.'\n );\n }\n }\n addAttr(el, name, JSON.stringify(value));\n }\n }\n}\n\nfunction checkInFor (el) {\n var parent = el;\n while (parent) {\n if (parent.for !== undefined) {\n return true\n }\n parent = parent.parent;\n }\n return false\n}\n\nfunction parseModifiers (name) {\n var match = name.match(modifierRE);\n if (match) {\n var ret = {};\n match.forEach(function (m) { ret[m.slice(1)] = true; });\n return ret\n }\n}\n\nfunction makeAttrsMap (attrs) {\n var map = {};\n for (var i = 0, l = attrs.length; i < l; i++) {\n if (\n false\n ) {\n warn$2('duplicate attribute: ' + attrs[i].name);\n }\n map[attrs[i].name] = attrs[i].value;\n }\n return map\n}\n\n// for script (e.g. type=\"x/template\") or style, do not decode content\nfunction isTextTag (el) {\n return el.tag === 'script' || el.tag === 'style'\n}\n\nfunction isForbiddenTag (el) {\n return (\n el.tag === 'style' ||\n (el.tag === 'script' && (\n !el.attrsMap.type ||\n el.attrsMap.type === 'text/javascript'\n ))\n )\n}\n\nvar ieNSBug = /^xmlns:NS\\d+/;\nvar ieNSPrefix = /^NS\\d+:/;\n\n/* istanbul ignore next */\nfunction guardIESVGBug (attrs) {\n var res = [];\n for (var i = 0; i < attrs.length; i++) {\n var attr = attrs[i];\n if (!ieNSBug.test(attr.name)) {\n attr.name = attr.name.replace(ieNSPrefix, '');\n res.push(attr);\n }\n }\n return res\n}\n\nfunction checkForAliasModel (el, value) {\n var _el = el;\n while (_el) {\n if (_el.for && _el.alias === value) {\n warn$2(\n \"<\" + (el.tag) + \" v-model=\\\"\" + value + \"\\\">: \" +\n \"You are binding v-model directly to a v-for iteration alias. \" +\n \"This will not be able to modify the v-for source array because \" +\n \"writing to the alias is like modifying a function local variable. \" +\n \"Consider using an array of objects and use v-model on an object property instead.\"\n );\n }\n _el = _el.parent;\n }\n}\n\n/* */\n\nvar isStaticKey;\nvar isPlatformReservedTag;\n\nvar genStaticKeysCached = cached(genStaticKeys$1);\n\n/**\n * Goal of the optimizer: walk the generated template AST tree\n * and detect sub-trees that are purely static, i.e. parts of\n * the DOM that never needs to change.\n *\n * Once we detect these sub-trees, we can:\n *\n * 1. Hoist them into constants, so that we no longer need to\n * create fresh nodes for them on each re-render;\n * 2. Completely skip them in the patching process.\n */\nfunction optimize (root, options) {\n if (!root) { return }\n isStaticKey = genStaticKeysCached(options.staticKeys || '');\n isPlatformReservedTag = options.isReservedTag || no;\n // first pass: mark all non-static nodes.\n markStatic$1(root);\n // second pass: mark static roots.\n markStaticRoots(root, false);\n}\n\nfunction genStaticKeys$1 (keys) {\n return makeMap(\n 'type,tag,attrsList,attrsMap,plain,parent,children,attrs' +\n (keys ? ',' + keys : '')\n )\n}\n\nfunction markStatic$1 (node) {\n node.static = isStatic(node);\n if (node.type === 1) {\n // do not make component slot content static. this avoids\n // 1. components not able to mutate slot nodes\n // 2. static slot content fails for hot-reloading\n if (\n !isPlatformReservedTag(node.tag) &&\n node.tag !== 'slot' &&\n node.attrsMap['inline-template'] == null\n ) {\n return\n }\n for (var i = 0, l = node.children.length; i < l; i++) {\n var child = node.children[i];\n markStatic$1(child);\n if (!child.static) {\n node.static = false;\n }\n }\n if (node.ifConditions) {\n for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {\n var block = node.ifConditions[i$1].block;\n markStatic$1(block);\n if (!block.static) {\n node.static = false;\n }\n }\n }\n }\n}\n\nfunction markStaticRoots (node, isInFor) {\n if (node.type === 1) {\n if (node.static || node.once) {\n node.staticInFor = isInFor;\n }\n // For a node to qualify as a static root, it should have children that\n // are not just static text. Otherwise the cost of hoisting out will\n // outweigh the benefits and it's better off to just always render it fresh.\n if (node.static && node.children.length && !