An error occurred:
'\n + escape(e.message + '', true)\n + '';\n }\n throw e;\n }\n}\n\n/**\n * Options\n */\n\nmarked.options =\nmarked.setOptions = function(opt) {\n merge(marked.defaults, opt);\n return marked;\n};\n\nmarked.defaults = {\n gfm: true,\n tables: true,\n breaks: false,\n pedantic: false,\n sanitize: false,\n sanitizer: null,\n mangle: true,\n smartLists: false,\n silent: false,\n highlight: null,\n langPrefix: 'lang-',\n smartypants: false,\n headerPrefix: '',\n renderer: new Renderer(),\n xhtml: false,\n baseUrl: null\n};\n\n/**\n * Expose\n */\n\nmarked.Parser = Parser;\nmarked.parser = Parser.parse;\n\nmarked.Renderer = Renderer;\nmarked.TextRenderer = TextRenderer;\n\nmarked.Lexer = Lexer;\nmarked.lexer = Lexer.lex;\n\nmarked.InlineLexer = InlineLexer;\nmarked.inlineLexer = InlineLexer.output;\n\nmarked.parse = marked;\n\nif (true) {\n module.exports = marked;\n} else if (typeof define === 'function' && define.amd) {\n define(function() { return marked; });\n} else {\n root.marked = marked;\n}\n})(this || (typeof window !== 'undefined' ? window : global));\n\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(23)))\n\n/***/ }),\n/* 42 */,\n/* 43 */,\n/* 44 */,\n/* 45 */,\n/* 46 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(global) {/*!\n * Vue.js v2.4.2\n * (c) 2014-2017 Evan You\n * Released under the MIT License.\n */\n/* */\n\n// these helpers produces better vm code in JS engines due to their\n// explicitness and function inlining\nfunction isUndef (v) {\n return v === undefined || v === null\n}\n\nfunction isDef (v) {\n return v !== undefined && v !== null\n}\n\nfunction isTrue (v) {\n return v === true\n}\n\nfunction isFalse (v) {\n return v === false\n}\n\n/**\n * Check if value is primitive\n */\nfunction isPrimitive (value) {\n return (\n typeof value === 'string' ||\n typeof value === 'number' ||\n typeof value === 'boolean'\n )\n}\n\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\nfunction isObject (obj) {\n return obj !== null && typeof obj === 'object'\n}\n\nvar _toString = Object.prototype.toString;\n\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\nfunction isPlainObject (obj) {\n return _toString.call(obj) === '[object Object]'\n}\n\nfunction isRegExp (v) {\n return _toString.call(v) === '[object RegExp]'\n}\n\n/**\n * Check if val is a valid array index.\n */\nfunction isValidArrayIndex (val) {\n var n = parseFloat(val);\n return n >= 0 && Math.floor(n) === n && isFinite(val)\n}\n\n/**\n * Convert a value to a string that is actually rendered.\n */\nfunction toString (val) {\n return val == null\n ? ''\n : typeof val === 'object'\n ? JSON.stringify(val, null, 2)\n : String(val)\n}\n\n/**\n * Convert a input value to a number for persistence.\n * If the conversion fails, return original string.\n */\nfunction toNumber (val) {\n var n = parseFloat(val);\n return isNaN(n) ? val : n\n}\n\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\nfunction makeMap (\n str,\n expectsLowerCase\n) {\n var map = Object.create(null);\n var list = str.split(',');\n for (var i = 0; i < list.length; i++) {\n map[list[i]] = true;\n }\n return expectsLowerCase\n ? function (val) { return map[val.toLowerCase()]; }\n : function (val) { return map[val]; }\n}\n\n/**\n * Check if a tag is a built-in tag.\n */\nvar isBuiltInTag = makeMap('slot,component', true);\n\n/**\n * Check if a attribute is a reserved attribute.\n */\nvar isReservedAttribute = makeMap('key,ref,slot,is');\n\n/**\n * Remove an item from an array\n */\nfunction remove (arr, item) {\n if (arr.length) {\n var index = arr.indexOf(item);\n if (index > -1) {\n return arr.splice(index, 1)\n }\n }\n}\n\n/**\n * Check whether the object has the property.\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwn (obj, key) {\n return hasOwnProperty.call(obj, key)\n}\n\n/**\n * Create a cached version of a pure function.\n */\nfunction cached (fn) {\n var cache = Object.create(null);\n return (function cachedFn (str) {\n var hit = cache[str];\n return hit || (cache[str] = fn(str))\n })\n}\n\n/**\n * Camelize a hyphen-delimited string.