\n    // filter out text nodes (possible whitespaces)\n    children = children.filter(function (c) { return c.tag || isAsyncPlaceholder(c); });\n    /* istanbul ignore if */\n    if (!children.length) {\n      return\n    }\n\n    // warn multiple elements\n    if (process.env.NODE_ENV !== 'production' && children.length > 1) {\n      warn(\n        '<transition> can only be used on a single element. Use ' +\n        '<transition-group> for lists.',\n        this.$parent\n      );\n    }\n\n    var mode = this.mode;\n\n    // warn invalid mode\n    if (process.env.NODE_ENV !== 'production' &&\n      mode && mode !== 'in-out' && mode !== 'out-in'\n    ) {\n      warn(\n        'invalid <transition> mode: ' + mode,\n        this.$parent\n      );\n    }\n\n    var rawChild = children[0];\n\n    // if this is a component root node and the component's\n    // parent container node also has transition, skip.\n    if (hasParentTransition(this.$vnode)) {\n      return rawChild\n    }\n\n    // apply transition data to child\n    // use getRealChild() to ignore abstract components e.g. keep-alive\n    var child = getRealChild(rawChild);\n    /* istanbul ignore if */\n    if (!child) {\n      return rawChild\n    }\n\n    if (this._leaving) {\n      return placeholder(h, rawChild)\n    }\n\n    // ensure a key that is unique to the vnode type and to this transition\n    // component instance. This key will be used to remove pending leaving nodes\n    // during entering.\n    var id = \"__transition-\" + (this._uid) + \"-\";\n    child.key = child.key == null\n      ? child.isComment\n        ? id + 'comment'\n        : id + child.tag\n      : isPrimitive(child.key)\n        ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)\n        : child.key;\n\n    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);\n    var oldRawChild = this._vnode;\n    var oldChild = getRealChild(oldRawChild);\n\n    // mark v-show\n    // so that the transition module can hand over the control to the directive\n    if (child.data.directives && child.data.directives.some(function (d) { return d.name === 'show'; })) {\n      child.data.show = true;\n    }\n\n    if (\n      oldChild &&\n      oldChild.data &&\n      !isSameChild(child, oldChild) &&\n      !isAsyncPlaceholder(oldChild) &&\n      // #6687 component root is a comment node\n      !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)\n    ) {\n      // replace old child transition data with fresh one\n      // important for dynamic transitions!\n      var oldData = oldChild.data.transition = extend({}, data);\n      // handle transition mode\n      if (mode === 'out-in') {\n        // return placeholder node and queue update when leave finishes\n        this._leaving = true;\n        mergeVNodeHook(oldData, 'afterLeave', function () {\n          this$1._leaving = false;\n          this$1.$forceUpdate();\n        });\n        return placeholder(h, rawChild)\n      } else if (mode === 'in-out') {\n        if (isAsyncPlaceholder(child)) {\n          return oldRawChild\n        }\n        var delayedLeave;\n        var performLeave = function () { delayedLeave(); };\n        mergeVNodeHook(data, 'afterEnter', performLeave);\n        mergeVNodeHook(data, 'enterCancelled', performLeave);\n        mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });\n      }\n    }\n\n    return rawChild\n  }\n};\n\n/*  */\n\n// Provides transition support for list items.\n// supports move transitions using the FLIP technique.\n\n// Because the vdom's children update algorithm is \"unstable\" - i.e.\n// it doesn't guarantee the relative positioning of removed elements,\n// we force transition-group to update its children into two passes:\n// in the first pass, we remove all nodes that need to be removed,\n// triggering their leaving transition; in the second pass, we insert/move\n// into the final desired state. This way in the second pass removed\n// nodes will remain where they should be.\n\nvar props = extend({\n  tag: String,\n  moveClass: String\n}, transitionProps);\n\ndelete props.mode;\n\nvar TransitionGroup = {\n  props: props,\n\n  render: function render (h) {\n    var tag = this.tag || this.$vnode.data.tag || 'span';\n    var map = Object.create(null);\n    var prevChildren = this.prevChildren = this.children;\n    var rawChildren = this.$slots.default || [];\n    var children = this.children = [];\n    var transitionData = extractTransitionData(this);\n\n    for (var i = 0; i < rawChildren.length; i++) {\n      var c = rawChildren[i];\n      if (c.tag) {\n        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {\n          children.push(c);\n          map[c.key] = c\n          ;(c.data || (c.data = {})).transition = transitionData;\n        } else if (process.env.NODE_ENV !