(\n node.children.length === 1 &&\n node.children[0].type === 3\n )) {\n node.staticRoot = true;\n return\n } else {\n node.staticRoot = false;\n }\n if (node.children) {\n for (var i = 0, l = node.children.length; i < l; i++) {\n markStaticRoots(node.children[i], isInFor || !!node.for);\n }\n }\n if (node.ifConditions) {\n for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {\n markStaticRoots(node.ifConditions[i$1].block, isInFor);\n }\n }\n }\n}\n\nfunction isStatic (node) {\n if (node.type === 2) { // expression\n return false\n }\n if (node.type === 3) { // text\n return true\n }\n return !!(node.pre || (\n !node.hasBindings && // no dynamic bindings\n !node.if && !node.for && // not v-if or v-for or v-else\n !isBuiltInTag(node.tag) && // not a built-in\n isPlatformReservedTag(node.tag) && // not a component\n !isDirectChildOfTemplateFor(node) &&\n Object.keys(node).every(isStaticKey)\n ))\n}\n\nfunction isDirectChildOfTemplateFor (node) {\n while (node.parent) {\n node = node.parent;\n if (node.tag !== 'template') {\n return false\n }\n if (node.for) {\n return true\n }\n }\n return false\n}\n\n/* */\n\nvar fnExpRE = /^\\s*([\\w$_]+|\\([^)]*?\\))\\s*=>|^function\\s*\\(/;\nvar simplePathRE = /^\\s*[A-Za-z_$][\\w$]*(?:\\.[A-Za-z_$][\\w$]*|\\['.*?']|\\[\".*?\"]|\\[\\d+]|\\[[A-Za-z_$][\\w$]*])*\\s*$/;\n\n// keyCode aliases\nvar keyCodes = {\n esc: 27,\n tab: 9,\n enter: 13,\n space: 32,\n up: 38,\n left: 37,\n right: 39,\n down: 40,\n 'delete': [8, 46]\n};\n\n// #4868: modifiers that prevent the execution of the listener\n// need to explicitly return null so that we can determine whether to remove\n// the listener for .once\nvar genGuard = function (condition) { return (\"if(\" + condition + \")return null;\"); };\n\nvar modifierCode = {\n stop: '$event.stopPropagation();',\n prevent: '$event.preventDefault();',\n self: genGuard(\"$event.target !== $event.currentTarget\"),\n ctrl: genGuard(\"!$event.ctrlKey\"),\n shift: genGuard(\"!$event.shiftKey\"),\n alt: genGuard(\"!$event.altKey\"),\n meta: genGuard(\"!$event.metaKey\"),\n left: genGuard(\"'button' in $event && $event.button !== 0\"),\n middle: genGuard(\"'button' in $event && $event.button !== 1\"),\n right: genGuard(\"'button' in $event && $event.button !== 2\")\n};\n\nfunction genHandlers (\n events,\n isNative,\n warn\n) {\n var res = isNative ? 'nativeOn:{' : 'on:{';\n for (var name in events) {\n var handler = events[name];\n // #5330: warn click.right, since right clicks do not actually fire click events.\n if (false\n ) {\n warn(\n \"Use \\\"contextmenu\\\" instead of \\\"click.right\\\" since right clicks \" +\n \"do not actually fire \\\"click\\\" events.\"\n );\n }\n res += \"\\\"\" + name + \"\\\":\" + (genHandler(name, handler)) + \",\";\n }\n return res.slice(0, -1) + '}'\n}\n\nfunction genHandler (\n name,\n handler\n) {\n if (!handler) {\n return 'function(){}'\n }\n\n if (Array.isArray(handler)) {\n return (\"[\" + (handler.map(function (handler) { return genHandler(name, handler); }).join(',')) + \"]\")\n }\n\n var isMethodPath = simplePathRE.test(handler.value);\n var isFunctionExpression = fnExpRE.test(handler.value);\n\n if (!handler.modifiers) {\n return isMethodPath || isFunctionExpression\n ? handler.value\n : (\"function($event){\" + (handler.value) + \"}\") // inline statement\n } else {\n var code = '';\n var genModifierCode = '';\n var keys = [];\n for (var key in handler.modifiers) {\n if (modifierCode[key]) {\n genModifierCode += modifierCode[key];\n // left/right\n if (keyCodes[key]) {\n keys.push(key);\n }\n } else {\n keys.push(key);\n }\n }\n if (keys.length) {\n code += genKeyFilter(keys);\n }\n // Make sure modifiers like prevent and stop get executed after key filtering\n if (genModifierCode) {\n code += genModifierCode;\n }\n var handlerCode = isMethodPath\n ? handler.value + '($event)'\n : isFunctionExpression\n ? (\"(\" + (handler.value) + \")($event)\")\n : handler.value;\n return (\"function($event){\" + code + handlerCode + \"}\")\n }\n}\n\nfunction genKeyFilter (keys) {\n return (\"if(!('button' in $event)&&\" + (keys.map(genFilterCode).join('&&')) + \")return null;\")\n}\n\nfunction genFilterCode (key) {\n var keyVal = parseInt(key, 10);\n if (keyVal) {\n return (\"$event.keyCode!