\n */\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })\n});\n\n/**\n * Capitalize a string.\n */\nvar capitalize = cached(function (str) {\n return str.charAt(0).toUpperCase() + str.slice(1)\n});\n\n/**\n * Hyphenate a camelCase string.\n */\nvar hyphenateRE = /([^-])([A-Z])/g;\nvar hyphenate = cached(function (str) {\n return str\n .replace(hyphenateRE, '$1-$2')\n .replace(hyphenateRE, '$1-$2')\n .toLowerCase()\n});\n\n/**\n * Simple bind, faster than native\n */\nfunction bind (fn, ctx) {\n function boundFn (a) {\n var l = arguments.length;\n return l\n ? l > 1\n ? fn.apply(ctx, arguments)\n : fn.call(ctx, a)\n : fn.call(ctx)\n }\n // record original fn length\n boundFn._length = fn.length;\n return boundFn\n}\n\n/**\n * Convert an Array-like object to a real Array.\n */\nfunction toArray (list, start) {\n start = start || 0;\n var i = list.length - start;\n var ret = new Array(i);\n while (i--) {\n ret[i] = list[i + start];\n }\n return ret\n}\n\n/**\n * Mix properties into target object.\n */\nfunction extend (to, _from) {\n for (var key in _from) {\n to[key] = _from[key];\n }\n return to\n}\n\n/**\n * Merge an Array of Objects into a single Object.\n */\nfunction toObject (arr) {\n var res = {};\n for (var i = 0; i < arr.length; i++) {\n if (arr[i]) {\n extend(res, arr[i]);\n }\n }\n return res\n}\n\n/**\n * Perform no operation.\n * Stubbing args to make Flow happy without leaving useless transpiled code\n * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/)\n */\nfunction noop (a, b, c) {}\n\n/**\n * Always return false.\n */\nvar no = function (a, b, c) { return false; };\n\n/**\n * Return same value\n */\nvar identity = function (_) { return _; };\n\n/**\n * Generate a static keys string from compiler modules.\n */\n\n\n/**\n * Check if two values are loosely equal - that is,\n * if they are plain objects, do they have the same shape?\n */\nfunction looseEqual (a, b) {\n if (a === b) { return true }\n var isObjectA = isObject(a);\n var isObjectB = isObject(b);\n if (isObjectA && isObjectB) {\n try {\n var isArrayA = Array.isArray(a);\n var isArrayB = Array.isArray(b);\n if (isArrayA && isArrayB) {\n return a.length === b.length && a.every(function (e, i) {\n return looseEqual(e, b[i])\n })\n } else if (!isArrayA && !isArrayB) {\n var keysA = Object.keys(a);\n var keysB = Object.keys(b);\n return keysA.length === keysB.length && keysA.every(function (key) {\n return looseEqual(a[key], b[key])\n })\n } else {\n /* istanbul ignore next */\n return false\n }\n } catch (e) {\n /* istanbul ignore next */\n return false\n }\n } else if (!isObjectA && !isObjectB) {\n return String(a) === String(b)\n } else {\n return false\n }\n}\n\nfunction looseIndexOf (arr, val) {\n for (var i = 0; i < arr.length; i++) {\n if (looseEqual(arr[i], val)) { return i }\n }\n return -1\n}\n\n/**\n * Ensure a function is called only once.\n */\nfunction once (fn) {\n var called = false;\n return function () {\n if (!called) {\n called = true;\n fn.apply(this, arguments);\n }\n }\n}\n\nvar SSR_ATTR = 'data-server-rendered';\n\nvar ASSET_TYPES = [\n 'component',\n 'directive',\n 'filter'\n];\n\nvar LIFECYCLE_HOOKS = [\n 'beforeCreate',\n 'created',\n 'beforeMount',\n 'mounted',\n 'beforeUpdate',\n 'updated',\n 'beforeDestroy',\n 'destroyed',\n 'activated',\n 'deactivated'\n];\n\n/* */\n\nvar config = ({\n /**\n * Option merge strategies (used in core/util/options)\n */\n optionMergeStrategies: Object.create(null),\n\n /**\n * Whether to suppress warnings.\n */\n silent: false,\n\n /**\n * Show production mode tip message on boot?\n */\n productionTip: \"production\" !== 'production',\n\n /**\n * Whether to enable devtools\n */\n devtools: \"production\" !== 'production',\n\n /**\n * Whether to record perf\n */\n performance: false,\n\n /**\n * Error handler for watcher errors\n */\n errorHandler: null,\n\n /**\n * Warn handler for watcher warns\n */\n warnHandler: null,\n\n /**\n * Ignore certain custom elements\n */\n ignoredElements: [],\n\n /**\n * Custom user key aliases for v-on\n */\n keyCodes: Object.create(null),\n\n /**\n * Check if a tag is reserved so that it cannot be registered as a\n * component. This is platform-dependent and may be overwritten.