== 'production') {\n          var opts = c.componentOptions;\n          var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;\n          warn((\"<transition-group> children must be keyed: <\" + name + \">\"));\n        }\n      }\n    }\n\n    if (prevChildren) {\n      var kept = [];\n      var removed = [];\n      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {\n        var c$1 = prevChildren[i$1];\n        c$1.data.transition = transitionData;\n        c$1.data.pos = c$1.elm.getBoundingClientRect();\n        if (map[c$1.key]) {\n          kept.push(c$1);\n        } else {\n          removed.push(c$1);\n        }\n      }\n      this.kept = h(tag, null, kept);\n      this.removed = removed;\n    }\n\n    return h(tag, null, children)\n  },\n\n  beforeUpdate: function beforeUpdate () {\n    // force removing pass\n    this.__patch__(\n      this._vnode,\n      this.kept,\n      false, // hydrating\n      true // removeOnly (!important avoids unnecessary moves)\n    );\n    this._vnode = this.kept;\n  },\n\n  updated: function updated () {\n    var children = this.prevChildren;\n    var moveClass = this.moveClass || ((this.name || 'v') + '-move');\n    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {\n      return\n    }\n\n    // we divide the work into three loops to avoid mixing DOM reads and writes\n    // in each iteration - which helps prevent layout thrashing.\n    children.forEach(callPendingCbs);\n    children.forEach(recordPosition);\n    children.forEach(applyTranslation);\n\n    // force reflow to put everything in position\n    // assign to this to avoid being removed in tree-shaking\n    // $flow-disable-line\n    this._reflow = document.body.offsetHeight;\n\n    children.forEach(function (c) {\n      if (c.data.moved) {\n        var el = c.elm;\n        var s = el.style;\n        addTransitionClass(el, moveClass);\n        s.transform = s.WebkitTransform = s.transitionDuration = '';\n        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {\n          if (!e || /transform$/.test(e.propertyName)) {\n            el.removeEventListener(transitionEndEvent, cb);\n            el._moveCb = null;\n            removeTransitionClass(el, moveClass);\n          }\n        });\n      }\n    });\n  },\n\n  methods: {\n    hasMove: function hasMove (el, moveClass) {\n      /* istanbul ignore if */\n      if (!hasTransition) {\n        return false\n      }\n      /* istanbul ignore if */\n      if (this._hasMove) {\n        return this._hasMove\n      }\n      // Detect whether an element with the move class applied has\n      // CSS transitions. Since the element may be inside an entering\n      // transition at this very moment, we make a clone of it and remove\n      // all other transition classes applied to ensure only the move class\n      // is applied.\n      var clone = el.cloneNode();\n      if (el._transitionClasses) {\n        el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });\n      }\n      addClass(clone, moveClass);\n      clone.style.display = 'none';\n      this.$el.appendChild(clone);\n      var info = getTransitionInfo(clone);\n      this.$el.removeChild(clone);\n      return (this._hasMove = info.hasTransform)\n    }\n  }\n};\n\nfunction callPendingCbs (c) {\n  /* istanbul ignore if */\n  if (c.elm._moveCb) {\n    c.elm._moveCb();\n  }\n  /* istanbul ignore if */\n  if (c.elm._enterCb) {\n    c.elm._enterCb();\n  }\n}\n\nfunction recordPosition (c) {\n  c.data.newPos = c.elm.getBoundingClientRect();\n}\n\nfunction applyTranslation (c) {\n  var oldPos = c.data.pos;\n  var newPos = c.data.newPos;\n  var dx = oldPos.left - newPos.left;\n  var dy = oldPos.top - newPos.top;\n  if (dx || dy) {\n    c.data.moved = true;\n    var s = c.elm.style;\n    s.transform = s.WebkitTransform = \"translate(\" + dx + \"px,\" + dy + \"px)\";\n    s.transitionDuration = '0s';\n  }\n}\n\nvar platformComponents = {\n  Transition: Transition,\n  TransitionGroup: TransitionGroup\n};\n\n/*  */\n\n// install platform specific utils\nVue$3.config.mustUseProp = mustUseProp;\nVue$3.config.isReservedTag = isReservedTag;\nVue$3.config.isReservedAttr = isReservedAttr;\nVue$3.config.getTagNamespace = getTagNamespace;\nVue$3.config.isUnknownElement = isUnknownElement;\n\n// install platform runtime directives & components\nextend(Vue$3.options.directives, platformDirectives);\nextend(Vue$3.options.components, platformComponents);\n\n// install platform patch function\nVue$3.prototype.