text: (function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    (global = global || self, global.renderVueComponentToString = factory());
  }(this, (function () { 'use strict';
  
    /*  */
  
    var emptyObject = Object.freeze({});
  
    // These helpers produce better VM code in JS engines due to their
    // explicitness and function inlining.
    function isUndef (v) {
      return v === undefined || v === null
    }
  
    function isDef (v) {
      return v !== undefined && v !== null
    }
  
    function isTrue (v) {
      return v === true
    }
  
    function isFalse (v) {
      return v === false
    }
  
    /**
     * Check if value is primitive.
     */
    function isPrimitive (value) {
      return (
        typeof value === 'string' ||
        typeof value === 'number' ||
        // $flow-disable-line
        typeof value === 'symbol' ||
        typeof value === 'boolean'
      )
    }
  
    /**
     * Quick object check - this is primarily used to tell
     * Objects from primitive values when we know the value
     * is a JSON-compliant type.
     */
    function isObject (obj) {
      return obj !== null && typeof obj === 'object'
    }
  
    /**
     * Get the raw type string of a value, e.g., [object Object].
     */
    var _toString = Object.prototype.toString;
  
    function toRawType (value) {
      return _toString.call(value).slice(8, -1)
    }
  
    /**
     * Strict object type check. Only returns true
     * for plain JavaScript objects.
     */
    function isPlainObject (obj) {
      return _toString.call(obj) === '[object Object]'
    }
  
    /**
     * Check if val is a valid array index.
     */
    function isValidArrayIndex (val) {
      var n = parseFloat(String(val));
      return n >= 0 && Math.floor(n) === n && isFinite(val)
    }
  
    function isPromise (val) {
      return (
        isDef(val) &&
        typeof val.then === 'function' &&
        typeof val.catch === 'function'
      )
    }
  
    /**
     * Convert a value to a string that is actually rendered.
     */
    function toString (val) {
      return val == null
        ? ''
        : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
          ? JSON.stringify(val, null, 2)
          : String(val)
    }
  
    /**
     * Convert an input value to a number for persistence.
     * If the conversion fails, return original string.
     */
    function toNumber (val) {
      var n = parseFloat(val);
      return isNaN(n) ? val : n
    }
  
    /**
     * Make a map and return a function for checking if a key
     * is in that map.
     */
    function makeMap (
      str,
      expectsLowerCase
    ) {
      var map = Object.create(null);
      var list = str.split(',');
      for (var i = 0; i < list.length; i++) {
        map[list[i]] = true;
      }
      return expectsLowerCase
        ? function (val) { return map[val.toLowerCase()]; }
        : function (val) { return map[val]; }
    }
  
    /**
     * Check if a tag is a built-in tag.
     */
    var isBuiltInTag = makeMap('slot,component', true);
  
    /**
     * Check if an attribute is a reserved attribute.
     */
    var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
  
    /**
     * Remove an item from an array.
     */
    function remove (arr, item) {
      if (arr.length) {
        var index = arr.indexOf(item);
        if (index > -1) {
          return arr.splice(index, 1)
        }
      }
    }
  
    /**
     * Check whether an object has the property.
     */
    var hasOwnProperty = Object.prototype.hasOwnProperty;
    function hasOwn (obj, key) {
      return hasOwnProperty.call(obj, key)
    }
  
    /**
     * Create a cached version of a pure function.
     */
    function cached (fn) {
      var cache = Object.create(null);
      return (function cachedFn (str) {
        var hit = cache[str];
        return hit || (cache[str] = fn(str))
      })
    }
  
    /**
     * Camelize a hyphen-delimited string.
     */
    var camelizeRE = /-(\w)/g;
    var camelize = cached(function (str) {
      return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
    });
  
    /**
     * Capitalize a string.
     */
    var capitalize = cached(function (str) {
      return str.charAt(0).toUpperCase() + str.slice(1)
    });
  
    /**
     * Hyphenate a camelCase string.
     */
    var hyphenateRE = /\B([A-Z])/g;
    var hyphenate = cached(function (str) {
      return str.replace(hyphenateRE, '-$1').toLowerCase()
    });
  
    /**
     * Mix properties into target object.
     */
    function extend (to, _from) {
      for (var key in _from) {
        to[key] = _from[key];
      }
      return to
    }
  
    /**
     * Merge an Array of Objects into a single Object.
     */
    function toObject (arr) {
      var res = {};
      for (var i = 0; i < arr.length; i++) {
        if (arr[i]) {
          extend(res, arr[i]);
        }
      }
      return res
    }
  
    /* eslint-disable no-unused-vars */
  
    /**
     * Perform no operation.
     * Stubbing args to make Flow happy without leaving useless transpiled code
     * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
     */
    function noop (a, b, c) {}
  
    /**
     * Always return false.
     */
    var no = function (a, b, c) { return false; };
  
    /* eslint-enable no-unused-vars */
  
    /**
     * Return the same value.
     */
    var identity = function (_) { return _; };
  
    /**
     * Generate a string containing static keys from compiler modules.
     */
    function genStaticKeys (modules) {
      return modules.reduce(function (keys, m) {
        return keys.concat(m.staticKeys || [])
      }, []).join(',')
    }
  
    /**
     * Check if two values are loosely equal - that is,
     * if they are plain objects, do they have the same shape?
     */
    function looseEqual (a, b) {
      if (a === b) { return true }
      var isObjectA = isObject(a);
      var isObjectB = isObject(b);
      if (isObjectA && isObjectB) {
        try {
          var isArrayA = Array.isArray(a);
          var isArrayB = Array.isArray(b);
          if (isArrayA && isArrayB) {
            return a.length === b.length && a.every(function (e, i) {
              return looseEqual(e, b[i])
            })
          } else if (a instanceof Date && b instanceof Date) {
            return a.getTime() === b.getTime()
          } else if (!isArrayA && !isArrayB) {
            var keysA = Object.keys(a);
            var keysB = Object.keys(b);
            return keysA.length === keysB.length && keysA.every(function (key) {
              return looseEqual(a[key], b[key])
            })
          } else {
            /* istanbul ignore next */
            return false
          }
        } catch (e) {
          /* istanbul ignore next */
          return false
        }
      } else if (!isObjectA && !isObjectB) {
        return String(a) === String(b)
      } else {
        return false
      }
    }
  
    /**
     * Return the first index at which a loosely equal value can be
     * found in the array (if value is a plain object, the array must
     * contain an object of the same shape), or -1 if it is not present.
     */
    function looseIndexOf (arr, val) {
      for (var i = 0; i < arr.length; i++) {
        if (looseEqual(arr[i], val)) { return i }
      }
      return -1
    }
  
    /*  */
  
    var isAttr = makeMap(
      'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
      'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
      'checked,cite,class,code,codebase,color,cols,colspan,content,' +
      'contenteditable,contextmenu,controls,coords,data,datetime,default,' +
      'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,for,' +
      'form,formaction,headers,height,hidden,high,href,hreflang,http-equiv,' +
      'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
      'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
      'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
      'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
      'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
      'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
      'target,title,usemap,value,width,wrap'
    );
  
    var unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/; // eslint-disable-line no-control-regex
    var isSSRUnsafeAttr = function (name) {
      return unsafeAttrCharRE.test(name)
    };
  
    /* istanbul ignore next */
    var isRenderableAttr = function (name) {
      return (
        isAttr(name) ||
        name.indexOf('data-') === 0 ||
        name.indexOf('aria-') === 0
      )
    };
  
    var propsToAttrMap = {
      acceptCharset: 'accept-charset',
      className: 'class',
      htmlFor: 'for',
      httpEquiv: 'http-equiv'
    };
  
    var ESC = {
      '<': '&lt;',
      '>': '&gt;',
      '"': '&quot;',
      '&': '&amp;'
    };
  
    function escape (s) {
      return s.replace(/[<>"&]/g, escapeChar)
    }
  
    function escapeChar (a) {
      return ESC[a] || a
    }
  
    var noUnitNumericStyleProps = {
      "animation-iteration-count": true,
      "border-image-outset": true,
      "border-image-slice": true,
      "border-image-width": true,
      "box-flex": true,
      "box-flex-group": true,
      "box-ordinal-group": true,
      "column-count": true,
      "columns": true,
      "flex": true,
      "flex-grow": true,
      "flex-positive": true,
      "flex-shrink": true,
      "flex-negative": true,
      "flex-order": true,
      "grid-row": true,
      "grid-row-end": true,
      "grid-row-span": true,
      "grid-row-start": true,
      "grid-column": true,
      "grid-column-end": true,
      "grid-column-span": true,
      "grid-column-start": true,
      "font-weight": true,
      "line-clamp": true,
      "line-height": true,
      "opacity": true,
      "order": true,
      "orphans": true,
      "tab-size": true,
      "widows": true,
      "z-index": true,
      "zoom": true,
      // SVG
      "fill-opacity": true,
      "flood-opacity": true,
      "stop-opacity": true,
      "stroke-dasharray": true,
      "stroke-dashoffset": true,
      "stroke-miterlimit": true,
      "stroke-opacity": true,
      "stroke-width": true
    };
  
    /*  */
  
    // these are reserved for web because they are directly compiled away
    // during template compilation
    var isReservedAttr = makeMap('style,class');
  
    // attributes that should be using props for binding
    var acceptValue = makeMap('input,textarea,option,select,progress');
    var mustUseProp = function (tag, type, attr) {
      return (
        (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
        (attr === 'selected' && tag === 'option') ||
        (attr === 'checked' && tag === 'input') ||
        (attr === 'muted' && tag === 'video')
      )
    };
  
    var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
  
    var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
  
    var convertEnumeratedValue = function (key, value) {
      return isFalsyAttrValue(value) || value === 'false'
        ? 'false'
        // allow arbitrary string value for contenteditable
        : key === 'contenteditable' && isValidContentEditableValue(value)
          ? value
          : 'true'
    };
  
    var isBooleanAttr = makeMap(
      'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
      'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
      'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
      'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
      'required,reversed,scoped,seamless,selected,sortable,' +
      'truespeed,typemustmatch,visible'
    );
  
    var isFalsyAttrValue = function (val) {
      return val == null || val === false
    };
  
    /*  */
  
    function renderAttrs (node) {
      var attrs = node.data.attrs;
      var res = '';
  
      var opts = node.parent && node.parent.componentOptions;
      if (isUndef(opts) || opts.Ctor.options.inheritAttrs !== false) {
        var parent = node.parent;
        while (isDef(parent)) {
          // Stop fallthrough in case parent has inheritAttrs option set to false
          if (parent.componentOptions && parent.componentOptions.Ctor.options.inheritAttrs === false) {
            break;
          }
          if (isDef(parent.data) && isDef(parent.data.attrs)) {
            attrs = extend(extend({}, attrs), parent.data.attrs);
          }
          parent = parent.parent;
        }
      }
  
      if (isUndef(attrs)) {
        return res
      }
  
      for (var key in attrs) {
        if (isSSRUnsafeAttr(key)) {
          continue
        }
        if (key === 'style') {
          // leave it to the style module
          continue
        }
        res += renderAttr(key, attrs[key]);
      }
      return res
    }
  
    function renderAttr (key, value) {
      if (isBooleanAttr(key)) {
        if (!isFalsyAttrValue(value)) {
          return (" " + key + "=\"" + key + "\"")
        }
      } else if (isEnumeratedAttr(key)) {
        return (" " + key + "=\"" + (escape(convertEnumeratedValue(key, value))) + "\"")
      } else if (!isFalsyAttrValue(value)) {
        return (" " + key + "=\"" + (escape(String(value))) + "\"")
      }
      return ''
    }
  
    /*  */
  
    var VNode = function VNode (
      tag,
      data,
      children,
      text,
      elm,
      context,
      componentOptions,
      asyncFactory
    ) {
      this.tag = tag;
      this.data = data;
      this.children = children;
      this.text = text;
      this.elm = elm;
      this.ns = undefined;
      this.context = context;
      this.fnContext = undefined;
      this.fnOptions = undefined;
      this.fnScopeId = undefined;
      this.key = data && data.key;
      this.componentOptions = componentOptions;
      this.componentInstance = undefined;
      this.parent = undefined;
      this.raw = false;
      this.isStatic = false;
      this.isRootInsert = true;
      this.isComment = false;
      this.isCloned = false;
      this.isOnce = false;
      this.asyncFactory = asyncFactory;
      this.asyncMeta = undefined;
      this.isAsyncPlaceholder = false;
    };
  
    var prototypeAccessors = { child: { configurable: true } };
  
    // DEPRECATED: alias for componentInstance for backwards compat.
    /* istanbul ignore next */
    prototypeAccessors.child.get = function () {
      return this.componentInstance
    };
  
    Object.defineProperties( VNode.prototype, prototypeAccessors );
  
    var createEmptyVNode = function (text) {
      if ( text === void 0 ) text = '';
  
      var node = new VNode();
      node.text = text;
      node.isComment = true;
      return node
    };
  
    function createTextVNode (val) {
      return new VNode(undefined, undefined, undefined, String(val))
    }
  
    // optimized shallow clone
    // used for static nodes and slot nodes because they may be reused across
    // multiple renders, cloning them avoids errors when DOM manipulations rely
    // on their elm reference.
    function cloneVNode (vnode) {
      var cloned = new VNode(
        vnode.tag,
        vnode.data,
        // #7975
        // clone children array to avoid mutating original in case of cloning
        // a child.
        vnode.children && vnode.children.slice(),
        vnode.text,
        vnode.elm,
        vnode.context,
        vnode.componentOptions,
        vnode.asyncFactory
      );
      cloned.ns = vnode.ns;
      cloned.isStatic = vnode.isStatic;
      cloned.key = vnode.key;
      cloned.isComment = vnode.isComment;
      cloned.fnContext = vnode.fnContext;
      cloned.fnOptions = vnode.fnOptions;
      cloned.fnScopeId = vnode.fnScopeId;
      cloned.asyncMeta = vnode.asyncMeta;
      cloned.isCloned = true;
      return cloned
    }
  
    /*  */
  
    function renderDOMProps (node) {
      var props = node.data.domProps;
      var res = '';
  
      var parent = node.parent;
      while (isDef(parent)) {
        if (parent.data && parent.data.domProps) {
          props = extend(extend({}, props), parent.data.domProps);
        }
        parent = parent.parent;
      }
  
      if (isUndef(props)) {
        return res
      }
  
      var attrs = node.data.attrs;
      for (var key in props) {
        if (key === 'innerHTML') {
          setText(node, props[key], true);
        } else if (key === 'textContent') {
          setText(node, props[key], false);
        } else if (key === 'value' && node.tag === 'textarea') {
          setText(node, toString(props[key]), false);
        } else {
          // $flow-disable-line (WTF?)
          var attr = propsToAttrMap[key] || key.toLowerCase();
          if (isRenderableAttr(attr) &&
            // avoid rendering double-bound props/attrs twice
            !(isDef(attrs) && isDef(attrs[attr]))
          ) {
            res += renderAttr(attr, props[key]);
          }
        }
      }
      return res
    }
  
    function setText (node, text, raw) {
      var child = new VNode(undefined, undefined, undefined, text);
      child.raw = raw;
      node.children = [child];
    }
  
    /*  */
  
    /**
     * unicode letters used for parsing html tags, component names and property paths.
     * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
     * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
     */
    var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
  
    /**
     * Define a property.
     */
    function def (obj, key, val, enumerable) {
      Object.defineProperty(obj, key, {
        value: val,
        enumerable: !!enumerable,
        writable: true,
        configurable: true
      });
    }
  
    /*  */
  
    // can we use __proto__?
    var hasProto = '__proto__' in {};
  
    // Browser environment sniffing
    var inBrowser = typeof window !== 'undefined';
    var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
    var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
    var UA = inBrowser && window.navigator.userAgent.toLowerCase();
    var isIE = UA && /msie|trident/.test(UA);
    var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
    var isEdge = UA && UA.indexOf('edge/') > 0;
    var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
    var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
    var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
    var isPhantomJS = UA && /phantomjs/.test(UA);
    var isFF = UA && UA.match(/firefox\/(\d+)/);
  
    // Firefox has a "watch" function on Object.prototype...
    var nativeWatch = ({}).watch;
  
    var supportsPassive = false;
    if (inBrowser) {
      try {
        var opts = {};
        Object.defineProperty(opts, 'passive', ({
          get: function get () {
            /* istanbul ignore next */
            supportsPassive = true;
          }
        })); // https://github.com/facebook/flow/issues/285
        window.addEventListener('test-passive', null, opts);
      } catch (e) {}
    }
  
    // this needs to be lazy-evaled because vue may be required before
    // vue-server-renderer can set VUE_ENV
    var _isServer;
    var isServerRendering = function () {
      if (_isServer === undefined) {
        /* istanbul ignore if */
        if (!inBrowser && !inWeex && typeof global !== 'undefined') {
          // detect presence of vue-server-renderer and avoid
          // Webpack shimming the process
          _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
        } else {
          _isServer = false;
        }
      }
      return _isServer
    };
  
    /* istanbul ignore next */
    function isNative (Ctor) {
      return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
    }
  
    var hasSymbol =
      typeof Symbol !== 'undefined' && isNative(Symbol) &&
      typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
  
    var _Set;
    /* istanbul ignore if */ // $flow-disable-line
    if (typeof Set !== 'undefined' && isNative(Set)) {
      // use native Set when available.
      _Set = Set;
    } else {
      // a non-standard Set polyfill that only works with primitive keys.
      _Set = /*@__PURE__*/(function () {
        function Set () {
          this.set = Object.create(null);
        }
        Set.prototype.has = function has (key) {
          return this.set[key] === true
        };
        Set.prototype.add = function add (key) {
          this.set[key] = true;
        };
        Set.prototype.clear = function clear () {
          this.set = Object.create(null);
        };
  
        return Set;
      }());
    }
  
    var SSR_ATTR = 'data-server-rendered';
  
    var ASSET_TYPES = [
      'component',
      'directive',
      'filter'
    ];
  
    var LIFECYCLE_HOOKS = [
      'beforeCreate',
      'created',
      'beforeMount',
      'mounted',
      'beforeUpdate',
      'updated',
      'beforeDestroy',
      'destroyed',
      'activated',
      'deactivated',
      'errorCaptured',
      'serverPrefetch'
    ];
  
    /*  */
  
  
  
    var config = ({
      /**
       * Option merge strategies (used in core/util/options)
       */
      // $flow-disable-line
      optionMergeStrategies: Object.create(null),
  
      /**
       * Whether to suppress warnings.
       */
      silent: false,
  
      /**
       * Show production mode tip message on boot?
       */
      productionTip: "development" !== 'production',
  
      /**
       * Whether to enable devtools
       */
      devtools: "development" !== 'production',
  
      /**
       * Whether to record perf
       */
      performance: false,
  
      /**
       * Error handler for watcher errors
       */
      errorHandler: null,
  
      /**
       * Warn handler for watcher warns
       */
      warnHandler: null,
  
      /**
       * Ignore certain custom elements
       */
      ignoredElements: [],
  
      /**
       * Custom user key aliases for v-on
       */
      // $flow-disable-line
      keyCodes: Object.create(null),
  
      /**
       * Check if a tag is reserved so that it cannot be registered as a
       * component. This is platform-dependent and may be overwritten.
       */
      isReservedTag: no,
  
      /**
       * Check if an attribute is reserved so that it cannot be used as a component
       * prop. This is platform-dependent and may be overwritten.
       */
      isReservedAttr: no,
  
      /**
       * Check if a tag is an unknown element.
       * Platform-dependent.
       */
      isUnknownElement: no,
  
      /**
       * Get the namespace of an element
       */
      getTagNamespace: noop,
  
      /**
       * Parse the real tag name for the specific platform.
       */
      parsePlatformTagName: identity,
  
      /**
       * Check if an attribute must be bound using property, e.g. value
       * Platform-dependent.
       */
      mustUseProp: no,
  
      /**
       * Perform updates asynchronously. Intended to be used by Vue Test Utils
       * This will significantly reduce performance if set to false.
       */
      async: true,
  
      /**
       * Exposed for legacy reasons
       */
      _lifecycleHooks: LIFECYCLE_HOOKS
    });
  
    /*  */
  
    var warn = noop;
    var tip = noop;
    var generateComponentTrace = (noop); // work around flow check
    var formatComponentName = (noop);
  
    {
      var hasConsole = typeof console !== 'undefined';
      var classifyRE = /(?:^|[-_])(\w)/g;
      var classify = function (str) { return str
        .replace(classifyRE, function (c) { return c.toUpperCase(); })
        .replace(/[-_]/g, ''); };
  
      warn = function (msg, vm) {
        var trace = vm ? generateComponentTrace(vm) : '';
  
        if (config.warnHandler) {
          config.warnHandler.call(null, msg, vm, trace);
        } else if (hasConsole && (!config.silent)) {
          console.error(("[Vue warn]: " + msg + trace));
        }
      };
  
      tip = function (msg, vm) {
        if (hasConsole && (!config.silent)) {
          console.warn("[Vue tip]: " + msg + (
            vm ? generateComponentTrace(vm) : ''
          ));
        }
      };
  
      formatComponentName = function (vm, includeFile) {
        if (vm.$root === vm) {
          return '<Root>'
        }
        var options = typeof vm === 'function' && vm.cid != null
          ? vm.options
          : vm._isVue
            ? vm.$options || vm.constructor.options
            : vm;
        var name = options.name || options._componentTag;
        var file = options.__file;
        if (!name && file) {
          var match = file.match(/([^/\\]+)\.vue$/);
          name = match && match[1];
        }
  
        return (
          (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
          (file && includeFile !== false ? (" at " + file) : '')
        )
      };
  
      var repeat = function (str, n) {
        var res = '';
        while (n) {
          if (n % 2 === 1) { res += str; }
          if (n > 1) { str += str; }
          n >>= 1;
        }
        return res
      };
  
      generateComponentTrace = function (vm) {
        if (vm._isVue && vm.$parent) {
          var tree = [];
          var currentRecursiveSequence = 0;
          while (vm) {
            if (tree.length > 0) {
              var last = tree[tree.length - 1];
              if (last.constructor === vm.constructor) {
                currentRecursiveSequence++;
                vm = vm.$parent;
                continue
              } else if (currentRecursiveSequence > 0) {
                tree[tree.length - 1] = [last, currentRecursiveSequence];
                currentRecursiveSequence = 0;
              }
            }
            tree.push(vm);
            vm = vm.$parent;
          }
          return '\n\nfound in\n\n' + tree
            .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
                ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
                : formatComponentName(vm))); })
            .join('\n')
        } else {
          return ("\n\n(found in " + (formatComponentName(vm)) + ")")
        }
      };
    }
  
    /*  */
  
    var uid = 0;
  
    /**
     * A dep is an observable that can have multiple
     * directives subscribing to it.
     */
    var Dep = function Dep () {
      this.id = uid++;
      this.subs = [];
    };
  
    Dep.prototype.addSub = function addSub (sub) {
      this.subs.push(sub);
    };
  
    Dep.prototype.removeSub = function removeSub (sub) {
      remove(this.subs, sub);
    };
  
    Dep.prototype.depend = function depend () {
      if (Dep.target) {
        Dep.target.addDep(this);
      }
    };
  
    Dep.prototype.notify = function notify () {
      // stabilize the subscriber list first
      var subs = this.subs.slice();
      if ( !config.async) {
        // subs aren't sorted in scheduler if not running async
        // we need to sort them now to make sure they fire in correct
        // order
        subs.sort(function (a, b) { return a.id - b.id; });
      }
      for (var i = 0, l = subs.length; i < l; i++) {
        subs[i].update();
      }
    };
  
    // The current target watcher being evaluated.
    // This is globally unique because only one watcher
    // can be evaluated at a time.
    Dep.target = null;
    var targetStack = [];
  
    function pushTarget (target) {
      targetStack.push(target);
      Dep.target = target;
    }
  
    function popTarget () {
      targetStack.pop();
      Dep.target = targetStack[targetStack.length - 1];
    }
  
    /*
     * not type checking this file because flow doesn't play well with
     * dynamically accessing methods on Array prototype
     */
  
    var arrayProto = Array.prototype;
    var arrayMethods = Object.create(arrayProto);
  
    var methodsToPatch = [
      'push',
      'pop',
      'shift',
      'unshift',
      'splice',
      'sort',
      'reverse'
    ];
  
    /**
     * Intercept mutating methods and emit events
     */
    methodsToPatch.forEach(function (method) {
      // cache original method
      var original = arrayProto[method];
      def(arrayMethods, method, function mutator () {
        var args = [], len = arguments.length;
        while ( len-- ) args[ len ] = arguments[ len ];
  
        var result = original.apply(this, args);
        var ob = this.__ob__;
        var inserted;
        switch (method) {
          case 'push':
          case 'unshift':
            inserted = args;
            break
          case 'splice':
            inserted = args.slice(2);
            break
        }
        if (inserted) { ob.observeArray(inserted); }
        // notify change
        ob.dep.notify();
        return result
      });
    });
  
    /*  */
  
    var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
  
    /**
     * In some cases we may want to disable observation inside a component's
     * update computation.
     */
    var shouldObserve = true;
  
    function toggleObserving (value) {
      shouldObserve = value;
    }
  
    /**
     * Observer class that is attached to each observed
     * object. Once attached, the observer converts the target
     * object's property keys into getter/setters that
     * collect dependencies and dispatch updates.
     */
    var Observer = function Observer (value) {
      this.value = value;
      this.dep = new Dep();
      this.vmCount = 0;
      def(value, '__ob__', this);
      if (Array.isArray(value)) {
        if (hasProto) {
          protoAugment(value, arrayMethods);
        } else {
          copyAugment(value, arrayMethods, arrayKeys);
        }
        this.observeArray(value);
      } else {
        this.walk(value);
      }
    };
  
    /**
     * Walk through all properties and convert them into
     * getter/setters. This method should only be called when
     * value type is Object.
     */
    Observer.prototype.walk = function walk (obj) {
      var keys = Object.keys(obj);
      for (var i = 0; i < keys.length; i++) {
        defineReactive(obj, keys[i]);
      }
    };
  
    /**
     * Observe a list of Array items.
     */
    Observer.prototype.observeArray = function observeArray (items) {
      for (var i = 0, l = items.length; i < l; i++) {
        observe(items[i]);
      }
    };
  
    // helpers
  
    /**
     * Augment a target Object or Array by intercepting
     * the prototype chain using __proto__
     */
    function protoAugment (target, src) {
      /* eslint-disable no-proto */
      target.__proto__ = src;
      /* eslint-enable no-proto */
    }
  
    /**
     * Augment a target Object or Array by defining
     * hidden properties.
     */
    /* istanbul ignore next */
    function copyAugment (target, src, keys) {
      for (var i = 0, l = keys.length; i < l; i++) {
        var key = keys[i];
        def(target, key, src[key]);
      }
    }
  
    /**
     * Attempt to create an observer instance for a value,
     * returns the new observer if successfully observed,
     * or the existing observer if the value already has one.
     */
    function observe (value, asRootData) {
      if (!isObject(value) || value instanceof VNode) {
        return
      }
      var ob;
      if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
        ob = value.__ob__;
      } else if (
        shouldObserve &&
        !isServerRendering() &&
        (Array.isArray(value) || isPlainObject(value)) &&
        Object.isExtensible(value) &&
        !value._isVue
      ) {
        ob = new Observer(value);
      }
      if (asRootData && ob) {
        ob.vmCount++;
      }
      return ob
    }
  
    /**
     * Define a reactive property on an Object.
     */
    function defineReactive (
      obj,
      key,
      val,
      customSetter,
      shallow
    ) {
      var dep = new Dep();
  
      var property = Object.getOwnPropertyDescriptor(obj, key);
      if (property && property.configurable === false) {
        return
      }
  
      // cater for pre-defined getter/setters
      var getter = property && property.get;
      var setter = property && property.set;
      if ((!getter || setter) && arguments.length === 2) {
        val = obj[key];
      }
  
      var childOb = !shallow && observe(val);
      Object.defineProperty(obj, key, {
        enumerable: true,
        configurable: true,
        get: function reactiveGetter () {
          var value = getter ? getter.call(obj) : val;
          if (Dep.target) {
            dep.depend();
            if (childOb) {
              childOb.dep.depend();
              if (Array.isArray(value)) {
                dependArray(value);
              }
            }
          }
          return value
        },
        set: function reactiveSetter (newVal) {
          var value = getter ? getter.call(obj) : val;
          /* eslint-disable no-self-compare */
          if (newVal === value || (newVal !== newVal && value !== value)) {
            return
          }
          /* eslint-enable no-self-compare */
          if ( customSetter) {
            customSetter();
          }
          // #7981: for accessor properties without setter
          if (getter && !setter) { return }
          if (setter) {
            setter.call(obj, newVal);
          } else {
            val = newVal;
          }
          childOb = !shallow && observe(newVal);
          dep.notify();
        }
      });
    }
  
    /**
     * Set a property on an object. Adds the new property and
     * triggers change notification if the property doesn't
     * already exist.
     */
    function set (target, key, val) {
      if (
        (isUndef(target) || isPrimitive(target))
      ) {
        warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
      }
      if (Array.isArray(target) && isValidArrayIndex(key)) {
        target.length = Math.max(target.length, key);
        target.splice(key, 1, val);
        return val
      }
      if (key in target && !(key in Object.prototype)) {
        target[key] = val;
        return val
      }
      var ob = (target).__ob__;
      if (target._isVue || (ob && ob.vmCount)) {
         warn(
          'Avoid adding reactive properties to a Vue instance or its root $data ' +
          'at runtime - declare it upfront in the data option.'
        );
        return val
      }
      if (!ob) {
        target[key] = val;
        return val
      }
      defineReactive(ob.value, key, val);
      ob.dep.notify();
      return val
    }
  
    /**
     * Collect dependencies on array elements when the array is touched, since
     * we cannot intercept array element access like property getters.
     */
    function dependArray (value) {
      for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
        e = value[i];
        e && e.__ob__ && e.__ob__.dep.depend();
        if (Array.isArray(e)) {
          dependArray(e);
        }
      }
    }
  
    /*  */
  
    /**
     * Option overwriting strategies are functions that handle
     * how to merge a parent option value and a child option
     * value into the final value.
     */
    var strats = config.optionMergeStrategies;
  
    /**
     * Options with restrictions
     */
    {
      strats.el = strats.propsData = function (parent, child, vm, key) {
        if (!vm) {
          warn(
            "option \"" + key + "\" can only be used during instance " +
            'creation with the `new` keyword.'
          );
        }
        return defaultStrat(parent, child)
      };
    }
  
    /**
     * Helper that recursively merges two data objects together.
     */
    function mergeData (to, from) {
      if (!from) { return to }
      var key, toVal, fromVal;
  
      var keys = hasSymbol
        ? Reflect.ownKeys(from)
        : Object.keys(from);
  
      for (var i = 0; i < keys.length; i++) {
        key = keys[i];
        // in case the object is already observed...
        if (key === '__ob__') { continue }
        toVal = to[key];
        fromVal = from[key];
        if (!hasOwn(to, key)) {
          set(to, key, fromVal);
        } else if (
          toVal !== fromVal &&
          isPlainObject(toVal) &&
          isPlainObject(fromVal)
        ) {
          mergeData(toVal, fromVal);
        }
      }
      return to
    }
  
    /**
     * Data
     */
    function mergeDataOrFn (
      parentVal,
      childVal,
      vm
    ) {
      if (!vm) {
        // in a Vue.extend merge, both should be functions
        if (!childVal) {
          return parentVal
        }
        if (!parentVal) {
          return childVal
        }
        // when parentVal & childVal are both present,
        // we need to return a function that returns the
        // merged result of both functions... no need to
        // check if parentVal is a function here because
        // it has to be a function to pass previous merges.
        return function mergedDataFn () {
          return mergeData(
            typeof childVal === 'function' ? childVal.call(this, this) : childVal,
            typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
          )
        }
      } else {
        return function mergedInstanceDataFn () {
          // instance merge
          var instanceData = typeof childVal === 'function'
            ? childVal.call(vm, vm)
            : childVal;
          var defaultData = typeof parentVal === 'function'
            ? parentVal.call(vm, vm)
            : parentVal;
          if (instanceData) {
            return mergeData(instanceData, defaultData)
          } else {
            return defaultData
          }
        }
      }
    }
  
    strats.data = function (
      parentVal,
      childVal,
      vm
    ) {
      if (!vm) {
        if (childVal && typeof childVal !== 'function') {
           warn(
            'The "data" option should be a function ' +
            'that returns a per-instance value in component ' +
            'definitions.',
            vm
          );
  
          return parentVal
        }
        return mergeDataOrFn(parentVal, childVal)
      }
  
      return mergeDataOrFn(parentVal, childVal, vm)
    };
  
    /**
     * Hooks and props are merged as arrays.
     */
    function mergeHook (
      parentVal,
      childVal
    ) {
      var res = childVal
        ? parentVal
          ? parentVal.concat(childVal)
          : Array.isArray(childVal)
            ? childVal
            : [childVal]
        : parentVal;
      return res
        ? dedupeHooks(res)
        : res
    }
  
    function dedupeHooks (hooks) {
      var res = [];
      for (var i = 0; i < hooks.length; i++) {
        if (res.indexOf(hooks[i]) === -1) {
          res.push(hooks[i]);
        }
      }
      return res
    }
  
    LIFECYCLE_HOOKS.forEach(function (hook) {
      strats[hook] = mergeHook;
    });
  
    /**
     * Assets
     *
     * When a vm is present (instance creation), we need to do
     * a three-way merge between constructor options, instance
     * options and parent options.
     */
    function mergeAssets (
      parentVal,
      childVal,
      vm,
      key
    ) {
      var res = Object.create(parentVal || null);
      if (childVal) {
         assertObjectType(key, childVal, vm);
        return extend(res, childVal)
      } else {
        return res
      }
    }
  
    ASSET_TYPES.forEach(function (type) {
      strats[type + 's'] = mergeAssets;
    });
  
    /**
     * Watchers.
     *
     * Watchers hashes should not overwrite one
     * another, so we merge them as arrays.
     */
    strats.watch = function (
      parentVal,
      childVal,
      vm,
      key
    ) {
      // work around Firefox's Object.prototype.watch...
      if (parentVal === nativeWatch) { parentVal = undefined; }
      if (childVal === nativeWatch) { childVal = undefined; }
      /* istanbul ignore if */
      if (!childVal) { return Object.create(parentVal || null) }
      {
        assertObjectType(key, childVal, vm);
      }
      if (!parentVal) { return childVal }
      var ret = {};
      extend(ret, parentVal);
      for (var key$1 in childVal) {
        var parent = ret[key$1];
        var child = childVal[key$1];
        if (parent && !Array.isArray(parent)) {
          parent = [parent];
        }
        ret[key$1] = parent
          ? parent.concat(child)
          : Array.isArray(child) ? child : [child];
      }
      return ret
    };
  
    /**
     * Other object hashes.
     */
    strats.props =
    strats.methods =
    strats.inject =
    strats.computed = function (
      parentVal,
      childVal,
      vm,
      key
    ) {
      if (childVal && "development" !== 'production') {
        assertObjectType(key, childVal, vm);
      }
      if (!parentVal) { return childVal }
      var ret = Object.create(null);
      extend(ret, parentVal);
      if (childVal) { extend(ret, childVal); }
      return ret
    };
    strats.provide = mergeDataOrFn;
  
    /**
     * Default strategy.
     */
    var defaultStrat = function (parentVal, childVal) {
      return childVal === undefined
        ? parentVal
        : childVal
    };
  
    /**
     * Validate component names
     */
    function checkComponents (options) {
      for (var key in options.components) {
        validateComponentName(key);
      }
    }
  
    function validateComponentName (name) {
      if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
        warn(
          'Invalid component name: "' + name + '". Component names ' +
          'should conform to valid custom element name in html5 specification.'
        );
      }
      if (isBuiltInTag(name) || config.isReservedTag(name)) {
        warn(
          'Do not use built-in or reserved HTML elements as component ' +
          'id: ' + name
        );
      }
    }
  
    /**
     * Ensure all props option syntax are normalized into the
     * Object-based format.
     */
    function normalizeProps (options, vm) {
      var props = options.props;
      if (!props) { return }
      var res = {};
      var i, val, name;
      if (Array.isArray(props)) {
        i = props.length;
        while (i--) {
          val = props[i];
          if (typeof val === 'string') {
            name = camelize(val);
            res[name] = { type: null };
          } else {
            warn('props must be strings when using array syntax.');
          }
        }
      } else if (isPlainObject(props)) {
        for (var key in props) {
          val = props[key];
          name = camelize(key);
          res[name] = isPlainObject(val)
            ? val
            : { type: val };
        }
      } else {
        warn(
          "Invalid value for option \"props\": expected an Array or an Object, " +
          "but got " + (toRawType(props)) + ".",
          vm
        );
      }
      options.props = res;
    }
  