\n */\n isReservedTag: no,\n\n /**\n * Check if an attribute is reserved so that it cannot be used as a component\n * prop. This is platform-dependent and may be overwritten.\n */\n isReservedAttr: no,\n\n /**\n * Check if a tag is an unknown element.\n * Platform-dependent.\n */\n isUnknownElement: no,\n\n /**\n * Get the namespace of an element\n */\n getTagNamespace: noop,\n\n /**\n * Parse the real tag name for the specific platform.\n */\n parsePlatformTagName: identity,\n\n /**\n * Check if an attribute must be bound using property, e.g. value\n * Platform-dependent.\n */\n mustUseProp: no,\n\n /**\n * Exposed for legacy reasons\n */\n _lifecycleHooks: LIFECYCLE_HOOKS\n});\n\n/* */\n\nvar emptyObject = Object.freeze({});\n\n/**\n * Check if a string starts with $ or _\n */\nfunction isReserved (str) {\n var c = (str + '').charCodeAt(0);\n return c === 0x24 || c === 0x5F\n}\n\n/**\n * Define a property.\n */\nfunction def (obj, key, val, enumerable) {\n Object.defineProperty(obj, key, {\n value: val,\n enumerable: !!enumerable,\n writable: true,\n configurable: true\n });\n}\n\n/**\n * Parse simple path.\n */\nvar bailRE = /[^\\w.$]/;\nfunction parsePath (path) {\n if (bailRE.test(path)) {\n return\n }\n var segments = path.split('.');\n return function (obj) {\n for (var i = 0; i < segments.length; i++) {\n if (!obj) { return }\n obj = obj[segments[i]];\n }\n return obj\n }\n}\n\n/* */\n\nvar warn = noop;\nvar tip = noop;\nvar formatComponentName = (null); // work around flow check\n\nif (false) {\n var hasConsole = typeof console !== 'undefined';\n var classifyRE = /(?:^|[-_])(\\w)/g;\n var classify = function (str) { return str\n .replace(classifyRE, function (c) { return c.toUpperCase(); })\n .replace(/[-_]/g, ''); };\n\n warn = function (msg, vm) {\n var trace = vm ? generateComponentTrace(vm) : '';\n\n if (config.warnHandler) {\n config.warnHandler.call(null, msg, vm, trace);\n } else if (hasConsole && (!config.silent)) {\n console.error((\"[Vue warn]: \" + msg + trace));\n }\n };\n\n tip = function (msg, vm) {\n if (hasConsole && (!config.silent)) {\n console.warn(\"[Vue tip]: \" + msg + (\n vm ? generateComponentTrace(vm) : ''\n ));\n }\n };\n\n formatComponentName = function (vm, includeFile) {\n if (vm.$root === vm) {\n return '
, or missing
. Bailing hydration and performing ' +\n 'full client-side render.'\n );\n }\n }\n // either not server-rendered, or hydration failed.\n // create an empty node and replace it\n oldVnode = emptyNodeAt(oldVnode);\n }\n // replacing existing element\n var oldElm = oldVnode.elm;\n var parentElm$1 = nodeOps.parentNode(oldElm);\n createElm(\n vnode,\n insertedVnodeQueue,\n // extremely rare edge case: do not insert if old element is in a\n // leaving transition. Only happens when combining transition +\n // keep-alive + HOCs. (#4590)\n oldElm._leaveCb ? null : parentElm$1,\n nodeOps.nextSibling(oldElm)\n );\n\n if (isDef(vnode.parent)) {\n // component root element replaced.\n // update parent placeholder node element, recursively\n var ancestor = vnode.parent;\n while (ancestor) {\n ancestor.elm = vnode.elm;\n ancestor = ancestor.parent;\n }\n if (isPatchable(vnode)) {\n for (var i = 0; i < cbs.create.length; ++i) {\n cbs.create[i](emptyNode, vnode.parent);\n }\n }\n }\n\n if (isDef(parentElm$1)) {\n removeVnodes(parentElm$1, [oldVnode], 0, 0);\n } else if (isDef(oldVnode.tag)) {\n invokeDestroyHook(oldVnode);\n }\n }\n }\n\n invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);\n return vnode.elm\n }\n}\n\n/* */\n\nvar directives = {\n create: updateDirectives,\n update: updateDirectives,\n destroy: function unbindDirectives (vnode) {\n updateDirectives(vnode, emptyNode);\n }\n};\n\nfunction updateDirectives (oldVnode, vnode) {\n if (oldVnode.data.directives || vnode.data.directives) {\n _update(oldVnode, vnode);\n }\n}\n\nfunction _update (oldVnode, vnode) {\n var isCreate = oldVnode === emptyNode;\n var isDestroy = vnode === emptyNode;\n var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);\n var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);\n\n