==\" + keyVal)\n }\n var alias = keyCodes[key];\n return (\"_k($event.keyCode,\" + (JSON.stringify(key)) + (alias ? ',' + JSON.stringify(alias) : '') + \")\")\n}\n\n/* */\n\nfunction on (el, dir) {\n if (false) {\n warn(\"v-on without argument does not support modifiers.\");\n }\n el.wrapListeners = function (code) { return (\"_g(\" + code + \",\" + (dir.value) + \")\"); };\n}\n\n/* */\n\nfunction bind$1 (el, dir) {\n el.wrapData = function (code) {\n return (\"_b(\" + code + \",'\" + (el.tag) + \"',\" + (dir.value) + \",\" + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + \")\")\n };\n}\n\n/* */\n\nvar baseDirectives = {\n on: on,\n bind: bind$1,\n cloak: noop\n};\n\n/* */\n\nvar CodegenState = function CodegenState (options) {\n this.options = options;\n this.warn = options.warn || baseWarn;\n this.transforms = pluckModuleFunction(options.modules, 'transformCode');\n this.dataGenFns = pluckModuleFunction(options.modules, 'genData');\n this.directives = extend(extend({}, baseDirectives), options.directives);\n var isReservedTag = options.isReservedTag || no;\n this.maybeComponent = function (el) { return !isReservedTag(el.tag); };\n this.onceId = 0;\n this.staticRenderFns = [];\n};\n\n\n\nfunction generate (\n ast,\n options\n) {\n var state = new CodegenState(options);\n var code = ast ? genElement(ast, state) : '_c(\"div\")';\n return {\n render: (\"with(this){return \" + code + \"}\"),\n staticRenderFns: state.staticRenderFns\n }\n}\n\nfunction genElement (el, state) {\n if (el.staticRoot && !el.staticProcessed) {\n return genStatic(el, state)\n } else if (el.once && !el.onceProcessed) {\n return genOnce(el, state)\n } else if (el.for && !el.forProcessed) {\n return genFor(el, state)\n } else if (el.if && !el.ifProcessed) {\n return genIf(el, state)\n } else if (el.tag === 'template' && !el.slotTarget) {\n return genChildren(el, state) || 'void 0'\n } else if (el.tag === 'slot') {\n return genSlot(el, state)\n } else {\n // component or element\n var code;\n if (el.component) {\n code = genComponent(el.component, el, state);\n } else {\n var data = el.plain ? undefined : genData$2(el, state);\n\n var children = el.inlineTemplate ? null : genChildren(el, state, true);\n code = \"_c('\" + (el.tag) + \"'\" + (data ? (\",\" + data) : '') + (children ? (\",\" + children) : '') + \")\";\n }\n // module transforms\n for (var i = 0; i < state.transforms.length; i++) {\n code = state.transforms[i](el, code);\n }\n return code\n }\n}\n\n// hoist static sub-trees out\nfunction genStatic (el, state) {\n el.staticProcessed = true;\n state.staticRenderFns.push((\"with(this){return \" + (genElement(el, state)) + \"}\"));\n return (\"_m(\" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + \")\")\n}\n\n// v-once\nfunction genOnce (el, state) {\n el.onceProcessed = true;\n if (el.if && !el.ifProcessed) {\n return genIf(el, state)\n } else if (el.staticInFor) {\n var key = '';\n var parent = el.parent;\n while (parent) {\n if (parent.for) {\n key = parent.key;\n break\n }\n parent = parent.parent;\n }\n if (!key) {\n \"production\" !== 'production' && state.warn(\n \"v-once can only be used inside v-for that is keyed. \"\n );\n return genElement(el, state)\n }\n return (\"_o(\" + (genElement(el, state)) + \",\" + (state.onceId++) + (key ? (\",\" + key) : \"\") + \")\")\n } else {\n return genStatic(el, state)\n }\n}\n\nfunction genIf (\n el,\n state,\n altGen,\n altEmpty\n) {\n el.ifProcessed = true; // avoid recursion\n return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)\n}\n\nfunction genIfConditions (\n conditions,\n state,\n altGen,\n altEmpty\n) {\n if (!conditions.length) {\n return altEmpty || '_e()'\n }\n\n var condition = conditions.shift();\n if (condition.exp) {\n return (\"(\" + (condition.exp) + \")?\" + (genTernaryExp(condition.block)) + \":\" + (genIfConditions(conditions, state, altGen, altEmpty)))\n } else {\n return (\"\" + (genTernaryExp(condition.block)))\n }\n\n // v-if with v-once should generate code like (a)?