__patch__ = inBrowser ? patch : noop;\n\n// public mount method\nVue$3.prototype.$mount = function (\n  el,\n  hydrating\n) {\n  el = el && inBrowser ? query(el) : undefined;\n  return mountComponent(this, el, hydrating)\n};\n\n// devtools global hook\n/* istanbul ignore next */\nVue$3.nextTick(function () {\n  if (config.devtools) {\n    if (devtools) {\n      devtools.emit('init', Vue$3);\n    } else if (process.env.NODE_ENV !== 'production' && isChrome) {\n      console[console.info ? 'info' : 'log'](\n        'Download the Vue Devtools extension for a better development experience:\\n' +\n        'https://github.com/vuejs/vue-devtools'\n      );\n    }\n  }\n  if (process.env.NODE_ENV !== 'production' &&\n    config.productionTip !== false &&\n    inBrowser && typeof console !== 'undefined'\n  ) {\n    console[console.info ? 'info' : 'log'](\n      \"You are running Vue in development mode.\\n\" +\n      \"Make sure to turn on production mode when deploying for production.\\n\" +\n      \"See more tips at https://vuejs.org/guide/deployment.html\"\n    );\n  }\n}, 0);\n\n/*  */\n\nexport default Vue$3;\n","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","import Vue from 'vue';\n\nexport const EventBus = () => new Vue();\n","import { render, staticRenderFns } from \"./Scope.vue?vue&type=template&id=4c74502b&scoped=true&\"\nimport script from \"./Scope.vue?vue&type=script&lang=js&\"\nexport * from \"./Scope.vue?vue&type=script&lang=js&\"\nimport style0 from \"./Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\"\n\n\n/* normalize component */\nimport normalizer from \"!../node_modules/poi/node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n  script,\n  render,\n  staticRenderFns,\n  false,\n  null,\n  \"4c74502b\",\n  null\n  \n)\n\n/* hot reload */\nif (module.hot) {\n  var api = require(\"/home/yanick/work/javascript/vue-svg-pan-zoom/node_modules/vue-hot-reload-api/dist/index.js\")\n  api.install(require('vue'))\n  if (api.compatible) {\n    module.hot.accept()\n    if (!api.isRecorded('4c74502b')) {\n      api.createRecord('4c74502b', component.options)\n    } else {\n      api.reload('4c74502b', component.options)\n    }\n    module.hot.accept(\"./Scope.vue?vue&type=template&id=4c74502b&scoped=true&\", function () {\n      api.rerender('4c74502b', {\n        render: render,\n        staticRenderFns: staticRenderFns\n      })\n    })\n  }\n}\ncomponent.options.__file = \"src/Scope.vue\"\nexport default component.exports","import mod from \"-!../node_modules/poi/lib/webpack/babel-loader.js??ref--1-0!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../node_modules/poi/lib/webpack/babel-loader.js??ref--1-0!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=script&lang=js&\"","import mod from \"-!../node_modules/vue-style-loader/index.js??ref--3-oneOf-1-0!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\"; export default mod; export * from \"-!../node_modules/vue-style-loader/index.js??ref--3-oneOf-1-0!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=style&index=0&id=4c74502b&scoped=true&lang=css&\"","export * from \"-!cache-loader?{\\\"cacheDirectory\\\":\\\"node_modules/.cache/vue-loader\\\",\\\"cacheIdentifier\\\":\\\"0a85af55-vue-loader-template\\\"}!../node_modules/poi/node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./Scope.vue?vue&type=template&id=4c74502b&scoped=true&\"","import { render, staticRenderFns } from \"./SvgPanZoom.vue?vue&type=template&id=806a3476&\"\nimport script from \"./SvgPanZoom.vue?vue&type=script&lang=js&\"\nexport * from \"./SvgPanZoom.vue?vue&type=script&lang=js&\"\n\n\n/* normalize component */\nimport normalizer from \"!../node_modules/poi/node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n  script,\n  render,\n  staticRenderFns,\n  false,\n  null,\n  null,\n  null\n  \n)\n\n/* hot reload */\nif (module.hot) {\n  var api = require(\"/home/yanick/work/javascript/vue-svg-pan-zoom/node_modules/vue-hot-reload-api/dist/index.js\")\n  api.install(require('vue'))\n  if (api.compatible) {\n    module.hot.accept()\n    if (!api.isRecorded('806a3476')) {\n      api.createRecord('806a3476', component.options)\n    } else {\n      api.reload('806a3476', component.options)\n    }\n    module.hot.accept(\"./SvgPanZoom.vue?vue&type=template&id=806a3476&\", function () {\n      api.rerender('806a3476', {\n        render: render,\n        staticRenderFns: staticRenderFns\n      })\n    })\n  }\n}\ncomponent.options.__file = \"src/SvgPanZoom.vue\"\nexport default component.exports","import mod from \"-!../node_modules/poi/lib/webpack/babel-loader.js??ref--1-0!