var dirsWithInsert = [];\n var dirsWithPostpatch = [];\n\n var key, oldDir, dir;\n for (key in newDirs) {\n oldDir = oldDirs[key];\n dir = newDirs[key];\n if (!oldDir) {\n // new directive, bind\n callHook$1(dir, 'bind', vnode, oldVnode);\n if (dir.def && dir.def.inserted) {\n dirsWithInsert.push(dir);\n }\n } else {\n // existing directive, update\n dir.oldValue = oldDir.value;\n callHook$1(dir, 'update', vnode, oldVnode);\n if (dir.def && dir.def.componentUpdated) {\n dirsWithPostpatch.push(dir);\n }\n }\n }\n\n if (dirsWithInsert.length) {\n var callInsert = function () {\n for (var i = 0; i < dirsWithInsert.length; i++) {\n callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);\n }\n };\n if (isCreate) {\n mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert);\n } else {\n callInsert();\n }\n }\n\n if (dirsWithPostpatch.length) {\n mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {\n for (var i = 0; i < dirsWithPostpatch.length; i++) {\n callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);\n }\n });\n }\n\n if (!isCreate) {\n for (key in oldDirs) {\n if (!newDirs[key]) {\n // no longer present, unbind\n callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);\n }\n }\n }\n}\n\nvar emptyModifiers = Object.create(null);\n\nfunction normalizeDirectives$1 (\n dirs,\n vm\n) {\n var res = Object.create(null);\n if (!dirs) {\n return res\n }\n var i, dir;\n for (i = 0; i < dirs.length; i++) {\n dir = dirs[i];\n if (!dir.modifiers) {\n dir.modifiers = emptyModifiers;\n }\n res[getRawDirName(dir)] = dir;\n dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);\n }\n return res\n}\n\nfunction getRawDirName (dir) {\n return dir.rawName || ((dir.name) + \".\" + (Object.keys(dir.modifiers || {}).join('.')))\n}\n\nfunction callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {\n var fn = dir.def && dir.def[hook];\n if (fn) {\n try {\n fn(vnode.elm, dir, vnode, oldVnode, isDestroy);\n } catch (e) {\n handleError(e, vnode.context, (\"directive \" + (dir.name) + \" \" + hook + \" hook\"));\n }\n }\n}\n\nvar baseModules = [\n ref,\n directives\n];\n\n/* */\n\nfunction updateAttrs (oldVnode, vnode) {\n var opts = vnode.componentOptions;\n if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {\n return\n }\n if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {\n return\n }\n var key, cur, old;\n var elm = vnode.elm;\n var oldAttrs = oldVnode.data.attrs || {};\n var attrs = vnode.data.attrs || {};\n // clone observed objects, as the user probably wants to mutate it\n if (isDef(attrs.__ob__)) {\n attrs = vnode.data.attrs = extend({}, attrs);\n }\n\n for (key in attrs) {\n cur = attrs[key];\n old = oldAttrs[key];\n if (old !== cur) {\n setAttr(elm, key, cur);\n }\n }\n // #4391: in IE9, setting type can reset value for input[type=radio]\n /* istanbul ignore if */\n if (isIE9 && attrs.value !== oldAttrs.value) {\n setAttr(elm, 'value', attrs.value);\n }\n for (key in oldAttrs) {\n if (isUndef(attrs[key])) {\n if (isXlink(key)) {\n elm.removeAttributeNS(xlinkNS, getXlinkProp(key));\n } else if (!isEnumeratedAttr(key)) {\n elm.removeAttribute(key);\n }\n }\n }\n}\n\nfunction setAttr (el, key, value) {\n if (isBooleanAttr(key)) {\n // set attribute for blank value\n // e.g. \n if (isFalsyAttrValue(value)) {\n el.removeAttribute(key);\n } else {\n el.setAttribute(key, key);\n }\n } else if (isEnumeratedAttr(key)) {\n el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');\n } else if (isXlink(key)) {\n if (isFalsyAttrValue(value)) {\n el.removeAttributeNS(xlinkNS, getXlinkProp(key));\n } else {\n el.setAttributeNS(xlinkNS, key, value);\n }\n } else {\n if (isFalsyAttrValue(value)) {\n el.removeAttribute(key);\n } else {\n el.setAttribute(key, value);\n }\n }\n}\n\nvar attrs = {\n create: updateAttrs,\n update: updateAttrs\n};\n\n/* */\n\nfunction updateClass (oldVnode, vnode) {\n var el = vnode.elm;\n var data = vnode.data;\n var oldData = oldVnode.data;\n if (\n isUndef(data.staticClass) &&\n isUndef(data.class) && (\n isUndef(oldData) || (\n isUndef(oldData.staticClass) &&\n isUndef(oldData.class)\n )\n )\n ) {\n return\n }\n\n var cls = genClassForVnode(vnode);\n\n // handle transition classes\n var transitionClass = el._transitionClasses;\n if (isDef(transitionClass)) {\n cls = concat(cls, stringifyClass(transitionClass));\n }\n\n // set the class\n if (cls !