    /**
     * Normalize all injections into Object-based format
     */
    function normalizeInject (options, vm) {
      var inject = options.inject;
      if (!inject) { return }
      var normalized = options.inject = {};
      if (Array.isArray(inject)) {
        for (var i = 0; i < inject.length; i++) {
          normalized[inject[i]] = { from: inject[i] };
        }
      } else if (isPlainObject(inject)) {
        for (var key in inject) {
          var val = inject[key];
          normalized[key] = isPlainObject(val)
            ? extend({ from: key }, val)
            : { from: val };
        }
      } else {
        warn(
          "Invalid value for option \"inject\": expected an Array or an Object, " +
          "but got " + (toRawType(inject)) + ".",
          vm
        );
      }
    }
  
    /**
     * Normalize raw function directives into object format.
     */
    function normalizeDirectives (options) {
      var dirs = options.directives;
      if (dirs) {
        for (var key in dirs) {
          var def = dirs[key];
          if (typeof def === 'function') {
            dirs[key] = { bind: def, update: def };
          }
        }
      }
    }
  
    function assertObjectType (name, value, vm) {
      if (!isPlainObject(value)) {
        warn(
          "Invalid value for option \"" + name + "\": expected an Object, " +
          "but got " + (toRawType(value)) + ".",
          vm
        );
      }
    }
  
    /**
     * Merge two option objects into a new one.
     * Core utility used in both instantiation and inheritance.
     */
    function mergeOptions (
      parent,
      child,
      vm
    ) {
      {
        checkComponents(child);
      }
  
      if (typeof child === 'function') {
        child = child.options;
      }
  
      normalizeProps(child, vm);
      normalizeInject(child, vm);
      normalizeDirectives(child);
  
      // Apply extends and mixins on the child options,
      // but only if it is a raw options object that isn't
      // the result of another mergeOptions call.
      // Only merged options has the _base property.
      if (!child._base) {
        if (child.extends) {
          parent = mergeOptions(parent, child.extends, vm);
        }
        if (child.mixins) {
          for (var i = 0, l = child.mixins.length; i < l; i++) {
            parent = mergeOptions(parent, child.mixins[i], vm);
          }
        }
      }
  
      var options = {};
      var key;
      for (key in parent) {
        mergeField(key);
      }
      for (key in child) {
        if (!hasOwn(parent, key)) {
          mergeField(key);
        }
      }
      function mergeField (key) {
        var strat = strats[key] || defaultStrat;
        options[key] = strat(parent[key], child[key], vm, key);
      }
      return options
    }
  
    /**
     * Resolve an asset.
     * This function is used because child instances need access
     * to assets defined in its ancestor chain.
     */
    function resolveAsset (
      options,
      type,
      id,
      warnMissing
    ) {
      /* istanbul ignore if */
      if (typeof id !== 'string') {
        return
      }
      var assets = options[type];
      // check local registration variations first
      if (hasOwn(assets, id)) { return assets[id] }
      var camelizedId = camelize(id);
      if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
      var PascalCaseId = capitalize(camelizedId);
      if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
      // fallback to prototype chain
      var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
      if ( warnMissing && !res) {
        warn(
          'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
          options
        );
      }
      return res
    }
  
    /*  */
  
  
  
    function validateProp (
      key,
      propOptions,
      propsData,
      vm
    ) {
      var prop = propOptions[key];
      var absent = !hasOwn(propsData, key);
      var value = propsData[key];
      // boolean casting
      var booleanIndex = getTypeIndex(Boolean, prop.type);
      if (booleanIndex > -1) {
        if (absent && !hasOwn(prop, 'default')) {
          value = false;
        } else if (value === '' || value === hyphenate(key)) {
          // only cast empty string / same name to boolean if
          // boolean has higher priority
          var stringIndex = getTypeIndex(String, prop.type);
          if (stringIndex < 0 || booleanIndex < stringIndex) {
            value = true;
          }
        }
      }
      // check default value
      if (value === undefined) {
        value = getPropDefaultValue(vm, prop, key);
        // since the default value is a fresh copy,
        // make sure to observe it.
        var prevShouldObserve = shouldObserve;
        toggleObserving(true);
        observe(value);
        toggleObserving(prevShouldObserve);
      }
      {
        assertProp(prop, key, value, vm, absent);
      }
      return value
    }
  
    /**
     * Get the default value of a prop.
     */
    function getPropDefaultValue (vm, prop, key) {
      // no default, return undefined
      if (!hasOwn(prop, 'default')) {
        return undefined
      }
      var def = prop.default;
      // warn against non-factory defaults for Object & Array
      if ( isObject(def)) {
        warn(
          'Invalid default value for prop "' + key + '": ' +
          'Props with type Object/Array must use a factory function ' +
          'to return the default value.',
          vm
        );
      }
      // the raw prop value was also undefined from previous render,
      // return previous default value to avoid unnecessary watcher trigger
      if (vm && vm.$options.propsData &&
        vm.$options.propsData[key] === undefined &&
        vm._props[key] !== undefined
      ) {
        return vm._props[key]
      }
      // call factory function for non-Function types
      // a value is Function if its prototype is function even across different execution context
      return typeof def === 'function' && getType(prop.type) !== 'Function'
        ? def.call(vm)
        : def
    }
  
    /**
     * Assert whether a prop is valid.
     */
    function assertProp (
      prop,
      name,
      value,
      vm,
      absent
    ) {
      if (prop.required && absent) {
        warn(
          'Missing required prop: "' + name + '"',
          vm
        );
        return
      }
      if (value == null && !prop.required) {
        return
      }
      var type = prop.type;
      var valid = !type || type === true;
      var expectedTypes = [];
      if (type) {
        if (!Array.isArray(type)) {
          type = [type];
        }
        for (var i = 0; i < type.length && !valid; i++) {
          var assertedType = assertType(value, type[i], vm);
          expectedTypes.push(assertedType.expectedType || '');
          valid = assertedType.valid;
        }
      }
  
      var haveExpectedTypes = expectedTypes.some(function (t) { return t; });
      if (!valid && haveExpectedTypes) {
        warn(
          getInvalidTypeMessage(name, value, expectedTypes),
          vm
        );
        return
      }
      var validator = prop.validator;
      if (validator) {
        if (!validator(value)) {
          warn(
            'Invalid prop: custom validator check failed for prop "' + name + '".',
            vm
          );
        }
      }
    }
  
    var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol|BigInt)$/;
  
    function assertType (value, type, vm) {
      var valid;
      var expectedType = getType(type);
      if (simpleCheckRE.test(expectedType)) {
        var t = typeof value;
        valid = t === expectedType.toLowerCase();
        // for primitive wrapper objects
        if (!valid && t === 'object') {
          valid = value instanceof type;
        }
      } else if (expectedType === 'Object') {
        valid = isPlainObject(value);
      } else if (expectedType === 'Array') {
        valid = Array.isArray(value);
      } else {
        try {
          valid = value instanceof type;
        } catch (e) {
          warn('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
          valid = false;
        }
      }
      return {
        valid: valid,
        expectedType: expectedType
      }
    }
  
    var functionTypeCheckRE = /^\s*function (\w+)/;
  
    /**
     * Use function string name to check built-in types,
     * because a simple equality check will fail when running
     * across different vms / iframes.
     */
    function getType (fn) {
      var match = fn && fn.toString().match(functionTypeCheckRE);
      return match ? match[1] : ''
    }
  
    function isSameType (a, b) {
      return getType(a) === getType(b)
    }
  
    function getTypeIndex (type, expectedTypes) {
      if (!Array.isArray(expectedTypes)) {
        return isSameType(expectedTypes, type) ? 0 : -1
      }
      for (var i = 0, len = expectedTypes.length; i < len; i++) {
        if (isSameType(expectedTypes[i], type)) {
          return i
        }
      }
      return -1
    }
  
    function getInvalidTypeMessage (name, value, expectedTypes) {
      var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
        " Expected " + (expectedTypes.map(capitalize).join(', '));
      var expectedType = expectedTypes[0];
      var receivedType = toRawType(value);
      // check if we need to specify expected value
      if (
        expectedTypes.length === 1 &&
        isExplicable(expectedType) &&
        isExplicable(typeof value) &&
        !isBoolean(expectedType, receivedType)
      ) {
        message += " with value " + (styleValue(value, expectedType));
      }
      message += ", got " + receivedType + " ";
      // check if we need to specify received value
      if (isExplicable(receivedType)) {
        message += "with value " + (styleValue(value, receivedType)) + ".";
      }
      return message
    }
  
    function styleValue (value, type) {
      if (type === 'String') {
        return ("\"" + value + "\"")
      } else if (type === 'Number') {
        return ("" + (Number(value)))
      } else {
        return ("" + value)
      }
    }
  
    var EXPLICABLE_TYPES = ['string', 'number', 'boolean'];
    function isExplicable (value) {
      return EXPLICABLE_TYPES.some(function (elem) { return value.toLowerCase() === elem; })
    }
  
    function isBoolean () {
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];
  
      return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
    }
  
    /*  */
  
    function handleError (err, vm, info) {
      // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
      // See: https://github.com/vuejs/vuex/issues/1505
      pushTarget();
      try {
        if (vm) {
          var cur = vm;
          while ((cur = cur.$parent)) {
            var hooks = cur.$options.errorCaptured;
            if (hooks) {
              for (var i = 0; i < hooks.length; i++) {
                try {
                  var capture = hooks[i].call(cur, err, vm, info) === false;
                  if (capture) { return }
                } catch (e) {
                  globalHandleError(e, cur, 'errorCaptured hook');
                }
              }
            }
          }
        }
        globalHandleError(err, vm, info);
      } finally {
        popTarget();
      }
    }
  
    function invokeWithErrorHandling (
      handler,
      context,
      args,
      vm,
      info
    ) {
      var res;
      try {
        res = args ? handler.apply(context, args) : handler.call(context);
        if (res && !res._isVue && isPromise(res) && !res._handled) {
          res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
          // issue #9511
          // avoid catch triggering multiple times when nested calls
          res._handled = true;
        }
      } catch (e) {
        handleError(e, vm, info);
      }
      return res
    }
  
    function globalHandleError (err, vm, info) {
      if (config.errorHandler) {
        try {
          return config.errorHandler.call(null, err, vm, info)
        } catch (e) {
          // if the user intentionally throws the original error in the handler,
          // do not log it twice
          if (e !== err) {
            logError(e, null, 'config.errorHandler');
          }
        }
      }
      logError(err, vm, info);
    }
  
    function logError (err, vm, info) {
      {
        warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
      }
      /* istanbul ignore else */
      if ((inBrowser || inWeex) && typeof console !== 'undefined') {
        console.error(err);
      } else {
        throw err
      }
    }
  
    /*  */
  
    var callbacks = [];
  
    function flushCallbacks () {
      var copies = callbacks.slice(0);
      callbacks.length = 0;
      for (var i = 0; i < copies.length; i++) {
        copies[i]();
      }
    }
  
    // The nextTick behavior leverages the microtask queue, which can be accessed
    // via either native Promise.then or MutationObserver.
    // MutationObserver has wider support, however it is seriously bugged in
    // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
    // completely stops working after triggering a few times... so, if native
    // Promise is available, we will use it:
    /* istanbul ignore next, $flow-disable-line */
    if (typeof Promise !== 'undefined' && isNative(Promise)) ; else if (!isIE && typeof MutationObserver !== 'undefined' && (
      isNative(MutationObserver) ||
      // PhantomJS and iOS 7.x
      MutationObserver.toString() === '[object MutationObserverConstructor]'
    )) {
      // Use MutationObserver where native Promise is not available,
      // e.g. PhantomJS, iOS7, Android 4.4
      // (#6466 MutationObserver is unreliable in IE11)
      var counter = 1;
      var observer = new MutationObserver(flushCallbacks);
      var textNode = document.createTextNode(String(counter));
      observer.observe(textNode, {
        characterData: true
      });
    } else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) ;
  
    /*  */
  
    function genClassForVnode (vnode) {
      var data = vnode.data;
      var parentNode = vnode;
      var childNode = vnode;
      while (isDef(childNode.componentInstance)) {
        childNode = childNode.componentInstance._vnode;
        if (childNode && childNode.data) {
          data = mergeClassData(childNode.data, data);
        }
      }
      while (isDef(parentNode = parentNode.parent)) {
        if (parentNode && parentNode.data) {
          data = mergeClassData(data, parentNode.data);
        }
      }
      return renderClass(data.staticClass, data.class)
    }
  
    function mergeClassData (child, parent) {
      return {
        staticClass: concat(child.staticClass, parent.staticClass),
        class: isDef(child.class)
          ? [child.class, parent.class]
          : parent.class
      }
    }
  
    function renderClass (
      staticClass,
      dynamicClass
    ) {
      if (isDef(staticClass) || isDef(dynamicClass)) {
        return concat(staticClass, stringifyClass(dynamicClass))
      }
      /* istanbul ignore next */
      return ''
    }
  
    function concat (a, b) {
      return a ? b ? (a + ' ' + b) : a : (b || '')
    }
  
    function stringifyClass (value) {
      if (Array.isArray(value)) {
        return stringifyArray(value)
      }
      if (isObject(value)) {
        return stringifyObject(value)
      }
      if (typeof value === 'string') {
        return value
      }
      /* istanbul ignore next */
      return ''
    }
  
    function stringifyArray (value) {
      var res = '';
      var stringified;
      for (var i = 0, l = value.length; i < l; i++) {
        if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
          if (res) { res += ' '; }
          res += stringified;
        }
      }
      return res
    }
  
    function stringifyObject (value) {
      var res = '';
      for (var key in value) {
        if (value[key]) {
          if (res) { res += ' '; }
          res += key;
        }
      }
      return res
    }
  
    /*  */
  
    var isHTMLTag = makeMap(
      'html,body,base,head,link,meta,style,title,' +
      'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
      'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
      'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
      's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
      'embed,object,param,source,canvas,script,noscript,del,ins,' +
      'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
      'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
      'output,progress,select,textarea,' +
      'details,dialog,menu,menuitem,summary,' +
      'content,element,shadow,template,blockquote,iframe,tfoot'
    );
  
    // this map is intentionally selective, only covering SVG elements that may
    // contain child elements.
    var isSVG = makeMap(
      'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
      'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
      'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
      true
    );
  
    var isPreTag = function (tag) { return tag === 'pre'; };
  
    var isReservedTag = function (tag) {
      return isHTMLTag(tag) || isSVG(tag)
    };
  
    function getTagNamespace (tag) {
      if (isSVG(tag)) {
        return 'svg'
      }
      // basic support for MathML
      // note it doesn't support other MathML elements being component roots
      if (tag === 'math') {
        return 'math'
      }
    }
  
    var isTextInputType = makeMap('text,number,password,search,email,tel,url');
  
    /*  */
  
    function renderClass$1 (node) {
      var classList = genClassForVnode(node);
      if (classList !== '') {
        return (" class=\"" + (escape(classList)) + "\"")
      }
    }
  
    /*  */
  
    var parseStyleText = cached(function (cssText) {
      var res = {};
      var listDelimiter = /;(?![^(]*\))/g;
      var propertyDelimiter = /:(.+)/;
      cssText.split(listDelimiter).forEach(function (item) {
        if (item) {
          var tmp = item.split(propertyDelimiter);
          tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
        }
      });
      return res
    });
  
    // merge static and dynamic style data on the same vnode
    function normalizeStyleData (data) {
      var style = normalizeStyleBinding(data.style);
      // static style is pre-processed into an object during compilation
      // and is always a fresh object, so it's safe to merge into it
      return data.staticStyle
        ? extend(data.staticStyle, style)
        : style
    }
  
    // normalize possible array / string values into Object
    function normalizeStyleBinding (bindingStyle) {
      if (Array.isArray(bindingStyle)) {
        return toObject(bindingStyle)
      }
      if (typeof bindingStyle === 'string') {
        return parseStyleText(bindingStyle)
      }
      return bindingStyle
    }
  
    /**
     * parent component style should be after child's
     * so that parent component's style could override it
     */
    function getStyle (vnode, checkChild) {
      var res = {};
      var styleData;
  
      if (checkChild) {
        var childNode = vnode;
        while (childNode.componentInstance) {
          childNode = childNode.componentInstance._vnode;
          if (
            childNode && childNode.data &&
            (styleData = normalizeStyleData(childNode.data))
          ) {
            extend(res, styleData);
          }
        }
      }
  
      if ((styleData = normalizeStyleData(vnode.data))) {
        extend(res, styleData);
      }
  
      var parentNode = vnode;
      while ((parentNode = parentNode.parent)) {
        if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
          extend(res, styleData);
        }
      }
      return res
    }
  
    /*  */
  
    function genStyle (style) {
      var styleText = '';
      for (var key in style) {
        var value = style[key];
        var hyphenatedKey = hyphenate(key);
        if (Array.isArray(value)) {
          for (var i = 0, len = value.length; i < len; i++) {
            styleText += normalizeValue(hyphenatedKey, value[i]);
          }
        } else {
          styleText += normalizeValue(hyphenatedKey, value);
        }
      }
      return styleText
    }
  
    function normalizeValue(key, value) {
      if (
        typeof value === 'string' ||
        (typeof value === 'number' && noUnitNumericStyleProps[key]) ||
        value === 0
      ) {
        return (key + ":" + value + ";")
      } else {
        // invalid values
        return ""
      }
    }
  
    function renderStyle (vnode) {
      var styleText = genStyle(getStyle(vnode, false));
      if (styleText !== '') {
        return (" style=" + (JSON.stringify(escape(styleText))))
      }
    }
  
    var modules = [
      renderAttrs,
      renderDOMProps,
      renderClass$1,
      renderStyle
    ];
  
    /*  */
  
    function show (node, dir) {
      if (!dir.value) {
        var style = node.data.style || (node.data.style = {});
        if (Array.isArray(style)) {
          style.push({ display: 'none' });
        } else {
          style.display = 'none';
        }
      }
    }
  
    /*  */
  
    // this is only applied for <select v-model> because it is the only edge case
    // that must be done at runtime instead of compile time.
    function model (node, dir) {
      if (!node.children) { return }
      var value = dir.value;
      var isMultiple = node.data.attrs && node.data.attrs.multiple;
      for (var i = 0, l = node.children.length; i < l; i++) {
        var option = node.children[i];
        if (option.tag === 'option') {
          if (isMultiple) {
            var selected =
              Array.isArray(value) &&
              (looseIndexOf(value, getValue(option)) > -1);
            if (selected) {
              setSelected(option);
            }
          } else {
            if (looseEqual(value, getValue(option))) {
              setSelected(option);
              return
            }
          }
        }
      }
    }
  
    function getValue (option) {
      var data = option.data || {};
      return (
        (data.attrs && data.attrs.value) ||
        (data.domProps && data.domProps.value) ||
        (option.children && option.children[0] && option.children[0].text)
      )
    }
  
    function setSelected (option) {
      var data = option.data || (option.data = {});
      var attrs = data.attrs || (data.attrs = {});
      attrs.selected = '';
    }
  
    var directives = {
      show: show,
      model: model
    };
  
    /*  */
  
    var isUnaryTag = makeMap(
      'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
      'link,meta,param,source,track,wbr'
    );
  
    // Elements that you can, intentionally, leave open
    // (and which close themselves)
    var canBeLeftOpenTag = makeMap(
      'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
    );
  
    // HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
    // Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
    var isNonPhrasingTag = makeMap(
      'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
      'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
      'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
      'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
      'title,tr,track'
    );
  
    /*  */
  
    var MAX_STACK_DEPTH = 800;
    var noop$1 = function (_) { return _; };
  
    var defer = typeof process !== 'undefined' && process.nextTick
      ? process.nextTick
      : typeof Promise !== 'undefined'
        ? function (fn) { return Promise.resolve().then(fn); }
        : typeof setTimeout !== 'undefined'
          ? setTimeout
          : noop$1;
  
    if (defer === noop$1) {
      throw new Error(
        'Your JavaScript runtime does not support any asynchronous primitives ' +
        'that are required by vue-server-renderer. Please use a polyfill for ' +
        'either Promise or setTimeout.'
      )
    }
  
    function createWriteFunction (
      write,
      onError
    ) {
      var stackDepth = 0;
      var cachedWrite = function (text, next) {
        if (text && cachedWrite.caching) {
          cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
        }
        var waitForNext = write(text, next);
        if (waitForNext !== true) {
          if (stackDepth >= MAX_STACK_DEPTH) {
            defer(function () {
              try { next(); } catch (e) {
                onError(e);
              }
            });
          } else {
            stackDepth++;
            next();
            stackDepth--;
          }
        }
      };
      cachedWrite.caching = false;
      cachedWrite.cacheBuffer = [];
      cachedWrite.componentBuffer = [];
      return cachedWrite
    }
  
    /*  */
  
  
  
    var RenderContext = function RenderContext (options) {
      this.userContext = options.userContext;
      this.activeInstance = options.activeInstance;
      this.renderStates = [];
  
      this.write = options.write;
      this.done = options.done;
      this.renderNode = options.renderNode;
  
      this.isUnaryTag = options.isUnaryTag;
      this.modules = options.modules;
      this.directives = options.directives;
  
      var cache = options.cache;
      if (cache && (!cache.get || !cache.set)) {
        throw new Error('renderer cache must implement at least get & set.')
      }
      this.cache = cache;
      this.get = cache && normalizeAsync(cache, 'get');
      this.has = cache && normalizeAsync(cache, 'has');
  
      this.next = this.next.bind(this);
    };
  
    RenderContext.prototype.next = function next () {
      // eslint-disable-next-line
      while (true) {
        var lastState = this.renderStates[this.renderStates.length - 1];
        if (isUndef(lastState)) {
          return this.done()
        }
        /* eslint-disable no-case-declarations */
        switch (lastState.type) {
          case 'Element':
          case 'Fragment':
            var children = lastState.children;
          var total = lastState.total;
            var rendered = lastState.rendered++;
            if (rendered < total) {
              return this.renderNode(children[rendered], false, this)
            } else {
              this.renderStates.pop();
              if (lastState.type === 'Element') {
                return this.write(lastState.endTag, this.next)
              }
            }
            break
          case 'Component':
            this.renderStates.pop();
            this.activeInstance = lastState.prevActive;
            break
          case 'ComponentWithCache':
            this.renderStates.pop();
            var buffer = lastState.buffer;
          var bufferIndex = lastState.bufferIndex;
          var componentBuffer = lastState.componentBuffer;
          var key = lastState.key;
            var result = {
              html: buffer[bufferIndex],
              components: componentBuffer[bufferIndex]
            };
            this.cache.set(key, result);
            if (bufferIndex === 0) {
              // this is a top-level cached component,
              // exit caching mode.
              this.write.caching = false;
            } else {
              // parent component is also being cached,
              // merge self into parent's result
              buffer[bufferIndex - 1] += result.html;
              var prev = componentBuffer[bufferIndex - 1];
              result.components.forEach(function (c) { return prev.add(c); });
            }
            buffer.length = bufferIndex;
            componentBuffer.length = bufferIndex;
            break
        }
      }
    };
  
    function normalizeAsync (cache, method) {
      var fn = cache[method];
      if (isUndef(fn)) {
        return
      } else if (fn.length > 1) {
        return function (key, cb) { return fn.call(cache, key, cb); }
      } else {
        return function (key, cb) { return cb(fn.call(cache, key)); }
      }
    }
  
    /*  */
  
    var validDivisionCharRE = /[\w).+\-_$\]]/;
  
    function parseFilters (exp) {
      var inSingle = false;
      var inDouble = false;
      var inTemplateString = false;
      var inRegex = false;
      var curly = 0;
      var square = 0;
      var paren = 0;
      var lastFilterIndex = 0;
      var c, prev, i, expression, filters;
  
      for (i = 0; i < exp.length; i++) {
        prev = c;
        c = exp.charCodeAt(i);
        if (inSingle) {
          if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
        } else if (inDouble) {
          if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
        } else if (inTemplateString) {
          if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
        } else if (inRegex) {
          if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
        } else if (
          c === 0x7C && // pipe
          exp.charCodeAt(i + 1) !== 0x7C &&
          exp.charCodeAt(i - 1) !== 0x7C &&
          !curly && !square && !paren
        ) {
          if (expression === undefined) {
            // first filter, end of expression
            lastFilterIndex = i + 1;
            expression = exp.slice(0, i).trim();
          } else {
            pushFilter();
          }
        } else {
          switch (c) {
            case 0x22: inDouble = true; break         // "
            case 0x27: inSingle = true; break         // '
            case 0x60: inTemplateString = true; break // `
            case 0x28: paren++; break                 // (
            case 0x29: paren--; break                 // )
            case 0x5B: square++; break                // [
            case 0x5D: square--; break                // ]
            case 0x7B: curly++; break                 // {
            case 0x7D: curly--; break                 // }
          }
          if (c === 0x2f) { // /
            var j = i - 1;
            var p = (void 0);
            // find first non-whitespace prev char
            for (; j >= 0; j--) {
              p = exp.charAt(j);
              if (p !== ' ') { break }
            }
            if (!p || !validDivisionCharRE.test(p)) {
              inRegex = true;
            }
          }
        }
      }
  
      if (expression === undefined) {
        expression = exp.slice(0, i).trim();
      } else if (lastFilterIndex !== 0) {
        pushFilter();
      }
  
      function pushFilter () {
        (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
        lastFilterIndex = i + 1;
      }
  
      if (filters) {
        for (i = 0; i < filters.length; i++) {
          expression = wrapFilter(expression, filters[i]);
        }
      }
  
      return expression
    }
  
    function wrapFilter (exp, filter) {
      var i = filter.indexOf('(');
      if (i < 0) {
        // _f: resolveFilter
        return ("_f(\"" + filter + "\")(" + exp + ")")
      } else {
        var name = filter.slice(0, i);
        var args = filter.slice(i + 1);
        return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
      }
    }
  
    /*  */
  
    var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
    var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
  
    var buildRegex = cached(function (delimiters) {
      var open = delimiters[0].replace(regexEscapeRE, '\\$&');
      var close = delimiters[1].replace(regexEscapeRE, '\\$&');
      return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
    });
  
  
  
    function parseText (
      text,
      delimiters
    ) {
      var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
      if (!tagRE.test(text)) {
        return
      }
      var tokens = [];
      var rawTokens = [];
      var lastIndex = tagRE.lastIndex = 0;
      var match, index, tokenValue;
      while ((match = tagRE.exec(text))) {
        index = match.index;
        // push text token
        if (index > lastIndex) {
          rawTokens.push(tokenValue = text.slice(lastIndex, index));
          tokens.push(JSON.stringify(tokenValue));
        }
        // tag token
        var exp = parseFilters(match[1].trim());
        tokens.push(("_s(" + exp + ")"));
        rawTokens.push({ '@binding': exp });
        lastIndex = index + match[0].length;
      }
      if (lastIndex < text.length) {
        rawTokens.push(tokenValue = text.slice(lastIndex));
        tokens.push(JSON.stringify(tokenValue));
      }
      return {
        expression: tokens.join('+'),
        tokens: rawTokens
      }
    }
  
    /*  */
  
  
  
    /* eslint-disable no-unused-vars */
    function baseWarn (msg, range) {
      console.error(("[Vue compiler]: " + msg));
    }
    /* eslint-enable no-unused-vars */
  
    function pluckModuleFunction (
      modules,
      key
    ) {
      return modules
        ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
        : []
    }
  
    function addProp (el, name, value, range, dynamic) {
      (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
      el.plain = false;
    }
  
    function addAttr (el, name, value, range, dynamic) {
      var attrs = dynamic
        ? (el.dynamicAttrs || (el.dynamicAttrs = []))
        : (el.attrs || (el.attrs = []));
      attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
      el.plain = false;
    }
  
    // add a raw attr (use this in preTransforms)
    function addRawAttr (el, name, value, range) {
      el.attrsMap[name] = value;
      el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
    }
  
    function addDirective (
      el,
      name,
      rawName,
      value,
      arg,
      isDynamicArg,
      modifiers,
      range
    ) {
      (el.directives || (el.directives = [])).push(rangeSetItem({
        name: name,
        rawName: rawName,
        value: value,
        arg: arg,
        isDynamicArg: isDynamicArg,
        modifiers: modifiers
      }, range));
      el.plain = false;
    }
  
    function prependModifierMarker (symbol, name, dynamic) {
      return dynamic
        ? ("_p(" + name + ",\"" + symbol + "\")")
        : symbol + name // mark the event as captured
    }
  
    function addHandler (
      el,
      name,
      value,
      modifiers,
      important,
      warn,
      range,
      dynamic
    ) {
      modifiers = modifiers || emptyObject;
      // warn prevent and passive modifier
      /* istanbul ignore if */
      if (
         warn &&
        modifiers.prevent && modifiers.passive
      ) {
        warn(
          'passive and prevent can\'t be used together. ' +
          'Passive handler can\'t prevent default event.',
          range
        );
      }
  
      // normalize click.right and click.middle since they don't actually fire
      // this is technically browser-specific, but at least for now browsers are
      // the only target envs that have right/middle clicks.
      if (modifiers.right) {
        if (dynamic) {
          name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
        } else if (name === 'click') {
          name = 'contextmenu';
          delete modifiers.right;
        }
      } else if (modifiers.middle) {
        if (dynamic) {
          name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
        } else if (name === 'click') {
          name = 'mouseup';
        }
      }
  
      // check capture modifier
      if (modifiers.capture) {
        delete modifiers.capture;
        name = prependModifierMarker('!', name, dynamic);
      }
      if (modifiers.once) {
        delete modifiers.once;
        name = prependModifierMarker('~', name, dynamic);
      }
      /* istanbul ignore if */
      if (modifiers.passive) {
        delete modifiers.passive;
        name = prependModifierMarker('&', name, dynamic);
      }
  
      var events;
      if (modifiers.native) {
        delete modifiers.native;
        events = el.nativeEvents || (el.nativeEvents = {});
      } else {
        events = el.events || (el.events = {});
      }
  
      var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
      if (modifiers !== emptyObject) {
        newHandler.modifiers = modifiers;
      }
  
      var handlers = events[name];
      /* istanbul ignore if */
      if (Array.isArray(handlers)) {
        important ? handlers.unshift(newHandler) : handlers.push(newHandler);
      } else if (handlers) {
        events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
      } else {
        events[name] = newHandler;
      }
  
      el.plain = false;
    }
  
    function getRawBindingAttr (
      el,
      name
    ) {
      return el.rawAttrsMap[':' + name] ||
        el.rawAttrsMap['v-bind:' + name] ||
        el.rawAttrsMap[name]
    }
  
    function getBindingAttr (
      el,
      name,
      getStatic
    ) {
      var dynamicValue =
        getAndRemoveAttr(el, ':' + name) ||
        getAndRemoveAttr(el, 'v-bind:' + name);
      if (dynamicValue != null) {
        return parseFilters(dynamicValue)
      } else if (getStatic !== false) {
        var staticValue = getAndRemoveAttr(el, name);
        if (staticValue != null) {
          return JSON.stringify(staticValue)
        }
      }
    }
  
    // note: this only removes the attr from the Array (attrsList) so that it
    // doesn't get processed by processAttrs.
    // By default it does NOT remove it from the map (attrsMap) because the map is
    // needed during codegen.
    function getAndRemoveAttr (
      el,
      name,
      removeFromMap
    ) {
      var val;
      if ((val = el.attrsMap[name]) != null) {
        var list = el.attrsList;
        for (var i = 0, l = list.length; i < l; i++) {
          if (list[i].name === name) {
            list.splice(i, 1);
            break
          }
        }
      }
      if (removeFromMap) {
        delete el.attrsMap[name];
      }
      return val
    }
  
    function getAndRemoveAttrByRegex (
      el,
      name
    ) {
      var list = el.attrsList;
      for (var i = 0, l = list.length; i < l; i++) {
        var attr = list[i];
        if (name.test(attr.name)) {
          list.splice(i, 1);
          return attr
        }
      }
    }
  
    function rangeSetItem (
      item,
      range
    ) {
      if (range) {
        if (range.start != null) {
          item.start = range.start;
        }
        if (range.end != null) {
          item.end = range.end;
        }
      }
      return item
    }
  
    /*  */
  
    function transformNode (el, options) {
      var warn = options.warn || baseWarn;
      var staticClass = getAndRemoveAttr(el, 'class');
      if ( staticClass) {
        var res = parseText(staticClass, options.delimiters);
        if (res) {
          warn(
            "class=\"" + staticClass + "\": " +
            'Interpolation inside attributes has been removed. ' +
            'Use v-bind or the colon shorthand instead. For example, ' +
            'instead of <div class="{{ val }}">, use <div :class="val">.',
            el.rawAttrsMap['class']
          );
        }
      }
      if (staticClass) {
        el.staticClass = JSON.stringify(staticClass.replace(/\s+/g, ' ').trim());
      }
      var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
      if (classBinding) {
        el.classBinding = classBinding;
      }
    }
  
    function genData (el) {
      var data = '';
      if (el.staticClass) {
        data += "staticClass:" + (el.staticClass) + ",";
      }
      if (el.classBinding) {
        data += "class:" + (el.classBinding) + ",";
      }
      return data
    }
  
    var klass = {
      staticKeys: ['staticClass'],
      transformNode: transformNode,
      genData: genData
    };
  
    /*  */
  
    function transformNode$1 (el, options) {
      var warn = options.warn || baseWarn;
      var staticStyle = getAndRemoveAttr(el, 'style');
      if (staticStyle) {
        /* istanbul ignore if */
        {
          var res = parseText(staticStyle, options.delimiters);
          if (res) {
            warn(
              "style=\"" + staticStyle + "\": " +
              'Interpolation inside attributes has been removed. ' +
              'Use v-bind or the colon shorthand instead. For example, ' +
              'instead of <div style="{{ val }}">, use <div :style="val">.',
              el.rawAttrsMap['style']
            );
          }
        }
        el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
      }
  
      var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
      if (styleBinding) {
        el.styleBinding = styleBinding;
      }
    }
  
    function genData$1 (el) {
      var data = '';
      if (el.staticStyle) {
        data += "staticStyle:" + (el.staticStyle) + ",";
      }
      if (el.styleBinding) {
        data += "style:(" + (el.styleBinding) + "),";
      }
      return data
    }
  
    var style = {
      staticKeys: ['staticStyle'],
      transformNode: transformNode$1,
      genData: genData$1
    };
  
    var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
  
    function createCommonjsModule(fn, module) {
    	return module = { exports: {} }, fn(module, module.exports), module.exports;
    }
  
    var he = createCommonjsModule(function (module, exports) {
    (function(root) {
  
    	// Detect free variables `exports`.
    	var freeExports =  exports;
  
    	// Detect free variable `module`.
    	var freeModule =  module &&
    		module.exports == freeExports && module;
  
    	// Detect free variable `global`, from Node.js or Browserified code,
    	// and use it as `root`.
    	var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal;
    	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
    		root = freeGlobal;
    	}
  