_m(0):_m(1)\n function genTernaryExp (el) {\n return altGen\n ? altGen(el, state)\n : el.once\n ? genOnce(el, state)\n : genElement(el, state)\n }\n}\n\nfunction genFor (\n el,\n state,\n altGen,\n altHelper\n) {\n var exp = el.for;\n var alias = el.alias;\n var iterator1 = el.iterator1 ? (\",\" + (el.iterator1)) : '';\n var iterator2 = el.iterator2 ? (\",\" + (el.iterator2)) : '';\n\n if (false\n ) {\n state.warn(\n \"<\" + (el.tag) + \" v-for=\\\"\" + alias + \" in \" + exp + \"\\\">: component lists rendered with \" +\n \"v-for should have explicit keys. \" +\n \"See https://vuejs.org/guide/list.html#key for more info.\",\n true /* tip */\n );\n }\n\n el.forProcessed = true; // avoid recursion\n return (altHelper || '_l') + \"((\" + exp + \"),\" +\n \"function(\" + alias + iterator1 + iterator2 + \"){\" +\n \"return \" + ((altGen || genElement)(el, state)) +\n '})'\n}\n\nfunction genData$2 (el, state) {\n var data = '{';\n\n // directives first.\n // directives may mutate the el's other properties before they are generated.\n var dirs = genDirectives(el, state);\n if (dirs) { data += dirs + ','; }\n\n // key\n if (el.key) {\n data += \"key:\" + (el.key) + \",\";\n }\n // ref\n if (el.ref) {\n data += \"ref:\" + (el.ref) + \",\";\n }\n if (el.refInFor) {\n data += \"refInFor:true,\";\n }\n // pre\n if (el.pre) {\n data += \"pre:true,\";\n }\n // record original tag name for components using \"is\" attribute\n if (el.component) {\n data += \"tag:\\\"\" + (el.tag) + \"\\\",\";\n }\n // module data generation functions\n for (var i = 0; i < state.dataGenFns.length; i++) {\n data += state.dataGenFns[i](el);\n }\n // attributes\n if (el.attrs) {\n data += \"attrs:{\" + (genProps(el.attrs)) + \"},\";\n }\n // DOM props\n if (el.props) {\n data += \"domProps:{\" + (genProps(el.props)) + \"},\";\n }\n // event handlers\n if (el.events) {\n data += (genHandlers(el.events, false, state.warn)) + \",\";\n }\n if (el.nativeEvents) {\n data += (genHandlers(el.nativeEvents, true, state.warn)) + \",\";\n }\n // slot target\n if (el.slotTarget) {\n data += \"slot:\" + (el.slotTarget) + \",\";\n }\n // scoped slots\n if (el.scopedSlots) {\n data += (genScopedSlots(el.scopedSlots, state)) + \",\";\n }\n // component v-model\n if (el.model) {\n data += \"model:{value:\" + (el.model.value) + \",callback:\" + (el.model.callback) + \",expression:\" + (el.model.expression) + \"},\";\n }\n // inline-template\n if (el.inlineTemplate) {\n var inlineTemplate = genInlineTemplate(el, state);\n if (inlineTemplate) {\n data += inlineTemplate + \",\";\n }\n }\n data = data.replace(/,$/, '') + '}';\n // v-bind data wrap\n if (el.wrapData) {\n data = el.wrapData(data);\n }\n // v-on data wrap\n if (el.wrapListeners) {\n data = el.wrapListeners(data);\n }\n return data\n}\n\nfunction genDirectives (el, state) {\n var dirs = el.directives;\n if (!dirs) { return }\n var res = 'directives:[';\n var hasRuntime = false;\n var i, l, dir, needRuntime;\n for (i = 0, l = dirs.length; i < l; i++) {\n dir = dirs[i];\n needRuntime = true;\n var gen = state.directives[dir.name];\n if (gen) {\n // compile-time directive that manipulates AST.\n // returns true if it also needs a runtime counterpart.\n needRuntime = !!gen(el, dir, state.warn);\n }\n if (needRuntime) {\n hasRuntime = true;\n res += \"{name:\\\"\" + (dir.name) + \"\\\",rawName:\\\"\" + (dir.rawName) + \"\\\"\" + (dir.value ? (\",value:(\" + (dir.value) + \"),expression:\" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (\",arg:\\\"\" + (dir.arg) + \"\\\"\") : '') + (dir.modifiers ? (\",modifiers:\" + (JSON.stringify(dir.modifiers))) : '') + \"},\";\n }\n }\n if (hasRuntime) {\n return res.slice(0, -1) + ']'\n }\n}\n\nfunction genInlineTemplate (el, state) {\n var ast = el.children[0];\n if (false) {\n state.warn('Inline-template components must have exactly one child element.');\n }\n if (ast.type === 1) {\n var inlineRenderFns = generate(ast, state.options);\n return (\"inlineTemplate:{render:function(){\" + (inlineRenderFns.render) + \"},staticRenderFns:[\" + (inlineRenderFns.staticRenderFns.map(function (code) { return (\"function(){\" + code + \"}\"); }).join(',')) + \"]}\")\n }\n}\n\nfunction genScopedSlots (\n slots,\n state\n) {\n return (\"scopedSlots:_u([\" + (Object.keys(slots).map(function (key) {\n return genScopedSlot(key, slots[key], state)\n }).join(',')) + \"])\")\n}\n\nfunction genScopedSlot (\n key,\n el,\n state\n) {\n if (el.for && !el.forProcessed) {\n return genForScopedSlot(key, el, state)\n }\n return \"{key:\" + key + \",fn:function(\" + (String(el.attrsMap.scope)) + \"){\" +\n \"return \" + (el.tag === 'template'\n ? genChildren(el, state) || 'void 0'\n : genElement(el, state)) + \"}}\"\n}\n\nfunction genForScopedSlot (\n key,\n el,\n state\n) {\n var exp = el.for;\n var alias = el.alias;\n var iterator1 = el.iterator1 ? (\",\" + (el.iterator1)) : '';\n var iterator2 = el.iterator2 ? (\",\" + (el.iterator2)) : '';\n el.forProcessed = true; // avoid recursion\n return \"_l((\" + exp + \"),\" +\n \"function(\" + alias + iterator1 + iterator2 + \"){\" +\n \"return \" + (genScopedSlot(key, el, state)) +\n '})'\n}\n\nfunction genChildren (\n el,\n state,\n checkSkip,\n altGenElement,\n altGenNode\n) {\n var children = el.children;\n if (children.length) {\n var el$1 = children[0];\n // optimize single v-for\n if (children.length === 1 &&\n el$1.for &&\n el$1.tag !== 'template' &&\n el$1.tag !== 'slot'\n ) {\n return (altGenElement || genElement)(el$1, state)\n }\n var normalizationType = checkSkip\n ? getNormalizationType(children, state.maybeComponent)\n : 0;\n var gen = altGenNode || genNode;\n return (\"[\" + (children.map(function (c) { return gen(c, state); }).join(',')) + \"]\" + (normalizationType ? (\",\" + normalizationType) : ''))\n }\n}\n\n// determine the normalization needed for the children array.\n// 0: no normalization needed\n// 1: simple normalization needed (possible 1-level deep nested array)\n// 2: full normalization needed\nfunction getNormalizationType (\n children,\n maybeComponent\n) {\n var res = 0;\n for (var i = 0; i < children.length; i++) {\n var el = children[i];\n if (el.type !== 1) {\n continue\n }\n if (needsNormalization(el) ||\n (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {\n res = 2;\n break\n }\n if (maybeComponent(el) ||\n (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {\n res = 1;\n }\n }\n return res\n}\n\nfunction needsNormalization (el) {\n return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'\n}\n\nfunction genNode (node, state) {\n if (node.type === 1) {\n return genElement(node, state)\n } if (node.type === 3 && node.isComment) {\n return genComment(node)\n } else {\n return genText(node)\n }\n}\n\nfunction genText (text) {\n return (\"_v(\" + (text.type === 2\n ? text.expression // no need for () because already wrapped in _s()\n : transformSpecialNewlines(JSON.stringify(text.text))) + \")\")\n}\n\nfunction genComment (comment) {\n return (\"_e(\" + (JSON.stringify(comment.text)) + \")\")\n}\n\nfunction genSlot (el, state) {\n var slotName = el.slotName || '\"default\"';\n var children = genChildren(el, state);\n var res = \"_t(\" + slotName + (children ? (\",\" + children) : '');\n var attrs = el.attrs && (\"{\" + (el.attrs.map(function (a) { return ((camelize(a.name)) + \":\" + (a.value)); }).join(',')) + \"}\");\n var bind$$1 = el.attrsMap['v-bind'];\n if ((attrs || bind$$1) && !children) {\n res += \",null\";\n }\n if (attrs) {\n res += \",\" + attrs;\n }\n if (bind$$1) {\n res += (attrs ? '' : ',null') + \",\" + bind$$1;\n }\n return res + ')'\n}\n\n// componentName is el.component, take it as argument to shun flow's pessimistic refinement\nfunction genComponent (\n componentName,\n el,\n state\n) {\n var children = el.inlineTemplate ? null : genChildren(el, state, true);\n return (\"_c(\" + componentName + \",\" + (genData$2(el, state)) + (children ? (\",\" + children) : '') + \")\")\n}\n\nfunction genProps (props) {\n var res = '';\n for (var i = 0; i < props.length; i++) {\n var prop = props[i];\n res += \"\\\"\" + (prop.name) + \"\\\":\" + (transformSpecialNewlines(prop.value)) + \",\";\n }\n return res.slice(0, -1)\n}\n\n// #3895, #4268\nfunction transformSpecialNewlines (text) {\n return text\n .replace(/\\u2028/g, '\\\\u2028')\n .replace(/\\u2029/g, '\\\\u2029')\n}\n\n/* */\n\n// these keywords should not appear inside