== el._prevClass) {\n el.setAttribute('class', cls);\n el._prevClass = cls;\n }\n}\n\nvar klass = {\n create: updateClass,\n update: updateClass\n};\n\n/* */\n\nvar validDivisionCharRE = /[\\w).+\\-_$\\]]/;\n\n\n\nfunction wrapFilter (exp, filter) {\n var i = filter.indexOf('(');\n if (i < 0) {\n // _f: resolveFilter\n return (\"_f(\\\"\" + filter + \"\\\")(\" + exp + \")\")\n } else {\n var name = filter.slice(0, i);\n var args = filter.slice(i + 1);\n return (\"_f(\\\"\" + name + \"\\\")(\" + exp + \",\" + args)\n }\n}\n\n/* */\n\n/* */\n\n/**\n * Cross-platform code generation for component v-model\n */\n\n\n/**\n * Cross-platform codegen helper for generating v-model value assignment code.\n */\n\n\n/**\n * parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)\n *\n * for loop possible cases:\n *\n * - test\n * - test[idx]\n * - test[test1[idx]]\n * - test[\"a\"][idx]\n * - xxx.test[a[a].test1[idx]]\n * - test.xxx.a[\"asa\"][test1[idx]]\n *\n */\n\nvar str;\nvar index$1;\n\n/* */\n\n// in some cases, the event used has to be determined at runtime\n// so we used some reserved tokens during compile.\nvar RANGE_TOKEN = '__r';\nvar CHECKBOX_RADIO_TOKEN = '__c';\n\n/* */\n\n// normalize v-model event tokens that can only be determined at runtime.\n// it's important to place the event as the first in the array because\n// the whole point is ensuring the v-model callback gets called before\n// user-attached handlers.\nfunction normalizeEvents (on) {\n var event;\n /* istanbul ignore if */\n if (isDef(on[RANGE_TOKEN])) {\n // IE input[type=range] only supports `change` event\n event = isIE ? 'change' : 'input';\n on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);\n delete on[RANGE_TOKEN];\n }\n if (isDef(on[CHECKBOX_RADIO_TOKEN])) {\n // Chrome fires microtasks in between click/change, leads to #4521\n event = isChrome ? 'click' : 'change';\n on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []);\n delete on[CHECKBOX_RADIO_TOKEN];\n }\n}\n\nvar target$1;\n\nfunction add$1 (\n event,\n handler,\n once$$1,\n capture,\n passive\n) {\n if (once$$1) {\n var oldHandler = handler;\n var _target = target$1; // save current target element in closure\n handler = function (ev) {\n var res = arguments.length === 1\n ? oldHandler(ev)\n : oldHandler.apply(null, arguments);\n if (res !== null) {\n remove$2(event, handler, capture, _target);\n }\n };\n }\n target$1.addEventListener(\n event,\n handler,\n supportsPassive\n ? { capture: capture, passive: passive }\n : capture\n );\n}\n\nfunction remove$2 (\n event,\n handler,\n capture,\n _target\n) {\n (_target || target$1).removeEventListener(event, handler, capture);\n}\n\nfunction updateDOMListeners (oldVnode, vnode) {\n if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {\n return\n }\n var on = vnode.data.on || {};\n var oldOn = oldVnode.data.on || {};\n target$1 = vnode.elm;\n normalizeEvents(on);\n updateListeners(on, oldOn, add$1, remove$2, vnode.context);\n}\n\nvar events = {\n create: updateDOMListeners,\n update: updateDOMListeners\n};\n\n/* */\n\nfunction updateDOMProps (oldVnode, vnode) {\n if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {\n return\n }\n var key, cur;\n var elm = vnode.elm;\n var oldProps = oldVnode.data.domProps || {};\n var props = vnode.data.domProps || {};\n // clone observed objects, as the user probably wants to mutate it\n if (isDef(props.