    	/*--------------------------------------------------------------------------*/
  
    	// All astral symbols.
    	var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
    	// All ASCII symbols (not just printable ASCII) except those listed in the
    	// first column of the overrides table.
    	// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides
    	var regexAsciiWhitelist = /[\x01-\x7F]/g;
    	// All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
    	// code points listed in the first column of the overrides table on
    	// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.
    	var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
  
    	var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
    	var encodeMap = 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','\u2A73':'Esim','\u2A77':'eDDot','\u2A78':'equivDD','\u2A79':'ltcir','\u2A7A':'gtcir','\u2A7B':'ltquest','\u2A7C':'gtquest','\u2A7D':'les','\u2A7D\u0338':'nles','\u2A7E':'ges','\u2A7E\u0338':'nges','\u2A7F':'lesdot','\u2A80':'gesdot','\u2A81':'lesdoto','\u2A82':'gesdoto','\u2A83':'lesdotor','\u2A84':'gesdotol','\u2A85':'lap','\u2A86':'gap','\u2A87':'lne','\u2A88':'gne','\u2A89':'lnap','\u2A8A':'gnap','\u2A8B':'lEg','\u2A8C':'gEl','\u2A8D':'lsime','\u2A8E':'gsime','\u2A8F':'lsimg','\u2A90':'gsiml','\u2A91':'lgE','\u2A92':'glE','\u2A93':'lesges','\u2A94':'gesles','\u2A95':'els','\u2A96':'egs','\u2A97':'elsdot','\u2A98':'egsdot','\u2A99':'el','\u2A9A':'eg','\u2A9D':'siml','\u2A9E':'simg','\u2A9F':'simlE','\u2AA0':'simgE','\u2AA1':'LessLess','\u2AA1\u0338':'NotNestedLessLess','\u2AA2':'GreaterGreater','\u2AA2\u0338':'NotNestedGreaterGreater','\u2AA4':'glj','\u2AA5':'gla','\u2AA6':'ltcc','\u2AA7':'gtcc','\u2AA8':'lescc','\u2AA9':'gescc','\u2AAA':'smt','\u2AAB':'lat','\u2AAC':'smte','\u2AAC\uFE00':'smtes','\u2AAD':'late','\u2AAD\uFE00':'lates','\u2AAE':'bumpE','\u2AAF':'pre','\u2AAF\u0338':'npre','\u2AB0':'sce','\u2AB0\u0338':'nsce','\u2AB3':'prE','\u2AB4':'scE','\u2AB5':'prnE','\u2AB6':'scnE','\u2AB7':'prap','\u2AB8':'scap','\u2AB9':'prnap','\u2ABA':'scnap','\u2ABB':'Pr','\u2ABC':'Sc','\u2ABD':'subdot','\u2ABE':'supdot','\u2ABF':'subplus','\u2AC0':'supplus','\u2AC1':'submult','\u2AC2':'supmult','\u2AC3':'subedot','\u2AC4':'supedot','\u2AC5':'subE','\u2AC5\u0338':'nsubE','\u2AC6':'supE','\u2AC6\u0338':'nsupE','\u2AC7':'subsim','\u2AC8':'supsim','\u2ACB\uFE00':'vsubnE','\u2ACB':'subnE','\u2ACC\uFE00':'vsupnE','\u2ACC':'supnE','\u2ACF':'csub','\u2AD0':'csup','\u2AD1':'csube','\u2AD2':'csupe','\u2AD3':'subsup','\u2AD4':'supsub','\u2AD5':'subsub','\u2AD6':'supsup','\u2AD7':'suphsub','\u2AD8':'supdsub','\u2AD9':'forkv','\u2ADA':'topfork','\u2ADB':'mlcp','\u2AE4':'Dashv','\u2AE6':'Vdashl','\u2AE7':'Barv','\u2AE8':'vBar','\u2AE9':'vBarv','\u2AEB':'Vbar','\u2AEC':'Not','\u2AED':'bNot','\u2AEE':'rnmid','\u2AEF':'cirmid','\u2AF0':'midcir','\u2AF1':'topcir','\u2AF2':'nhpar','\u2AF3':'parsim','\u2AFD':'parsl','\u2AFD\u20E5':'nparsl','\u266D':'flat','\u266E':'natur','\u266F':'sharp','\xA4':'curren','\xA2':'cent','$':'dollar','\xA3':'pound','\xA5':'yen','\u20AC':'euro','\xB9':'sup1','\xBD':'half','\u2153':'frac13','\xBC':'frac14','\u2155':'frac15','\u2159':'frac16','\u215B':'frac18','\xB2':'sup2','\u2154':'frac23','\u2156':'frac25','\xB3':'sup3','\xBE':'frac34','\u2157':'frac35','\u215C':'frac38','\u2158':'frac45','\u215A':'frac56','\u215D':'frac58','\u215E':'frac78','\uD835\uDCB6':'ascr','\uD835\uDD52':'aopf','\uD835\uDD1E':'afr','\uD835\uDD38':'Aopf','\uD835\uDD04':'Afr','\uD835\uDC9C':'Ascr','\xAA':'ordf','\xE1':'aacute','\xC1':'Aacute','\xE0':'agrave','\xC0':'Agrave','\u0103':'abreve','\u0102':'Abreve','\xE2':'acirc','\xC2':'Acirc','\xE5':'aring','\xC5':'angst','\xE4':'auml','\xC4':'Auml','\xE3':'atilde','\xC3':'Atilde','\u0105':'aogon','\u0104':'Aogon','\u0101':'amacr','\u0100':'Amacr','\xE6':'aelig','\xC6':'AElig','\uD835\uDCB7':'bscr','\uD835\uDD53':'bopf','\uD835\uDD1F':'bfr','\uD835\uDD39':'Bopf','\u212C':'Bscr','\uD835\uDD05':'Bfr','\uD835\uDD20':'cfr','\uD835\uDCB8':'cscr','\uD835\uDD54':'copf','\u212D':'Cfr','\uD835\uDC9E':'Cscr','\u2102':'Copf','\u0107':'cacute','\u0106':'Cacute','\u0109':'ccirc','\u0108':'Ccirc','\u010D':'ccaron','\u010C':'Ccaron','\u010B':'cdot','\u010A':'Cdot','\xE7':'ccedil','\xC7':'Ccedil','\u2105':'incare','\uD835\uDD21':'dfr','\u2146':'dd','\uD835\uDD55':'dopf','\uD835\uDCB9':'dscr','\uD835\uDC9F':'Dscr','\uD835\uDD07':'Dfr','\u2145':'DD','\uD835\uDD3B':'Dopf','\u010F':'dcaron','\u010E':'Dcaron','\u0111':'dstrok','\u0110':'Dstrok','\xF0':'eth','\xD0':'ETH','\u2147':'ee','\u212F':'escr','\uD835\uDD22':'efr','\uD835\uDD56':'eopf','\u2130':'Escr','\uD835\uDD08':'Efr','\uD835\uDD3C':'Eopf','\xE9':'eacute','\xC9':'Eacute','\xE8':'egrave','\xC8':'Egrave','\xEA':'ecirc','\xCA':'Ecirc','\u011B':'ecaron','\u011A':'Ecaron','\xEB':'euml','\xCB':'Euml','\u0117':'edot','\u0116':'Edot','\u0119':'eogon','\u0118':'Eogon','\u0113':'emacr','\u0112':'Emacr','\uD835\uDD23':'ffr','\uD835\uDD57':'fopf','\uD835\uDCBB':'fscr','\uD835\uDD09':'Ffr','\uD835\uDD3D':'Fopf','\u2131':'Fscr','\uFB00':'fflig','\uFB03':'ffilig','\uFB04':'ffllig','\uFB01':'filig','fj':'fjlig','\uFB02':'fllig','\u0192':'fnof','\u210A':'gscr','\uD835\uDD58':'gopf','\uD835\uDD24':'gfr','\uD835\uDCA2':'Gscr','\uD835\uDD3E':'Gopf','\uD835\uDD0A':'Gfr','\u01F5':'gacute','\u011F':'gbreve','\u011E':'Gbreve','\u011D':'gcirc','\u011C':'Gcirc','\u0121':'gdot','\u0120':'Gdot','\u0122':'Gcedil','\uD835\uDD25':'hfr','\u210E':'planckh','\uD835\uDCBD':'hscr','\uD835\uDD59':'hopf','\u210B':'Hscr','\u210C':'Hfr','\u210D':'Hopf','\u0125':'hcirc','\u0124':'Hcirc','\u210F':'hbar','\u0127':'hstrok','\u0126':'Hstrok','\uD835\uDD5A':'iopf','\uD835\uDD26':'ifr','\uD835\uDCBE':'iscr','\u2148':'ii','\uD835\uDD40':'Iopf','\u2110':'Iscr','\u2111':'Im','\xED':'iacute','\xCD':'Iacute','\xEC':'igrave','\xCC':'Igrave','\xEE':'icirc','\xCE':'Icirc','\xEF':'iuml','\xCF':'Iuml','\u0129':'itilde','\u0128':'Itilde','\u0130':'Idot','\u012F':'iogon','\u012E':'Iogon','\u012B':'imacr','\u012A':'Imacr','\u0133':'ijlig','\u0132':'IJlig','\u0131':'imath','\uD835\uDCBF':'jscr','\uD835\uDD5B':'jopf','\uD835\uDD27':'jfr','\uD835\uDCA5':'Jscr','\uD835\uDD0D':'Jfr','\uD835\uDD41':'Jopf','\u0135':'jcirc','\u0134':'Jcirc','\u0237':'jmath','\uD835\uDD5C':'kopf','\uD835\uDCC0':'kscr','\uD835\uDD28':'kfr','\uD835\uDCA6':'Kscr','\uD835\uDD42':'Kopf','\uD835\uDD0E':'Kfr','\u0137':'kcedil','\u0136':'Kcedil','\uD835\uDD29':'lfr','\uD835\uDCC1':'lscr','\u2113':'ell','\uD835\uDD5D':'lopf','\u2112':'Lscr','\uD835\uDD0F':'Lfr','\uD835\uDD43':'Lopf','\u013A':'lacute','\u0139':'Lacute','\u013E':'lcaron','\u013D':'Lcaron','\u013C':'lcedil','\u013B':'Lcedil','\u0142':'lstrok','\u0141':'Lstrok','\u0140':'lmidot','\u013F':'Lmidot','\uD835\uDD2A':'mfr','\uD835\uDD5E':'mopf','\uD835\uDCC2':'mscr','\uD835\uDD10':'Mfr','\uD835\uDD44':'Mopf','\u2133':'Mscr','\uD835\uDD2B':'nfr','\uD835\uDD5F':'nopf','\uD835\uDCC3':'nscr','\u2115':'Nopf','\uD835\uDCA9':'Nscr','\uD835\uDD11':'Nfr','\u0144':'nacute','\u0143':'Nacute','\u0148':'ncaron','\u0147':'Ncaron','\xF1':'ntilde','\xD1':'Ntilde','\u0146':'ncedil','\u0145':'Ncedil','\u2116':'numero','\u014B':'eng','\u014A':'ENG','\uD835\uDD60':'oopf','\uD835\uDD2C':'ofr','\u2134':'oscr','\uD835\uDCAA':'Oscr','\uD835\uDD12':'Ofr','\uD835\uDD46':'Oopf','\xBA':'ordm','\xF3':'oacute','\xD3':'Oacute','\xF2':'ograve','\xD2':'Ograve','\xF4':'ocirc','\xD4':'Ocirc','\xF6':'ouml','\xD6':'Ouml','\u0151':'odblac','\u0150':'Odblac','\xF5':'otilde','\xD5':'Otilde','\xF8':'oslash','\xD8':'Oslash','\u014D':'omacr','\u014C':'Omacr','\u0153':'oelig','\u0152':'OElig','\uD835\uDD2D':'pfr','\uD835\uDCC5':'pscr','\uD835\uDD61':'popf','\u2119':'Popf','\uD835\uDD13':'Pfr','\uD835\uDCAB':'Pscr','\uD835\uDD62':'qopf','\uD835\uDD2E':'qfr','\uD835\uDCC6':'qscr','\uD835\uDCAC':'Qscr','\uD835\uDD14':'Qfr','\u211A':'Qopf','\u0138':'kgreen','\uD835\uDD2F':'rfr','\uD835\uDD63':'ropf','\uD835\uDCC7':'rscr','\u211B':'Rscr','\u211C':'Re','\u211D':'Ropf','\u0155':'racute','\u0154':'Racute','\u0159':'rcaron','\u0158':'Rcaron','\u0157':'rcedil','\u0156':'Rcedil','\uD835\uDD64':'sopf','\uD835\uDCC8':'sscr','\uD835\uDD30':'sfr','\uD835\uDD4A':'Sopf','\uD835\uDD16':'Sfr','\uD835\uDCAE':'Sscr','\u24C8':'oS','\u015B':'sacute','\u015A':'Sacute','\u015D':'scirc','\u015C':'Scirc','\u0161':'scaron','\u0160':'Scaron','\u015F':'scedil','\u015E':'Scedil','\xDF':'szlig','\uD835\uDD31':'tfr','\uD835\uDCC9':'tscr','\uD835\uDD65':'topf','\uD835\uDCAF':'Tscr','\uD835\uDD17':'Tfr','\uD835\uDD4B':'Topf','\u0165':'tcaron','\u0164':'Tcaron','\u0163':'tcedil','\u0162':'Tcedil','\u2122':'trade','\u0167':'tstrok','\u0166':'Tstrok','\uD835\uDCCA':'uscr','\uD835\uDD66':'uopf','\uD835\uDD32':'ufr','\uD835\uDD4C':'Uopf','\uD835\uDD18':'Ufr','\uD835\uDCB0':'Uscr','\xFA':'uacute','\xDA':'Uacute','\xF9':'ugrave','\xD9':'Ugrave','\u016D':'ubreve','\u016C':'Ubreve','\xFB':'ucirc','\xDB':'Ucirc','\u016F':'uring','\u016E':'Uring','\xFC':'uuml','\xDC':'Uuml','\u0171':'udblac','\u0170':'Udblac','\u0169':'utilde','\u0168':'Utilde','\u0173':'uogon','\u0172':'Uogon','\u016B':'umacr','\u016A':'Umacr','\uD835\uDD33':'vfr','\uD835\uDD67':'vopf','\uD835\uDCCB':'vscr','\uD835\uDD19':'Vfr','\uD835\uDD4D':'Vopf','\uD835\uDCB1':'Vscr','\uD835\uDD68':'wopf','\uD835\uDCCC':'wscr','\uD835\uDD34':'wfr','\uD835\uDCB2':'Wscr','\uD835\uDD4E':'Wopf','\uD835\uDD1A':'Wfr','\u0175':'wcirc','\u0174':'Wcirc','\uD835\uDD35':'xfr','\uD835\uDCCD':'xscr','\uD835\uDD69':'xopf','\uD835\uDD4F':'Xopf','\uD835\uDD1B':'Xfr','\uD835\uDCB3':'Xscr','\uD835\uDD36':'yfr','\uD835\uDCCE':'yscr','\uD835\uDD6A':'yopf','\uD835\uDCB4':'Yscr','\uD835\uDD1C':'Yfr','\uD835\uDD50':'Yopf','\xFD':'yacute','\xDD':'Yacute','\u0177':'ycirc','\u0176':'Ycirc','\xFF':'yuml','\u0178':'Yuml','\uD835\uDCCF':'zscr','\uD835\uDD37':'zfr','\uD835\uDD6B':'zopf','\u2128':'Zfr','\u2124':'Zopf','\uD835\uDCB5':'Zscr','\u017A':'zacute','\u0179':'Zacute','\u017E':'zcaron','\u017D':'Zcaron','\u017C':'zdot','\u017B':'Zdot','\u01B5':'imped','\xFE':'thorn','\xDE':'THORN','\u0149':'napos','\u03B1':'alpha','\u0391':'Alpha','\u03B2':'beta','\u0392':'Beta','\u03B3':'gamma','\u0393':'Gamma','\u03B4':'delta','\u0394':'Delta','\u03B5':'epsi','\u03F5':'epsiv','\u0395':'Epsilon','\u03DD':'gammad','\u03DC':'Gammad','\u03B6':'zeta','\u0396':'Zeta','\u03B7':'eta','\u0397':'Eta','\u03B8':'theta','\u03D1':'thetav','\u0398':'Theta','\u03B9':'iota','\u0399':'Iota','\u03BA':'kappa','\u03F0':'kappav','\u039A':'Kappa','\u03BB':'lambda','\u039B':'Lambda','\u03BC':'mu','\xB5':'micro','\u039C':'Mu','\u03BD':'nu','\u039D':'Nu','\u03BE':'xi','\u039E':'Xi','\u03BF':'omicron','\u039F':'Omicron','\u03C0':'pi','\u03D6':'piv','\u03A0':'Pi','\u03C1':'rho','\u03F1':'rhov','\u03A1':'Rho','\u03C3':'sigma','\u03A3':'Sigma','\u03C2':'sigmaf','\u03C4':'tau','\u03A4':'Tau','\u03C5':'upsi','\u03A5':'Upsilon','\u03D2':'Upsi','\u03C6':'phi','\u03D5':'phiv','\u03A6':'Phi','\u03C7':'chi','\u03A7':'Chi','\u03C8':'psi','\u03A8':'Psi','\u03C9':'omega','\u03A9':'ohm','\u0430':'acy','\u0410':'Acy','\u0431':'bcy','\u0411':'Bcy','\u0432':'vcy','\u0412':'Vcy','\u0433':'gcy','\u0413':'Gcy','\u0453':'gjcy','\u0403':'GJcy','\u0434':'dcy','\u0414':'Dcy','\u0452':'djcy','\u0402':'DJcy','\u0435':'iecy','\u0415':'IEcy','\u0451':'iocy','\u0401':'IOcy','\u0454':'jukcy','\u0404':'Jukcy','\u0436':'zhcy','\u0416':'ZHcy','\u0437':'zcy','\u0417':'Zcy','\u0455':'dscy','\u0405':'DScy','\u0438':'icy','\u0418':'Icy','\u0456':'iukcy','\u0406':'Iukcy','\u0457':'yicy','\u0407':'YIcy','\u0439':'jcy','\u0419':'Jcy','\u0458':'jsercy','\u0408':'Jsercy','\u043A':'kcy','\u041A':'Kcy','\u045C':'kjcy','\u040C':'KJcy','\u043B':'lcy','\u041B':'Lcy','\u0459':'ljcy','\u0409':'LJcy','\u043C':'mcy','\u041C':'Mcy','\u043D':'ncy','\u041D':'Ncy','\u045A':'njcy','\u040A':'NJcy','\u043E':'ocy','\u041E':'Ocy','\u043F':'pcy','\u041F':'Pcy','\u0440':'rcy','\u0420':'Rcy','\u0441':'scy','\u0421':'Scy','\u0442':'tcy','\u0422':'Tcy','\u045B':'tshcy','\u040B':'TSHcy','\u0443':'ucy','\u0423':'Ucy','\u045E':'ubrcy','\u040E':'Ubrcy','\u0444':'fcy','\u0424':'Fcy','\u0445':'khcy','\u0425':'KHcy','\u0446':'tscy','\u0426':'TScy','\u0447':'chcy','\u0427':'CHcy','\u045F':'dzcy','\u040F':'DZcy','\u0448':'shcy','\u0428':'SHcy','\u0449':'shchcy','\u0429':'SHCHcy','\u044A':'hardcy','\u042A':'HARDcy','\u044B':'ycy','\u042B':'Ycy','\u044C':'softcy','\u042C':'SOFTcy','\u044D':'ecy','\u042D':'Ecy','\u044E':'yucy','\u042E':'YUcy','\u044F':'yacy','\u042F':'YAcy','\u2135':'aleph','\u2136':'beth','\u2137':'gimel','\u2138':'daleth'};
  
    	var regexEscape = /["&'<>`]/g;
    	var escapeMap = {
    		'"': '&quot;',
    		'&': '&amp;',
    		'\'': '&#x27;',
    		'<': '&lt;',
    		// See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
    		// following is not strictly necessary unless it’s part of a tag or an
    		// unquoted attribute value. We’re only escaping it to support those
    		// situations, and for XML support.
    		'>': '&gt;',
    		// In Internet Explorer ≤ 8, the backtick character can be used
    		// to break out of (un)quoted attribute values or HTML comments.
    		// See http://html5sec.org/#102, http://html5sec.org/#108, and
    		// http://html5sec.org/#133.
    		'`': '&#x60;'
    	};
  