expressions, but operators like\n// typeof, instanceof and in are allowed\nvar prohibitedKeywordRE = new RegExp('\\\\b' + (\n 'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +\n 'super,throw,while,yield,delete,export,import,return,switch,default,' +\n 'extends,finally,continue,debugger,function,arguments'\n).split(',').join('\\\\b|\\\\b') + '\\\\b');\n\n// these unary operators should not be used as property/method names\nvar unaryOperatorsRE = new RegExp('\\\\b' + (\n 'delete,typeof,void'\n).split(',').join('\\\\s*\\\\([^\\\\)]*\\\\)|\\\\b') + '\\\\s*\\\\([^\\\\)]*\\\\)');\n\n// check valid identifier for v-for\nvar identRE = /[A-Za-z_$][\\w$]*/;\n\n// strip strings in expressions\nvar stripStringRE = /'(?:[^'\\\\]|\\\\.)*'|\"(?:[^\"\\\\]|\\\\.)*\"|`(?:[^`\\\\]|\\\\.)*\\$\\{|\\}(?:[^`\\\\]|\\\\.)*`|`(?:[^`\\\\]|\\\\.)*`/g;\n\n// detect problematic expressions in a template\nfunction detectErrors (ast) {\n var errors = [];\n if (ast) {\n checkNode(ast, errors);\n }\n return errors\n}\n\nfunction checkNode (node, errors) {\n if (node.type === 1) {\n for (var name in node.attrsMap) {\n if (dirRE.test(name)) {\n var value = node.attrsMap[name];\n if (value) {\n if (name === 'v-for') {\n checkFor(node, (\"v-for=\\\"\" + value + \"\\\"\"), errors);\n } else if (onRE.test(name)) {\n checkEvent(value, (name + \"=\\\"\" + value + \"\\\"\"), errors);\n } else {\n checkExpression(value, (name + \"=\\\"\" + value + \"\\\"\"), errors);\n }\n }\n }\n }\n if (node.children) {\n for (var i = 0; i < node.children.length; i++) {\n checkNode(node.children[i], errors);\n }\n }\n } else if (node.type === 2) {\n checkExpression(node.expression, node.text, errors);\n }\n}\n\nfunction checkEvent (exp, text, errors) {\n var stipped = exp.replace(stripStringRE, '');\n var keywordMatch = stipped.match(unaryOperatorsRE);\n if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {\n errors.push(\n \"avoid using JavaScript unary operator as property name: \" +\n \"\\\"\" + (keywordMatch[0]) + \"\\\" in expression \" + (text.trim())\n );\n }\n checkExpression(exp, text, errors);\n}\n\nfunction checkFor (node, text, errors) {\n checkExpression(node.for || '', text, errors);\n checkIdentifier(node.alias, 'v-for alias', text, errors);\n checkIdentifier(node.iterator1, 'v-for iterator', text, errors);\n checkIdentifier(node.iterator2, 'v-for iterator', text, errors);\n}\n\nfunction checkIdentifier (ident, type, text, errors) {\n if (typeof ident === 'string' && !identRE.test(ident)) {\n errors.push((\"invalid \" + type + \" \\\"\" + ident + \"\\\" in expression: \" + (text.trim())));\n }\n}\n\nfunction checkExpression (exp, text, errors) {\n try {\n new Function((\"return \" + exp));\n } catch (e) {\n var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);\n if (keywordMatch) {\n errors.push(\n \"avoid using JavaScript keyword as property name: \" +\n \"\\\"\" + (keywordMatch[0]) + \"\\\" in expression \" + (text.trim())\n );\n } else {\n errors.push((\"invalid expression: \" + (text.trim())));\n }\n }\n}\n\n/* */\n\nfunction createFunction (code, errors) {\n try {\n return new Function(code)\n } catch (err) {\n errors.push({ err: err, code: code });\n return noop\n }\n}\n\nfunction createCompileToFunctionFn (compile) {\n var cache = Object.create(null);\n\n return function compileToFunctions (\n template,\n options,\n vm\n ) {\n options = options || {};\n\n /* istanbul ignore if */\n if (false) {\n // detect possible CSP restriction\n try {\n new Function('return 1');\n } catch (e) {\n if (e.toString().match(/unsafe-eval|CSP/)) {\n warn(\n 'It seems you are using the standalone build of Vue.js in an ' +\n 'environment with Content Security Policy that prohibits unsafe-eval. ' +\n 'The template compiler cannot work in this environment. Consider ' +\n 'relaxing the policy to allow unsafe-eval or pre-compiling your ' +\n 'templates into render functions.'