__ob__)) {\n props = vnode.data.domProps = extend({}, props);\n }\n\n for (key in oldProps) {\n if (isUndef(props[key])) {\n elm[key] = '';\n }\n }\n for (key in props) {\n cur = props[key];\n // ignore children if the node has textContent or innerHTML,\n // as these will throw away existing DOM nodes and cause removal errors\n // on subsequent patches (#3360)\n if (key === 'textContent' || key === 'innerHTML') {\n if (vnode.children) { vnode.children.length = 0; }\n if (cur === oldProps[key]) { continue }\n }\n\n if (key === 'value') {\n // store value as _value as well since\n // non-string values will be stringified\n elm._value = cur;\n // avoid resetting cursor position when value is the same\n var strCur = isUndef(cur) ? '' : String(cur);\n if (shouldUpdateValue(elm, vnode, strCur)) {\n elm.value = strCur;\n }\n } else {\n elm[key] = cur;\n }\n }\n}\n\n// check platforms/web/util/attrs.js acceptValue\n\n\nfunction shouldUpdateValue (\n elm,\n vnode,\n checkVal\n) {\n return (!elm.composing && (\n vnode.tag === 'option' ||\n isDirty(elm, checkVal) ||\n isInputChanged(elm, checkVal)\n ))\n}\n\nfunction isDirty (elm, checkVal) {\n // return true when textbox (.number and .trim) loses focus and its value is\n // not equal to the updated value\n var notInFocus = true;\n // #6157\n // work around IE bug when accessing document.activeElement in an iframe\n try { notInFocus = document.activeElement !== elm; } catch (e) {}\n return notInFocus && elm.value !== checkVal\n}\n\nfunction isInputChanged (elm, newVal) {\n var value = elm.value;\n var modifiers = elm._vModifiers; // injected by v-model runtime\n if (isDef(modifiers) && modifiers.number) {\n return toNumber(value) !== toNumber(newVal)\n }\n if (isDef(modifiers) && modifiers.trim) {\n return value.trim() !== newVal.trim()\n }\n return value !== newVal\n}\n\nvar domProps = {\n create: updateDOMProps,\n update: updateDOMProps\n};\n\n/* */\n\nvar parseStyleText = cached(function (cssText) {\n var res = {};\n var listDelimiter = /;(?![^(]*\\))/g;\n var propertyDelimiter = /:(.+)/;\n cssText.split(listDelimiter).forEach(function (item) {\n if (item) {\n var tmp = item.split(propertyDelimiter);\n tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());\n }\n });\n return res\n});\n\n// merge static and dynamic style data on the same vnode\nfunction normalizeStyleData (data) {\n var style = normalizeStyleBinding(data.style);\n // static style is pre-processed into an object during compilation\n // and is always a fresh object, so it's safe to merge into it\n return data.staticStyle\n ? extend(data.staticStyle, style)\n : style\n}\n\n// normalize possible array / string values into Object\nfunction normalizeStyleBinding (bindingStyle) {\n if (Array.isArray(bindingStyle)) {\n return toObject(bindingStyle)\n }\n if (typeof bindingStyle === 'string') {\n return parseStyleText(bindingStyle)\n }\n return bindingStyle\n}\n\n/**\n * parent component style should be after child's\n * so that parent component's style could override it\n */\nfunction getStyle (vnode, checkChild) {\n var res = {};\n var styleData;\n\n if (checkChild) {\n var childNode = vnode;\n while (childNode.componentInstance) {\n childNode = childNode.componentInstance._vnode;\n if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {\n extend(res, styleData);\n }\n }\n }\n\n if ((styleData = normalizeStyleData(vnode.data))) {\n extend(res, styleData);\n }\n\n var parentNode = vnode;\n while ((parentNode = parentNode.parent)) {\n if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {\n extend(res, styleData);\n }\n }\n return res\n}\n\n/* */\n\nvar cssVarRE = /^--/;\nvar importantRE = /\\s*!important$/;\nvar setProp = function (el, name, val) {\n /* istanbul ignore if */\n if (cssVarRE.test(name)) {\n el.style.setProperty(name, val);\n } else if (importantRE.test(val)) {\n el.style.setProperty(name, val.replace(importantRE, ''), 'important');\n } else {\n var normalizedName = normalize(name);\n if (Array.isArray(val)) {\n // Support values array created by autoprefixer, e.g.\n // {display: [\"-webkit-box\", \"-ms-flexbox\", \"flex\"]}\n // Set them one by one, and the browser will only set those it can recognize\n for (var i = 0, len = val.length; i < len; i++) {\n el.style[normalizedName] = val[i];\n }\n } else {\n el.style[normalizedName] = val;\n }\n }\n};\n\nvar vendorNames = ['Webkit', 'Moz', 'ms'];\n\nvar emptyStyle;\nvar normalize = cached(function (prop) {\n emptyStyle = emptyStyle || document.createElement('div').style;\n prop = camelize(prop);\n if (prop !