    	var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
    	var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
    	var regexDecode = 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|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g;
    	var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\u2230','ccups':'\u2A4C','ccupssm':'\u2A50','cdot':'\u010B','Cdot':'\u010A','cedil':'\xB8','Cedilla':'\xB8','cemptyv':'\u29B2','cent':'\xA2','centerdot':'\xB7','CenterDot':'\xB7','cfr':'\uD835\uDD20','Cfr':'\u212D','chcy':'\u0447','CHcy':'\u0427','check':'\u2713','checkmark':'\u2713','chi':'\u03C7','Chi':'\u03A7','cir':'\u25CB','circ':'\u02C6','circeq':'\u2257','circlearrowleft':'\u21BA','circlearrowright':'\u21BB','circledast':'\u229B','circledcirc':'\u229A','circleddash':'\u229D','CircleDot':'\u2299','circledR':'\xAE','circledS':'\u24C8','CircleMinus':'\u2296','CirclePlus':'\u2295','CircleTimes':'\u2297','cire':'\u2257','cirE':'\u29C3','cirfnint':'\u2A10','cirmid':'\u2AEF','cirscir':'\u29C2','ClockwiseContourIntegral':'\u2232','CloseCurlyDoubleQuote':'\u201D','CloseCurlyQuote':'\u2019','clubs':'\u2663','clubsuit':'\u2663','colon':':','Colon':'\u2237','colone':'\u2254','Colone':'\u2A74','coloneq':'\u2254','comma':',','commat':'@','comp':'\u2201','compfn':'\u2218','complement':'\u2201','complexes':'\u2102','cong':'\u2245','congdot':'\u2A6D','Congruent':'\u2261','conint':'\u222E','Conint':'\u222F','ContourIntegral':'\u222E','copf':'\uD835\uDD54','Copf':'\u2102','coprod':'\u2210','Coproduct':'\u2210','copy':'\xA9','COPY':'\xA9','copysr':'\u2117','CounterClockwiseContourIntegral':'\u2233','crarr':'\u21B5','cross':'\u2717','Cross':'\u2A2F','cscr':'\uD835\uDCB8','Cscr':'\uD835\uDC9E','csub':'\u2ACF','csube':'\u2AD1','csup':'\u2AD0','csupe':'\u2AD2','ctdot':'\u22EF','cudarrl':'\u2938','cudarrr':'\u2935','cuepr':'\u22DE','cuesc':'\u22DF','cularr':'\u21B6','cularrp':'\u293D','cup':'\u222A','Cup':'\u22D3','cupbrcap':'\u2A48','cupcap':'\u2A46','CupCap':'\u224D','cupcup':'\u2A4A','cupdot':'\u228D','cupor':'\u2A45','cups':'\u222A\uFE00','curarr':'\u21B7','curarrm':'\u293C','curlyeqprec':'\u22DE','curlyeqsucc':'\u22DF','curlyvee':'\u22CE','curlywedge':'\u22CF','curren':'\xA4','curvearrowleft':'\u21B6','curvearrowright':'\u21B7','cuvee':'\u22CE','cuwed':'\u22CF','cwconint':'\u2232','cwint':'\u2231','cylcty':'\u232D','dagger':'\u2020','Dagger':'\u2021','daleth':'\u2138','darr':'\u2193','dArr':'\u21D3','Darr':'\u21A1','dash':'\u2010','dashv':'\u22A3','Dashv':'\u2AE4','dbkarow':'\u290F','dblac':'\u02DD','dcaron':'\u010F','Dcaron':'\u010E','dcy':'\u0434','Dcy':'\u0414','dd':'\u2146','DD':'\u2145','ddagger':'\u2021','ddarr':'\u21CA','DDotrahd':'\u2911','ddotseq':'\u2A77','deg':'\xB0','Del':'\u2207','delta':'\u03B4','Delta':'\u0394','demptyv':'\u29B1','dfisht':'\u297F','dfr':'\uD835\uDD21','Dfr':'\uD835\uDD07','dHar':'\u2965','dharl':'\u21C3','dharr':'\u21C2','DiacriticalAcute':'\xB4','DiacriticalDot':'\u02D9','DiacriticalDoubleAcute':'\u02DD','DiacriticalGrave':'`','DiacriticalTilde':'\u02DC','diam':'\u22C4','diamond':'\u22C4','Diamond':'\u22C4','diamondsuit':'\u2666','diams':'\u2666','die':'\xA8','DifferentialD':'\u2146','digamma':'\u03DD','disin':'\u22F2','div':'\xF7','divide':'\xF7','divideontimes':'\u22C7','divonx':'\u22C7','djcy':'\u0452','DJcy':'\u0402','dlcorn':'\u231E','dlcrop':'\u230D','dollar':'$','dopf':'\uD835\uDD55','Dopf':'\uD835\uDD3B','dot':'\u02D9','Dot':'\xA8','DotDot':'\u20DC','doteq':'\u2250','doteqdot':'\u2251','DotEqual':'\u2250','dotminus':'\u2238','dotplus':'\u2214','dotsquare':'\u22A1','doublebarwedge':'\u2306','DoubleContourIntegral':'\u222F','DoubleDot':'\xA8','DoubleDownArrow':'\u21D3','DoubleLeftArrow':'\u21D0','DoubleLeftRightArrow':'\u21D4','DoubleLeftTee':'\u2AE4','DoubleLongLeftArrow':'\u27F8','DoubleLongLeftRightArrow':'\u27FA','DoubleLongRightArrow':'\u27F9','DoubleRightArrow':'\u21D2','DoubleRightTee':'\u22A8','DoubleUpArrow':'\u21D1','DoubleUpDownArrow':'\u21D5','DoubleVerticalBar':'\u2225','downarrow':'\u2193','Downarrow':'\u21D3','DownArrow':'\u2193','DownArrowBar':'\u2913','DownArrowUpArrow':'\u21F5','DownBreve':'\u0311','downdownarrows':'\u21CA','downharpoonleft':'\u21C3','downharpoonright':'\u21C2','DownLeftRightVector':'\u2950','DownLeftTeeVector':'\u295E','DownLeftVector':'\u21BD','DownLeftVectorBar':'\u2956','DownRightTeeVector':'\u295F','DownRightVector':'\u21C1','DownRightVectorBar':'\u2957','DownTee':'\u22A4','DownTeeArrow':'\u21A7','drbkarow':'\u2910','drcorn':'\u231F','drcrop':'\u230C','dscr':'\uD835\uDCB9','Dscr':'\uD835\uDC9F','dscy':'\u0455','DScy':'\u0405','dsol':'\u29F6','dstrok':'\u0111','Dstrok':'\u0110','dtdot':'\u22F1','dtri':'\u25BF','dtrif':'\u25BE','duarr':'\u21F5','duhar':'\u296F','dwangle':'\u29A6','dzcy':'\u045F','DZcy':'\u040F','dzigrarr':'\u27FF','eacute':'\xE9','Eacute':'\xC9','easter':'\u2A6E','ecaron':'\u011B','Ecaron':'\u011A','ecir':'\u2256','ecirc':'\xEA','Ecirc':'\xCA','ecolon':'\u2255','ecy':'\u044D','Ecy':'\u042D','eDDot':'\u2A77','edot':'\u0117','eDot':'\u2251','Edot':'\u0116','ee':'\u2147','efDot':'\u2252','efr':'\uD835\uDD22','Efr':'\uD835\uDD08','eg':'\u2A9A','egrave':'\xE8','Egrave':'\xC8','egs':'\u2A96','egsdot':'\u2A98','el':'\u2A99','Element':'\u2208','elinters':'\u23E7','ell':'\u2113','els':'\u2A95','elsdot':'\u2A97','emacr':'\u0113','Emacr':'\u0112','empty':'\u2205','emptyset':'\u2205','EmptySmallSquare':'\u25FB','emptyv':'\u2205','EmptyVerySmallSquare':'\u25AB','emsp':'\u2003','emsp13':'\u2004','emsp14':'\u2005','eng':'\u014B','ENG':'\u014A','ensp':'\u2002','eogon':'\u0119','Eogon':'\u0118','eopf':'\uD835\uDD56','Eopf':'\uD835\uDD3C','epar':'\u22D5','eparsl':'\u29E3','eplus':'\u2A71','epsi':'\u03B5','epsilon':'\u03B5','Epsilon':'\u0395','epsiv':'\u03F5','eqcirc':'\u2256','eqcolon':'\u2255','eqsim':'\u2242','eqslantgtr':'\u2A96','eqslantless':'\u2A95','Equal':'\u2A75','equals':'=','EqualTilde':'\u2242','equest':'\u225F','Equilibrium':'\u21CC','equiv':'\u2261','equivDD':'\u2A78','eqvparsl':'\u29E5','erarr':'\u2971','erDot':'\u2253','escr':'\u212F','Escr':'\u2130','esdot':'\u2250','esim':'\u2242','Esim':'\u2A73','eta':'\u03B7','Eta':'\u0397','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','euro':'\u20AC','excl':'!','exist':'\u2203','Exists':'\u2203','expectation':'\u2130','exponentiale':'\u2147','ExponentialE':'\u2147','fallingdotseq':'\u2252','fcy':'\u0444','Fcy':'\u0424','female':'\u2640','ffilig':'\uFB03','fflig':'\uFB00','ffllig':'\uFB04','ffr':'\uD835\uDD23','Ffr':'\uD835\uDD09','filig':'\uFB01','FilledSmallSquare':'\u25FC','FilledVerySmallSquare':'\u25AA','fjlig':'fj','flat':'\u266D','fllig':'\uFB02','fltns':'\u25B1','fnof':'\u0192','fopf':'\uD835\uDD57','Fopf':'\uD835\uDD3D','forall':'\u2200','ForAll':'\u2200','fork':'\u22D4','forkv':'\u2AD9','Fouriertrf':'\u2131','fpartint':'\u2A0D','frac12':'\xBD','frac13':'\u2153','frac14':'\xBC','frac15':'\u2155','frac16':'\u2159','frac18':'\u215B','frac23':'\u2154','frac25':'\u2156','frac34':'\xBE','frac35':'\u2157','frac38':'\u215C','frac45':'\u2158','frac56':'\u215A','frac58':'\u215D','frac78':'\u215E','frasl':'\u2044','frown':'\u2322','fscr':'\uD835\uDCBB','Fscr':'\u2131','gacute':'\u01F5','gamma':'\u03B3','Gamma':'\u0393','gammad':'\u03DD','Gammad':'\u03DC','gap':'\u2A86','gbreve':'\u011F','Gbreve':'\u011E','Gcedil':'\u0122','gcirc':'\u011D','Gcirc':'\u011C','gcy':'\u0433','Gcy':'\u0413','gdot':'\u0121','Gdot':'\u0120','ge':'\u2265','gE':'\u2267','gel':'\u22DB','gEl':'\u2A8C','geq':'\u2265','geqq':'\u2267','geqslant':'\u2A7E','ges':'\u2A7E','gescc':'\u2AA9','gesdot':'\u2A80','gesdoto':'\u2A82','gesdotol':'\u2A84','gesl':'\u22DB\uFE00','gesles':'\u2A94','gfr':'\uD835\uDD24','Gfr':'\uD835\uDD0A','gg':'\u226B','Gg':'\u22D9','ggg':'\u22D9','gimel':'\u2137','gjcy':'\u0453','GJcy':'\u0403','gl':'\u2277','gla':'\u2AA5','glE':'\u2A92','glj':'\u2AA4','gnap':'\u2A8A','gnapprox':'\u2A8A','gne':'\u2A88','gnE':'\u2269','gneq':'\u2A88','gneqq':'\u2269','gnsim':'\u22E7','gopf':'\uD835\uDD58','Gopf':'\uD835\uDD3E','grave':'`','GreaterEqual':'\u2265','GreaterEqualLess':'\u22DB','GreaterFullEqual':'\u2267','GreaterGreater':'\u2AA2','GreaterLess':'\u2277','GreaterSlantEqual':'\u2A7E','GreaterTilde':'\u2273','gscr':'\u210A','Gscr':'\uD835\uDCA2','gsim':'\u2273','gsime':'\u2A8E','gsiml':'\u2A90','gt':'>','Gt':'\u226B','GT':'>','gtcc':'\u2AA7','gtcir':'\u2A7A','gtdot':'\u22D7','gtlPar':'\u2995','gtquest':'\u2A7C','gtrapprox':'\u2A86','gtrarr':'\u2978','gtrdot':'\u22D7','gtreqless':'\u22DB','gtreqqless':'\u2A8C','gtrless':'\u2277','gtrsim':'\u2273','gvertneqq':'\u2269\uFE00','gvnE':'\u2269\uFE00','Hacek':'\u02C7','hairsp':'\u200A','half':'\xBD','hamilt':'\u210B','hardcy':'\u044A','HARDcy':'\u042A','harr':'\u2194','hArr':'\u21D4','harrcir':'\u2948','harrw':'\u21AD','Hat':'^','hbar':'\u210F','hcirc':'\u0125','Hcirc':'\u0124','hearts':'\u2665','heartsuit':'\u2665','hellip':'\u2026','hercon':'\u22B9','hfr':'\uD835\uDD25','Hfr':'\u210C','HilbertSpace':'\u210B','hksearow':'\u2925','hkswarow':'\u2926','hoarr':'\u21FF','homtht':'\u223B','hookleftarrow':'\u21A9','hookrightarrow':'\u21AA','hopf':'\uD835\uDD59','Hopf':'\u210D','horbar':'\u2015','HorizontalLine':'\u2500','hscr':'\uD835\uDCBD','Hscr':'\u210B','hslash':'\u210F','hstrok':'\u0127','Hstrok':'\u0126','HumpDownHump':'\u224E','HumpEqual':'\u224F','hybull':'\u2043','hyphen':'\u2010','iacute':'\xED','Iacute':'\xCD','ic':'\u2063','icirc':'\xEE','Icirc':'\xCE','icy':'\u0438','Icy':'\u0418','Idot':'\u0130','iecy':'\u0435','IEcy':'\u0415','iexcl':'\xA1','iff':'\u21D4','ifr':'\uD835\uDD26','Ifr':'\u2111','igrave':'\xEC','Igrave':'\xCC','ii':'\u2148','iiiint':'\u2A0C','iiint':'\u222D','iinfin':'\u29DC','iiota':'\u2129','ijlig':'\u0133','IJlig':'\u0132','Im':'\u2111','imacr':'\u012B','Imacr':'\u012A','image':'\u2111','ImaginaryI':'\u2148','imagline':'\u2110','imagpart':'\u2111','imath':'\u0131','imof':'\u22B7','imped':'\u01B5','Implies':'\u21D2','in':'\u2208','incare':'\u2105','infin':'\u221E','infintie':'\u29DD','inodot':'\u0131','int':'\u222B','Int':'\u222C','intcal':'\u22BA','integers':'\u2124','Integral':'\u222B','intercal':'\u22BA','Intersection':'\u22C2','intlarhk':'\u2A17','intprod':'\u2A3C','InvisibleComma':'\u2063','InvisibleTimes':'\u2062','iocy':'\u0451','IOcy':'\u0401','iogon':'\u012F','Iogon':'\u012E','iopf':'\uD835\uDD5A','Iopf':'\uD835\uDD40','iota':'\u03B9','Iota':'\u0399','iprod':'\u2A3C','iquest':'\xBF','iscr':'\uD835\uDCBE','Iscr':'\u2110','isin':'\u2208','isindot':'\u22F5','isinE':'\u22F9','isins':'\u22F4','isinsv':'\u22F3','isinv':'\u2208','it':'\u2062','itilde':'\u0129','Itilde':'\u0128','iukcy':'\u0456','Iukcy':'\u0406','iuml':'\xEF','Iuml':'\xCF','jcirc':'\u0135','Jcirc':'\u0134','jcy':'\u0439','Jcy':'\u0419','jfr':'\uD835\uDD27','Jfr':'\uD835\uDD0D','jmath':'\u0237','jopf':'\uD835\uDD5B','Jopf':'\uD835\uDD41','jscr':'\uD835\uDCBF','Jscr':'\uD835\uDCA5','jsercy':'\u0458','Jsercy':'\u0408','jukcy':'\u0454','Jukcy':'\u0404','kappa':'\u03BA','Kappa':'\u039A','kappav':'\u03F0','kcedil':'\u0137','Kcedil':'\u0136','kcy':'\u043A','Kcy':'\u041A','kfr':'\uD835\uDD28','Kfr':'\uD835\uDD0E','kgreen':'\u0138','khcy':'\u0445','KHcy':'\u0425','kjcy':'\u045C','KJcy':'\u040C','kopf':'\uD835\uDD5C','Kopf':'\uD835\uDD42','kscr':'\uD835\uDCC0','Kscr':'\uD835\uDCA6','lAarr':'\u21DA','lacute':'\u013A','Lacute':'\u0139','laemptyv':'\u29B4','lagran':'\u2112','lambda':'\u03BB','Lambda':'\u039B','lang':'\u27E8','Lang':'\u27EA','langd':'\u2991','langle':'\u27E8','lap':'\u2A85','Laplacetrf':'\u2112','laquo':'\xAB','larr':'\u2190','lArr':'\u21D0','Larr':'\u219E','larrb':'\u21E4','larrbfs':'\u291F','larrfs':'\u291D','larrhk':'\u21A9','larrlp':'\u21AB','larrpl':'\u2939','larrsim':'\u2973','larrtl':'\u21A2','lat':'\u2AAB','latail':'\u2919','lAtail':'\u291B','late':'\u2AAD','lates':'\u2AAD\uFE00','lbarr':'\u290C','lBarr':'\u290E','lbbrk':'\u2772','lbrace':'{','lbrack':'[','lbrke':'\u298B','lbrksld':'\u298F','lbrkslu':'\u298D','lcaron':'\u013E','Lcaron':'\u013D','lcedil':'\u013C','Lcedil':'\u013B','lceil':'\u2308','lcub':'{','lcy':'\u043B','Lcy':'\u041B','ldca':'\u2936','ldquo':'\u201C','ldquor':'\u201E','ldrdhar':'\u2967','ldrushar':'\u294B','ldsh':'\u21B2','le':'\u2264','lE':'\u2266','LeftAngleBracket':'\u27E8','leftarrow':'\u2190','Leftarrow':'\u21D0','LeftArrow':'\u2190','LeftArrowBar':'\u21E4','LeftArrowRightArrow':'\u21C6','leftarrowtail':'\u21A2','LeftCeiling':'\u2308','LeftDoubleBracket':'\u27E6','LeftDownTeeVector':'\u2961','LeftDownVector':'\u21C3','LeftDownVectorBar':'\u2959','LeftFloor':'\u230A','leftharpoondown':'\u21BD','leftharpoonup':'\u21BC','leftleftarrows':'\u21C7','leftrightarrow':'\u2194','Leftrightarrow':'\u21D4','LeftRightArrow':'\u2194','leftrightarrows':'\u21C6','leftrightharpoons':'\u21CB','leftrightsquigarrow':'\u21AD','LeftRightVector':'\u294E','LeftTee':'\u22A3','LeftTeeArrow':'\u21A4','LeftTeeVector':'\u295A','leftthreetimes':'\u22CB','LeftTriangle':'\u22B2','LeftTriangleBar':'\u29CF','LeftTriangleEqual':'\u22B4','LeftUpDownVector':'\u2951','LeftUpTeeVector':'\u2960','LeftUpVector':'\u21BF','LeftUpVectorBar':'\u2958','LeftVector':'\u21BC','LeftVectorBar':'\u2952','leg':'\u22DA','lEg':'\u2A8B','leq':'\u2264','leqq':'\u2266','leqslant':'\u2A7D','les':'\u2A7D','lescc':'\u2AA8','lesdot':'\u2A7F','lesdoto':'\u2A81','lesdotor':'\u2A83','lesg':'\u22DA\uFE00','lesges':'\u2A93','lessapprox':'\u2A85','lessdot':'\u22D6','lesseqgtr':'\u22DA','lesseqqgtr':'\u2A8B','LessEqualGreater':'\u22DA','LessFullEqual':'\u2266','LessGreater':'\u2276','lessgtr':'\u2276','LessLess':'\u2AA1','lesssim':'\u2272','LessSlantEqual':'\u2A7D','LessTilde':'\u2272','lfisht':'\u297C','lfloor':'\u230A','lfr':'\uD835\uDD29','Lfr':'\uD835\uDD0F','lg':'\u2276','lgE':'\u2A91','lHar':'\u2962','lhard':'\u21BD','lharu':'\u21BC','lharul':'\u296A','lhblk':'\u2584','ljcy':'\u0459','LJcy':'\u0409','ll':'\u226A','Ll':'\u22D8','llarr':'\u21C7','llcorner':'\u231E','Lleftarrow':'\u21DA','llhard':'\u296B','lltri':'\u25FA','lmidot':'\u0140','Lmidot':'\u013F','lmoust':'\u23B0','lmoustache':'\u23B0','lnap':'\u2A89','lnapprox':'\u2A89','lne':'\u2A87','lnE':'\u2268','lneq':'\u2A87','lneqq':'\u2268','lnsim':'\u22E6','loang':'\u27EC','loarr':'\u21FD','lobrk':'\u27E6','longleftarrow':'\u27F5','Longleftarrow':'\u27F8','LongLeftArrow':'\u27F5','longleftrightarrow':'\u27F7','Longleftrightarrow':'\u27FA','LongLeftRightArrow':'\u27F7','longmapsto':'\u27FC','longrightarrow':'\u27F6','Longrightarrow':'\u27F9','LongRightArrow':'\u27F6','looparrowleft':'\u21AB','looparrowright':'\u21AC','lopar':'\u2985','lopf':'\uD835\uDD5D','Lopf':'\uD835\uDD43','loplus':'\u2A2D','lotimes':'\u2A34','lowast':'\u2217','lowbar':'_','LowerLeftArrow':'\u2199','LowerRightArrow':'\u2198','loz':'\u25CA','lozenge':'\u25CA','lozf':'\u29EB','lpar':'(','lparlt':'\u2993','lrarr':'\u21C6','lrcorner':'\u231F','lrhar':'\u21CB','lrhard':'\u296D','lrm':'\u200E','lrtri':'\u22BF','lsaquo':'\u2039','lscr':'\uD835\uDCC1','Lscr':'\u2112','lsh':'\u21B0','Lsh':'\u21B0','lsim':'\u2272','lsime':'\u2A8D','lsimg':'\u2A8F','lsqb':'[','lsquo':'\u2018','lsquor':'\u201A','lstrok':'\u0142','Lstrok':'\u0141','lt':'<','Lt':'\u226A','LT':'<','ltcc':'\u2AA6','ltcir':'\u2A79','ltdot':'\u22D6','lthree':'\u22CB','ltimes':'\u22C9','ltlarr':'\u2976','ltquest':'\u2A7B','ltri':'\u25C3','ltrie':'\u22B4','ltrif':'\u25C2','ltrPar':'\u2996','lurdshar':'\u294A','luruhar':'\u2966','lvertneqq':'\u2268\uFE00','lvnE':'\u2268\uFE00','macr':'\xAF','male':'\u2642','malt':'\u2720','maltese':'\u2720','map':'\u21A6','Map':'\u2905','mapsto':'\u21A6','mapstodown':'\u21A7','mapstoleft':'\u21A4','mapstoup':'\u21A5','marker':'\u25AE','mcomma':'\u2A29','mcy':'\u043C','Mcy':'\u041C','mdash':'\u2014','mDDot':'\u223A','measuredangle':'\u2221','MediumSpace':'\u205F','Mellintrf':'\u2133','mfr':'\uD835\uDD2A','Mfr':'\uD835\uDD10','mho':'\u2127','micro':'\xB5','mid':'\u2223','midast':'*','midcir':'\u2AF0','middot':'\xB7','minus':'\u2212','minusb':'\u229F','minusd':'\u2238','minusdu':'\u2A2A','MinusPlus':'\u2213','mlcp':'\u2ADB','mldr':'\u2026','mnplus':'\u2213','models':'\u22A7','mopf':'\uD835\uDD5E','Mopf':'\uD835\uDD44','mp':'\u2213','mscr':'\uD835\uDCC2','Mscr':'\u2133','mstpos':'\u223E','mu':'\u03BC','Mu':'\u039C','multimap':'\u22B8','mumap':'\u22B8','nabla':'\u2207','nacute':'\u0144','Nacute':'\u0143','nang':'\u2220\u20D2','nap':'\u2249','napE':'\u2A70\u0338','napid':'\u224B\u0338','napos':'\u0149','napprox':'\u2249','natur':'\u266E','natural':'\u266E','naturals':'\u2115','nbsp':'\xA0','nbump':'\u224E\u0338','nbumpe':'\u224F\u0338','ncap':'\u2A43','ncaron':'\u0148','Ncaron':'\u0147','ncedil':'\u0146','Ncedil':'\u0145','ncong':'\u2247','ncongdot':'\u2A6D\u0338','ncup':'\u2A42','ncy':'\u043D','Ncy':'\u041D','ndash':'\u2013','ne':'\u2260','nearhk':'\u2924','nearr':'\u2197','neArr':'\u21D7','nearrow':'\u2197','nedot':'\u2250\u0338','NegativeMediumSpace':'\u200B','NegativeThickSpace':'\u200B','NegativeThinSpace':'\u200B','NegativeVeryThinSpace':'\u200B','nequiv':'\u2262','nesear':'\u2928','nesim':'\u2242\u0338','NestedGreaterGreater':'\u226B','NestedLessLess':'\u226A','NewLine':'\n','nexist':'\u2204','nexists':'\u2204','nfr':'\uD835\uDD2B','Nfr':'\uD835\uDD11','nge':'\u2271','ngE':'\u2267\u0338','ngeq':'\u2271','ngeqq':'\u2267\u0338','ngeqslant':'\u2A7E\u0338','nges':'\u2A7E\u0338','nGg':'\u22D9\u0338','ngsim':'\u2275','ngt':'\u226F','nGt':'\u226B\u20D2','ngtr':'\u226F','nGtv':'\u226B\u0338','nharr':'\u21AE','nhArr':'\u21CE','nhpar':'\u2AF2','ni':'\u220B','nis':'\u22FC','nisd':'\u22FA','niv':'\u220B','njcy':'\u045A','NJcy':'\u040A','nlarr':'\u219A','nlArr':'\u21CD','nldr':'\u2025','nle':'\u2270','nlE':'\u2266\u0338','nleftarrow':'\u219A','nLeftarrow':'\u21CD','nleftrightarrow':'\u21AE','nLeftrightarrow':'\u21CE','nleq':'\u2270','nleqq':'\u2266\u0338','nleqslant':'\u2A7D\u0338','nles':'\u2A7D\u0338','nless':'\u226E','nLl':'\u22D8\u0338','nlsim':'\u2274','nlt':'\u226E','nLt':'\u226A\u20D2','nltri':'\u22EA','nltrie':'\u22EC','nLtv':'\u226A\u0338','nmid':'\u2224','NoBreak':'\u2060','NonBreakingSpace':'\xA0','nopf':'\uD835\uDD5F','Nopf':'\u2115','not':'\xAC','Not':'\u2AEC','NotCongruent':'\u2262','NotCupCap':'\u226D','NotDoubleVerticalBar':'\u2226','NotElement':'\u2209','NotEqual':'\u2260','NotEqualTilde':'\u2242\u0338','NotExists':'\u2204','NotGreater':'\u226F','NotGreaterEqual':'\u2271','NotGreaterFullEqual':'\u2267\u0338','NotGreaterGreater':'\u226B\u0338','NotGreaterLess':'\u2279','NotGreaterSlantEqual':'\u2A7E\u0338','NotGreaterTilde':'\u2275','NotHumpDownHump':'\u224E\u0338','NotHumpEqual':'\u224F\u0338','notin':'\u2209','notindot':'\u22F5\u0338','notinE':'\u22F9\u0338','notinva':'\u2209','notinvb':'\u22F7','notinvc':'\u22F6','NotLeftTriangle':'\u22EA','NotLeftTriangleBar':'\u29CF\u0338','NotLeftTriangleEqual':'\u22EC','NotLess':'\u226E','NotLessEqual':'\u2270','NotLessGreater':'\u2278','NotLessLess':'\u226A\u0338','NotLessSlantEqual':'\u2A7D\u0338','NotLessTilde':'\u2274','NotNestedGreaterGreater':'\u2AA2\u0338','NotNestedLessLess':'\u2AA1\u0338','notni':'\u220C','notniva':'\u220C','notnivb':'\u22FE','notnivc':'\u22FD','NotPrecedes':'\u2280','NotPrecedesEqual':'\u2AAF\u0338','NotPrecedesSlantEqual':'\u22E0','NotReverseElement':'\u220C','NotRightTriangle':'\u22EB','NotRightTriangleBar':'\u29D0\u0338','NotRightTriangleEqual':'\u22ED','NotSquareSubset':'\u228F\u0338','NotSquareSubsetEqual':'\u22E2','NotSquareSuperset':'\u2290\u0338','NotSquareSupersetEqual':'\u22E3','NotSubset':'\u2282\u20D2','NotSubsetEqual':'\u2288','NotSucceeds':'\u2281','NotSucceedsEqual':'\u2AB0\u0338','NotSucceedsSlantEqual':'\u22E1','NotSucceedsTilde':'\u227F\u0338','NotSuperset':'\u2283\u20D2','NotSupersetEqual':'\u2289','NotTilde':'\u2241','NotTildeEqual':'\u2244','NotTildeFullEqual':'\u2247','NotTildeTilde':'\u2249','NotVerticalBar':'\u2224','npar':'\u2226','nparallel':'\u2226','nparsl':'\u2AFD\u20E5','npart':'\u2202\u0338','npolint':'\u2A14','npr':'\u2280','nprcue':'\u22E0','npre':'\u2AAF\u0338','nprec':'\u2280','npreceq':'\u2AAF\u0338','nrarr':'\u219B','nrArr':'\u21CF','nrarrc':'\u2933\u0338','nrarrw':'\u219D\u0338','nrightarrow':'\u219B','nRightarrow':'\u21CF','nrtri':'\u22EB','nrtrie':'\u22ED','nsc':'\u2281','nsccue':'\u22E1','nsce':'\u2AB0\u0338','nscr':'\uD835\uDCC3','Nscr':'\uD835\uDCA9','nshortmid':'\u2224','nshortparallel':'\u2226','nsim':'\u2241','nsime':'\u2244','nsimeq':'\u2244','nsmid':'\u2224','nspar':'\u2226','nsqsube':'\u22E2','nsqsupe':'\u22E3','nsub':'\u2284','nsube':'\u2288','nsubE':'\u2AC5\u0338','nsubset':'\u2282\u20D2','nsubseteq':'\u2288','nsubseteqq':'\u2AC5\u0338','nsucc':'\u2281','nsucceq':'\u2AB0\u0338','nsup':'\u2285','nsupe':'\u2289','nsupE':'\u2AC6\u0338','nsupset':'\u2283\u20D2','nsupseteq':'\u2289','nsupseteqq':'\u2AC6\u0338','ntgl':'\u2279','ntilde':'\xF1','Ntilde':'\xD1','ntlg':'\u2278','ntriangleleft':'\u22EA','ntrianglelefteq':'\u22EC','ntriangleright':'\u22EB','ntrianglerighteq':'\u22ED','nu':'\u03BD','Nu':'\u039D','num':'#','numero':'\u2116','numsp':'\u2007','nvap':'\u224D\u20D2','nvdash':'\u22AC','nvDash':'\u22AD','nVdash':'\u22AE','nVDash':'\u22AF','nvge':'\u2265\u20D2','nvgt':'>\u20D2','nvHarr':'\u2904','nvinfin':'\u29DE','nvlArr':'\u2902','nvle':'\u2264\u20D2','nvlt':'<\u20D2','nvltrie':'\u22B4\u20D2','nvrArr':'\u2903','nvrtrie':'\u22B5\u20D2','nvsim':'\u223C\u20D2','nwarhk':'\u2923','nwarr':'\u2196','nwArr':'\u21D6','nwarrow':'\u2196','nwnear':'\u2927','oacute':'\xF3','Oacute':'\xD3','oast':'\u229B','ocir':'\u229A','ocirc':'\xF4','Ocirc':'\xD4','ocy':'\u043E','Ocy':'\u041E','odash':'\u229D','odblac':'\u0151','Odblac':'\u0150','odiv':'\u2A38','odot':'\u2299','odsold':'\u29BC','oelig':'\u0153','OElig':'\u0152','ofcir':'\u29BF','ofr':'\uD835\uDD2C','Ofr':'\uD835\uDD12','ogon':'\u02DB','ograve':'\xF2','Ograve':'\xD2','ogt':'\u29C1','ohbar':'\u29B5','ohm':'\u03A9','oint':'\u222E','olarr':'\u21BA','olcir':'\u29BE','olcross':'\u29BB','oline':'\u203E','olt':'\u29C0','omacr':'\u014D','Omacr':'\u014C','omega':'\u03C9','Omega':'\u03A9','omicron':'\u03BF','Omicron':'\u039F','omid':'\u29B6','ominus':'\u2296','oopf':'\uD835\uDD60','Oopf':'\uD835\uDD46','opar':'\u29B7','OpenCurlyDoubleQuote':'\u201C','OpenCurlyQuote':'\u2018','operp':'\u29B9','oplus':'\u2295','or':'\u2228','Or':'\u2A54','orarr':'\u21BB','ord':'\u2A5D','order':'\u2134','orderof':'\u2134','ordf':'\xAA','ordm':'\xBA','origof':'\u22B6','oror':'\u2A56','orslope':'\u2A57','orv':'\u2A5B','oS':'\u24C8','oscr':'\u2134','Oscr':'\uD835\uDCAA','oslash':'\xF8','Oslash':'\xD8','osol':'\u2298','otilde':'\xF5','Otilde':'\xD5','otimes':'\u2297','Otimes':'\u2A37','otimesas':'\u2A36','ouml':'\xF6','Ouml':'\xD6','ovbar':'\u233D','OverBar':'\u203E','OverBrace':'\u23DE','OverBracket':'\u23B4','OverParenthesis':'\u23DC','par':'\u2225','para':'\xB6','parallel':'\u2225','parsim':'\u2AF3','parsl':'\u2AFD','part':'\u2202','PartialD':'\u2202','pcy':'\u043F','Pcy':'\u041F','percnt':'%','period':'.','permil':'\u2030','perp':'\u22A5','pertenk':'\u2031','pfr':'\uD835\uDD2D','Pfr':'\uD835\uDD13','phi':'\u03C6','Phi':'\u03A6','phiv':'\u03D5','phmmat':'\u2133','phone':'\u260E','pi':'\u03C0','Pi':'\u03A0','pitchfork':'\u22D4','piv':'\u03D6','planck':'\u210F','planckh':'\u210E','plankv':'\u210F','plus':'+','plusacir':'\u2A23','plusb':'\u229E','pluscir':'\u2A22','plusdo':'\u2214','plusdu':'\u2A25','pluse':'\u2A72','PlusMinus':'\xB1','plusmn':'\xB1','plussim':'\u2A26','plustwo':'\u2A27','pm':'\xB1','Poincareplane':'\u210C','pointint':'\u2A15','popf':'\uD835\uDD61','Popf':'\u2119','pound':'\xA3','pr':'\u227A','Pr':'\u2ABB','prap':'\u2AB7','prcue':'\u227C','pre':'\u2AAF','prE':'\u2AB3','prec':'\u227A','precapprox':'\u2AB7','preccurlyeq':'\u227C','Precedes':'\u227A','PrecedesEqual':'\u2AAF','PrecedesSlantEqual':'\u227C','PrecedesTilde':'\u227E','preceq':'\u2AAF','precnapprox':'\u2AB9','precneqq':'\u2AB5','precnsim':'\u22E8','precsim':'\u227E','prime':'\u2032','Prime':'\u2033','primes':'\u2119','prnap':'\u2AB9','prnE':'\u2AB5','prnsim':'\u22E8','prod':'\u220F','Product':'\u220F','profalar':'\u232E','profline':'\u2312','profsurf':'\u2313','prop':'\u221D','Proportion':'\u2237','Proportional':'\u221D','propto':'\u221D','prsim':'\u227E','prurel':'\u22B0','pscr':'\uD835\uDCC5','Pscr':'\uD835\uDCAB','psi':'\u03C8','Psi':'\u03A8','puncsp':'\u2008','qfr':'\uD835\uDD2E','Qfr':'\uD835\uDD14','qint':'\u2A0C','qopf':'\uD835\uDD62','Qopf':'\u211A','qprime':'\u2057','qscr':'\uD835\uDCC6','Qscr':'\uD835\uDCAC','quaternions':'\u210D','quatint':'\u2A16','quest':'?','questeq':'\u225F','quot':'"','QUOT':'"','rAarr':'\u21DB','race':'\u223D\u0331','racute':'\u0155','Racute':'\u0154','radic':'\u221A','raemptyv':'\u29B3','rang':'\u27E9','Rang':'\u27EB','rangd':'\u2992','range':'\u29A5','rangle':'\u27E9','raquo':'\xBB','rarr':'\u2192','rArr':'\u21D2','Rarr':'\u21A0','rarrap':'\u2975','rarrb':'\u21E5','rarrbfs':'\u2920','rarrc':'\u2933','rarrfs':'\u291E','rarrhk':'\u21AA','rarrlp':'\u21AC','rarrpl':'\u2945','rarrsim':'\u2974','rarrtl':'\u21A3','Rarrtl':'\u2916','rarrw':'\u219D','ratail':'\u291A','rAtail':'\u291C','ratio':'\u2236','rationals':'\u211A','rbarr':'\u290D','rBarr':'\u290F','RBarr':'\u2910','rbbrk':'\u2773','rbrace':'}','rbrack':']','rbrke':'\u298C','rbrksld':'\u298E','rbrkslu':'\u2990','rcaron':'\u0159','Rcaron':'\u0158','rcedil':'\u0157','Rcedil':'\u0156','rceil':'\u2309','rcub':'}','rcy':'\u0440','Rcy':'\u0420','rdca':'\u2937','rdldhar':'\u2969','rdquo':'\u201D','rdquor':'\u201D','rdsh':'\u21B3','Re':'\u211C','real':'\u211C','realine':'\u211B','realpart':'\u211C','reals':'\u211D','rect':'\u25AD','reg':'\xAE','REG':'\xAE','ReverseElement':'\u220B','ReverseEquilibrium':'\u21CB','ReverseUpEquilibrium':'\u296F','rfisht':'\u297D','rfloor':'\u230B','rfr':'\uD835\uDD2F','Rfr':'\u211C','rHar':'\u2964','rhard':'\u21C1','rharu':'\u21C0','rharul':'\u296C','rho':'\u03C1','Rho':'\u03A1','rhov':'\u03F1','RightAngleBracket':'\u27E9','rightarrow':'\u2192','Rightarrow':'\u21D2','RightArrow':'\u2192','RightArrowBar':'\u21E5','RightArrowLeftArrow':'\u21C4','rightarrowtail':'\u21A3','RightCeiling':'\u2309','RightDoubleBracket':'\u27E7','RightDownTeeVector':'\u295D','RightDownVector':'\u21C2','RightDownVectorBar':'\u2955','RightFloor':'\u230B','rightharpoondown':'\u21C1','rightharpoonup':'\u21C0','rightleftarrows':'\u21C4','rightleftharpoons':'\u21CC','rightrightarrows':'\u21C9','rightsquigarrow':'\u219D','RightTee':'\u22A2','RightTeeArrow':'\u21A6','RightTeeVector':'\u295B','rightthreetimes':'\u22CC','RightTriangle':'\u22B3','RightTriangleBar':'\u29D0','RightTriangleEqual':'\u22B5','RightUpDownVector':'\u294F','RightUpTeeVector':'\u295C','RightUpVector':'\u21BE','RightUpVectorBar':'\u2954','RightVector':'\u21C0','RightVectorBar':'\u2953','ring':'\u02DA','risingdotseq':'\u2253','rlarr':'\u21C4','rlhar':'\u21CC','rlm':'\u200F','rmoust':'\u23B1','rmoustache':'\u23B1','rnmid':'\u2AEE','roang':'\u27ED','roarr':'\u21FE','robrk':'\u27E7','ropar':'\u2986','ropf':'\uD835\uDD63','Ropf':'\u211D','roplus':'\u2A2E','rotimes':'\u2A35','RoundImplies':'\u2970','rpar':')','rpargt':'\u2994','rppolint':'\u2A12','rrarr':'\u21C9','Rrightarrow':'\u21DB','rsaquo':'\u203A','rscr':'\uD835\uDCC7','Rscr':'\u211B','rsh':'\u21B1','Rsh':'\u21B1','rsqb':']','rsquo':'\u2019','rsquor':'\u2019','rthree':'\u22CC','rtimes':'\u22CA','rtri':'\u25B9','rtrie':'\u22B5','rtrif':'\u25B8','rtriltri':'\u29CE','RuleDelayed':'\u29F4','ruluhar':'\u2968','rx':'\u211E','sacute':'\u015B','Sacute':'\u015A','sbquo':'\u201A','sc':'\u227B','Sc':'\u2ABC','scap':'\u2AB8','scaron':'\u0161','Scaron':'\u0160','sccue':'\u227D','sce':'\u2AB0','scE':'\u2AB4','scedil':'\u015F','Scedil':'\u015E','scirc':'\u015D','Scirc':'\u015C','scnap':'\u2ABA','scnE':'\u2AB6','scnsim':'\u22E9','scpolint':'\u2A13','scsim':'\u227F','scy':'\u0441','Scy':'\u0421','sdot':'\u22C5','sdotb':'\u22A1','sdote':'\u2A66','searhk':'\u2925','searr':'\u2198','seArr':'\u21D8','searrow':'\u2198','sect':'\xA7','semi':';','seswar':'\u2929','setminus':'\u2216','setmn':'\u2216','sext':'\u2736','sfr':'\uD835\uDD30','Sfr':'\uD835\uDD16','sfrown':'\u2322','sharp':'\u266F','shchcy':'\u0449','SHCHcy':'\u0429','shcy':'\u0448','SHcy':'\u0428','ShortDownArrow':'\u2193','ShortLeftArrow':'\u2190','shortmid':'\u2223','shortparallel':'\u2225','ShortRightArrow':'\u2192','ShortUpArrow':'\u2191','shy':'\xAD','sigma':'\u03C3','Sigma':'\u03A3','sigmaf':'\u03C2','sigmav':'\u03C2','sim':'\u223C','simdot':'\u2A6A','sime':'\u2243','simeq':'\u2243','simg':'\u2A9E','simgE':'\u2AA0','siml':'\u2A9D','simlE':'\u2A9F','simne':'\u2246','simplus':'\u2A24','simrarr':'\u2972','slarr':'\u2190','SmallCircle':'\u2218','smallsetminus':'\u2216','smashp':'\u2A33','smeparsl':'\u29E4','smid':'\u2223','smile':'\u2323','smt':'\u2AAA','smte':'\u2AAC','smtes':'\u2AAC\uFE00','softcy':'\u044C','SOFTcy':'\u042C','sol':'/','solb':'\u29C4','solbar':'\u233F','sopf':'\uD835\uDD64','Sopf':'\uD835\uDD4A','spades':'\u2660','spadesuit':'\u2660','spar':'\u2225','sqcap':'\u2293','sqcaps':'\u2293\uFE00','sqcup':'\u2294','sqcups':'\u2294\uFE00','Sqrt':'\u221A','sqsub':'\u228F','sqsube':'\u2291','sqsubset':'\u228F','sqsubseteq':'\u2291','sqsup':'\u2290','sqsupe':'\u2292','sqsupset':'\u2290','sqsupseteq':'\u2292','squ':'\u25A1','square':'\u25A1','Square':'\u25A1','SquareIntersection':'\u2293','SquareSubset':'\u228F','SquareSubsetEqual':'\u2291','SquareSuperset':'\u2290','SquareSupersetEqual':'\u2292','SquareUnion':'\u2294','squarf':'\u25AA','squf':'\u25AA','srarr':'\u2192','sscr':'\uD835\uDCC8','Sscr':'\uD835\uDCAE','ssetmn':'\u2216','ssmile':'\u2323','sstarf':'\u22C6','star':'\u2606','Star':'\u22C6','starf':'\u2605','straightepsilon':'\u03F5','straightphi':'\u03D5','strns':'\xAF','sub':'\u2282','Sub':'\u22D0','subdot':'\u2ABD','sube':'\u2286','subE':'\u2AC5','subedot':'\u2AC3','submult':'\u2AC1','subne':'\u228A','subnE':'\u2ACB','subplus':'\u2ABF','subrarr':'\u2979','subset':'\u2282','Subset':'\u22D0','subseteq':'\u2286','subseteqq':'\u2AC5','SubsetEqual':'\u2286','subsetneq':'\u228A','subsetneqq':'\u2ACB','subsim':'\u2AC7','subsub':'\u2AD5','subsup':'\u2AD3','succ':'\u227B','succapprox':'\u2AB8','succcurlyeq':'\u227D','Succeeds':'\u227B','SucceedsEqual':'\u2AB0','SucceedsSlantEqual':'\u227D','SucceedsTilde':'\u227F','succeq':'\u2AB0','succnapprox':'\u2ABA','succneqq':'\u2AB6','succnsim':'\u22E9','succsim':'\u227F','SuchThat':'\u220B','sum':'\u2211','Sum':'\u2211','sung':'\u266A','sup':'\u2283','Sup':'\u22D1','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','supdot':'\u2ABE','supdsub':'\u2AD8','supe':'\u2287','supE':'\u2AC6','supedot':'\u2AC4','Superset':'\u2283','SupersetEqual':'\u2287','suphsol':'\u27C9','suphsub':'\u2AD7','suplarr':'\u297B','supmult':'\u2AC2','supne':'\u228B','supnE':'\u2ACC','supplus':'\u2AC0','supset':'\u2283','Supset':'\u22D1','supseteq':'\u2287','supseteqq':'\u2AC6','supsetneq':'\u228B','supsetneqq':'\u2ACC','supsim':'\u2AC8','supsub':'\u2AD4','supsup':'\u2AD6','swarhk':'\u2926','swarr':'\u2199','swArr':'\u21D9','swarrow':'\u2199','swnwar':'\u292A','szlig':'\xDF','Tab':'\t','target':'\u2316','tau':'\u03C4','Tau':'\u03A4','tbrk':'\u23B4','tcaron':'\u0165','Tcaron':'\u0164','tcedil':'\u0163','Tcedil':'\u0162','tcy':'\u0442','Tcy':'\u0422','tdot':'\u20DB','telrec':'\u2315','tfr':'\uD835\uDD31','Tfr':'\uD835\uDD17','there4':'\u2234','therefore':'\u2234','Therefore':'\u2234','theta':'\u03B8','Theta':'\u0398','thetasym':'\u03D1','thetav':'\u03D1','thickapprox':'\u2248','thicksim':'\u223C','ThickSpace':'\u205F\u200A','thinsp':'\u2009','ThinSpace':'\u2009','thkap':'\u2248','thksim':'\u223C','thorn':'\xFE','THORN':'\xDE','tilde':'\u02DC','Tilde':'\u223C','TildeEqual':'\u2243','TildeFullEqual':'\u2245','TildeTilde':'\u2248','times':'\xD7','timesb':'\u22A0','timesbar':'\u2A31','timesd':'\u2A30','tint':'\u222D','toea':'\u2928','top':'\u22A4','topbot':'\u2336','topcir':'\u2AF1','topf':'\uD835\uDD65','Topf':'\uD835\uDD4B','topfork':'\u2ADA','tosa':'\u2929','tprime':'\u2034','trade':'\u2122','TRADE':'\u2122','triangle':'\u25B5','triangledown':'\u25BF','triangleleft':'\u25C3','trianglelefteq':'\u22B4','triangleq':'\u225C','triangleright':'\u25B9','trianglerighteq':'\u22B5','tridot':'\u25EC','trie':'\u225C','triminus':'\u2A3A','TripleDot':'\u20DB','triplus':'\u2A39','trisb':'\u29CD','tritime':'\u2A3B','trpezium':'\u23E2','tscr':'\uD835\uDCC9','Tscr':'\uD835\uDCAF','tscy':'\u0446','TScy':'\u0426','tshcy':'\u045B','TSHcy':'\u040B','tstrok':'\u0167','Tstrok':'\u0166','twixt':'\u226C','twoheadleftarrow':'\u219E','twoheadrightarrow':'\u21A0','uacute':'\xFA','Uacute':'\xDA','uarr':'\u2191','uArr':'\u21D1','Uarr':'\u219F','Uarrocir':'\u2949','ubrcy':'\u045E','Ubrcy':'\u040E','ubreve':'\u016D','Ubreve':'\u016C','ucirc':'\xFB','Ucirc':'\xDB','ucy':'\u0443','Ucy':'\u0423','udarr':'\u21C5','udblac':'\u0171','Udblac':'\u0170','udhar':'\u296E','ufisht':'\u297E','ufr':'\uD835\uDD32','Ufr':'\uD835\uDD18','ugrave':'\xF9','Ugrave':'\xD9','uHar':'\u2963','uharl':'\u21BF','uharr':'\u21BE','uhblk':'\u2580','ulcorn':'\u231C','ulcorner':'\u231C','ulcrop':'\u230F','ultri':'\u25F8','umacr':'\u016B','Umacr':'\u016A','uml':'\xA8','UnderBar':'_','UnderBrace':'\u23DF','UnderBracket':'\u23B5','UnderParenthesis':'\u23DD','Union':'\u22C3','UnionPlus':'\u228E','uogon':'\u0173','Uogon':'\u0172','uopf':'\uD835\uDD66','Uopf':'\uD835\uDD4C','uparrow':'\u2191','Uparrow':'\u21D1','UpArrow':'\u2191','UpArrowBar':'\u2912','UpArrowDownArrow':'\u21C5','updownarrow':'\u2195','Updownarrow':'\u21D5','UpDownArrow':'\u2195','UpEquilibrium':'\u296E','upharpoonleft':'\u21BF','upharpoonright':'\u21BE','uplus':'\u228E','UpperLeftArrow':'\u2196','UpperRightArrow':'\u2197','upsi':'\u03C5','Upsi':'\u03D2','upsih':'\u03D2','upsilon':'\u03C5','Upsilon':'\u03A5','UpTee':'\u22A5','UpTeeArrow':'\u21A5','upuparrows':'\u21C8','urcorn':'\u231D','urcorner':'\u231D','urcrop':'\u230E','uring':'\u016F','Uring':'\u016E','urtri':'\u25F9','uscr':'\uD835\uDCCA','Uscr':'\uD835\uDCB0','utdot':'\u22F0','utilde':'\u0169','Utilde':'\u0168','utri':'\u25B5','utrif':'\u25B4','uuarr':'\u21C8','uuml':'\xFC','Uuml':'\xDC','uwangle':'\u29A7','vangrt':'\u299C','varepsilon':'\u03F5','varkappa':'\u03F0','varnothing':'\u2205','varphi':'\u03D5','varpi':'\u03D6','varpropto':'\u221D','varr':'\u2195','vArr':'\u21D5','varrho':'\u03F1','varsigma':'\u03C2','varsubsetneq':'\u228A\uFE00','varsubsetneqq':'\u2ACB\uFE00','varsupsetneq':'\u228B\uFE00','varsupsetneqq':'\u2ACC\uFE00','vartheta':'\u03D1','vartriangleleft':'\u22B2','vartriangleright':'\u22B3','vBar':'\u2AE8','Vbar':'\u2AEB','vBarv':'\u2AE9','vcy':'\u0432','Vcy':'\u0412','vdash':'\u22A2','vDash':'\u22A8','Vdash':'\u22A9','VDash':'\u22AB','Vdashl':'\u2AE6','vee':'\u2228','Vee':'\u22C1','veebar':'\u22BB','veeeq':'\u225A','vellip':'\u22EE','verbar':'|','Verbar':'\u2016','vert':'|','Vert':'\u2016','VerticalBar':'\u2223','VerticalLine':'|','VerticalSeparator':'\u2758','VerticalTilde':'\u2240','VeryThinSpace':'\u200A','vfr':'\uD835\uDD33','Vfr':'\uD835\uDD19','vltri':'\u22B2','vnsub':'\u2282\u20D2','vnsup':'\u2283\u20D2','vopf':'\uD835\uDD67','Vopf':'\uD835\uDD4D','vprop':'\u221D','vrtri':'\u22B3','vscr':'\uD835\uDCCB','Vscr':'\uD835\uDCB1','vsubne':'\u228A\uFE00','vsubnE':'\u2ACB\uFE00','vsupne':'\u228B\uFE00','vsupnE':'\u2ACC\uFE00','Vvdash':'\u22AA','vzigzag':'\u299A','wcirc':'\u0175','Wcirc':'\u0174','wedbar':'\u2A5F','wedge':'\u2227','Wedge':'\u22C0','wedgeq':'\u2259','weierp':'\u2118','wfr':'\uD835\uDD34','Wfr':'\uD835\uDD1A','wopf':'\uD835\uDD68','Wopf':'\uD835\uDD4E','wp':'\u2118','wr':'\u2240','wreath':'\u2240','wscr':'\uD835\uDCCC','Wscr':'\uD835\uDCB2','xcap':'\u22C2','xcirc':'\u25EF','xcup':'\u22C3','xdtri':'\u25BD','xfr':'\uD835\uDD35','Xfr':'\uD835\uDD1B','xharr':'\u27F7','xhArr':'\u27FA','xi':'\u03BE','Xi':'\u039E','xlarr':'\u27F5','xlArr':'\u27F8','xmap':'\u27FC','xnis':'\u22FB','xodot':'\u2A00','xopf':'\uD835\uDD69','Xopf':'\uD835\uDD4F','xoplus':'\u2A01','xotime':'\u2A02','xrarr':'\u27F6','xrArr':'\u27F9','xscr':'\uD835\uDCCD','Xscr':'\uD835\uDCB3','xsqcup':'\u2A06','xuplus':'\u2A04','xutri':'\u25B3','xvee':'\u22C1','xwedge':'\u22C0','yacute':'\xFD','Yacute':'\xDD','yacy':'\u044F','YAcy':'\u042F','ycirc':'\u0177','Ycirc':'\u0176','ycy':'\u044B','Ycy':'\u042B','yen':'\xA5','yfr':'\uD835\uDD36','Yfr':'\uD835\uDD1C','yicy':'\u0457','YIcy':'\u0407','yopf':'\uD835\uDD6A','Yopf':'\uD835\uDD50','yscr':'\uD835\uDCCE','Yscr':'\uD835\uDCB4','yucy':'\u044E','YUcy':'\u042E','yuml':'\xFF','Yuml':'\u0178','zacute':'\u017A','Zacute':'\u0179','zcaron':'\u017E','Zcaron':'\u017D','zcy':'\u0437','Zcy':'\u0417','zdot':'\u017C','Zdot':'\u017B','zeetrf':'\u2128','ZeroWidthSpace':'\u200B','zeta':'\u03B6','Zeta':'\u0396','zfr':'\uD835\uDD37','Zfr':'\u2128','zhcy':'\u0436','ZHcy':'\u0416','zigrarr':'\u21DD','zopf':'\uD835\uDD6B','Zopf':'\u2124','zscr':'\uD835\uDCCF','Zscr':'\uD835\uDCB5','zwj':'\u200D','zwnj':'\u200C'};
    	var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'};
    	var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'};
    	var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111];
  