\n );\n }\n }\n }\n\n // check cache\n var key = options.delimiters\n ? String(options.delimiters) + template\n : template;\n if (cache[key]) {\n return cache[key]\n }\n\n // compile\n var compiled = compile(template, options);\n\n // check compilation errors/tips\n if (false) {\n if (compiled.errors && compiled.errors.length) {\n warn(\n \"Error compiling template:\\n\\n\" + template + \"\\n\\n\" +\n compiled.errors.map(function (e) { return (\"- \" + e); }).join('\\n') + '\\n',\n vm\n );\n }\n if (compiled.tips && compiled.tips.length) {\n compiled.tips.forEach(function (msg) { return tip(msg, vm); });\n }\n }\n\n // turn code into functions\n var res = {};\n var fnGenErrors = [];\n res.render = createFunction(compiled.render, fnGenErrors);\n res.staticRenderFns = compiled.staticRenderFns.map(function (code) {\n return createFunction(code, fnGenErrors)\n });\n\n // check function generation errors.\n // this should only happen if there is a bug in the compiler itself.\n // mostly for codegen development use\n /* istanbul ignore if */\n if (false) {\n if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {\n warn(\n \"Failed to generate render function:\\n\\n\" +\n fnGenErrors.map(function (ref) {\n var err = ref.err;\n var code = ref.code;\n\n return ((err.toString()) + \" in\\n\\n\" + code + \"\\n\");\n }).join('\\n'),\n vm\n );\n }\n }\n\n return (cache[key] = res)\n }\n}\n\n/* */\n\nfunction createCompilerCreator (baseCompile) {\n return function createCompiler (baseOptions) {\n function compile (\n template,\n options\n ) {\n var finalOptions = Object.create(baseOptions);\n var errors = [];\n var tips = [];\n finalOptions.warn = function (msg, tip) {\n (tip ? tips : errors).push(msg);\n };\n\n if (options) {\n // merge custom modules\n if (options.modules) {\n finalOptions.modules =\n (baseOptions.modules || []).concat(options.modules);\n }\n // merge custom directives\n if (options.directives) {\n finalOptions.directives = extend(\n Object.create(baseOptions.directives),\n options.directives\n );\n }\n // copy other options\n for (var key in options) {\n if (key !== 'modules' && key !== 'directives') {\n finalOptions[key] = options[key];\n }\n }\n }\n\n var compiled = baseCompile(template, finalOptions);\n if (false) {\n errors.push.apply(errors, detectErrors(compiled.ast));\n }\n compiled.errors = errors;\n compiled.tips = tips;\n return compiled\n }\n\n return {\n compile: compile,\n compileToFunctions: createCompileToFunctionFn(compile)\n }\n }\n}\n\n/* */\n\n// `createCompilerCreator` allows creating compilers that use alternative\n// parser/optimizer/codegen, e.g the SSR optimizing compiler.\n// Here we just export a default compiler using the default parts.\nvar createCompiler = createCompilerCreator(function baseCompile (\n template,\n options\n) {\n var ast = parse(template.trim(), options);\n optimize(ast, options);\n var code = generate(ast, options);\n return {\n ast: ast,\n render: code.render,\n staticRenderFns: code.staticRenderFns\n }\n});\n\n/* */\n\nvar ref$1 = createCompiler(baseOptions);\nvar compileToFunctions = ref$1.compileToFunctions;\n\n/* */\n\nvar idToTemplate = cached(function (id) {\n var el = query(id);\n return el && el.innerHTML\n});\n\nvar mount = Vue$3.prototype.$mount;\nVue$3.prototype.$mount = function (\n el,\n hydrating\n) {\n el = el && query(el);\n\n /* istanbul ignore if */\n if (el === document.body || el === document.documentElement) {\n \"production\" !== 'production' && warn(\n \"Do not mount Vue to or - mount to normal elements instead.\"\n );\n return this\n }\n\n var options = this.$options;\n // resolve template/el and convert to render function\n if (!options.render) {\n var template = options.template;\n if (template) {\n if (typeof template === 'string') {\n if (template.charAt(0) === '#') {\n template = idToTemplate(template);\n /* istanbul ignore if */\n if (false) {\n warn(\n (\"Template element not found or is empty: \" + (options.template)),\n this\n );\n }\n }\n } else if (template.nodeType) {\n template = template.innerHTML;\n } else {\n if (false) {\n warn('invalid template option:' + template, this);\n }\n return this\n }\n } else if (el) {\n template = getOuterHTML(el);\n }\n if (template) {\n /* istanbul ignore if */\n if (false) {\n mark('compile');\n }\n\n var ref = compileToFunctions(template, {\n shouldDecodeNewlines: shouldDecodeNewlines,\n delimiters: options.delimiters,\n comments: options.comments\n }, this);\n var render = ref.render;\n var staticRenderFns = ref.staticRenderFns;\n options.render = render;\n options.staticRenderFns = staticRenderFns;\n\n /* istanbul ignore if */\n if (false) {\n mark('compile end');\n measure(((this._name) + \" compile\"), 'compile', 'compile end');\n }\n }\n }\n return mount.call(this, el, hydrating)\n};\n\n/**\n * Get outerHTML of elements, taking care\n * of SVG elements in IE as well.