== 'filter' && (prop in emptyStyle)) {\n return prop\n }\n var capName = prop.charAt(0).toUpperCase() + prop.slice(1);\n for (var i = 0; i < vendorNames.length; i++) {\n var name = vendorNames[i] + capName;\n if (name in emptyStyle) {\n return name\n }\n }\n});\n\nfunction updateStyle (oldVnode, vnode) {\n var data = vnode.data;\n var oldData = oldVnode.data;\n\n if (isUndef(data.staticStyle) && isUndef(data.style) &&\n isUndef(oldData.staticStyle) && isUndef(oldData.style)\n ) {\n return\n }\n\n var cur, name;\n var el = vnode.elm;\n var oldStaticStyle = oldData.staticStyle;\n var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};\n\n // if static style exists, stylebinding already merged into it when doing normalizeStyleData\n var oldStyle = oldStaticStyle || oldStyleBinding;\n\n var style = normalizeStyleBinding(vnode.data.style) || {};\n\n // store normalized style under a different key for next diff\n // make sure to clone it if it's reactive, since the user likley wants\n // to mutate it.\n vnode.data.normalizedStyle = isDef(style.__ob__)\n ? extend({}, style)\n : style;\n\n var newStyle = getStyle(vnode, true);\n\n for (name in oldStyle) {\n if (isUndef(newStyle[name])) {\n setProp(el, name, '');\n }\n }\n for (name in newStyle) {\n cur = newStyle[name];\n if (cur !== oldStyle[name]) {\n // ie9 setting to null has no effect, must use empty string\n setProp(el, name, cur == null ? '' : cur);\n }\n }\n}\n\nvar style = {\n create: updateStyle,\n update: updateStyle\n};\n\n/* */\n\n/**\n * Add class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction addClass (el, cls) {\n /* istanbul ignore if */\n if (!cls || !(cls = cls.trim())) {\n return\n }\n\n /* istanbul ignore else */\n if (el.classList) {\n if (cls.indexOf(' ') > -1) {\n cls.split(/\\s+/).forEach(function (c) { return el.classList.add(c); });\n } else {\n el.classList.add(cls);\n }\n } else {\n var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n if (cur.indexOf(' ' + cls + ' ') < 0) {\n el.setAttribute('class', (cur + cls).trim());\n }\n }\n}\n\n/**\n * Remove class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction removeClass (el, cls) {\n /* istanbul ignore if */\n if (!cls || !(cls = cls.trim())) {\n return\n }\n\n /* istanbul ignore else */\n if (el.classList) {\n if (cls.indexOf(' ') > -1) {\n cls.split(/\\s+/).forEach(function (c) { return el.classList.remove(c); });\n } else {\n el.classList.remove(cls);\n }\n if (!el.classList.length) {\n el.removeAttribute('class');\n }\n } else {\n var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n var tar = ' ' + cls + ' ';\n while (cur.indexOf(tar) >= 0) {\n cur = cur.replace(tar, ' ');\n }\n cur = cur.trim();\n if (cur) {\n el.setAttribute('class', cur);\n } else {\n el.removeAttribute('class');\n }\n }\n}\n\n/* */\n\nfunction resolveTransition (def$$1) {\n if (!def$$1) {\n return\n }\n /* istanbul ignore else */\n if (typeof def$$1 === 'object') {\n var res = {};\n if (def$$1.css !== false) {\n extend(res, autoCssTransition(def$$1.name || 'v'));\n }\n extend(res, def$$1);\n return res\n } else if (typeof def$$1 === 'string') {\n return autoCssTransition(def$$1)\n }\n}\n\nvar autoCssTransition = cached(function (name) {\n return {\n enterClass: (name + \"-enter\"),\n enterToClass: (name + \"-enter-to\"),\n enterActiveClass: (name + \"-enter-active\"),\n leaveClass: (name + \"-leave\"),\n leaveToClass: (name + \"-leave-to\"),\n leaveActiveClass: (name + \"-leave-active\")\n }\n});\n\nvar hasTransition = inBrowser && !isIE9;\nvar TRANSITION = 'transition';\nvar ANIMATION = 'animation';\n\n// Transition property/event sniffing\nvar transitionProp = 'transition';\nvar transitionEndEvent = 'transitionend';\nvar animationProp = 'animation';\nvar animationEndEvent = 'animationend';\nif (hasTransition) {\n /* istanbul ignore if */\n if (window.ontransitionend === undefined &&\n window.onwebkittransitionend !== undefined\n ) {\n transitionProp = 'WebkitTransition';\n transitionEndEvent = 'webkitTransitionEnd';\n }\n if (window.onanimationend === undefined &&\n window.onwebkitanimationend !