    	/*--------------------------------------------------------------------------*/
  
    	var stringFromCharCode = String.fromCharCode;
  
    	var object = {};
    	var hasOwnProperty = object.hasOwnProperty;
    	var has = function(object, propertyName) {
    		return hasOwnProperty.call(object, propertyName);
    	};
  
    	var contains = function(array, value) {
    		var index = -1;
    		var length = array.length;
    		while (++index < length) {
    			if (array[index] == value) {
    				return true;
    			}
    		}
    		return false;
    	};
  
    	var merge = function(options, defaults) {
    		if (!options) {
    			return defaults;
    		}
    		var result = {};
    		var key;
    		for (key in defaults) {
    			// A `hasOwnProperty` check is not needed here, since only recognized
    			// option names are used anyway. Any others are ignored.
    			result[key] = has(options, key) ? options[key] : defaults[key];
    		}
    		return result;
    	};
  
    	// Modified version of `ucs2encode`; see https://mths.be/punycode.
    	var codePointToSymbol = function(codePoint, strict) {
    		var output = '';
    		if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) {
    			// See issue #4:
    			// “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
    			// greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
    			// REPLACEMENT CHARACTER.”
    			if (strict) {
    				parseError('character reference outside the permissible Unicode range');
    			}
    			return '\uFFFD';
    		}
    		if (has(decodeMapNumeric, codePoint)) {
    			if (strict) {
    				parseError('disallowed character reference');
    			}
    			return decodeMapNumeric[codePoint];
    		}
    		if (strict && contains(invalidReferenceCodePoints, codePoint)) {
    			parseError('disallowed character reference');
    		}
    		if (codePoint > 0xFFFF) {
    			codePoint -= 0x10000;
    			output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
    			codePoint = 0xDC00 | codePoint & 0x3FF;
    		}
    		output += stringFromCharCode(codePoint);
    		return output;
    	};
  
    	var hexEscape = function(codePoint) {
    		return '&#x' + codePoint.toString(16).toUpperCase() + ';';
    	};
  
    	var decEscape = function(codePoint) {
    		return '&#' + codePoint + ';';
    	};
  
    	var parseError = function(message) {
    		throw Error('Parse error: ' + message);
    	};
  
    	/*--------------------------------------------------------------------------*/
  
    	var encode = function(string, options) {
    		options = merge(options, encode.options);
    		var strict = options.strict;
    		if (strict && regexInvalidRawCodePoint.test(string)) {
    			parseError('forbidden code point');
    		}
    		var encodeEverything = options.encodeEverything;
    		var useNamedReferences = options.useNamedReferences;
    		var allowUnsafeSymbols = options.allowUnsafeSymbols;
    		var escapeCodePoint = options.decimal ? decEscape : hexEscape;
  
    		var escapeBmpSymbol = function(symbol) {
    			return escapeCodePoint(symbol.charCodeAt(0));
    		};
  
    		if (encodeEverything) {
    			// Encode ASCII symbols.
    			string = string.replace(regexAsciiWhitelist, function(symbol) {
    				// Use named references if requested & possible.
    				if (useNamedReferences && has(encodeMap, symbol)) {
    					return '&' + encodeMap[symbol] + ';';
    				}
    				return escapeBmpSymbol(symbol);
    			});
    			// Shorten a few escapes that represent two symbols, of which at least one
    			// is within the ASCII range.
    			if (useNamedReferences) {
    				string = string
    					.replace(/&gt;\u20D2/g, '&nvgt;')
    					.replace(/&lt;\u20D2/g, '&nvlt;')
    					.replace(/&#x66;&#x6A;/g, '&fjlig;');
    			}
    			// Encode non-ASCII symbols.
    			if (useNamedReferences) {
    				// Encode non-ASCII symbols that can be replaced with a named reference.
    				string = string.replace(regexEncodeNonAscii, function(string) {
    					// Note: there is no need to check `has(encodeMap, string)` here.
    					return '&' + encodeMap[string] + ';';
    				});
    			}
    			// Note: any remaining non-ASCII symbols are handled outside of the `if`.
    		} else if (useNamedReferences) {
    			// Apply named character references.
    			// Encode `<>"'&` using named character references.
    			if (!allowUnsafeSymbols) {
    				string = string.replace(regexEscape, function(string) {
    					return '&' + encodeMap[string] + ';'; // no need to check `has()` here
    				});
    			}
    			// Shorten escapes that represent two symbols, of which at least one is
    			// `<>"'&`.
    			string = string
    				.replace(/&gt;\u20D2/g, '&nvgt;')
    				.replace(/&lt;\u20D2/g, '&nvlt;');
    			// Encode non-ASCII symbols that can be replaced with a named reference.
    			string = string.replace(regexEncodeNonAscii, function(string) {
    				// Note: there is no need to check `has(encodeMap, string)` here.
    				return '&' + encodeMap[string] + ';';
    			});
    		} else if (!allowUnsafeSymbols) {
    			// Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
    			// using named character references.
    			string = string.replace(regexEscape, escapeBmpSymbol);
    		}
    		return string
    			// Encode astral symbols.
    			.replace(regexAstralSymbols, function($0) {
    				// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
    				var high = $0.charCodeAt(0);
    				var low = $0.charCodeAt(1);
    				var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
    				return escapeCodePoint(codePoint);
    			})
    			// Encode any remaining BMP symbols that are not printable ASCII symbols
    			// using a hexadecimal escape.
    			.replace(regexBmpWhitelist, escapeBmpSymbol);
    	};
    	// Expose default options (so they can be overridden globally).
    	encode.options = {
    		'allowUnsafeSymbols': false,
    		'encodeEverything': false,
    		'strict': false,
    		'useNamedReferences': false,
    		'decimal' : false
    	};
  
    	var decode = function(html, options) {
    		options = merge(options, decode.options);
    		var strict = options.strict;
    		if (strict && regexInvalidEntity.test(html)) {
    			parseError('malformed character reference');
    		}
    		return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) {
    			var codePoint;
    			var semicolon;
    			var decDigits;
    			var hexDigits;
    			var reference;
    			var next;
  
    			if ($1) {
    				reference = $1;
    				// Note: there is no need to check `has(decodeMap, reference)`.
    				return decodeMap[reference];
    			}
  
    			if ($2) {
    				// Decode named character references without trailing `;`, e.g. `&amp`.
    				// This is only a parse error if it gets converted to `&`, or if it is
    				// followed by `=` in an attribute context.
    				reference = $2;
    				next = $3;
    				if (next && options.isAttributeValue) {
    					if (strict && next == '=') {
    						parseError('`&` did not start a character reference');
    					}
    					return $0;
    				} else {
    					if (strict) {
    						parseError(
    							'named character reference was not terminated by a semicolon'
    						);
    					}
    					// Note: there is no need to check `has(decodeMapLegacy, reference)`.
    					return decodeMapLegacy[reference] + (next || '');
    				}
    			}
  
    			if ($4) {
    				// Decode decimal escapes, e.g. `&#119558;`.
    				decDigits = $4;
    				semicolon = $5;
    				if (strict && !semicolon) {
    					parseError('character reference was not terminated by a semicolon');
    				}
    				codePoint = parseInt(decDigits, 10);
    				return codePointToSymbol(codePoint, strict);
    			}
  
    			if ($6) {
    				// Decode hexadecimal escapes, e.g. `&#x1D306;`.
    				hexDigits = $6;
    				semicolon = $7;
    				if (strict && !semicolon) {
    					parseError('character reference was not terminated by a semicolon');
    				}
    				codePoint = parseInt(hexDigits, 16);
    				return codePointToSymbol(codePoint, strict);
    			}
  
    			// If we’re still here, `if ($7)` is implied; it’s an ambiguous
    			// ampersand for sure. https://mths.be/notes/ambiguous-ampersands
    			if (strict) {
    				parseError(
    					'named character reference was not terminated by a semicolon'
    				);
    			}
    			return $0;
    		});
    	};
    	// Expose default options (so they can be overridden globally).
    	decode.options = {
    		'isAttributeValue': false,
    		'strict': false
    	};
  
    	var escape = function(string) {
    		return string.replace(regexEscape, function($0) {
    			// Note: there is no need to check `has(escapeMap, $0)` here.
    			return escapeMap[$0];
    		});
    	};
  
    	/*--------------------------------------------------------------------------*/
  
    	var he = {
    		'version': '1.2.0',
    		'encode': encode,
    		'decode': decode,
    		'escape': escape,
    		'unescape': decode
    	};
  
    	// Some AMD build optimizers, like r.js, check for specific condition patterns
    	// like the following:
    	if (freeExports && !freeExports.nodeType) {
    		if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+
    			freeModule.exports = he;
    		} else { // in Narwhal or RingoJS v0.7.0-
    			for (var key in he) {
    				has(he, key) && (freeExports[key] = he[key]);
    			}
    		}
    	} else { // in Rhino or a web browser
    		root.he = he;
    	}
  
    }(commonjsGlobal));
    });
  
    /**
     * Not type-checking this file because it's mostly vendor code.
     */
  
    // Regular Expressions for parsing tags and attributes
    var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
    var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
    var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
    var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
    var startTagOpen = new RegExp(("^<" + qnameCapture));
    var startTagClose = /^\s*(\/?)>/;
    var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
    var doctype = /^<!DOCTYPE [^>]+>/i;
    // #7298: escape - to avoid being passed as HTML comment when inlined in page
    var comment = /^<!\--/;
    var conditionalComment = /^<!\[/;
  
    // Special Elements (can contain anything)
    var isPlainTextElement = makeMap('script,style,textarea', true);
    var reCache = {};
  
    var decodingMap = {
      '&lt;': '<',
      '&gt;': '>',
      '&quot;': '"',
      '&amp;': '&',
      '&#10;': '\n',
      '&#9;': '\t',
      '&#39;': "'"
    };
    var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
    var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
  
    // #5992
    var isIgnoreNewlineTag = makeMap('pre,textarea', true);
    var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
  
    function decodeAttr (value, shouldDecodeNewlines) {
      var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
      return value.replace(re, function (match) { return decodingMap[match]; })
    }
  
    function parseHTML (html, options) {
      var stack = [];
      var expectHTML = options.expectHTML;
      var isUnaryTag = options.isUnaryTag || no;
      var canBeLeftOpenTag = options.canBeLeftOpenTag || no;
      var index = 0;
      var last, lastTag;
      while (html) {
        last = html;
        // Make sure we're not in a plaintext content element like script/style
        if (!lastTag || !isPlainTextElement(lastTag)) {
          var textEnd = html.indexOf('<');
          if (textEnd === 0) {
            // Comment:
            if (comment.test(html)) {
              var commentEnd = html.indexOf('-->');
  
              if (commentEnd >= 0) {
                if (options.shouldKeepComment) {
                  options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
                }
                advance(commentEnd + 3);
                continue
              }
            }
  
            // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
            if (conditionalComment.test(html)) {
              var conditionalEnd = html.indexOf(']>');
  
              if (conditionalEnd >= 0) {
                advance(conditionalEnd + 2);
                continue
              }
            }
  
            // Doctype:
            var doctypeMatch = html.match(doctype);
            if (doctypeMatch) {
              advance(doctypeMatch[0].length);
              continue
            }
  
            // End tag:
            var endTagMatch = html.match(endTag);
            if (endTagMatch) {
              var curIndex = index;
              advance(endTagMatch[0].length);
              parseEndTag(endTagMatch[1], curIndex, index);
              continue
            }
  
            // Start tag:
            var startTagMatch = parseStartTag();
            if (startTagMatch) {
              handleStartTag(startTagMatch);
              if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
                advance(1);
              }
              continue
            }
          }
  
          var text = (void 0), rest = (void 0), next = (void 0);
          if (textEnd >= 0) {
            rest = html.slice(textEnd);
            while (
              !endTag.test(rest) &&
              !startTagOpen.test(rest) &&
              !comment.test(rest) &&
              !conditionalComment.test(rest)
            ) {
              // < in plain text, be forgiving and treat it as text
              next = rest.indexOf('<', 1);
              if (next < 0) { break }
              textEnd += next;
              rest = html.slice(textEnd);
            }
            text = html.substring(0, textEnd);
          }
  
          if (textEnd < 0) {
            text = html;
          }
  
          if (text) {
            advance(text.length);
          }
  
          if (options.chars && text) {
            options.chars(text, index - text.length, index);
          }
        } else {
          var endTagLength = 0;
          var stackedTag = lastTag.toLowerCase();
          var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
          var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
            endTagLength = endTag.length;
            if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
              text = text
                .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
                .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
            }
            if (shouldIgnoreFirstNewline(stackedTag, text)) {
              text = text.slice(1);
            }
            if (options.chars) {
              options.chars(text);
            }
            return ''
          });
          index += html.length - rest$1.length;
          html = rest$1;
          parseEndTag(stackedTag, index - endTagLength, index);
        }
  
        if (html === last) {
          options.chars && options.chars(html);
          if ( !stack.length && options.warn) {
            options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
          }
          break
        }
      }
  
      // Clean up any remaining tags
      parseEndTag();
  
      function advance (n) {
        index += n;
        html = html.substring(n);
      }
  
      function parseStartTag () {
        var start = html.match(startTagOpen);
        if (start) {
          var match = {
            tagName: start[1],
            attrs: [],
            start: index
          };
          advance(start[0].length);
          var end, attr;
          while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
            attr.start = index;
            advance(attr[0].length);
            attr.end = index;
            match.attrs.push(attr);
          }
          if (end) {
            match.unarySlash = end[1];
            advance(end[0].length);
            match.end = index;
            return match
          }
        }
      }
  
      function handleStartTag (match) {
        var tagName = match.tagName;
        var unarySlash = match.unarySlash;
  
        if (expectHTML) {
          if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
            parseEndTag(lastTag);
          }
          if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
            parseEndTag(tagName);
          }
        }
  
        var unary = isUnaryTag(tagName) || !!unarySlash;
  
        var l = match.attrs.length;
        var attrs = new Array(l);
        for (var i = 0; i < l; i++) {
          var args = match.attrs[i];
          var value = args[3] || args[4] || args[5] || '';
          var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
            ? options.shouldDecodeNewlinesForHref
            : options.shouldDecodeNewlines;
          attrs[i] = {
            name: args[1],
            value: decodeAttr(value, shouldDecodeNewlines)
          };
          if ( options.outputSourceRange) {
            attrs[i].start = args.start + args[0].match(/^\s*/).length;
            attrs[i].end = args.end;
          }
        }
  
        if (!unary) {
          stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
          lastTag = tagName;
        }
  
        if (options.start) {
          options.start(tagName, attrs, unary, match.start, match.end);
        }
      }
  
      function parseEndTag (tagName, start, end) {
        var pos, lowerCasedTagName;
        if (start == null) { start = index; }
        if (end == null) { end = index; }
  
        // Find the closest opened tag of the same type
        if (tagName) {
          lowerCasedTagName = tagName.toLowerCase();
          for (pos = stack.length - 1; pos >= 0; pos--) {
            if (stack[pos].lowerCasedTag === lowerCasedTagName) {
              break
            }
          }
        } else {
          // If no tag name is provided, clean shop
          pos = 0;
        }
  
        if (pos >= 0) {
          // Close all the open elements, up the stack
          for (var i = stack.length - 1; i >= pos; i--) {
            if (
              (i > pos || !tagName) &&
              options.warn
            ) {
              options.warn(
                ("tag <" + (stack[i].tag) + "> has no matching end tag."),
                { start: stack[i].start, end: stack[i].end }
              );
            }
            if (options.end) {
              options.end(stack[i].tag, start, end);
            }
          }
  
          // Remove the open elements from the stack
          stack.length = pos;
          lastTag = pos && stack[pos - 1].tag;
        } else if (lowerCasedTagName === 'br') {
          if (options.start) {
            options.start(tagName, [], true, start, end);
          }
        } else if (lowerCasedTagName === 'p') {
          if (options.start) {
            options.start(tagName, [], false, start, end);
          }
          if (options.end) {
            options.end(tagName, start, end);
          }
        }
      }
    }
  
    /*  */
  
    /**
     * Cross-platform code generation for component v-model
     */
    function genComponentModel (
      el,
      value,
      modifiers
    ) {
      var ref = modifiers || {};
      var number = ref.number;
      var trim = ref.trim;
  
      var baseValueExpression = '$$v';
      var valueExpression = baseValueExpression;
      if (trim) {
        valueExpression =
          "(typeof " + baseValueExpression + " === 'string'" +
          "? " + baseValueExpression + ".trim()" +
          ": " + baseValueExpression + ")";
      }
      if (number) {
        valueExpression = "_n(" + valueExpression + ")";
      }
      var assignment = genAssignmentCode(value, valueExpression);
  
      el.model = {
        value: ("(" + value + ")"),
        expression: JSON.stringify(value),
        callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
      };
    }
  
    /**
     * Cross-platform codegen helper for generating v-model value assignment code.
     */
    function genAssignmentCode (
      value,
      assignment
    ) {
      var res = parseModel(value);
      if (res.key === null) {
        return (value + "=" + assignment)
      } else {
        return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
      }
    }
  
    /**
     * Parse a v-model expression into a base path and a final key segment.
     * Handles both dot-path and possible square brackets.
     *
     * Possible cases:
     *
     * - test
     * - test[key]
     * - test[test1[key]]
     * - test["a"][key]
     * - xxx.test[a[a].test1[key]]
     * - test.xxx.a["asa"][test1[key]]
     *
     */
  
    var len, str, chr, index, expressionPos, expressionEndPos;
  
  
  
    function parseModel (val) {
      // Fix https://github.com/vuejs/vue/pull/7730
      // allow v-model="obj.val " (trailing whitespace)
      val = val.trim();
      len = val.length;
  
      if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
        index = val.lastIndexOf('.');
        if (index > -1) {
          return {
            exp: val.slice(0, index),
            key: '"' + val.slice(index + 1) + '"'
          }
        } else {
          return {
            exp: val,
            key: null
          }
        }
      }
  
      str = val;
      index = expressionPos = expressionEndPos = 0;
  
      while (!eof()) {
        chr = next();
        /* istanbul ignore if */
        if (isStringStart(chr)) {
          parseString(chr);
        } else if (chr === 0x5B) {
          parseBracket(chr);
        }
      }
  
      return {
        exp: val.slice(0, expressionPos),
        key: val.slice(expressionPos + 1, expressionEndPos)
      }
    }
  
    function next () {
      return str.charCodeAt(++index)
    }
  
    function eof () {
      return index >= len
    }
  
    function isStringStart (chr) {
      return chr === 0x22 || chr === 0x27
    }
  
    function parseBracket (chr) {
      var inBracket = 1;
      expressionPos = index;
      while (!eof()) {
        chr = next();
        if (isStringStart(chr)) {
          parseString(chr);
          continue
        }
        if (chr === 0x5B) { inBracket++; }
        if (chr === 0x5D) { inBracket--; }
        if (inBracket === 0) {
          expressionEndPos = index;
          break
        }
      }
    }
  
    function parseString (chr) {
      var stringQuote = chr;
      while (!eof()) {
        chr = next();
        if (chr === stringQuote) {
          break
        }
      }
    }
  
    /*  */
  
    var onRE = /^@|^v-on:/;
    var dirRE =  /^v-|^@|^:|^#/;
    var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
    var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
    var stripParensRE = /^\(|\)$/g;
    var dynamicArgRE = /^\[.*\]$/;
  
    var argRE = /:(.*)$/;
    var bindRE = /^:|^\.|^v-bind:/;
    var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
  
    var slotRE = /^v-slot(:|$)|^#/;
  
    var lineBreakRE = /[\r\n]/;
    var whitespaceRE = /[ \f\t\r\n]+/g;
  
    var invalidAttributeRE = /[\s"'<>\/=]/;
  
    var decodeHTMLCached = cached(he.decode);
  
    var emptySlotScopeToken = "_empty_";
  
    // configurable state
    var warn$1;
    var delimiters;
    var transforms;
    var preTransforms;
    var postTransforms;
    var platformIsPreTag;
    var platformMustUseProp;
    var platformGetTagNamespace;
    var maybeComponent;
  
    function createASTElement (
      tag,
      attrs,
      parent
    ) {
      return {
        type: 1,
        tag: tag,
        attrsList: attrs,
        attrsMap: makeAttrsMap(attrs),
        rawAttrsMap: {},
        parent: parent,
        children: []
      }
    }
  
    /**
     * Convert HTML string to AST.
     */
    function parse (
      template,
      options
    ) {
      warn$1 = options.warn || baseWarn;
  
      platformIsPreTag = options.isPreTag || no;
      platformMustUseProp = options.mustUseProp || no;
      platformGetTagNamespace = options.getTagNamespace || no;
      var isReservedTag = options.isReservedTag || no;
      maybeComponent = function (el) { return !!(
        el.component ||
        el.attrsMap[':is'] ||
        el.attrsMap['v-bind:is'] ||
        !(el.attrsMap.is ? isReservedTag(el.attrsMap.is) : isReservedTag(el.tag))
      ); };
      transforms = pluckModuleFunction(options.modules, 'transformNode');
      preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
      postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
  
      delimiters = options.delimiters;
  
      var stack = [];
      var preserveWhitespace = options.preserveWhitespace !== false;
      var whitespaceOption = options.whitespace;
      var root;
      var currentParent;
      var inVPre = false;
      var inPre = false;
      var warned = false;
  
      function warnOnce (msg, range) {
        if (!warned) {
          warned = true;
          warn$1(msg, range);
        }
      }
  
      function closeElement (element) {
        trimEndingWhitespace(element);
        if (!inVPre && !element.processed) {
          element = processElement(element, options);
        }
        // tree management
        if (!stack.length && element !== root) {
          // allow root elements with v-if, v-else-if and v-else
          if (root.if && (element.elseif || element.else)) {
            {
              checkRootConstraints(element);
            }
            addIfCondition(root, {
              exp: element.elseif,
              block: element
            });
          } else {
            warnOnce(
              "Component template should contain exactly one root element. " +
              "If you are using v-if on multiple elements, " +
              "use v-else-if to chain them instead.",
              { start: element.start }
            );
          }
        }
        if (currentParent && !element.forbidden) {
          if (element.elseif || element.else) {
            processIfConditions(element, currentParent);
          } else {
            if (element.slotScope) {
              // scoped slot
              // keep it in the children list so that v-else(-if) conditions can
              // find it as the prev node.
              var name = element.slotTarget || '"default"'
              ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
            }
            currentParent.children.push(element);
            element.parent = currentParent;
          }
        }
  
        // final children cleanup
        // filter out scoped slots
        element.children = element.children.filter(function (c) { return !(c).slotScope; });
        // remove trailing whitespace node again
        trimEndingWhitespace(element);
  
        // check pre state
        if (element.pre) {
          inVPre = false;
        }
        if (platformIsPreTag(element.tag)) {
          inPre = false;
        }
        // apply post-transforms
        for (var i = 0; i < postTransforms.length; i++) {
          postTransforms[i](element, options);
        }
      }
  
      function trimEndingWhitespace (el) {
        // remove trailing whitespace node
        if (!inPre) {
          var lastNode;
          while (
            (lastNode = el.children[el.children.length - 1]) &&
            lastNode.type === 3 &&
            lastNode.text === ' '
          ) {
            el.children.pop();
          }
        }
      }
  
      function checkRootConstraints (el) {
        if (el.tag === 'slot' || el.tag === 'template') {
          warnOnce(
            "Cannot use <" + (el.tag) + "> as component root element because it may " +
            'contain multiple nodes.',
            { start: el.start }
          );
        }
        if (el.attrsMap.hasOwnProperty('v-for')) {
          warnOnce(
            'Cannot use v-for on stateful component root element because ' +
            'it renders multiple elements.',
            el.rawAttrsMap['v-for']
          );
        }
      }
  
      parseHTML(template, {
        warn: warn$1,
        expectHTML: options.expectHTML,
        isUnaryTag: options.isUnaryTag,
        canBeLeftOpenTag: options.canBeLeftOpenTag,
        shouldDecodeNewlines: options.shouldDecodeNewlines,
        shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
        shouldKeepComment: options.comments,
        outputSourceRange: options.outputSourceRange,
        start: function start (tag, attrs, unary, start$1, end) {
          // check namespace.
          // inherit parent ns if there is one
          var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
  
          // handle IE svg bug
          /* istanbul ignore if */
          if (isIE && ns === 'svg') {
            attrs = guardIESVGBug(attrs);
          }
  
          var element = createASTElement(tag, attrs, currentParent);
          if (ns) {
            element.ns = ns;
          }
  
          {
            if (options.outputSourceRange) {
              element.start = start$1;
              element.end = end;
              element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
                cumulated[attr.name] = attr;
                return cumulated
              }, {});
            }
            attrs.forEach(function (attr) {
              if (invalidAttributeRE.test(attr.name)) {
                warn$1(
                  "Invalid dynamic argument expression: attribute names cannot contain " +
                  "spaces, quotes, <, >, / or =.",
                  {
                    start: attr.start + attr.name.indexOf("["),
                    end: attr.start + attr.name.length
                  }
                );
              }
            });
          }
  
          if (isForbiddenTag(element) && !isServerRendering()) {
            element.forbidden = true;
             warn$1(
              'Templates should only be responsible for mapping the state to the ' +
              'UI. Avoid placing tags with side-effects in your templates, such as ' +
              "<" + tag + ">" + ', as they will not be parsed.',
              { start: element.start }
            );
          }
  
          // apply pre-transforms
          for (var i = 0; i < preTransforms.length; i++) {
            element = preTransforms[i](element, options) || element;
          }
  
          if (!inVPre) {
            processPre(element);
            if (element.pre) {
              inVPre = true;
            }
          }
          if (platformIsPreTag(element.tag)) {
            inPre = true;
          }
          if (inVPre) {
            processRawAttrs(element);
          } else if (!element.processed) {
            // structural directives
            processFor(element);
            processIf(element);
            processOnce(element);
          }
  
          if (!root) {
            root = element;
            {
              checkRootConstraints(root);
            }
          }
  
          if (!unary) {
            currentParent = element;
            stack.push(element);
          } else {
            closeElement(element);
          }
        },
  
        end: function end (tag, start, end$1) {
          var element = stack[stack.length - 1];
          // pop stack
          stack.length -= 1;
          currentParent = stack[stack.length - 1];
          if ( options.outputSourceRange) {
            element.end = end$1;
          }
          closeElement(element);
        },
  
        chars: function chars (text, start, end) {
          if (!currentParent) {
            {
              if (text === template) {
                warnOnce(
                  'Component template requires a root element, rather than just text.',
                  { start: start }
                );
              } else if ((text = text.trim())) {
                warnOnce(
                  ("text \"" + text + "\" outside root element will be ignored."),
                  { start: start }
                );
              }
            }
            return
          }
          // IE textarea placeholder bug
          /* istanbul ignore if */
          if (isIE &&
            currentParent.tag === 'textarea' &&
            currentParent.attrsMap.placeholder === text
          ) {
            return
          }
          var children = currentParent.children;
          if (inPre || text.trim()) {
            text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
          } else if (!children.length) {
            // remove the whitespace-only node right after an opening tag
            text = '';
          } else if (whitespaceOption) {
            if (whitespaceOption === 'condense') {
              // in condense mode, remove the whitespace node if it contains
              // line break, otherwise condense to a single space
              text = lineBreakRE.test(text) ? '' : ' ';
            } else {
              text = ' ';
            }
          } else {
            text = preserveWhitespace ? ' ' : '';
          }
          if (text) {
            if (!inPre && whitespaceOption === 'condense') {
              // condense consecutive whitespaces into single space
              text = text.replace(whitespaceRE, ' ');
            }
            var res;
            var child;
            if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
              child = {
                type: 2,
                expression: res.expression,
                tokens: res.tokens,
                text: text
              };
            } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
              child = {
                type: 3,
                text: text
              };
            }
            if (child) {
              if ( options.outputSourceRange) {
                child.start = start;
                child.end = end;
              }
              children.push(child);
            }
          }
        },
        comment: function comment (text, start, end) {
          // adding anything as a sibling to the root node is forbidden
          // comments should still be allowed, but ignored
          if (currentParent) {
            var child = {
              type: 3,
              text: text,
              isComment: true
            };
            if ( options.outputSourceRange) {
              child.start = start;
              child.end = end;
            }
            currentParent.children.push(child);
          }
        }
      });
      return root
    }
  
    function processPre (el) {
      if (getAndRemoveAttr(el, 'v-pre') != null) {
        el.pre = true;
      }
    }
  
    function processRawAttrs (el) {
      var list = el.attrsList;
      var len = list.length;
      if (len) {
        var attrs = el.attrs = new Array(len);
        for (var i = 0; i < len; i++) {
          attrs[i] = {
            name: list[i].name,
            value: JSON.stringify(list[i].value)
          };
          if (list[i].start != null) {
            attrs[i].start = list[i].start;
            attrs[i].end = list[i].end;
          }
        }
      } else if (!el.pre) {
        // non root node in pre blocks with no attributes
        el.plain = true;
      }
    }
  
    function processElement (
      element,
      options
    ) {
      processKey(element);
  
      // determine whether this is a plain element after
      // removing structural attributes
      element.plain = (
        !element.key &&
        !element.scopedSlots &&
        !element.attrsList.length
      );
  
      processRef(element);
      processSlotContent(element);
      processSlotOutlet(element);
      processComponent(element);
      for (var i = 0; i < transforms.length; i++) {
        element = transforms[i](element, options) || element;
      }
      processAttrs(element);
      return element
    }
  
    function processKey (el) {
      var exp = getBindingAttr(el, 'key');
      if (exp) {
        {
          if (el.tag === 'template') {
            warn$1(
              "<template> cannot be keyed. Place the key on real elements instead.",
              getRawBindingAttr(el, 'key')
            );
          }
          if (el.for) {
            var iterator = el.iterator2 || el.iterator1;
            var parent = el.parent;
            if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
              warn$1(
                "Do not use v-for index as key on <transition-group> children, " +
                "this is the same as not using keys.",
                getRawBindingAttr(el, 'key'),
                true /* tip */
              );
            }
          }
        }
        el.key = exp;
      }
    }
  
    function processRef (el) {
      var ref = getBindingAttr(el, 'ref');
      if (ref) {
        el.ref = ref;
        el.refInFor = checkInFor(el);
      }
    }
  
    function processFor (el) {
      var exp;
      if ((exp = getAndRemoveAttr(el, 'v-for'))) {
        var res = parseFor(exp);
        if (res) {
          extend(el, res);
        } else {
          warn$1(
            ("Invalid v-for expression: " + exp),
            el.rawAttrsMap['v-for']
          );
        }
      }
    }
  
  
  
    function parseFor (exp) {
      var inMatch = exp.match(forAliasRE);
      if (!inMatch) { return }
      var res = {};
      res.for = inMatch[2].trim();
      var alias = inMatch[1].trim().replace(stripParensRE, '');
      var iteratorMatch = alias.match(forIteratorRE);
      if (iteratorMatch) {
        res.alias = alias.replace(forIteratorRE, '').trim();
        res.iterator1 = iteratorMatch[1].trim();
        if (iteratorMatch[2]) {
          res.iterator2 = iteratorMatch[2].trim();
        }
      } else {
        res.alias = alias;
      }
      return res
    }
  
    function processIf (el) {
      var exp = getAndRemoveAttr(el, 'v-if');
      if (exp) {
        el.if = exp;
        addIfCondition(el, {
          exp: exp,
          block: el
        });
      } else {
        if (getAndRemoveAttr(el, 'v-else') != null) {
          el.else = true;
        }
        var elseif = getAndRemoveAttr(el, 'v-else-if');
        if (elseif) {
          el.elseif = elseif;
        }
      }
    }
  
    function processIfConditions (el, parent) {
      var prev = findPrevElement(parent.children);
      if (prev && prev.if) {
        addIfCondition(prev, {
          exp: el.elseif,
          block: el
        });
      } else {
        warn$1(
          "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
          "used on element <" + (el.tag) + "> without corresponding v-if.",
          el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
        );
      }
    }
  
    function findPrevElement (children) {
      var i = children.length;
      while (i--) {
        if (children[i].type === 1) {
          return children[i]
        } else {
          if ( children[i].text !== ' ') {
            warn$1(
              "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
              "will be ignored.",
              children[i]
            );
          }
          children.pop();
        }
      }
    }
  
    function addIfCondition (el, condition) {
      if (!el.ifConditions) {
        el.ifConditions = [];
      }
      el.ifConditions.push(condition);
    }
  
    function processOnce (el) {
      var once = getAndRemoveAttr(el, 'v-once');
      if (once != null) {
        el.once = true;
      }
    }
  
    // handle content being passed to a component as slot,
    // e.g. <template slot="xxx">, <div slot-scope="xxx">
    function processSlotContent (el) {
      var slotScope;
      if (el.tag === 'template') {
        slotScope = getAndRemoveAttr(el, 'scope');
        /* istanbul ignore if */
        if ( slotScope) {
          warn$1(
            "the \"scope\" attribute for scoped slots have been deprecated and " +
            "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
            "can also be used on plain elements in addition to <template> to " +
            "denote scoped slots.",
            el.rawAttrsMap['scope'],
            true
          );
        }
        el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
      } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
        /* istanbul ignore if */
        if ( el.attrsMap['v-for']) {
          warn$1(
            "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
            "(v-for takes higher priority). Use a wrapper <template> for the " +
            "scoped slot to make it clearer.",
            el.rawAttrsMap['slot-scope'],
            true
          );
        }
        el.slotScope = slotScope;
      }
  
      // slot="xxx"
      var slotTarget = getBindingAttr(el, 'slot');
      if (slotTarget) {
        el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
        el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
        // preserve slot as an attribute for native shadow DOM compat
        // only for non-scoped slots.
        if (el.tag !== 'template' && !el.slotScope) {
          addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
        }
      }
  
      // 2.6 v-slot syntax
      {
        if (el.tag === 'template') {
          // v-slot on <template>
          var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
          if (slotBinding) {
            {
              if (el.slotTarget || el.slotScope) {
                warn$1(
                  "Unexpected mixed usage of different slot syntaxes.",
                  el
                );
              }
              if (el.parent && !maybeComponent(el.parent)) {
                warn$1(
                  "<template v-slot> can only appear at the root level inside " +
                  "the receiving component",
                  el
                );
              }
            }
            var ref = getSlotName(slotBinding);
            var name = ref.name;
            var dynamic = ref.dynamic;
            el.slotTarget = name;
            el.slotTargetDynamic = dynamic;
            el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
          }
        } else {
          // v-slot on component, denotes default slot
          var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
          if (slotBinding$1) {
            {
              if (!maybeComponent(el)) {
                warn$1(
                  "v-slot can only be used on components or <template>.",
                  slotBinding$1
                );
              }
              if (el.slotScope || el.slotTarget) {
                warn$1(
                  "Unexpected mixed usage of different slot syntaxes.",
                  el
                );
              }
              if (el.scopedSlots) {
                warn$1(
                  "To avoid scope ambiguity, the default slot should also use " +
                  "<template> syntax when there are other named slots.",
                  slotBinding$1
                );
              }
            }
            // add the component's children to its default slot
            var slots = el.scopedSlots || (el.scopedSlots = {});
            var ref$1 = getSlotName(slotBinding$1);
            var name$1 = ref$1.name;
            var dynamic$1 = ref$1.dynamic;
            var slotContainer = slots[name$1] = createASTElement('template', [], el);
            slotContainer.slotTarget = name$1;
            slotContainer.slotTargetDynamic = dynamic$1;
            slotContainer.children = el.children.filter(function (c) {
              if (!c.slotScope) {
                c.parent = slotContainer;
                return true
              }
            });
            slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
            // remove children as they are returned from scopedSlots now
            el.children = [];
            // mark el non-plain so data gets generated
            el.plain = false;
          }
        }
      }
    }
  
    function getSlotName (binding) {
      var name = binding.name.replace(slotRE, '');
      if (!name) {
        if (binding.name[0] !== '#') {
          name = 'default';
        } else {
          warn$1(
            "v-slot shorthand syntax requires a slot name.",
            binding
          );
        }
      }
      return dynamicArgRE.test(name)
        // dynamic [name]
        ? { name: name.slice(1, -1), dynamic: true }
        // static name
        : { name: ("\"" + name + "\""), dynamic: false }
    }
  