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoom.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../node_modules/poi/lib/webpack/babel-loader.js??ref--1-0!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoom.vue?vue&type=script&lang=js&\"","export * from \"-!cache-loader?{\\\"cacheDirectory\\\":\\\"node_modules/.cache/vue-loader\\\",\\\"cacheIdentifier\\\":\\\"0a85af55-vue-loader-template\\\"}!../node_modules/poi/node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoom.vue?vue&type=template&id=806a3476&\"","export const SvgPanZoomApi = ( SvgPanZoomInstance ) => ({\n  zoom: function( v ){\n    SvgPanZoomInstance.zoom( v );\n  },\n  zoomBy: ( v ) => SvgPanZoomInstance.zoomBy( v )\n});\n","import { render, staticRenderFns } from \"./SvgPanZoomThumbnail.vue?vue&type=template&id=4cd02652&\"\nimport script from \"./SvgPanZoomThumbnail.vue?vue&type=script&lang=js&\"\nexport * from \"./SvgPanZoomThumbnail.vue?vue&type=script&lang=js&\"\nimport style0 from \"./SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\"\n\n\n/* normalize component */\nimport normalizer from \"!../node_modules/poi/node_modules/vue-loader/lib/runtime/componentNormalizer.js\"\nvar component = normalizer(\n  script,\n  render,\n  staticRenderFns,\n  false,\n  null,\n  null,\n  null\n  \n)\n\n/* hot reload */\nif (module.hot) {\n  var api = require(\"/home/yanick/work/javascript/vue-svg-pan-zoom/node_modules/vue-hot-reload-api/dist/index.js\")\n  api.install(require('vue'))\n  if (api.compatible) {\n    module.hot.accept()\n    if (!api.isRecorded('4cd02652')) {\n      api.createRecord('4cd02652', component.options)\n    } else {\n      api.reload('4cd02652', component.options)\n    }\n    module.hot.accept(\"./SvgPanZoomThumbnail.vue?vue&type=template&id=4cd02652&\", function () {\n      api.rerender('4cd02652', {\n        render: render,\n        staticRenderFns: staticRenderFns\n      })\n    })\n  }\n}\ncomponent.options.__file = \"src/SvgPanZoomThumbnail.vue\"\nexport default component.exports","import mod from \"-!../node_modules/poi/lib/webpack/babel-loader.js??ref--1-0!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=script&lang=js&\"; export default mod; export * from \"-!../node_modules/poi/lib/webpack/babel-loader.js??ref--1-0!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=script&lang=js&\"","import mod from \"-!../node_modules/vue-style-loader/index.js??ref--3-oneOf-1-0!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\"; export default mod; export * from \"-!../node_modules/vue-style-loader/index.js??ref--3-oneOf-1-0!../node_modules/css-loader/index.js??ref--3-oneOf-1-1!../node_modules/poi/node_modules/vue-loader/lib/loaders/stylePostLoader.js!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=style&index=0&lang=css&\"","export * from \"-!cache-loader?{\\\"cacheDirectory\\\":\\\"node_modules/.cache/vue-loader\\\",\\\"cacheIdentifier\\\":\\\"0a85af55-vue-loader-template\\\"}!../node_modules/poi/node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!../node_modules/cache-loader/dist/cjs.js??ref--2-0!../node_modules/poi/node_modules/vue-loader/lib/index.js??vue-loader-options!./SvgPanZoomThumbnail.vue?vue&type=template&id=4cd02652&\"","import SvgPanZoom from './SvgPanZoom.vue';\nimport SvgPanZoomThumbnail from './SvgPanZoomThumbnail.vue';\n\nexport { SvgPanZoom };\nexport default SvgPanZoom;\n","export default {\n  zoomEnabled:                { type: Boolean, default: true },\n  controlIconsEnabled:        { type: Boolean, default: false },\n  fit:                        { type: Boolean, default: true },\n  panEnabled:                 { type: Boolean, default: true },\n  dblClickZoomEnabled:        { type: Boolean, default: true },\n  mouseWheelZoomEnabled:      { type: Boolean, default: true },\n  preventMouseEventsDefault:  { type: Boolean, default: true },\n  contain:                    { type: Boolean, default: false },\n  center:                     { type: Boolean, default: true },\n  viewportSelector:           { default: '.svg-pan-zoom_viewport' },\n  zoomScaleSensitivity:       { default: 0.2 },\n  minZoom:                    { default: 0.5 },\n  maxZoom:                    { default: 10 },\n  refreshRate:                { default: 'auto' },\n  beforeZoom:                 { },\n  onZoom:                     { },\n  beforePan:                  { },\n  onPan:                      { },\n  onUpdatedCTM:               { },\n  customEventsHandler:        { },\n  eventsListenerElement:      { },\n  onThumbnailShown:           { 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