== undefined\n ) {\n animationProp = 'WebkitAnimation';\n animationEndEvent = 'webkitAnimationEnd';\n }\n}\n\n// binding to window is necessary to make hot reload work in IE in strict mode\nvar raf = inBrowser && window.requestAnimationFrame\n ? window.requestAnimationFrame.bind(window)\n : setTimeout;\n\nfunction nextFrame (fn) {\n raf(function () {\n raf(fn);\n });\n}\n\nfunction addTransitionClass (el, cls) {\n var transitionClasses = el._transitionClasses || (el._transitionClasses = []);\n if (transitionClasses.indexOf(cls) < 0) {\n transitionClasses.push(cls);\n addClass(el, cls);\n }\n}\n\nfunction removeTransitionClass (el, cls) {\n if (el._transitionClasses) {\n remove(el._transitionClasses, cls);\n }\n removeClass(el, cls);\n}\n\nfunction whenTransitionEnds (\n el,\n expectedType,\n cb\n) {\n var ref = getTransitionInfo(el, expectedType);\n var type = ref.type;\n var timeout = ref.timeout;\n var propCount = ref.propCount;\n if (!type) { return cb() }\n var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;\n var ended = 0;\n var end = function () {\n el.removeEventListener(event, onEnd);\n cb();\n };\n var onEnd = function (e) {\n if (e.target === el) {\n if (++ended >= propCount) {\n end();\n }\n }\n };\n setTimeout(function () {\n if (ended < propCount) {\n end();\n }\n }, timeout + 1);\n el.addEventListener(event, onEnd);\n}\n\nvar transformRE = /\\b(transform|all)(,|$)/;\n\nfunction getTransitionInfo (el, expectedType) {\n var styles = window.getComputedStyle(el);\n var transitionDelays = styles[transitionProp + 'Delay'].split(', ');\n var transitionDurations = styles[transitionProp + 'Duration'].split(', ');\n var transitionTimeout = getTimeout(transitionDelays, transitionDurations);\n var animationDelays = styles[animationProp + 'Delay'].split(', ');\n var animationDurations = styles[animationProp + 'Duration'].split(', ');\n var animationTimeout = getTimeout(animationDelays, animationDurations);\n\n var type;\n var timeout = 0;\n var propCount = 0;\n /* istanbul ignore if */\n if (expectedType === TRANSITION) {\n if (transitionTimeout > 0) {\n type = TRANSITION;\n timeout = transitionTimeout;\n propCount = transitionDurations.length;\n }\n } else if (expectedType === ANIMATION) {\n if (animationTimeout > 0) {\n type = ANIMATION;\n timeout = animationTimeout;\n propCount = animationDurations.length;\n }\n } else {\n timeout = Math.max(transitionTimeout, animationTimeout);\n type = timeout > 0\n ? transitionTimeout > animationTimeout\n ? TRANSITION\n : ANIMATION\n : null;\n propCount = type\n ? type === TRANSITION\n ? transitionDurations.length\n : animationDurations.length\n : 0;\n }\n var hasTransform =\n type === TRANSITION &&\n transformRE.test(styles[transitionProp + 'Property']);\n return {\n type: type,\n timeout: timeout,\n propCount: propCount,\n hasTransform: hasTransform\n }\n}\n\nfunction getTimeout (delays, durations) {\n /* istanbul ignore next */\n while (delays.length < durations.length) {\n delays = delays.concat(delays);\n }\n\n return Math.max.apply(null, durations.map(function (d, i) {\n return toMs(d) + toMs(delays[i])\n }))\n}\n\nfunction toMs (s) {\n return Number(s.slice(0, -1)) * 1000\n}\n\n/* */\n\nfunction enter (vnode, toggleDisplay) {\n var el = vnode.elm;\n\n // call leave callback now\n if (isDef(el._leaveCb)) {\n el._leaveCb.cancelled = true;\n el._leaveCb();\n }\n\n var data = resolveTransition(vnode.data.transition);\n if (isUndef(data)) {\n return\n }\n\n /* istanbul ignore if */\n if (isDef(el._enterCb) || el.nodeType !== 1) {\n return\n }\n\n var css = data.css;\n var type = data.type;\n var enterClass = data.enterClass;\n var enterToClass = data.enterToClass;\n var enterActiveClass = data.enterActiveClass;\n var appearClass = data.appearClass;\n var appearToClass = data.appearToClass;\n var appearActiveClass = data.appearActiveClass;\n var beforeEnter = data.beforeEnter;\n var enter = data.enter;\n var afterEnter = data.afterEnter;\n var enterCancelled = data.enterCancelled;\n var beforeAppear = data.beforeAppear;\n var appear = data.appear;\n var afterAppear = data.afterAppear;\n var appearCancelled = data.appearCancelled;\n var duration = data.duration;\n\n // activeInstance will always be the