    // handle <slot/> outlets
    function processSlotOutlet (el) {
      if (el.tag === 'slot') {
        el.slotName = getBindingAttr(el, 'name');
        if ( el.key) {
          warn$1(
            "`key` does not work on <slot> because slots are abstract outlets " +
            "and can possibly expand into multiple elements. " +
            "Use the key on a wrapping element instead.",
            getRawBindingAttr(el, 'key')
          );
        }
      }
    }
  
    function processComponent (el) {
      var binding;
      if ((binding = getBindingAttr(el, 'is'))) {
        el.component = binding;
      }
      if (getAndRemoveAttr(el, 'inline-template') != null) {
        el.inlineTemplate = true;
      }
    }
  
    function processAttrs (el) {
      var list = el.attrsList;
      var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
      for (i = 0, l = list.length; i < l; i++) {
        name = rawName = list[i].name;
        value = list[i].value;
        if (dirRE.test(name)) {
          // mark element as dynamic
          el.hasBindings = true;
          // modifiers
          modifiers = parseModifiers(name.replace(dirRE, ''));
          // support .foo shorthand syntax for the .prop modifier
          if (modifiers) {
            name = name.replace(modifierRE, '');
          }
          if (bindRE.test(name)) { // v-bind
            name = name.replace(bindRE, '');
            value = parseFilters(value);
            isDynamic = dynamicArgRE.test(name);
            if (isDynamic) {
              name = name.slice(1, -1);
            }
            if (
              
              value.trim().length === 0
            ) {
              warn$1(
                ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
              );
            }
            if (modifiers) {
              if (modifiers.prop && !isDynamic) {
                name = camelize(name);
                if (name === 'innerHtml') { name = 'innerHTML'; }
              }
              if (modifiers.camel && !isDynamic) {
                name = camelize(name);
              }
              if (modifiers.sync) {
                syncGen = genAssignmentCode(value, "$event");
                if (!isDynamic) {
                  addHandler(
                    el,
                    ("update:" + (camelize(name))),
                    syncGen,
                    null,
                    false,
                    warn$1,
                    list[i]
                  );
                  if (hyphenate(name) !== camelize(name)) {
                    addHandler(
                      el,
                      ("update:" + (hyphenate(name))),
                      syncGen,
                      null,
                      false,
                      warn$1,
                      list[i]
                    );
                  }
                } else {
                  // handler w/ dynamic event name
                  addHandler(
                    el,
                    ("\"update:\"+(" + name + ")"),
                    syncGen,
                    null,
                    false,
                    warn$1,
                    list[i],
                    true // dynamic
                  );
                }
              }
            }
            if ((modifiers && modifiers.prop) || (
              !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
            )) {
              addProp(el, name, value, list[i], isDynamic);
            } else {
              addAttr(el, name, value, list[i], isDynamic);
            }
          } else if (onRE.test(name)) { // v-on
            name = name.replace(onRE, '');
            isDynamic = dynamicArgRE.test(name);
            if (isDynamic) {
              name = name.slice(1, -1);
            }
            addHandler(el, name, value, modifiers, false, warn$1, list[i], isDynamic);
          } else { // normal directives
            name = name.replace(dirRE, '');
            // parse arg
            var argMatch = name.match(argRE);
            var arg = argMatch && argMatch[1];
            isDynamic = false;
            if (arg) {
              name = name.slice(0, -(arg.length + 1));
              if (dynamicArgRE.test(arg)) {
                arg = arg.slice(1, -1);
                isDynamic = true;
              }
            }
            addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
            if ( name === 'model') {
              checkForAliasModel(el, value);
            }
          }
        } else {
          // literal attribute
          {
            var res = parseText(value, delimiters);
            if (res) {
              warn$1(
                name + "=\"" + value + "\": " +
                'Interpolation inside attributes has been removed. ' +
                'Use v-bind or the colon shorthand instead. For example, ' +
                'instead of <div id="{{ val }}">, use <div :id="val">.',
                list[i]
              );
            }
          }
          addAttr(el, name, JSON.stringify(value), list[i]);
          // #6887 firefox doesn't update muted state if set via attribute
          // even immediately after element creation
          if (!el.component &&
              name === 'muted' &&
              platformMustUseProp(el.tag, el.attrsMap.type, name)) {
            addProp(el, name, 'true', list[i]);
          }
        }
      }
    }
  
    function checkInFor (el) {
      var parent = el;
      while (parent) {
        if (parent.for !== undefined) {
          return true
        }
        parent = parent.parent;
      }
      return false
    }
  
    function parseModifiers (name) {
      var match = name.match(modifierRE);
      if (match) {
        var ret = {};
        match.forEach(function (m) { ret[m.slice(1)] = true; });
        return ret
      }
    }
  
    function makeAttrsMap (attrs) {
      var map = {};
      for (var i = 0, l = attrs.length; i < l; i++) {
        if (
          
          map[attrs[i].name] && !isIE && !isEdge
        ) {
          warn$1('duplicate attribute: ' + attrs[i].name, attrs[i]);
        }
        map[attrs[i].name] = attrs[i].value;
      }
      return map
    }
  
    // for script (e.g. type="x/template") or style, do not decode content
    function isTextTag (el) {
      return el.tag === 'script' || el.tag === 'style'
    }
  
    function isForbiddenTag (el) {
      return (
        el.tag === 'style' ||
        (el.tag === 'script' && (
          !el.attrsMap.type ||
          el.attrsMap.type === 'text/javascript'
        ))
      )
    }
  
    var ieNSBug = /^xmlns:NS\d+/;
    var ieNSPrefix = /^NS\d+:/;
  
    /* istanbul ignore next */
    function guardIESVGBug (attrs) {
      var res = [];
      for (var i = 0; i < attrs.length; i++) {
        var attr = attrs[i];
        if (!ieNSBug.test(attr.name)) {
          attr.name = attr.name.replace(ieNSPrefix, '');
          res.push(attr);
        }
      }
      return res
    }
  
    function checkForAliasModel (el, value) {
      var _el = el;
      while (_el) {
        if (_el.for && _el.alias === value) {
          warn$1(
            "<" + (el.tag) + " v-model=\"" + value + "\">: " +
            "You are binding v-model directly to a v-for iteration alias. " +
            "This will not be able to modify the v-for source array because " +
            "writing to the alias is like modifying a function local variable. " +
            "Consider using an array of objects and use v-model on an object property instead.",
            el.rawAttrsMap['v-model']
          );
        }
        _el = _el.parent;
      }
    }
  
    /*  */
  
    function preTransformNode (el, options) {
      if (el.tag === 'input') {
        var map = el.attrsMap;
        if (!map['v-model']) {
          return
        }
  
        var typeBinding;
        if (map[':type'] || map['v-bind:type']) {
          typeBinding = getBindingAttr(el, 'type');
        }
        if (!map.type && !typeBinding && map['v-bind']) {
          typeBinding = "(" + (map['v-bind']) + ").type";
        }
  
        if (typeBinding) {
          var ifCondition = getAndRemoveAttr(el, 'v-if', true);
          var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
          var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
          var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
          // 1. checkbox
          var branch0 = cloneASTElement(el);
          // process for on the main node
          processFor(branch0);
          addRawAttr(branch0, 'type', 'checkbox');
          processElement(branch0, options);
          branch0.processed = true; // prevent it from double-processed
          branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
          addIfCondition(branch0, {
            exp: branch0.if,
            block: branch0
          });
          // 2. add radio else-if condition
          var branch1 = cloneASTElement(el);
          getAndRemoveAttr(branch1, 'v-for', true);
          addRawAttr(branch1, 'type', 'radio');
          processElement(branch1, options);
          addIfCondition(branch0, {
            exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
            block: branch1
          });
          // 3. other
          var branch2 = cloneASTElement(el);
          getAndRemoveAttr(branch2, 'v-for', true);
          addRawAttr(branch2, ':type', typeBinding);
          processElement(branch2, options);
          addIfCondition(branch0, {
            exp: ifCondition,
            block: branch2
          });
  
          if (hasElse) {
            branch0.else = true;
          } else if (elseIfCondition) {
            branch0.elseif = elseIfCondition;
          }
  
          return branch0
        }
      }
    }
  
    function cloneASTElement (el) {
      return createASTElement(el.tag, el.attrsList.slice(), el.parent)
    }
  
    var model$1 = {
      preTransformNode: preTransformNode
    };
  
    var modules$1 = [
      klass,
      style,
      model$1
    ];
  
    /*  */
  
    var warn$2;
  
    // in some cases, the event used has to be determined at runtime
    // so we used some reserved tokens during compile.
    var RANGE_TOKEN = '__r';
  
    function model$2 (
      el,
      dir,
      _warn
    ) {
      warn$2 = _warn;
      var value = dir.value;
      var modifiers = dir.modifiers;
      var tag = el.tag;
      var type = el.attrsMap.type;
  
      {
        // inputs with type="file" are read only and setting the input's
        // value will throw an error.
        if (tag === 'input' && type === 'file') {
          warn$2(
            "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
            "File inputs are read only. Use a v-on:change listener instead.",
            el.rawAttrsMap['v-model']
          );
        }
      }
  
      if (el.component) {
        genComponentModel(el, value, modifiers);
        // component v-model doesn't need extra runtime
        return false
      } else if (tag === 'select') {
        genSelect(el, value, modifiers);
      } else if (tag === 'input' && type === 'checkbox') {
        genCheckboxModel(el, value, modifiers);
      } else if (tag === 'input' && type === 'radio') {
        genRadioModel(el, value, modifiers);
      } else if (tag === 'input' || tag === 'textarea') {
        genDefaultModel(el, value, modifiers);
      } else if (!config.isReservedTag(tag)) {
        genComponentModel(el, value, modifiers);
        // component v-model doesn't need extra runtime
        return false
      } else {
        warn$2(
          "<" + (el.tag) + " v-model=\"" + value + "\">: " +
          "v-model is not supported on this element type. " +
          'If you are working with contenteditable, it\'s recommended to ' +
          'wrap a library dedicated for that purpose inside a custom component.',
          el.rawAttrsMap['v-model']
        );
      }
  
      // ensure runtime directive metadata
      return true
    }
  
    function genCheckboxModel (
      el,
      value,
      modifiers
    ) {
      var number = modifiers && modifiers.number;
      var valueBinding = getBindingAttr(el, 'value') || 'null';
      var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
      var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
      addProp(el, 'checked',
        "Array.isArray(" + value + ")" +
        "?_i(" + value + "," + valueBinding + ")>-1" + (
          trueValueBinding === 'true'
            ? (":(" + value + ")")
            : (":_q(" + value + "," + trueValueBinding + ")")
        )
      );
      addHandler(el, 'change',
        "var $$a=" + value + "," +
            '$$el=$event.target,' +
            "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
        'if(Array.isArray($$a)){' +
          "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
              '$$i=_i($$a,$$v);' +
          "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
          "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
        "}else{" + (genAssignmentCode(value, '$$c')) + "}",
        null, true
      );
    }
  
    function genRadioModel (
      el,
      value,
      modifiers
    ) {
      var number = modifiers && modifiers.number;
      var valueBinding = getBindingAttr(el, 'value') || 'null';
      valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
      addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
      addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
    }
  
    function genSelect (
      el,
      value,
      modifiers
    ) {
      var number = modifiers && modifiers.number;
      var selectedVal = "Array.prototype.filter" +
        ".call($event.target.options,function(o){return o.selected})" +
        ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
        "return " + (number ? '_n(val)' : 'val') + "})";
  
      var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
      var code = "var $$selectedVal = " + selectedVal + ";";
      code = code + " " + (genAssignmentCode(value, assignment));
      addHandler(el, 'change', code, null, true);
    }
  
    function genDefaultModel (
      el,
      value,
      modifiers
    ) {
      var type = el.attrsMap.type;
  
      // warn if v-bind:value conflicts with v-model
      // except for inputs with v-bind:type
      {
        var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
        var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
        if (value$1 && !typeBinding) {
          var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
          warn$2(
            binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
            'because the latter already expands to a value binding internally',
            el.rawAttrsMap[binding]
          );
        }
      }
  
      var ref = modifiers || {};
      var lazy = ref.lazy;
      var number = ref.number;
      var trim = ref.trim;
      var needCompositionGuard = !lazy && type !== 'range';
      var event = lazy
        ? 'change'
        : type === 'range'
          ? RANGE_TOKEN
          : 'input';
  
      var valueExpression = '$event.target.value';
      if (trim) {
        valueExpression = "$event.target.value.trim()";
      }
      if (number) {
        valueExpression = "_n(" + valueExpression + ")";
      }
  
      var code = genAssignmentCode(value, valueExpression);
      if (needCompositionGuard) {
        code = "if($event.target.composing)return;" + code;
      }
  
      addProp(el, 'value', ("(" + value + ")"));
      addHandler(el, event, code, null, true);
      if (trim || number) {
        addHandler(el, 'blur', '$forceUpdate()');
      }
    }
  
    /*  */
  
    function text (el, dir) {
      if (dir.value) {
        addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
      }
    }
  
    /*  */
  
    function html (el, dir) {
      if (dir.value) {
        addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
      }
    }
  
    var directives$1 = {
      model: model$2,
      text: text,
      html: html
    };
  
    /*  */
  
    var baseOptions = {
      expectHTML: true,
      modules: modules$1,
      directives: directives$1,
      isPreTag: isPreTag,
      isUnaryTag: isUnaryTag,
      mustUseProp: mustUseProp,
      canBeLeftOpenTag: canBeLeftOpenTag,
      isReservedTag: isReservedTag,
      getTagNamespace: getTagNamespace,
      staticKeys: genStaticKeys(modules$1)
    };
  
    /*  */
  
    var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
    var fnInvokeRE = /\([^)]*?\);*$/;
    var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
  
    // KeyboardEvent.keyCode aliases
    var keyCodes = {
      esc: 27,
      tab: 9,
      enter: 13,
      space: 32,
      up: 38,
      left: 37,
      right: 39,
      down: 40,
      'delete': [8, 46]
    };
  
    // KeyboardEvent.key aliases
    var keyNames = {
      // #7880: IE11 and Edge use `Esc` for Escape key name.
      esc: ['Esc', 'Escape'],
      tab: 'Tab',
      enter: 'Enter',
      // #9112: IE11 uses `Spacebar` for Space key name.
      space: [' ', 'Spacebar'],
      // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
      up: ['Up', 'ArrowUp'],
      left: ['Left', 'ArrowLeft'],
      right: ['Right', 'ArrowRight'],
      down: ['Down', 'ArrowDown'],
      // #9112: IE11 uses `Del` for Delete key name.
      'delete': ['Backspace', 'Delete', 'Del']
    };
  
    // #4868: modifiers that prevent the execution of the listener
    // need to explicitly return null so that we can determine whether to remove
    // the listener for .once
    var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
  
    var modifierCode = {
      stop: '$event.stopPropagation();',
      prevent: '$event.preventDefault();',
      self: genGuard("$event.target !== $event.currentTarget"),
      ctrl: genGuard("!$event.ctrlKey"),
      shift: genGuard("!$event.shiftKey"),
      alt: genGuard("!$event.altKey"),
      meta: genGuard("!$event.metaKey"),
      left: genGuard("'button' in $event && $event.button !== 0"),
      middle: genGuard("'button' in $event && $event.button !== 1"),
      right: genGuard("'button' in $event && $event.button !== 2")
    };
  
    function genHandlers (
      events,
      isNative
    ) {
      var prefix = isNative ? 'nativeOn:' : 'on:';
      var staticHandlers = "";
      var dynamicHandlers = "";
      for (var name in events) {
        var handlerCode = genHandler(events[name]);
        if (events[name] && events[name].dynamic) {
          dynamicHandlers += name + "," + handlerCode + ",";
        } else {
          staticHandlers += "\"" + name + "\":" + handlerCode + ",";
        }
      }
      staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
      if (dynamicHandlers) {
        return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
      } else {
        return prefix + staticHandlers
      }
    }
  
    function genHandler (handler) {
      if (!handler) {
        return 'function(){}'
      }
  
      if (Array.isArray(handler)) {
        return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
      }
  
      var isMethodPath = simplePathRE.test(handler.value);
      var isFunctionExpression = fnExpRE.test(handler.value);
      var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));
  
      if (!handler.modifiers) {
        if (isMethodPath || isFunctionExpression) {
          return handler.value
        }
        return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
      } else {
        var code = '';
        var genModifierCode = '';
        var keys = [];
        for (var key in handler.modifiers) {
          if (modifierCode[key]) {
            genModifierCode += modifierCode[key];
            // left/right
            if (keyCodes[key]) {
              keys.push(key);
            }
          } else if (key === 'exact') {
            var modifiers = (handler.modifiers);
            genModifierCode += genGuard(
              ['ctrl', 'shift', 'alt', 'meta']
                .filter(function (keyModifier) { return !modifiers[keyModifier]; })
                .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
                .join('||')
            );
          } else {
            keys.push(key);
          }
        }
        if (keys.length) {
          code += genKeyFilter(keys);
        }
        // Make sure modifiers like prevent and stop get executed after key filtering
        if (genModifierCode) {
          code += genModifierCode;
        }
        var handlerCode = isMethodPath
          ? ("return " + (handler.value) + ".apply(null, arguments)")
          : isFunctionExpression
            ? ("return (" + (handler.value) + ").apply(null, arguments)")
            : isFunctionInvocation
              ? ("return " + (handler.value))
              : handler.value;
        return ("function($event){" + code + handlerCode + "}")
      }
    }
  
    function genKeyFilter (keys) {
      return (
        // make sure the key filters only apply to KeyboardEvents
        // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
        // key events that do not have keyCode property...
        "if(!$event.type.indexOf('key')&&" +
        (keys.map(genFilterCode).join('&&')) + ")return null;"
      )
    }
  
    function genFilterCode (key) {
      var keyVal = parseInt(key, 10);
      if (keyVal) {
        return ("$event.keyCode!==" + keyVal)
      }
      var keyCode = keyCodes[key];
      var keyName = keyNames[key];
      return (
        "_k($event.keyCode," +
        (JSON.stringify(key)) + "," +
        (JSON.stringify(keyCode)) + "," +
        "$event.key," +
        "" + (JSON.stringify(keyName)) +
        ")"
      )
    }
  
    /*  */
  
    function on (el, dir) {
      if ( dir.modifiers) {
        warn("v-on without argument does not support modifiers.");
      }
      el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
    }
  
    /*  */
  
    function bind (el, dir) {
      el.wrapData = function (code) {
        return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
      };
    }
  
    /*  */
  
    var baseDirectives = {
      on: on,
      bind: bind,
      cloak: noop
    };
  
    /*  */
  
  
  
  
  
    var CodegenState = function CodegenState (options) {
      this.options = options;
      this.warn = options.warn || baseWarn;
      this.transforms = pluckModuleFunction(options.modules, 'transformCode');
      this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
      this.directives = extend(extend({}, baseDirectives), options.directives);
      var isReservedTag = options.isReservedTag || no;
      this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
      this.onceId = 0;
      this.staticRenderFns = [];
      this.pre = false;
    };
  
  
  
    function generate (
      ast,
      options
    ) {
      var state = new CodegenState(options);
      // fix #11483, Root level <script> tags should not be rendered.
      var code = ast ? (ast.tag === 'script' ? 'null' : genElement(ast, state)) : '_c("div")';
      return {
        render: ("with(this){return " + code + "}"),
        staticRenderFns: state.staticRenderFns
      }
    }
  
    function genElement (el, state) {
      if (el.parent) {
        el.pre = el.pre || el.parent.pre;
      }
  
      if (el.staticRoot && !el.staticProcessed) {
        return genStatic(el, state)
      } else if (el.once && !el.onceProcessed) {
        return genOnce(el, state)
      } else if (el.for && !el.forProcessed) {
        return genFor(el, state)
      } else if (el.if && !el.ifProcessed) {
        return genIf(el, state)
      } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
        return genChildren(el, state) || 'void 0'
      } else if (el.tag === 'slot') {
        return genSlot(el, state)
      } else {
        // component or element
        var code;
        if (el.component) {
          code = genComponent(el.component, el, state);
        } else {
          var data;
          if (!el.plain || (el.pre && state.maybeComponent(el))) {
            data = genData$2(el, state);
          }
  
          var children = el.inlineTemplate ? null : genChildren(el, state, true);
          code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
        }
        // module transforms
        for (var i = 0; i < state.transforms.length; i++) {
          code = state.transforms[i](el, code);
        }
        return code
      }
    }
  
    // hoist static sub-trees out
    function genStatic (el, state) {
      el.staticProcessed = true;
      // Some elements (templates) need to behave differently inside of a v-pre
      // node.  All pre nodes are static roots, so we can use this as a location to
      // wrap a state change and reset it upon exiting the pre node.
      var originalPreState = state.pre;
      if (el.pre) {
        state.pre = el.pre;
      }
      state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
      state.pre = originalPreState;
      return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
    }
  
    // v-once
    function genOnce (el, state) {
      el.onceProcessed = true;
      if (el.if && !el.ifProcessed) {
        return genIf(el, state)
      } else if (el.staticInFor) {
        var key = '';
        var parent = el.parent;
        while (parent) {
          if (parent.for) {
            key = parent.key;
            break
          }
          parent = parent.parent;
        }
        if (!key) {
           state.warn(
            "v-once can only be used inside v-for that is keyed. ",
            el.rawAttrsMap['v-once']
          );
          return genElement(el, state)
        }
        return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
      } else {
        return genStatic(el, state)
      }
    }
  
    function genIf (
      el,
      state,
      altGen,
      altEmpty
    ) {
      el.ifProcessed = true; // avoid recursion
      return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
    }
  
    function genIfConditions (
      conditions,
      state,
      altGen,
      altEmpty
    ) {
      if (!conditions.length) {
        return altEmpty || '_e()'
      }
  
      var condition = conditions.shift();
      if (condition.exp) {
        return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
      } else {
        return ("" + (genTernaryExp(condition.block)))
      }
  
      // v-if with v-once should generate code like (a)?_m(0):_m(1)
      function genTernaryExp (el) {
        return altGen
          ? altGen(el, state)
          : el.once
            ? genOnce(el, state)
            : genElement(el, state)
      }
    }
  
    function genFor (
      el,
      state,
      altGen,
      altHelper
    ) {
      var exp = el.for;
      var alias = el.alias;
      var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
      var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
  
      if (
        state.maybeComponent(el) &&
        el.tag !== 'slot' &&
        el.tag !== 'template' &&
        !el.key
      ) {
        state.warn(
          "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
          "v-for should have explicit keys. " +
          "See https://vuejs.org/guide/list.html#key for more info.",
          el.rawAttrsMap['v-for'],
          true /* tip */
        );
      }
  
      el.forProcessed = true; // avoid recursion
      return (altHelper || '_l') + "((" + exp + ")," +
        "function(" + alias + iterator1 + iterator2 + "){" +
          "return " + ((altGen || genElement)(el, state)) +
        '})'
    }
  
    function genData$2 (el, state) {
      var data = '{';
  
      // directives first.
      // directives may mutate the el's other properties before they are generated.
      var dirs = genDirectives(el, state);
      if (dirs) { data += dirs + ','; }
  
      // key
      if (el.key) {
        data += "key:" + (el.key) + ",";
      }
      // ref
      if (el.ref) {
        data += "ref:" + (el.ref) + ",";
      }
      if (el.refInFor) {
        data += "refInFor:true,";
      }
      // pre
      if (el.pre) {
        data += "pre:true,";
      }
      // record original tag name for components using "is" attribute
      if (el.component) {
        data += "tag:\"" + (el.tag) + "\",";
      }
      // module data generation functions
      for (var i = 0; i < state.dataGenFns.length; i++) {
        data += state.dataGenFns[i](el);
      }
      // attributes
      if (el.attrs) {
        data += "attrs:" + (genProps(el.attrs)) + ",";
      }
      // DOM props
      if (el.props) {
        data += "domProps:" + (genProps(el.props)) + ",";
      }
      // event handlers
      if (el.events) {
        data += (genHandlers(el.events, false)) + ",";
      }
      if (el.nativeEvents) {
        data += (genHandlers(el.nativeEvents, true)) + ",";
      }
      // slot target
      // only for non-scoped slots
      if (el.slotTarget && !el.slotScope) {
        data += "slot:" + (el.slotTarget) + ",";
      }
      // scoped slots
      if (el.scopedSlots) {
        data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
      }
      // component v-model
      if (el.model) {
        data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
      }
      // inline-template
      if (el.inlineTemplate) {
        var inlineTemplate = genInlineTemplate(el, state);
        if (inlineTemplate) {
          data += inlineTemplate + ",";
        }
      }
      data = data.replace(/,$/, '') + '}';
      // v-bind dynamic argument wrap
      // v-bind with dynamic arguments must be applied using the same v-bind object
      // merge helper so that class/style/mustUseProp attrs are handled correctly.
      if (el.dynamicAttrs) {
        data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
      }
      // v-bind data wrap
      if (el.wrapData) {
        data = el.wrapData(data);
      }
      // v-on data wrap
      if (el.wrapListeners) {
        data = el.wrapListeners(data);
      }
      return data
    }
  
    function genDirectives (el, state) {
      var dirs = el.directives;
      if (!dirs) { return }
      var res = 'directives:[';
      var hasRuntime = false;
      var i, l, dir, needRuntime;
      for (i = 0, l = dirs.length; i < l; i++) {
        dir = dirs[i];
        needRuntime = true;
        var gen = state.directives[dir.name];
        if (gen) {
          // compile-time directive that manipulates AST.
          // returns true if it also needs a runtime counterpart.
          needRuntime = !!gen(el, dir, state.warn);
        }
        if (needRuntime) {
          hasRuntime = true;
          res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
        }
      }
      if (hasRuntime) {
        return res.slice(0, -1) + ']'
      }
    }
  
    function genInlineTemplate (el, state) {
      var ast = el.children[0];
      if ( (
        el.children.length !== 1 || ast.type !== 1
      )) {
        state.warn(
          'Inline-template components must have exactly one child element.',
          { start: el.start }
        );
      }
      if (ast && ast.type === 1) {
        var inlineRenderFns = generate(ast, state.options);
        return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
      }
    }
  
    function genScopedSlots (
      el,
      slots,
      state
    ) {
      // by default scoped slots are considered "stable", this allows child
      // components with only scoped slots to skip forced updates from parent.
      // but in some cases we have to bail-out of this optimization
      // for example if the slot contains dynamic names, has v-if or v-for on them...
      var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
        var slot = slots[key];
        return (
          slot.slotTargetDynamic ||
          slot.if ||
          slot.for ||
          containsSlotChild(slot) // is passing down slot from parent which may be dynamic
        )
      });
  
      // #9534: if a component with scoped slots is inside a conditional branch,
      // it's possible for the same component to be reused but with different
      // compiled slot content. To avoid that, we generate a unique key based on
      // the generated code of all the slot contents.
      var needsKey = !!el.if;
  
      // OR when it is inside another scoped slot or v-for (the reactivity may be
      // disconnected due to the intermediate scope variable)
      // #9438, #9506
      // TODO: this can be further optimized by properly analyzing in-scope bindings
      // and skip force updating ones that do not actually use scope variables.
      if (!needsForceUpdate) {
        var parent = el.parent;
        while (parent) {
          if (
            (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
            parent.for
          ) {
            needsForceUpdate = true;
            break
          }
          if (parent.if) {
            needsKey = true;
          }
          parent = parent.parent;
        }
      }
  
      var generatedSlots = Object.keys(slots)
        .map(function (key) { return genScopedSlot(slots[key], state); })
        .join(',');
  
      return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
    }
  
    function hash(str) {
      var hash = 5381;
      var i = str.length;
      while(i) {
        hash = (hash * 33) ^ str.charCodeAt(--i);
      }
      return hash >>> 0
    }
  
    function containsSlotChild (el) {
      if (el.type === 1) {
        if (el.tag === 'slot') {
          return true
        }
        return el.children.some(containsSlotChild)
      }
      return false
    }
  
    function genScopedSlot (
      el,
      state
    ) {
      var isLegacySyntax = el.attrsMap['slot-scope'];
      if (el.if && !el.ifProcessed && !isLegacySyntax) {
        return genIf(el, state, genScopedSlot, "null")
      }
      if (el.for && !el.forProcessed) {
        return genFor(el, state, genScopedSlot)
      }
      var slotScope = el.slotScope === emptySlotScopeToken
        ? ""
        : String(el.slotScope);
      var fn = "function(" + slotScope + "){" +
        "return " + (el.tag === 'template'
          ? el.if && isLegacySyntax
            ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
            : genChildren(el, state) || 'undefined'
          : genElement(el, state)) + "}";
      // reverse proxy v-slot without scope on this.$slots
      var reverseProxy = slotScope ? "" : ",proxy:true";
      return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
    }
  
    function genChildren (
      el,
      state,
      checkSkip,
      altGenElement,
      altGenNode
    ) {
      var children = el.children;
      if (children.length) {
        var el$1 = children[0];
        // optimize single v-for
        if (children.length === 1 &&
          el$1.for &&
          el$1.tag !== 'template' &&
          el$1.tag !== 'slot'
        ) {
          var normalizationType = checkSkip
            ? state.maybeComponent(el$1) ? ",1" : ",0"
            : "";
          return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
        }
        var normalizationType$1 = checkSkip
          ? getNormalizationType(children, state.maybeComponent)
          : 0;
        var gen = altGenNode || genNode;
        return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
      }
    }
  
    // determine the normalization needed for the children array.
    // 0: no normalization needed
    // 1: simple normalization needed (possible 1-level deep nested array)
    // 2: full normalization needed
    function getNormalizationType (
      children,
      maybeComponent
    ) {
      var res = 0;
      for (var i = 0; i < children.length; i++) {
        var el = children[i];
        if (el.type !== 1) {
          continue
        }
        if (needsNormalization(el) ||
            (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
          res = 2;
          break
        }
        if (maybeComponent(el) ||
            (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
          res = 1;
        }
      }
      return res
    }
  
    function needsNormalization (el) {
      return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
    }
  
    function genNode (node, state) {
      if (node.type === 1) {
        return genElement(node, state)
      } else if (node.type === 3 && node.isComment) {
        return genComment(node)
      } else {
        return genText(node)
      }
    }
  
    function genText (text) {
      return ("_v(" + (text.type === 2
        ? text.expression // no need for () because already wrapped in _s()
        : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
    }
  
    function genComment (comment) {
      return ("_e(" + (JSON.stringify(comment.text)) + ")")
    }
  
    function genSlot (el, state) {
      var slotName = el.slotName || '"default"';
      var children = genChildren(el, state);
      var res = "_t(" + slotName + (children ? (",function(){return " + children + "}") : '');
      var attrs = el.attrs || el.dynamicAttrs
        ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
            // slot props are camelized
            name: camelize(attr.name),
            value: attr.value,
            dynamic: attr.dynamic
          }); }))
        : null;
      var bind = el.attrsMap['v-bind'];
      if ((attrs || bind) && !children) {
        res += ",null";
      }
      if (attrs) {
        res += "," + attrs;
      }
      if (bind) {
        res += (attrs ? '' : ',null') + "," + bind;
      }
      return res + ')'
    }
  
    // componentName is el.component, take it as argument to shun flow's pessimistic refinement
    function genComponent (
      componentName,
      el,
      state
    ) {
      var children = el.inlineTemplate ? null : genChildren(el, state, true);
      return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
    }
  
    function genProps (props) {
      var staticProps = "";
      var dynamicProps = "";
      for (var i = 0; i < props.length; i++) {
        var prop = props[i];
        var value =  transformSpecialNewlines(prop.value);
        if (prop.dynamic) {
          dynamicProps += (prop.name) + "," + value + ",";
        } else {
          staticProps += "\"" + (prop.name) + "\":" + value + ",";
        }
      }
      staticProps = "{" + (staticProps.slice(0, -1)) + "}";
      if (dynamicProps) {
        return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
      } else {
        return staticProps
      }
    }
  
    // #3895, #4268
    function transformSpecialNewlines (text) {
      return text
        .replace(/\u2028/g, '\\u2028')
        .replace(/\u2029/g, '\\u2029')
    }
  
    /*  */
  
  
  
  
    var plainStringRE = /^"(?:[^"\\]|\\.)*"$|^'(?:[^'\\]|\\.)*'$/;
  
    // let the model AST transform translate v-model into appropriate
    // props bindings
    function applyModelTransform (el, state) {
      if (el.directives) {
        for (var i = 0; i < el.directives.length; i++) {
          var dir = el.directives[i];
          if (dir.name === 'model') {
            state.directives.model(el, dir, state.warn);
            // remove value for textarea as its converted to text
            if (el.tag === 'textarea' && el.props) {
              el.props = el.props.filter(function (p) { return p.name !== 'value'; });
            }
            break
          }
        }
      }
    }
  
    function genAttrSegments (
      attrs
    ) {
      return attrs.map(function (ref) {
        var name = ref.name;
        var value = ref.value;
  
        return genAttrSegment(name, value);
      })
    }
  
    function genDOMPropSegments (
      props,
      attrs
    ) {
      var segments = [];
      props.forEach(function (ref) {
        var name = ref.name;
        var value = ref.value;
  
        name = propsToAttrMap[name] || name.toLowerCase();
        if (isRenderableAttr(name) &&
          !(attrs && attrs.some(function (a) { return a.name === name; }))
        ) {
          segments.push(genAttrSegment(name, value));
        }
      });
      return segments
    }
  
    function genAttrSegment (name, value) {
      if (plainStringRE.test(value)) {
        // force double quote
        value = value.replace(/^'|'$/g, '"');
        // force enumerated attr to "true"
        if (isEnumeratedAttr(name) && value !== "\"false\"") {
          value = "\"true\"";
        }
        return {
          type: RAW,
          value: isBooleanAttr(name)
            ? (" " + name + "=\"" + name + "\"")
            : value === '""'
              ? (" " + name)
              : (" " + name + "=\"" + (JSON.parse(value)) + "\"")
        }
      } else {
        return {
          type: EXPRESSION,
          value: ("_ssrAttr(" + (JSON.stringify(name)) + "," + value + ")")
        }
      }
    }
  
    function genClassSegments (
      staticClass,
      classBinding
    ) {
      if (staticClass && !classBinding) {
        return [{ type: RAW, value: (" class=\"" + (JSON.parse(staticClass)) + "\"") }]
      } else {
        return [{
          type: EXPRESSION,
          value: ("_ssrClass(" + (staticClass || 'null') + "," + (classBinding || 'null') + ")")
        }]
      }
    }
  
    function genStyleSegments (
      staticStyle,
      parsedStaticStyle,
      styleBinding,
      vShowExpression
    ) {
      if (staticStyle && !styleBinding && !vShowExpression) {
        return [{ type: RAW, value: (" style=" + (JSON.stringify(staticStyle))) }]
      } else {
        return [{
          type: EXPRESSION,
          value: ("_ssrStyle(" + (parsedStaticStyle || 'null') + "," + (styleBinding || 'null') + ", " + (vShowExpression
              ? ("{ display: (" + vShowExpression + ") ? '' : 'none' }")
              : 'null') + ")")
        }]
      }
    }
  
    /*  */
  
    // optimizability constants
    var optimizability = {
      FALSE: 0,    // whole sub tree un-optimizable
      FULL: 1,     // whole sub tree optimizable
      SELF: 2,     // self optimizable but has some un-optimizable children
      CHILDREN: 3, // self un-optimizable but have fully optimizable children
      PARTIAL: 4   // self un-optimizable with some un-optimizable children
    };
  
    var isPlatformReservedTag;
  
    function optimize (root, options) {
      if (!root) { return }
      isPlatformReservedTag = options.isReservedTag || no;
      walk(root, true);
    }
  
    function walk (node, isRoot) {
      if (isUnOptimizableTree(node)) {
        node.ssrOptimizability = optimizability.FALSE;
        return
      }
      // root node or nodes with custom directives should always be a VNode
      var selfUnoptimizable = isRoot || hasCustomDirective(node);
      var check = function (child) {
        if (child.ssrOptimizability !== optimizability.FULL) {
          node.ssrOptimizability = selfUnoptimizable
            ? optimizability.PARTIAL
            : optimizability.SELF;
        }
      };
      if (selfUnoptimizable) {
        node.ssrOptimizability = optimizability.CHILDREN;
      }
      if (node.type === 1) {
        for (var i = 0, l = node.children.length; i < l; i++) {
          var child = node.children[i];
          walk(child);
          check(child);
        }
        if (node.ifConditions) {
          for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
            var block = node.ifConditions[i$1].block;
            walk(block, isRoot);
            check(block);
          }
        }
        if (node.ssrOptimizability == null ||
          (!isRoot && (node.attrsMap['v-html'] || node.attrsMap['v-text']))
        ) {
          node.ssrOptimizability = optimizability.FULL;
        } else {
          node.children = optimizeSiblings(node);
        }
      } else {
        node.ssrOptimizability = optimizability.FULL;
      }
    }
  
    function optimizeSiblings (el) {
      var children = el.children;
      var optimizedChildren = [];
  
      var currentOptimizableGroup = [];
      var pushGroup = function () {
        if (currentOptimizableGroup.length) {
          optimizedChildren.push({
            type: 1,
            parent: el,
            tag: 'template',
            attrsList: [],
            attrsMap: {},
            rawAttrsMap: {},
            children: currentOptimizableGroup,
            ssrOptimizability: optimizability.FULL
          });
        }
        currentOptimizableGroup = [];
      };
  
      for (var i = 0; i < children.length; i++) {
        var c = children[i];
        if (c.ssrOptimizability === optimizability.FULL) {
          currentOptimizableGroup.push(c);
        } else {
          // wrap fully-optimizable adjacent siblings inside a template tag
          // so that they can be optimized into a single ssrNode by codegen
          pushGroup();
          optimizedChildren.push(c);
        }
      }
      pushGroup();
      return optimizedChildren
    }
  
    function isUnOptimizableTree (node) {
      if (node.type === 2 || node.type === 3) { // text or expression
        return false
      }
      return (
        isBuiltInTag(node.tag) || // built-in (slot, component)
        !isPlatformReservedTag(node.tag) || // custom component
        !!node.component || // "is" component
        isSelectWithModel(node) // <select v-model> requires runtime inspection
      )
    }
  
    var isBuiltInDir = makeMap('text,html,show,on,bind,model,pre,cloak,once');
  
    function hasCustomDirective (node) {
      return (
        node.type === 1 &&
        node.directives &&
        node.directives.some(function (d) { return !isBuiltInDir(d.name); })
      )
    }
  
    // <select v-model> cannot be optimized because it requires a runtime check
    // to determine proper selected option
    function isSelectWithModel (node) {
      return (
        node.type === 1 &&
        node.tag === 'select' &&
        node.directives != null &&
        node.directives.some(function (d) { return d.name === 'model'; })
      )
    }
  
    /*  */
  
  
  
  
    // segment types
    var RAW = 0;
    var INTERPOLATION = 1;
    var EXPRESSION = 2;
  
    function generate$1 (
      ast,
      options
    ) {
      var state = new CodegenState(options);
      var code = ast ? genSSRElement(ast, state) : '_c("div")';
      return {
        render: ("with(this){return " + code + "}"),
        staticRenderFns: state.staticRenderFns
      }
    }
  
    function genSSRElement (el, state) {
      if (el.for && !el.forProcessed) {
        return genFor(el, state, genSSRElement)
      } else if (el.if && !el.ifProcessed) {
        return genIf(el, state, genSSRElement)
      } else if (el.tag === 'template' && !el.slotTarget) {
        return el.ssrOptimizability === optimizability.FULL
          ? genChildrenAsStringNode(el, state)
          : genSSRChildren(el, state) || 'void 0'
      }
  
      switch (el.ssrOptimizability) {
        case optimizability.FULL:
          // stringify whole tree
          return genStringElement(el, state)
        case optimizability.SELF:
          // stringify self and check children
          return genStringElementWithChildren(el, state)
        case optimizability.CHILDREN:
          // generate self as VNode and stringify children
          return genNormalElement(el, state, true)
        case optimizability.PARTIAL:
          // generate self as VNode and check children
          return genNormalElement(el, state, false)
        default:
          // bail whole tree
          return genElement(el, state)
      }
    }
  
    function genNormalElement (el, state, stringifyChildren) {
      var data = el.plain ? undefined : genData$2(el, state);
      var children = stringifyChildren
        ? ("[" + (genChildrenAsStringNode(el, state)) + "]")
        : genSSRChildren(el, state, true);
      return ("_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")")
    }
  
    function genSSRChildren (el, state, checkSkip) {
      return genChildren(el, state, checkSkip, genSSRElement, genSSRNode)
    }
  
    function genSSRNode (el, state) {
      return el.type === 1
        ? genSSRElement(el, state)
        : genText(el)
    }
  
    function genChildrenAsStringNode (el, state) {
      return el.children.length
        ? ("_ssrNode(" + (flattenSegments(childrenToSegments(el, state))) + ")")
        : ''
    }
  
    function genStringElement (el, state) {
      return ("_ssrNode(" + (elementToString(el, state)) + ")")
    }
  
    function genStringElementWithChildren (el, state) {
      var children = genSSRChildren(el, state, true);
      return ("_ssrNode(" + (flattenSegments(elementToOpenTagSegments(el, state))) + ",\"</" + (el.tag) + ">\"" + (children ? ("," + children) : '') + ")")
    }
  
    function elementToString (el, state) {
      return ("(" + (flattenSegments(elementToSegments(el, state))) + ")")
    }
  
    function elementToSegments (el, state) {
      // v-for / v-if
      if (el.for && !el.forProcessed) {
        el.forProcessed = true;
        return [{
          type: EXPRESSION,
          value: genFor(el, state, elementToString, '_ssrList')
        }]
      } else if (el.if && !el.ifProcessed) {
        el.ifProcessed = true;
        return [{
          type: EXPRESSION,
          value: genIf(el, state, elementToString, '"<!---->"')
        }]
      } else if (el.tag === 'template') {
        return childrenToSegments(el, state)
      }
  
      var openSegments = elementToOpenTagSegments(el, state);
      var childrenSegments = childrenToSegments(el, state);
      var ref = state.options;
      var isUnaryTag = ref.isUnaryTag;
      var close = (isUnaryTag && isUnaryTag(el.tag))
        ? []
        : [{ type: RAW, value: ("</" + (el.tag) + ">") }];
      return openSegments.concat(childrenSegments, close)
    }
  
    function elementToOpenTagSegments (el, state) {
      applyModelTransform(el, state);
      var binding;
      var segments = [{ type: RAW, value: ("<" + (el.tag)) }];
      // attrs
      if (el.attrs) {
        segments.push.apply(segments, genAttrSegments(el.attrs));
      }
      // domProps
      if (el.props) {
        segments.push.apply(segments, genDOMPropSegments(el.props, el.attrs));
      }
      // v-bind="object"
      if ((binding = el.attrsMap['v-bind'])) {
        segments.push({ type: EXPRESSION, value: ("_ssrAttrs(" + binding + ")") });
      }
      // v-bind.prop="object"
      if ((binding = el.attrsMap['v-bind.prop'])) {
        segments.push({ type: EXPRESSION, value: ("_ssrDOMProps(" + binding + ")") });
      }
      // class
      if (el.staticClass || el.classBinding) {
        segments.push.apply(
          segments,
          genClassSegments(el.staticClass, el.classBinding)
        );
      }
      // style & v-show
      if (el.staticStyle || el.styleBinding || el.attrsMap['v-show']) {
        segments.push.apply(
          segments,
          genStyleSegments(
            el.attrsMap.style,
            el.staticStyle,
            el.styleBinding,
            el.attrsMap['v-show']
          )
        );
      }
      // _scopedId
      if (state.options.scopeId) {
        segments.push({ type: RAW, value: (" " + (state.options.scopeId)) });
      }
      segments.push({ type: RAW, value: ">" });
      return segments
    }
  
    function childrenToSegments (el, state) {
      var binding;
      if ((binding = el.attrsMap['v-html'])) {
        return [{ type: EXPRESSION, value: ("_s(" + binding + ")") }]
      }
      if ((binding = el.attrsMap['v-text'])) {
        return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
      }
      if (el.tag === 'textarea' && (binding = el.attrsMap['v-model'])) {
        return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
      }
      return el.children
        ? nodesToSegments(el.children, state)
        : []
    }
  
    function nodesToSegments (
      children,
      state
    ) {
      var segments = [];
      for (var i = 0; i < children.length; i++) {
        var c = children[i];
        if (c.type === 1) {
          segments.push.apply(segments, elementToSegments(c, state));
        } else if (c.type === 2) {
          segments.push({ type: INTERPOLATION, value: c.expression });
        } else if (c.type === 3) {
          var text = escape(c.text);
          if (c.isComment) {
            text = '<!--' + text + '-->';
          }
          segments.push({ type: RAW, value: text });
        }
      }
      return segments
    }
  
    function flattenSegments (segments) {
      var mergedSegments = [];
      var textBuffer = '';
  
      var pushBuffer = function () {
        if (textBuffer) {
          mergedSegments.push(JSON.stringify(textBuffer));
          textBuffer = '';
        }
      };
  
      for (var i = 0; i < segments.length; i++) {
        var s = segments[i];
        if (s.type === RAW) {
          textBuffer += s.value;
        } else if (s.type === INTERPOLATION) {
          pushBuffer();
          mergedSegments.push(("_ssrEscape(" + (s.value) + ")"));
        } else if (s.type === EXPRESSION) {
          pushBuffer();
          mergedSegments.push(("(" + (s.value) + ")"));
        }
      }
      pushBuffer();
  
      return mergedSegments.join('+')
    }
  
    /*  */
  
  
  
    // these keywords should not appear inside expressions, but operators like
    // typeof, instanceof and in are allowed
    var prohibitedKeywordRE = new RegExp('\\b' + (
      'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
      'super,throw,while,yield,delete,export,import,return,switch,default,' +
      'extends,finally,continue,debugger,function,arguments'
    ).split(',').join('\\b|\\b') + '\\b');
  
    // these unary operators should not be used as property/method names
    var unaryOperatorsRE = new RegExp('\\b' + (
      'delete,typeof,void'
    ).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
  
    // strip strings in expressions
    var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
  
    // detect problematic expressions in a template
    function detectErrors (ast, warn) {
      if (ast) {
        checkNode(ast, warn);
      }
    }
  
    function checkNode (node, warn) {
      if (node.type === 1) {
        for (var name in node.attrsMap) {
          if (dirRE.test(name)) {
            var value = node.attrsMap[name];
            if (value) {
              var range = node.rawAttrsMap[name];
              if (name === 'v-for') {
                checkFor(node, ("v-for=\"" + value + "\""), warn, range);
              } else if (name === 'v-slot' || name[0] === '#') {
                checkFunctionParameterExpression(value, (name + "=\"" + value + "\""), warn, range);
              } else if (onRE.test(name)) {
                checkEvent(value, (name + "=\"" + value + "\""), warn, range);
              } else {
                checkExpression(value, (name + "=\"" + value + "\""), warn, range);
              }
            }
          }
        }
        if (node.children) {
          for (var i = 0; i < node.children.length; i++) {
            checkNode(node.children[i], warn);
          }
        }
      } else if (node.type === 2) {
        checkExpression(node.expression, node.text, warn, node);
      }
    }
  
    function checkEvent (exp, text, warn, range) {
      var stripped = exp.replace(stripStringRE, '');
      var keywordMatch = stripped.match(unaryOperatorsRE);
      if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
        warn(
          "avoid using JavaScript unary operator as property name: " +
          "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
          range
        );
      }
      checkExpression(exp, text, warn, range);
    }
  
    function checkFor (node, text, warn, range) {
      checkExpression(node.for || '', text, warn, range);
      checkIdentifier(node.alias, 'v-for alias', text, warn, range);
      checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
      checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
    }
  
    function checkIdentifier (
      ident,
      type,
      text,
      warn,
      range
    ) {
      if (typeof ident === 'string') {
        try {
          new Function(("var " + ident + "=_"));
        } catch (e) {
          warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
        }
      }
    }
  
    function checkExpression (exp, text, warn, range) {
      try {
        new Function(("return " + exp));
      } catch (e) {
        var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
        if (keywordMatch) {
          warn(
            "avoid using JavaScript keyword as property name: " +
            "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
            range
          );
        } else {
          warn(
            "invalid expression: " + (e.message) + " in\n\n" +
            "    " + exp + "\n\n" +
            "  Raw expression: " + (text.trim()) + "\n",
            range
          );
        }
      }
    }
  
    function checkFunctionParameterExpression (exp, text, warn, range) {
      try {
        new Function(exp, '');
      } catch (e) {
        warn(
          "invalid function parameter expression: " + (e.message) + " in\n\n" +
          "    " + exp + "\n\n" +
          "  Raw expression: " + (text.trim()) + "\n",
          range
        );
      }
    }
  
    /*  */
  
    var range = 2;
  
    function generateCodeFrame (
      source,
      start,
      end
    ) {
      if ( start === void 0 ) start = 0;
      if ( end === void 0 ) end = source.length;
  
      var lines = source.split(/\r?\n/);
      var count = 0;
      var res = [];
      for (var i = 0; i < lines.length; i++) {
        count += lines[i].length + 1;
        if (count >= start) {
          for (var j = i - range; j <= i + range || end > count; j++) {
            if (j < 0 || j >= lines.length) { continue }
            res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
            var lineLength = lines[j].length;
            if (j === i) {
              // push underline
              var pad = start - (count - lineLength) + 1;
              var length = end > count ? lineLength - pad : end - start;
              res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
            } else if (j > i) {
              if (end > count) {
                var length$1 = Math.min(end - count, lineLength);
                res.push("   |  " + repeat$1("^", length$1));
              }
              count += lineLength + 1;
            }
          }
          break
        }
      }
      return res.join('\n')
    }
  
    function repeat$1 (str, n) {
      var result = '';
      if (n > 0) {
        while (true) { // eslint-disable-line
          if (n & 1) { result += str; }
          n >>>= 1;
          if (n <= 0) { break }
          str += str;
        }
      }
      return result
    }
  
    /*  */
  
  
  
    function createFunction (code, errors) {
      try {
        return new Function(code)
      } catch (err) {
        errors.push({ err: err, code: code });
        return noop
      }
    }
  
    function createCompileToFunctionFn (compile) {
      var cache = Object.create(null);
  
      return function compileToFunctions (
        template,
        options,
        vm
      ) {
        options = extend({}, options);
        var warn$1 = options.warn || warn;
        delete options.warn;
  
        /* istanbul ignore if */
        {
          // detect possible CSP restriction
          try {
            new Function('return 1');
          } catch (e) {
            if (e.toString().match(/unsafe-eval|CSP/)) {
              warn$1(
                'It seems you are using the standalone build of Vue.js in an ' +
                'environment with Content Security Policy that prohibits unsafe-eval. ' +
                'The template compiler cannot work in this environment. Consider ' +
                'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
                'templates into render functions.'
              );
            }
          }
        }
  
        // check cache
        var key = options.delimiters
          ? String(options.delimiters) + template
          : template;
        if (cache[key]) {
          return cache[key]
        }
  
        // compile
        var compiled = compile(template, options);
  
        // check compilation errors/tips
        {
          if (compiled.errors && compiled.errors.length) {
            if (options.outputSourceRange) {
              compiled.errors.forEach(function (e) {
                warn$1(
                  "Error compiling template:\n\n" + (e.msg) + "\n\n" +
                  generateCodeFrame(template, e.start, e.end),
                  vm
                );
              });
            } else {
              warn$1(
                "Error compiling template:\n\n" + template + "\n\n" +
                compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
                vm
              );
            }
          }
          if (compiled.tips && compiled.tips.length) {
            if (options.outputSourceRange) {
              compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
            } else {
              compiled.tips.forEach(function (msg) { return tip(msg, vm); });
            }
          }
        }
  
        // turn code into functions
        var res = {};
        var fnGenErrors = [];
        res.render = createFunction(compiled.render, fnGenErrors);
        res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
          return createFunction(code, fnGenErrors)
        });
  
        // check function generation errors.
        // this should only happen if there is a bug in the compiler itself.
        // mostly for codegen development use
        /* istanbul ignore if */
        {
          if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
            warn$1(
              "Failed to generate render function:\n\n" +
              fnGenErrors.map(function (ref) {
                var err = ref.err;
                var code = ref.code;
  
                return ((err.toString()) + " in\n\n" + code + "\n");
            }).join('\n'),
              vm
            );
          }
        }
  
        return (cache[key] = res)
      }
    }
  
    /*  */
  
    function createCompilerCreator (baseCompile) {
      return function createCompiler (baseOptions) {
        function compile (
          template,
          options
        ) {
          var finalOptions = Object.create(baseOptions);
          var errors = [];
          var tips = [];
  
          var warn = function (msg, range, tip) {
            (tip ? tips : errors).push(msg);
          };
  
          if (options) {
            if ( options.outputSourceRange) {
              // $flow-disable-line
              var leadingSpaceLength = template.match(/^\s*/)[0].length;
  
              warn = function (msg, range, tip) {
                var data = { msg: msg };
                if (range) {
                  if (range.start != null) {
                    data.start = range.start + leadingSpaceLength;
                  }
                  if (range.end != null) {
                    data.end = range.end + leadingSpaceLength;
                  }
                }
                (tip ? tips : errors).push(data);
              };
            }
            // merge custom modules
            if (options.modules) {
              finalOptions.modules =
                (baseOptions.modules || []).concat(options.modules);
            }
            // merge custom directives
            if (options.directives) {
              finalOptions.directives = extend(
                Object.create(baseOptions.directives || null),
                options.directives
              );
            }
            // copy other options
            for (var key in options) {
              if (key !== 'modules' && key !== 'directives') {
                finalOptions[key] = options[key];
              }
            }
          }
  
          finalOptions.warn = warn;
  
          var compiled = baseCompile(template.trim(), finalOptions);
          {
            detectErrors(compiled.ast, warn);
          }
          compiled.errors = errors;
          compiled.tips = tips;
          return compiled
        }
  
        return {
          compile: compile,
          compileToFunctions: createCompileToFunctionFn(compile)
        }
      }
    }
  
    /*  */
  
    var createCompiler = createCompilerCreator(function baseCompile (
      template,
      options
    ) {
      var ast = parse(template.trim(), options);
      optimize(ast, options);
      var code = generate$1(ast, options);
      return {
        ast: ast,
        render: code.render,
        staticRenderFns: code.staticRenderFns
      }
    });
  
    /*  */
  
    var ref = createCompiler(baseOptions);
    var compileToFunctions = ref.compileToFunctions;
  
    /*  */
  
    // The template compiler attempts to minimize the need for normalization by
    // statically analyzing the template at compile time.
    //
    // For plain HTML markup, normalization can be completely skipped because the
    // generated render function is guaranteed to return Array<VNode>. There are
    // two cases where extra normalization is needed:
  
    // 1. When the children contains components - because a functional component
    // may return an Array instead of a single root. In this case, just a simple
    // normalization is needed - if any child is an Array, we flatten the whole
    // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
    // because functional components already normalize their own children.
    function simpleNormalizeChildren (children) {
      for (var i = 0; i < children.length; i++) {
        if (Array.isArray(children[i])) {
          return Array.prototype.concat.apply([], children)
        }
      }
      return children
    }
  
    // 2. When the children contains constructs that always generated nested Arrays,
    // e.g. <template>, <slot>, v-for, or when the children is provided by user
    // with hand-written render functions / JSX. In such cases a full normalization
    // is needed to cater to all possible types of children values.
    function normalizeChildren (children) {
      return isPrimitive(children)
        ? [createTextVNode(children)]
        : Array.isArray(children)
          ? normalizeArrayChildren(children)
          : undefined
    }
  
    function isTextNode (node) {
      return isDef(node) && isDef(node.text) && isFalse(node.isComment)
    }
  
    function normalizeArrayChildren (children, nestedIndex) {
      var res = [];
      var i, c, lastIndex, last;
      for (i = 0; i < children.length; i++) {
        c = children[i];
        if (isUndef(c) || typeof c === 'boolean') { continue }
        lastIndex = res.length - 1;
        last = res[lastIndex];
        //  nested
        if (Array.isArray(c)) {
          if (c.length > 0) {
            c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
            // merge adjacent text nodes
            if (isTextNode(c[0]) && isTextNode(last)) {
              res[lastIndex] = createTextVNode(last.text + (c[0]).text);
              c.shift();
            }
            res.push.apply(res, c);
          }
        } else if (isPrimitive(c)) {
          if (isTextNode(last)) {
            // merge adjacent text nodes
            // this is necessary for SSR hydration because text nodes are
            // essentially merged when rendered to HTML strings
            res[lastIndex] = createTextVNode(last.text + c);
          } else if (c !== '') {
            // convert primitive to vnode
            res.push(createTextVNode(c));
          }
        } else {
          if (isTextNode(c) && isTextNode(last)) {
            // merge adjacent text nodes
            res[lastIndex] = createTextVNode(last.text + c.text);
          } else {
            // default key for nested array children (likely generated by v-for)
            if (isTrue(children._isVList) &&
              isDef(c.tag) &&
              isUndef(c.key) &&
              isDef(nestedIndex)) {
              c.key = "__vlist" + nestedIndex + "_" + i + "__";
            }
            res.push(c);
          }
        }
      }
      return res
    }
  
    /*  */
  
    var ssrHelpers = {
      _ssrEscape: escape,
      _ssrNode: renderStringNode,
      _ssrList: renderStringList,
      _ssrAttr: renderAttr,
      _ssrAttrs: renderAttrs$1,
      _ssrDOMProps: renderDOMProps$1,
      _ssrClass: renderSSRClass,
      _ssrStyle: renderSSRStyle
    };
  
    function installSSRHelpers (vm) {
      if (vm._ssrNode) {
        return
      }
      var Vue = vm.constructor;
      while (Vue.super) {
        Vue = Vue.super;
      }
      extend(Vue.prototype, ssrHelpers);
      if (Vue.FunctionalRenderContext) {
        extend(Vue.FunctionalRenderContext.prototype, ssrHelpers);
      }
    }
  
    var StringNode = function StringNode (
      open,
      close,
      children,
      normalizationType
    ) {
      this.isString = true;
      this.open = open;
      this.close = close;
      if (children) {
        this.children = normalizationType === 1
          ? simpleNormalizeChildren(children)
          : normalizationType === 2
            ? normalizeChildren(children)
            : children;
      } else {
        this.children = void 0;
      }
    };
  
    function renderStringNode (
      open,
      close,
      children,
      normalizationType
    ) {
      return new StringNode(open, close, children, normalizationType)
    }
  
    function renderStringList (
      val,
      render
    ) {
      var ret = '';
      var i, l, keys, key;
      if (Array.isArray(val) || typeof val === 'string') {
        for (i = 0, l = val.length; i < l; i++) {
          ret += render(val[i], i);
        }
      } else if (typeof val === 'number') {
        for (i = 0; i < val; i++) {
          ret += render(i + 1, i);
        }
      } else if (isObject(val)) {
        keys = Object.keys(val);
        for (i = 0, l = keys.length; i < l; i++) {
          key = keys[i];
          ret += render(val[key], key, i);
        }
      }
      return ret
    }
  
    function renderAttrs$1 (obj) {
      var res = '';
      for (var key in obj) {
        if (isSSRUnsafeAttr(key)) {
          continue
        }
        res += renderAttr(key, obj[key]);
      }
      return res
    }
  
    function renderDOMProps$1 (obj) {
      var res = '';
      for (var key in obj) {
        var attr = propsToAttrMap[key] || key.toLowerCase();
        if (isRenderableAttr(attr)) {
          res += renderAttr(attr, obj[key]);
        }
      }
      return res
    }
  
    function renderSSRClass (
      staticClass,
      dynamic
    ) {
      var res = renderClass(staticClass, dynamic);
      return res === '' ? res : (" class=\"" + (escape(res)) + "\"")
    }
  
    function renderSSRStyle (
      staticStyle,
      dynamic,
      extra
    ) {
      var style = {};
      if (staticStyle) { extend(style, staticStyle); }
      if (dynamic) { extend(style, normalizeStyleBinding(dynamic)); }
      if (extra) { extend(style, extra); }
      var res = genStyle(style);
      return res === '' ? res : (" style=" + (JSON.stringify(escape(res))))
    }
  
    /* not type checking this file because flow doesn't play well with Proxy */
  
    {
      var allowedGlobals = makeMap(
        'Infinity,undefined,NaN,isFinite,isNaN,' +
        'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
        'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' +
        'require' // for Webpack/Browserify
      );
  
      var hasProxy =
        typeof Proxy !== 'undefined' && isNative(Proxy);
  
      if (hasProxy) {
        var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
        config.keyCodes = new Proxy(config.keyCodes, {
          set: function set (target, key, value) {
            if (isBuiltInModifier(key)) {
              warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
              return false
            } else {
              target[key] = value;
              return true
            }
          }
        });
      }
    }
  
    /*  */
  
    var seenObjects = new _Set();
  
    /**
     * Recursively traverse an object to evoke all converted
     * getters, so that every nested property inside the object
     * is collected as a "deep" dependency.
     */
    function traverse (val) {
      _traverse(val, seenObjects);
      seenObjects.clear();
    }
  
    function _traverse (val, seen) {
      var i, keys;
      var isA = Array.isArray(val);
      if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
        return
      }
      if (val.__ob__) {
        var depId = val.__ob__.dep.id;
        if (seen.has(depId)) {
          return
        }
        seen.add(depId);
      }
      if (isA) {
        i = val.length;
        while (i--) { _traverse(val[i], seen); }
      } else {
        keys = Object.keys(val);
        i = keys.length;
        while (i--) { _traverse(val[keys[i]], seen); }
      }
    }
  
    {
      var perf = inBrowser && window.performance;
      /* istanbul ignore if */
      if (
        perf &&
        perf.mark &&
        perf.measure &&
        perf.clearMarks &&
        perf.clearMeasures
      ) ;
    }
  
    /*  */
  
    var normalizeEvent = cached(function (name) {
      var passive = name.charAt(0) === '&';
      name = passive ? name.slice(1) : name;
      var once = name.charAt(0) === '~'; // Prefixed last, checked first
      name = once ? name.slice(1) : name;
      var capture = name.charAt(0) === '!';
      name = capture ? name.slice(1) : name;
      return {
        name: name,
        once: once,
        capture: capture,
        passive: passive
      }
    });
  
    function createFnInvoker (fns, vm) {
      function invoker () {
        var arguments$1 = arguments;
  
        var fns = invoker.fns;
        if (Array.isArray(fns)) {
          var cloned = fns.slice();
          for (var i = 0; i < cloned.length; i++) {
            invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
          }
        } else {
          // return handler return value for single handlers
          return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
        }
      }
      invoker.fns = fns;
      return invoker
    }
  
    function updateListeners (
      on,
      oldOn,
      add,
      remove,
      createOnceHandler,
      vm
    ) {
      var name, def, cur, old, event;
      for (name in on) {
        def = cur = on[name];
        old = oldOn[name];
        event = normalizeEvent(name);
        if (isUndef(cur)) {
           warn(
            "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
            vm
          );
        } else if (isUndef(old)) {
          if (isUndef(cur.fns)) {
            cur = on[name] = createFnInvoker(cur, vm);
          }
          if (isTrue(event.once)) {
            cur = on[name] = createOnceHandler(event.name, cur, event.capture);
          }
          add(event.name, cur, event.capture, event.passive, event.params);
        } else if (cur !== old) {
          old.fns = cur;
          on[name] = old;
        }
      }
      for (name in oldOn) {
        if (isUndef(on[name])) {
          event = normalizeEvent(name);
          remove(event.name, oldOn[name], event.capture);
        }
      }
    }
  
    /*  */
  
    function extractPropsFromVNodeData (
      data,
      Ctor,
      tag
    ) {
      // we are only extracting raw values here.
      // validation and default values are handled in the child
      // component itself.
      var propOptions = Ctor.options.props;
      if (isUndef(propOptions)) {
        return
      }
      var res = {};
      var attrs = data.attrs;
      var props = data.props;
      if (isDef(attrs) || isDef(props)) {
        for (var key in propOptions) {
          var altKey = hyphenate(key);
          {
            var keyInLowerCase = key.toLowerCase();
            if (
              key !== keyInLowerCase &&
              attrs && hasOwn(attrs, keyInLowerCase)
            ) {
              tip(
                "Prop \"" + keyInLowerCase + "\" is passed to component " +
                (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
                " \"" + key + "\". " +
                "Note that HTML attributes are case-insensitive and camelCased " +
                "props need to use their kebab-case equivalents when using in-DOM " +
                "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
              );
            }
          }
          checkProp(res, props, key, altKey, true) ||
          checkProp(res, attrs, key, altKey, false);
        }
      }
      return res
    }
  
    function checkProp (
      res,
      hash,
      key,
      altKey,
      preserve
    ) {
      if (isDef(hash)) {
        if (hasOwn(hash, key)) {
          res[key] = hash[key];
          if (!preserve) {
            delete hash[key];
          }
          return true
        } else if (hasOwn(hash, altKey)) {
          res[key] = hash[altKey];
          if (!preserve) {
            delete hash[altKey];
          }
          return true
        }
      }
      return false
    }
  
    /*  */
  
    var SIMPLE_NORMALIZE = 1;
    var ALWAYS_NORMALIZE = 2;
  
    // wrapper function for providing a more flexible interface
    // without getting yelled at by flow
    function createElement (
      context,
      tag,
      data,
      children,
      normalizationType,
      alwaysNormalize
    ) {
      if (Array.isArray(data) || isPrimitive(data)) {
        normalizationType = children;
        children = data;
        data = undefined;
      }
      if (isTrue(alwaysNormalize)) {
        normalizationType = ALWAYS_NORMALIZE;
      }
      return _createElement(context, tag, data, children, normalizationType)
    }
  
    function _createElement (
      context,
      tag,
      data,
      children,
      normalizationType
    ) {
      if (isDef(data) && isDef((data).__ob__)) {
         warn(
          "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
          'Always create fresh vnode data objects in each render!',
          context
        );
        return createEmptyVNode()
      }
      // object syntax in v-bind
      if (isDef(data) && isDef(data.is)) {
        tag = data.is;
      }
      if (!tag) {
        // in case of component :is set to falsy value
        return createEmptyVNode()
      }
      // warn against non-primitive key
      if (
        isDef(data) && isDef(data.key) && !isPrimitive(data.key)
      ) {
        {
          warn(
            'Avoid using non-primitive value as key, ' +
            'use string/number value instead.',
            context
          );
        }
      }
      // support single function children as default scoped slot
      if (Array.isArray(children) &&
        typeof children[0] === 'function'
      ) {
        data = data || {};
        data.scopedSlots = { default: children[0] };
        children.length = 0;
      }
      if (normalizationType === ALWAYS_NORMALIZE) {
        children = normalizeChildren(children);
      } else if (normalizationType === SIMPLE_NORMALIZE) {
        children = simpleNormalizeChildren(children);
      }
      var vnode, ns;
      if (typeof tag === 'string') {
        var Ctor;
        ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
        if (config.isReservedTag(tag)) {
          // platform built-in elements
          if ( isDef(data) && isDef(data.nativeOn) && data.tag !== 'component') {
            warn(
              ("The .native modifier for v-on is only valid on components but it was used on <" + tag + ">."),
              context
            );
          }
          vnode = new VNode(
            config.parsePlatformTagName(tag), data, children,
            undefined, undefined, context
          );
        } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
          // component
          vnode = createComponent(Ctor, data, context, children, tag);
        } else {
          // unknown or unlisted namespaced elements
          // check at runtime because it may get assigned a namespace when its
          // parent normalizes children
          vnode = new VNode(
            tag, data, children,
            undefined, undefined, context
          );
        }
      } else {
        // direct component options / constructor
        vnode = createComponent(tag, data, context, children);
      }
      if (Array.isArray(vnode)) {
        return vnode
      } else if (isDef(vnode)) {
        if (isDef(ns)) { applyNS(vnode, ns); }
        if (isDef(data)) { registerDeepBindings(data); }
        return vnode
      } else {
        return createEmptyVNode()
      }
    }
  
    function applyNS (vnode, ns, force) {
      vnode.ns = ns;
      if (vnode.tag === 'foreignObject') {
        // use default namespace inside foreignObject
        ns = undefined;
        force = true;
      }
      if (isDef(vnode.children)) {
        for (var i = 0, l = vnode.children.length; i < l; i++) {
          var child = vnode.children[i];
          if (isDef(child.tag) && (
            isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
            applyNS(child, ns, force);
          }
        }
      }
    }
  
    // ref #5318
    // necessary to ensure parent re-render when deep bindings like :style and
    // :class are used on slot nodes
    function registerDeepBindings (data) {
      if (isObject(data.style)) {
        traverse(data.style);
      }
      if (isObject(data.class)) {
        traverse(data.class);
      }
    }
  
    /*  */
  
    /**
     * Runtime helper for rendering v-for lists.
     */
    function renderList (
      val,
      render
    ) {
      var ret, i, l, keys, key;
      if (Array.isArray(val) || typeof val === 'string') {
        ret = new Array(val.length);
        for (i = 0, l = val.length; i < l; i++) {
          ret[i] = render(val[i], i);
        }
      } else if (typeof val === 'number') {
        ret = new Array(val);
        for (i = 0; i < val; i++) {
          ret[i] = render(i + 1, i);
        }
      } else if (isObject(val)) {
        if (hasSymbol && val[Symbol.iterator]) {
          ret = [];
          var iterator = val[Symbol.iterator]();
          var result = iterator.next();
          while (!result.done) {
            ret.push(render(result.value, ret.length));
            result = iterator.next();
          }
        } else {
          keys = Object.keys(val);
          ret = new Array(keys.length);
          for (i = 0, l = keys.length; i < l; i++) {
            key = keys[i];
            ret[i] = render(val[key], key, i);
          }
        }
      }
      if (!isDef(ret)) {
        ret = [];
      }
      (ret)._isVList = true;
      return ret
    }
  
    /*  */
  
    /**
     * Runtime helper for rendering <slot>
     */
    function renderSlot (
      name,
      fallbackRender,
      props,
      bindObject
    ) {
      var scopedSlotFn = this.$scopedSlots[name];
      var nodes;
      if (scopedSlotFn) {
        // scoped slot
        props = props || {};
        if (bindObject) {
          if ( !isObject(bindObject)) {
            warn('slot v-bind without argument expects an Object', this);
          }
          props = extend(extend({}, bindObject), props);
        }
        nodes =
          scopedSlotFn(props) ||
          (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
      } else {
        nodes =
          this.$slots[name] ||
          (typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
      }
  
      var target = props && props.slot;
      if (target) {
        return this.$createElement('template', { slot: target }, nodes)
      } else {
        return nodes
      }
    }
  
    /*  */
  
    /**
     * Runtime helper for resolving filters
     */
    function resolveFilter (id) {
      return resolveAsset(this.$options, 'filters', id, true) || identity
    }
  
    /*  */
  
    function isKeyNotMatch (expect, actual) {
      if (Array.isArray(expect)) {
        return expect.indexOf(actual) === -1
      } else {
        return expect !== actual
      }
    }
  
    /**
     * Runtime helper for checking keyCodes from config.
     * exposed as Vue.prototype._k
     * passing in eventKeyName as last argument separately for backwards compat
     */
    function checkKeyCodes (
      eventKeyCode,
      key,
      builtInKeyCode,
      eventKeyName,
      builtInKeyName
    ) {
      var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
      if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
        return isKeyNotMatch(builtInKeyName, eventKeyName)
      } else if (mappedKeyCode) {
        return isKeyNotMatch(mappedKeyCode, eventKeyCode)
      } else if (eventKeyName) {
        return hyphenate(eventKeyName) !== key
      }
      return eventKeyCode === undefined
    }
  
    /*  */
  
    /**
     * Runtime helper for merging v-bind="object" into a VNode's data.
     */
    function bindObjectProps (
      data,
      tag,
      value,
      asProp,
      isSync
    ) {
      if (value) {
        if (!isObject(value)) {
           warn(
            'v-bind without argument expects an Object or Array value',
            this
          );
        } else {
          if (Array.isArray(value)) {
            value = toObject(value);
          }
          var hash;
          var loop = function ( key ) {
            if (
              key === 'class' ||
              key === 'style' ||
              isReservedAttribute(key)
            ) {
              hash = data;
            } else {
              var type = data.attrs && data.attrs.type;
              hash = asProp || config.mustUseProp(tag, type, key)
                ? data.domProps || (data.domProps = {})
                : data.attrs || (data.attrs = {});
            }
            var camelizedKey = camelize(key);
            var hyphenatedKey = hyphenate(key);
            if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
              hash[key] = value[key];
  
              if (isSync) {
                var on = data.on || (data.on = {});
                on[("update:" + key)] = function ($event) {
                  value[key] = $event;
                };
              }
            }
          };
  
          for (var key in value) loop( key );
        }
      }
      return data
    }
  
    /*  */
  
    /**
     * Runtime helper for rendering static trees.
     */
    function renderStatic (
      index,
      isInFor
    ) {
      var cached = this._staticTrees || (this._staticTrees = []);
      var tree = cached[index];
      // if has already-rendered static tree and not inside v-for,
      // we can reuse the same tree.
      if (tree && !isInFor) {
        return tree
      }
      // otherwise, render a fresh tree.
      tree = cached[index] = this.$options.staticRenderFns[index].call(
        this._renderProxy,
        null,
        this // for render fns generated for functional component templates
      );
      markStatic(tree, ("__static__" + index), false);
      return tree
    }
  
    /**
     * Runtime helper for v-once.
     * Effectively it means marking the node as static with a unique key.
     */
    function markOnce (
      tree,
      index,
      key
    ) {
      markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
      return tree
    }
  
    function markStatic (
      tree,
      key,
      isOnce
    ) {
      if (Array.isArray(tree)) {
        for (var i = 0; i < tree.length; i++) {
          if (tree[i] && typeof tree[i] !== 'string') {
            markStaticNode(tree[i], (key + "_" + i), isOnce);
          }
        }
      } else {
        markStaticNode(tree, key, isOnce);
      }
    }
  
    function markStaticNode (node, key, isOnce) {
      node.isStatic = true;
      node.key = key;
      node.isOnce = isOnce;
    }
  
    /*  */
  
    function bindObjectListeners (data, value) {
      if (value) {
        if (!isPlainObject(value)) {
           warn(
            'v-on without argument expects an Object value',
            this
          );
        } else {
          var on = data.on = data.on ? extend({}, data.on) : {};
          for (var key in value) {
            var existing = on[key];
            var ours = value[key];
            on[key] = existing ? [].concat(existing, ours) : ours;
          }
        }
      }
      return data
    }
  
    /*  */
  
    function resolveScopedSlots (
      fns, // see flow/vnode
      res,
      // the following are added in 2.6
      hasDynamicKeys,
      contentHashKey
    ) {
      res = res || { $stable: !hasDynamicKeys };
      for (var i = 0; i < fns.length; i++) {
        var slot = fns[i];
        if (Array.isArray(slot)) {
          resolveScopedSlots(slot, res, hasDynamicKeys);
        } else if (slot) {
          // marker for reverse proxying v-slot without scope on this.$slots
          if (slot.proxy) {
            slot.fn.proxy = true;
          }
          res[slot.key] = slot.fn;
        }
      }
      if (contentHashKey) {
        (res).$key = contentHashKey;
      }
      return res
    }
  
    /*  */
  
    function bindDynamicKeys (baseObj, values) {
      for (var i = 0; i < values.length; i += 2) {
        var key = values[i];
        if (typeof key === 'string' && key) {
          baseObj[values[i]] = values[i + 1];
        } else if ( key !== '' && key !== null) {
          // null is a special value for explicitly removing a binding
          warn(
            ("Invalid value for dynamic directive argument (expected string or null): " + key),
            this
          );
        }
      }
      return baseObj
    }
  
    // helper to dynamically append modifier runtime markers to event names.
    // ensure only append when value is already string, otherwise it will be cast
    // to string and cause the type check to miss.
    function prependModifier (value, symbol) {
      return typeof value === 'string' ? symbol + value : value
    }
  
    /*  */
  
    function installRenderHelpers (target) {
      target._o = markOnce;
      target._n = toNumber;
      target._s = toString;
      target._l = renderList;
      target._t = renderSlot;
      target._q = looseEqual;
      target._i = looseIndexOf;
      target._m = renderStatic;
      target._f = resolveFilter;
      target._k = checkKeyCodes;
      target._b = bindObjectProps;
      target._v = createTextVNode;
      target._e = createEmptyVNode;
      target._u = resolveScopedSlots;
      target._g = bindObjectListeners;
      target._d = bindDynamicKeys;
      target._p = prependModifier;
    }
  
    /*  */
  
  
  
    /**
     * Runtime helper for resolving raw children VNodes into a slot object.
     */
    function resolveSlots (
      children,
      context
    ) {
      if (!children || !children.length) {
        return {}
      }
      var slots = {};
      for (var i = 0, l = children.length; i < l; i++) {
        var child = children[i];
        var data = child.data;
        // remove slot attribute if the node is resolved as a Vue slot node
        if (data && data.attrs && data.attrs.slot) {
          delete data.attrs.slot;
        }
        // named slots should only be respected if the vnode was rendered in the
        // same context.
        if ((child.context === context || child.fnContext === context) &&
          data && data.slot != null
        ) {
          var name = data.slot;
          var slot = (slots[name] || (slots[name] = []));
          if (child.tag === 'template') {
            slot.push.apply(slot, child.children || []);
          } else {
            slot.push(child);
          }
        } else {
          (slots.default || (slots.default = [])).push(child);
        }
      }
      // ignore slots that contains only whitespace
      for (var name$1 in slots) {
        if (slots[name$1].every(isWhitespace)) {
          delete slots[name$1];
        }
      }
      return slots
    }
  
    function isWhitespace (node) {
      return (node.isComment && !node.asyncFactory) || node.text === ' '
    }
  
    /*  */
  
    function isAsyncPlaceholder (node) {
      return node.isComment && node.asyncFactory
    }
  
    /*  */
  
    function normalizeScopedSlots (
      slots,
      normalSlots,
      prevSlots
    ) {
      var res;
      var hasNormalSlots = Object.keys(normalSlots).length > 0;
      var isStable = slots ? !!slots.$stable : !hasNormalSlots;
      var key = slots && slots.$key;
      if (!slots) {
        res = {};
      } else if (slots._normalized) {
        // fast path 1: child component re-render only, parent did not change
        return slots._normalized
      } else if (
        isStable &&
        prevSlots &&
        prevSlots !== emptyObject &&
        key === prevSlots.$key &&
        !hasNormalSlots &&
        !prevSlots.$hasNormal
      ) {
        // fast path 2: stable scoped slots w/ no normal slots to proxy,
        // only need to normalize once
        return prevSlots
      } else {
        res = {};
        for (var key$1 in slots) {
          if (slots[key$1] && key$1[0] !== '$') {
            res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
          }
        }
      }
      // expose normal slots on scopedSlots
      for (var key$2 in normalSlots) {
        if (!(key$2 in res)) {
          res[key$2] = proxyNormalSlot(normalSlots, key$2);
        }
      }
      // avoriaz seems to mock a non-extensible $scopedSlots object
      // and when that is passed down this would cause an error
      if (slots && Object.isExtensible(slots)) {
        (slots)._normalized = res;
      }
      def(res, '$stable', isStable);
      def(res, '$key', key);
      def(res, '$hasNormal', hasNormalSlots);
      return res
    }
  
    function normalizeScopedSlot(normalSlots, key, fn) {
      var normalized = function () {
        var res = arguments.length ? fn.apply(null, arguments) : fn({});
        res = res && typeof res === 'object' && !Array.isArray(res)
          ? [res] // single vnode
          : normalizeChildren(res);
        var vnode = res && res[0];
        return res && (
          !vnode ||
          (res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode)) // #9658, #10391
        ) ? undefined
          : res
      };
      // this is a slot using the new v-slot syntax without scope. although it is
      // compiled as a scoped slot, render fn users would expect it to be present
      // on this.$slots because the usage is semantically a normal slot.
      if (fn.proxy) {
        Object.defineProperty(normalSlots, key, {
          get: normalized,
          enumerable: true,
          configurable: true
        });
      }
      return normalized
    }
  
    function proxyNormalSlot(slots, key) {
      return function () { return slots[key]; }
    }
  
    /*  */
  
    function createAsyncPlaceholder (
      factory,
      data,
      context,
      children,
      tag
    ) {
      var node = createEmptyVNode();
      node.asyncFactory = factory;
      node.asyncMeta = { data: data, context: context, children: children, tag: tag };
      return node
    }
  
    function resolveAsyncComponent (
      factory,
      baseCtor
    ) {
      if (isTrue(factory.error) && isDef(factory.errorComp)) {
        return factory.errorComp
      }
  
      if (isDef(factory.resolved)) {
        return factory.resolved
      }
  
      if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
        return factory.loadingComp
      }
    }
  
    /*  */
  
    var target;
  
    function add (event, fn) {
      target.$on(event, fn);
    }
  
    function remove$1 (event, fn) {
      target.$off(event, fn);
    }
  
    function createOnceHandler (event, fn) {
      var _target = target;
      return function onceHandler () {
        var res = fn.apply(null, arguments);
        if (res !== null) {
          _target.$off(event, onceHandler);
        }
      }
    }
  
    function updateComponentListeners (
      vm,
      listeners,
      oldListeners
    ) {
      target = vm;
      updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
      target = undefined;
    }
  
    /*  */
  
    var activeInstance = null;
  
    function updateChildComponent (
      vm,
      propsData,
      listeners,
      parentVnode,
      renderChildren
    ) {
  
      // determine whether component has slot children
      // we need to do this before overwriting $options._renderChildren.
  
      // check if there are dynamic scopedSlots (hand-written or compiled but with
      // dynamic slot names). Static scoped slots compiled from template has the
      // "$stable" marker.
      var newScopedSlots = parentVnode.data.scopedSlots;
      var oldScopedSlots = vm.$scopedSlots;
      var hasDynamicScopedSlot = !!(
        (newScopedSlots && !newScopedSlots.$stable) ||
        (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
        (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key) ||
        (!newScopedSlots && vm.$scopedSlots.$key)
      );
  
      // Any static slot children from the parent may have changed during parent's
      // update. Dynamic scoped slots may also have changed. In such cases, a forced
      // update is necessary to ensure correctness.
      var needsForceUpdate = !!(
        renderChildren ||               // has new static slots
        vm.$options._renderChildren ||  // has old static slots
        hasDynamicScopedSlot
      );
  
      vm.$options._parentVnode = parentVnode;
      vm.$vnode = parentVnode; // update vm's placeholder node without re-render
  
      if (vm._vnode) { // update child tree's parent
        vm._vnode.parent = parentVnode;
      }
      vm.$options._renderChildren = renderChildren;
  
      // update $attrs and $listeners hash
      // these are also reactive so they may trigger child update if the child
      // used them during render
      vm.$attrs = parentVnode.data.attrs || emptyObject;
      vm.$listeners = listeners || emptyObject;
  
      // update props
      if (propsData && vm.$options.props) {
        toggleObserving(false);
        var props = vm._props;
        var propKeys = vm.$options._propKeys || [];
        for (var i = 0; i < propKeys.length; i++) {
          var key = propKeys[i];
          var propOptions = vm.$options.props; // wtf flow?
          props[key] = validateProp(key, propOptions, propsData, vm);
        }
        toggleObserving(true);
        // keep a copy of raw propsData
        vm.$options.propsData = propsData;
      }
  
      // update listeners
      listeners = listeners || emptyObject;
      var oldListeners = vm.$options._parentListeners;
      vm.$options._parentListeners = listeners;
      updateComponentListeners(vm, listeners, oldListeners);
  
      // resolve slots + force update if has children
      if (needsForceUpdate) {
        vm.$slots = resolveSlots(renderChildren, parentVnode.context);
        vm.$forceUpdate();
      }
    }
  
    function isInInactiveTree (vm) {
      while (vm && (vm = vm.$parent)) {
        if (vm._inactive) { return true }
      }
      return false
    }
  
    function activateChildComponent (vm, direct) {
      if (direct) {
        vm._directInactive = false;
        if (isInInactiveTree(vm)) {
          return
        }
      } else if (vm._directInactive) {
        return
      }
      if (vm._inactive || vm._inactive === null) {
        vm._inactive = false;
        for (var i = 0; i < vm.$children.length; i++) {
          activateChildComponent(vm.$children[i]);
        }
        callHook(vm, 'activated');
      }
    }
  
    function deactivateChildComponent (vm, direct) {
      if (direct) {
        vm._directInactive = true;
        if (isInInactiveTree(vm)) {
          return
        }
      }
      if (!vm._inactive) {
        vm._inactive = true;
        for (var i = 0; i < vm.$children.length; i++) {
          deactivateChildComponent(vm.$children[i]);
        }
        callHook(vm, 'deactivated');
      }
    }
  
    function callHook (vm, hook) {
      // #7573 disable dep collection when invoking lifecycle hooks
      pushTarget();
      var handlers = vm.$options[hook];
      var info = hook + " hook";
      if (handlers) {
        for (var i = 0, j = handlers.length; i < j; i++) {
          invokeWithErrorHandling(handlers[i], vm, null, vm, info);
        }
      }
      if (vm._hasHookEvent) {
        vm.$emit('hook:' + hook);
      }
      popTarget();
    }
  
    /*  */
  
    // Async edge case fix requires storing an event listener's attach timestamp.
    var getNow = Date.now;
  
    // Determine what event timestamp the browser is using. Annoyingly, the
    // timestamp can either be hi-res (relative to page load) or low-res
    // (relative to UNIX epoch), so in order to compare time we have to use the
    // same timestamp type when saving the flush timestamp.
    // All IE versions use low-res event timestamps, and have problematic clock
    // implementations (#9632)
    if (inBrowser && !isIE) {
      var performance = window.performance;
      if (
        performance &&
        typeof performance.now === 'function' &&
        getNow() > document.createEvent('Event').timeStamp
      ) {
        // if the event timestamp, although evaluated AFTER the Date.now(), is
        // smaller than it, it means the event is using a hi-res timestamp,
        // and we need to use the hi-res version for event listener timestamps as
        // well.
        getNow = function () { return performance.now(); };
      }
    }
  
    /**
     * Queue a kept-alive component that was activated during patch.
     * The queue will be processed after the entire tree has been patched.
     */
    function queueActivatedComponent (vm) {
      // setting _inactive to false here so that a render function can
      // rely on checking whether it's in an inactive tree (e.g. router-view)
      vm._inactive = false;
    }
  
    /*  */
  
    function resolveInject (inject, vm) {
      if (inject) {
        // inject is :any because flow is not smart enough to figure out cached
        var result = Object.create(null);
        var keys = hasSymbol
          ? Reflect.ownKeys(inject)
          : Object.keys(inject);
  
        for (var i = 0; i < keys.length; i++) {
          var key = keys[i];
          // #6574 in case the inject object is observed...
          if (key === '__ob__') { continue }
          var provideKey = inject[key].from;
          var source = vm;
          while (source) {
            if (source._provided && hasOwn(source._provided, provideKey)) {
              result[key] = source._provided[provideKey];
              break
            }
            source = source.$parent;
          }
          if (!source) {
            if ('default' in inject[key]) {
              var provideDefault = inject[key].default;
              result[key] = typeof provideDefault === 'function'
                ? provideDefault.call(vm)
                : provideDefault;
            } else {
              warn(("Injection \"" + key + "\" not found"), vm);
            }
          }
        }
        return result
      }
    }
  
    /*  */
  
    function resolveConstructorOptions (Ctor) {
      var options = Ctor.options;
      if (Ctor.super) {
        var superOptions = resolveConstructorOptions(Ctor.super);
        var cachedSuperOptions = Ctor.superOptions;
        if (superOptions !== cachedSuperOptions) {
          // super option changed,
          // need to resolve new options.
          Ctor.superOptions = superOptions;
          // check if there are any late-modified/attached options (#4976)
          var modifiedOptions = resolveModifiedOptions(Ctor);
          // update base extend options
          if (modifiedOptions) {
            extend(Ctor.extendOptions, modifiedOptions);
          }
          options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
          if (options.name) {
            options.components[options.name] = Ctor;
          }
        }
      }
      return options
    }
  
    function resolveModifiedOptions (Ctor) {
      var modified;
      var latest = Ctor.options;
      var sealed = Ctor.sealedOptions;
      for (var key in latest) {
        if (latest[key] !== sealed[key]) {
          if (!modified) { modified = {}; }
          modified[key] = latest[key];
        }
      }
      return modified
    }
  
    /*  */
  
    function FunctionalRenderContext (
      data,
      props,
      children,
      parent,
      Ctor
    ) {
      var this$1 = this;
  
      var options = Ctor.options;
      // ensure the createElement function in functional components
      // gets a unique context - this is necessary for correct named slot check
      var contextVm;
      if (hasOwn(parent, '_uid')) {
        contextVm = Object.create(parent);
        // $flow-disable-line
        contextVm._original = parent;
      } else {
        // the context vm passed in is a functional context as well.
        // in this case we want to make sure we are able to get a hold to the
        // real context instance.
        contextVm = parent;
        // $flow-disable-line
        parent = parent._original;
      }
      var isCompiled = isTrue(options._compiled);
      var needNormalization = !isCompiled;
  
      this.data = data;
      this.props = props;
      this.children = children;
      this.parent = parent;
      this.listeners = data.on || emptyObject;
      this.injections = resolveInject(options.inject, parent);
      this.slots = function () {
        if (!this$1.$slots) {
          normalizeScopedSlots(
            data.scopedSlots,
            this$1.$slots = resolveSlots(children, parent)
          );
        }
        return this$1.$slots
      };
  
      Object.defineProperty(this, 'scopedSlots', ({
        enumerable: true,
        get: function get () {
          return normalizeScopedSlots(data.scopedSlots, this.slots())
        }
      }));
  
      // support for compiled functional template
      if (isCompiled) {
        // exposing $options for renderStatic()
        this.$options = options;
        // pre-resolve slots for renderSlot()
        this.$slots = this.slots();
        this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
      }
  
      if (options._scopeId) {
        this._c = function (a, b, c, d) {
          var vnode = createElement(contextVm, a, b, c, d, needNormalization);
          if (vnode && !Array.isArray(vnode)) {
            vnode.fnScopeId = options._scopeId;
            vnode.fnContext = parent;
          }
          return vnode
        };
      } else {
        this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
      }
    }
  
    installRenderHelpers(FunctionalRenderContext.prototype);
  
    function createFunctionalComponent (
      Ctor,
      propsData,
      data,
      contextVm,
      children
    ) {
      var options = Ctor.options;
      var props = {};
      var propOptions = options.props;
      if (isDef(propOptions)) {
        for (var key in propOptions) {
          props[key] = validateProp(key, propOptions, propsData || emptyObject);
        }
      } else {
        if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
        if (isDef(data.props)) { mergeProps(props, data.props); }
      }
  
      var renderContext = new FunctionalRenderContext(
        data,
        props,
        children,
        contextVm,
        Ctor
      );
  
      var vnode = options.render.call(null, renderContext._c, renderContext);
  
      if (vnode instanceof VNode) {
        return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
      } else if (Array.isArray(vnode)) {
        var vnodes = normalizeChildren(vnode) || [];
        var res = new Array(vnodes.length);
        for (var i = 0; i < vnodes.length; i++) {
          res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
        }
        return res
      }
    }
  
    function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
      // #7817 clone node before setting fnContext, otherwise if the node is reused
      // (e.g. it was from a cached normal slot) the fnContext causes named slots
      // that should not be matched to match.
      var clone = cloneVNode(vnode);
      clone.fnContext = contextVm;
      clone.fnOptions = options;
      {
        (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
      }
      if (data.slot) {
        (clone.data || (clone.data = {})).slot = data.slot;
      }
      return clone
    }
  
    function mergeProps (to, from) {
      for (var key in from) {
        to[camelize(key)] = from[key];
      }
    }
  
    /*  */
  
    // inline hooks to be invoked on component VNodes during patch
    var componentVNodeHooks = {
      init: function init (vnode, hydrating) {
        if (
          vnode.componentInstance &&
          !vnode.componentInstance._isDestroyed &&
          vnode.data.keepAlive
        ) {
          // kept-alive components, treat as a patch
          var mountedNode = vnode; // work around flow
          componentVNodeHooks.prepatch(mountedNode, mountedNode);
        } else {
          var child = vnode.componentInstance = createComponentInstanceForVnode(
            vnode,
            activeInstance
          );
          child.$mount(hydrating ? vnode.elm : undefined, hydrating);
        }
      },
  
      prepatch: function prepatch (oldVnode, vnode) {
        var options = vnode.componentOptions;
        var child = vnode.componentInstance = oldVnode.componentInstance;
        updateChildComponent(
          child,
          options.propsData, // updated props
          options.listeners, // updated listeners
          vnode, // new parent vnode
          options.children // new children
        );
      },
  
      insert: function insert (vnode) {
        var context = vnode.context;
        var componentInstance = vnode.componentInstance;
        if (!componentInstance._isMounted) {
          componentInstance._isMounted = true;
          callHook(componentInstance, 'mounted');
        }
        if (vnode.data.keepAlive) {
          if (context._isMounted) {
            // vue-router#1212
            // During updates, a kept-alive component's child components may
            // change, so directly walking the tree here may call activated hooks
            // on incorrect children. Instead we push them into a queue which will
            // be processed after the whole patch process ended.
            queueActivatedComponent(componentInstance);
          } else {
            activateChildComponent(componentInstance, true /* direct */);
          }
        }
      },
  
      destroy: function destroy (vnode) {
        var componentInstance = vnode.componentInstance;
        if (!componentInstance._isDestroyed) {
          if (!vnode.data.keepAlive) {
            componentInstance.$destroy();
          } else {
            deactivateChildComponent(componentInstance, true /* direct */);
          }
        }
      }
    };
  
    var hooksToMerge = Object.keys(componentVNodeHooks);
  
    function createComponent (
      Ctor,
      data,
      context,
      children,
      tag
    ) {
      if (isUndef(Ctor)) {
        return
      }
  
      var baseCtor = context.$options._base;
  
      // plain options object: turn it into a constructor
      if (isObject(Ctor)) {
        Ctor = baseCtor.extend(Ctor);
      }
  
      // if at this stage it's not a constructor or an async component factory,
      // reject.
      if (typeof Ctor !== 'function') {
        {
          warn(("Invalid Component definition: " + (String(Ctor))), context);
        }
        return
      }
  
      // async component
      var asyncFactory;
      if (isUndef(Ctor.cid)) {
        asyncFactory = Ctor;
        Ctor = resolveAsyncComponent(asyncFactory);
        if (Ctor === undefined) {
          // return a placeholder node for async component, which is rendered
          // as a comment node but preserves all the raw information for the node.
          // the information will be used for async server-rendering and hydration.
          return createAsyncPlaceholder(
            asyncFactory,
            data,
            context,
            children,
            tag
          )
        }
      }
  
      data = data || {};
  
      // resolve constructor options in case global mixins are applied after
      // component constructor creation
      resolveConstructorOptions(Ctor);
  
      // transform component v-model data into props & events
      if (isDef(data.model)) {
        transformModel(Ctor.options, data);
      }
  
      // extract props
      var propsData = extractPropsFromVNodeData(data, Ctor, tag);
  
      // functional component
      if (isTrue(Ctor.options.functional)) {
        return createFunctionalComponent(Ctor, propsData, data, context, children)
      }
  
      // extract listeners, since these needs to be treated as
      // child component listeners instead of DOM listeners
      var listeners = data.on;
      // replace with listeners with .native modifier
      // so it gets processed during parent component patch.
      data.on = data.nativeOn;
  
      if (isTrue(Ctor.options.abstract)) {
        // abstract components do not keep anything
        // other than props & listeners & slot
  
        // work around flow
        var slot = data.slot;
        data = {};
        if (slot) {
          data.slot = slot;
        }
      }
  
      // install component management hooks onto the placeholder node
      installComponentHooks(data);
  
      // return a placeholder vnode
      var name = Ctor.options.name || tag;
      var vnode = new VNode(
        ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
        data, undefined, undefined, undefined, context,
        { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
        asyncFactory
      );
  
      return vnode
    }
  
    function createComponentInstanceForVnode (
      // we know it's MountedComponentVNode but flow doesn't
      vnode,
      // activeInstance in lifecycle state
      parent
    ) {
      var options = {
        _isComponent: true,
        _parentVnode: vnode,
        parent: parent
      };
      // check inline-template render functions
      var inlineTemplate = vnode.data.inlineTemplate;
      if (isDef(inlineTemplate)) {
        options.render = inlineTemplate.render;
        options.staticRenderFns = inlineTemplate.staticRenderFns;
      }
      return new vnode.componentOptions.Ctor(options)
    }
  
    function installComponentHooks (data) {
      var hooks = data.hook || (data.hook = {});
      for (var i = 0; i < hooksToMerge.length; i++) {
        var key = hooksToMerge[i];
        var existing = hooks[key];
        var toMerge = componentVNodeHooks[key];
        if (existing !== toMerge && !(existing && existing._merged)) {
          hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
        }
      }
    }
  
    function mergeHook$1 (f1, f2) {
      var merged = function (a, b) {
        // flow complains about extra args which is why we use any
        f1(a, b);
        f2(a, b);
      };
      merged._merged = true;
      return merged
    }
  
    // transform component v-model info (value and callback) into
    // prop and event handler respectively.
    function transformModel (options, data) {
      var prop = (options.model && options.model.prop) || 'value';
      var event = (options.model && options.model.event) || 'input'
      ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
      var on = data.on || (data.on = {});
      var existing = on[event];
      var callback = data.model.callback;
      if (isDef(existing)) {
        if (
          Array.isArray(existing)
            ? existing.indexOf(callback) === -1
            : existing !== callback
        ) {
          on[event] = [callback].concat(existing);
        }
      } else {
        on[event] = callback;
      }
    }
  
    /*  */
  
    var warned = Object.create(null);
    var warnOnce = function (msg) {
      if (!warned[msg]) {
        warned[msg] = true;
        // eslint-disable-next-line no-console
        console.warn(("\n\u001b[31m" + msg + "\u001b[39m\n"));
      }
    };
  
    var onCompilationError = function (err, vm) {
      var trace = vm ? generateComponentTrace(vm) : '';
      throw new Error(("\n\u001b[31m" + err + trace + "\u001b[39m\n"))
    };
  
    var normalizeRender = function (vm) {
      var ref = vm.$options;
      var render = ref.render;
      var template = ref.template;
      var _scopeId = ref._scopeId;
      if (isUndef(render)) {
        if (template) {
          var compiled = compileToFunctions(template, {
            scopeId: _scopeId,
            warn: onCompilationError
          }, vm);
  
          vm.$options.render = compiled.render;
          vm.$options.staticRenderFns = compiled.staticRenderFns;
        } else {
          throw new Error(
            ("render function or template not defined in component: " + (vm.$options.name || vm.$options._componentTag || 'anonymous'))
          )
        }
      }
    };
  
    function waitForServerPrefetch (vm, resolve, reject) {
      var handlers = vm.$options.serverPrefetch;
      if (isDef(handlers)) {
        if (!Array.isArray(handlers)) { handlers = [handlers]; }
        try {
          var promises = [];
          for (var i = 0, j = handlers.length; i < j; i++) {
            var result = handlers[i].call(vm, vm);
            if (result && typeof result.then === 'function') {
              promises.push(result);
            }
          }
          Promise.all(promises).then(resolve).catch(reject);
          return
        } catch (e) {
          reject(e);
        }
      }
      resolve();
    }
  
    function renderNode (node, isRoot, context) {
      if (node.isString) {
        renderStringNode$1(node, context);
      } else if (isDef(node.componentOptions)) {
        renderComponent(node, isRoot, context);
      } else if (isDef(node.tag)) {
        renderElement(node, isRoot, context);
      } else if (isTrue(node.isComment)) {
        if (isDef(node.asyncFactory)) {
          // async component
          renderAsyncComponent(node, isRoot, context);
        } else {
          context.write(("<!--" + (node.text) + "-->"), context.next);
        }
      } else {
        context.write(
          node.raw ? node.text : escape(String(node.text)),
          context.next
        );
      }
    }
  
    function registerComponentForCache (options, write) {
      // exposed by vue-loader, need to call this if cache hit because
      // component lifecycle hooks will not be called.
      var register = options._ssrRegister;
      if (write.caching && isDef(register)) {
        write.componentBuffer[write.componentBuffer.length - 1].add(register);
      }
      return register
    }
  
    function renderComponent (node, isRoot, context) {
      var write = context.write;
      var next = context.next;
      var userContext = context.userContext;
  
      // check cache hit
      var Ctor = node.componentOptions.Ctor;
      var getKey = Ctor.options.serverCacheKey;
      var name = Ctor.options.name;
      var cache = context.cache;
      var registerComponent = registerComponentForCache(Ctor.options, write);
  
      if (isDef(getKey) && isDef(cache) && isDef(name)) {
        var rawKey = getKey(node.componentOptions.propsData);
        if (rawKey === false) {
          renderComponentInner(node, isRoot, context);
          return
        }
        var key = name + '::' + rawKey;
        var has = context.has;
        var get = context.get;
        if (isDef(has)) {
          has(key, function (hit) {
            if (hit === true && isDef(get)) {
              get(key, function (res) {
                if (isDef(registerComponent)) {
                  registerComponent(userContext);
                }
                res.components.forEach(function (register) { return register(userContext); });
                write(res.html, next);
              });
            } else {
              renderComponentWithCache(node, isRoot, key, context);
            }
          });
        } else if (isDef(get)) {
          get(key, function (res) {
            if (isDef(res)) {
              if (isDef(registerComponent)) {
                registerComponent(userContext);
              }
              res.components.forEach(function (register) { return register(userContext); });
              write(res.html, next);
            } else {
              renderComponentWithCache(node, isRoot, key, context);
            }
          });
        }
      } else {
        if (isDef(getKey) && isUndef(cache)) {
          warnOnce(
            "[vue-server-renderer] Component " + (Ctor.options.name || '(anonymous)') + " implemented serverCacheKey, " +
            'but no cache was provided to the renderer.'
          );
        }
        if (isDef(getKey) && isUndef(name)) {
          warnOnce(
            "[vue-server-renderer] Components that implement \"serverCacheKey\" " +
            "must also define a unique \"name\" option."
          );
        }
        renderComponentInner(node, isRoot, context);
      }
    }
  
    function renderComponentWithCache (node, isRoot, key, context) {
      var write = context.write;
      write.caching = true;
      var buffer = write.cacheBuffer;
      var bufferIndex = buffer.push('') - 1;
      var componentBuffer = write.componentBuffer;
      componentBuffer.push(new Set());
      context.renderStates.push({
        type: 'ComponentWithCache',
        key: key,
        buffer: buffer,
        bufferIndex: bufferIndex,
        componentBuffer: componentBuffer
      });
      renderComponentInner(node, isRoot, context);
    }
  
    function renderComponentInner (node, isRoot, context) {
      var prevActive = context.activeInstance;
      // expose userContext on vnode
      node.ssrContext = context.userContext;
      var child = context.activeInstance = createComponentInstanceForVnode(
        node,
        context.activeInstance
      );
      normalizeRender(child);
  
      var resolve = function () {
        var childNode = child._render();
        childNode.parent = node;
        context.renderStates.push({
          type: 'Component',
          prevActive: prevActive
        });
        renderNode(childNode, isRoot, context);
      };
  
      var reject = context.done;
  
      waitForServerPrefetch(child, resolve, reject);
    }
  
    function renderAsyncComponent (node, isRoot, context) {
      var factory = node.asyncFactory;
  
      var resolve = function (comp) {
        if (comp.__esModule && comp.default) {
          comp = comp.default;
        }
        var ref = node.asyncMeta;
        var data = ref.data;
        var children = ref.children;
        var tag = ref.tag;
        var nodeContext = node.asyncMeta.context;
        var resolvedNode = createComponent(
          comp,
          data,
          nodeContext,
          children,
          tag
        );
        if (resolvedNode) {
          if (resolvedNode.componentOptions) {
            // normal component
            renderComponent(resolvedNode, isRoot, context);
          } else if (!Array.isArray(resolvedNode)) {
            // single return node from functional component
            renderNode(resolvedNode, isRoot, context);
          } else {
            // multiple return nodes from functional component
            context.renderStates.push({
              type: 'Fragment',
              children: resolvedNode,
              rendered: 0,
              total: resolvedNode.length
            });
            context.next();
          }
        } else {
          // invalid component, but this does not throw on the client
          // so render empty comment node
          context.write("<!---->", context.next);
        }
      };
  
      if (factory.resolved) {
        resolve(factory.resolved);
        return
      }
  
      var reject = context.done;
      var res;
      try {
        res = factory(resolve, reject);
      } catch (e) {
        reject(e);
      }
      if (res) {
        if (typeof res.then === 'function') {
          res.then(resolve, reject).catch(reject);
        } else {
          // new syntax in 2.3
          var comp = res.component;
          if (comp && typeof comp.then === 'function') {
            comp.then(resolve, reject).catch(reject);
          }
        }
      }
    }
  
    function renderStringNode$1 (el, context) {
      var write = context.write;
      var next = context.next;
      if (isUndef(el.children) || el.children.length === 0) {
        write(el.open + (el.close || ''), next);
      } else {
        var children = el.children;
        context.renderStates.push({
          type: 'Element',
          children: children,
          rendered: 0,
          total: children.length,
          endTag: el.close
        });
        write(el.open, next);
      }
    }
  
    function renderElement (el, isRoot, context) {
      var write = context.write;
      var next = context.next;
  
      if (isTrue(isRoot)) {
        if (!el.data) { el.data = {}; }
        if (!el.data.attrs) { el.data.attrs = {}; }
        el.data.attrs[SSR_ATTR] = 'true';
      }
  
      if (el.fnOptions) {
        registerComponentForCache(el.fnOptions, write);
      }
  
      var startTag = renderStartingTag(el, context);
      var endTag = "</" + (el.tag) + ">";
      if (context.isUnaryTag(el.tag)) {
        write(startTag, next);
      } else if (isUndef(el.children) || el.children.length === 0) {
        write(startTag + endTag, next);
      } else {
        var children = el.children;
        context.renderStates.push({
          type: 'Element',
          children: children,
          rendered: 0,
          total: children.length,
          endTag: endTag
        });
        write(startTag, next);
      }
    }
  
    function hasAncestorData (node) {
      var parentNode = node.parent;
      return isDef(parentNode) && (isDef(parentNode.data) || hasAncestorData(parentNode))
    }
  
    function getVShowDirectiveInfo (node) {
      var dir;
      var tmp;
  
      while (isDef(node)) {
        if (node.data && node.data.directives) {
          tmp = node.data.directives.find(function (dir) { return dir.name === 'show'; });
          if (tmp) {
            dir = tmp;
          }
        }
        node = node.parent;
      }
      return dir
    }
  
    function renderStartingTag (node, context) {
      var markup = "<" + (node.tag);
      var directives = context.directives;
      var modules = context.modules;
  
      // construct synthetic data for module processing
      // because modules like style also produce code by parent VNode data
      if (isUndef(node.data) && hasAncestorData(node)) {
        node.data = {};
      }
      if (isDef(node.data)) {
        // check directives
        var dirs = node.data.directives;
        if (dirs) {
          for (var i = 0; i < dirs.length; i++) {
            var name = dirs[i].name;
            if (name !== 'show') {
              var dirRenderer = resolveAsset(context, 'directives', name);
              if (dirRenderer) {
                // directives mutate the node's data
                // which then gets rendered by modules
                dirRenderer(node, dirs[i]);
              }
            }
          }
        }
  
        // v-show directive needs to be merged from parent to child
        var vshowDirectiveInfo = getVShowDirectiveInfo(node);
        if (vshowDirectiveInfo) {
          directives.show(node, vshowDirectiveInfo);
        }
  
        // apply other modules
        for (var i$1 = 0; i$1 < modules.length; i$1++) {
          var res = modules[i$1](node);
          if (res) {
            markup += res;
          }
        }
      }
      // attach scoped CSS ID
      var scopeId;
      var activeInstance = context.activeInstance;
      if (isDef(activeInstance) &&
        activeInstance !== node.context &&
        isDef(scopeId = activeInstance.$options._scopeId)
      ) {
        markup += " " + ((scopeId));
      }
      if (isDef(node.fnScopeId)) {
        markup += " " + (node.fnScopeId);
      } else {
        while (isDef(node)) {
          if (isDef(scopeId = node.context.$options._scopeId)) {
            markup += " " + scopeId;
          }
          node = node.parent;
        }
      }
      return markup + '>'
    }
  
    function createRenderFunction (
      modules,
      directives,
      isUnaryTag,
      cache
    ) {
      return function render (
        component,
        write,
        userContext,
        done
      ) {
        warned = Object.create(null);
        var context = new RenderContext({
          activeInstance: component,
          userContext: userContext,
          write: write, done: done, renderNode: renderNode,
          isUnaryTag: isUnaryTag, modules: modules, directives: directives,
          cache: cache
        });
        installSSRHelpers(component);
        normalizeRender(component);
  
        var resolve = function () {
          renderNode(component._render(), true, context);
        };
        waitForServerPrefetch(component, resolve, done);
      }
    }
  
    /*  */
  
  
    function createBasicRenderer (ref) {
      if ( ref === void 0 ) ref = {};
      var modules = ref.modules; if ( modules === void 0 ) modules = [];
      var directives = ref.directives; if ( directives === void 0 ) directives = {};
      var isUnaryTag = ref.isUnaryTag; if ( isUnaryTag === void 0 ) isUnaryTag = (function () { return false; });
      var cache = ref.cache;
  
      var render = createRenderFunction(modules, directives, isUnaryTag, cache);
  
      return function renderToString (
        component,
        context,
        done
      ) {
        if (typeof context === 'function') {
          done = context;
          context = {};
        }
        var result = '';
        var write = createWriteFunction(function (text) {
          result += text;
          return false
        }, done);
        try {
          render(component, write, context, function () {
            done(null, result);
          });
        } catch (e) {
          done(e);
        }
      }
    }
  
    /*  */
  
    var entryServerBasicRenderer = createBasicRenderer({
      modules: modules,
      directives: directives,
      isUnaryTag: isUnaryTag,
      canBeLeftOpenTag: canBeLeftOpenTag
    });
  
    return entryServerBasicRenderer;
  
  })));
  