\n */\nfunction getOuterHTML (el) {\n if (el.outerHTML) {\n return el.outerHTML\n } else {\n var container = document.createElement('div');\n container.appendChild(el.cloneNode(true));\n return container.innerHTML\n }\n}\n\nVue$3.compile = compileToFunctions;\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (Vue$3);\n\n/* WEBPACK VAR INJECTION */}.call(__webpack_exports__, __webpack_require__(0)))\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports) {\n\nmodule.exports = after\n\nfunction after(count, callback, err_cb) {\n var bail = false\n err_cb = err_cb || noop\n proxy.count = count\n\n return (count === 0) ? callback() : proxy\n\n function proxy(err, result) {\n if (proxy.count <= 0) {\n throw new Error('after called too many times')\n }\n --proxy.count\n\n // after first error, rest are passed to err_cb\n if (err) {\n bail = true\n callback(err)\n // future error callbacks will go to error handler\n callback = err_cb\n } else if (proxy.count === 0 && !bail) {\n callback(null, result)\n }\n }\n}\n\nfunction noop() {}\n\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports) {\n\n/**\n * An abstraction for slicing an arraybuffer even when\n * ArrayBuffer.prototype.slice is not supported\n *\n * @api public\n */\n\nmodule.exports = function(arraybuffer, start, end) {\n var bytes = arraybuffer.byteLength;\n start = start || 0;\n end = end || bytes;\n\n if (arraybuffer.slice) { return arraybuffer.slice(start, end); }\n\n if (start < 0) { start += bytes; }\n if (end < 0) { end += bytes; }\n if (end > bytes) { end = bytes; }\n\n if (start >= bytes || start >= end || bytes === 0) {\n return new ArrayBuffer(0);\n }\n\n var abv = new Uint8Array(arraybuffer);\n var result = new Uint8Array(end - start);\n for (var i = start, ii = 0; i < end; i++, ii++) {\n result[ii] = abv[i];\n }\n return result.buffer;\n};\n\n\n/***/ }),\n/* 26 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\nObject.defineProperty(__webpack_exports__, \"__esModule\", { value: true });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_socket_io_client__ = __webpack_require__(45);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_socket_io_client___default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_0_socket_io_client__);\n\n\n/* harmony default export */ __webpack_exports__[\"default\"] = ({\n name: 'application',\n\n data: function data() {\n return {\n counter: 0\n };\n },\n mounted: function mounted() {\n var _this = this;\n\n var socketUrl = '' + (__webpack_require__.i({\"NODE_ENV\":\"production\"}) === 'production' ? '' : 'http://192.168.1.12:1571/projects');\n var socket = __WEBPACK_IMPORTED_MODULE_0_socket_io_client___default()(socketUrl);\n\n socket.on('connect', function () {\n console.log('connected');\n });\n\n window.setInterval(function () {\n _this.counter++;\n }, 1000);\n }\n});\n\n/***/ }),\n/* 27 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\nObject.defineProperty(__webpack_exports__, \"__esModule\", { value: true });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_vue__ = __webpack_require__(23);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__components_application___ = __webpack_require__(22);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__components_application____default = __webpack_require__.n(__WEBPACK_IMPORTED_MODULE_1__components_application___);\n// The Vue build version to load with the `import` command\n// (runtime-only or standalone) has been set in webpack.base.conf with an alias.\n\n\n\n__WEBPACK_IMPORTED_MODULE_0_vue__[\"a\" /* default */].config.productionTip = false;\n\n/* eslint-disable no-new */\nnew __WEBPACK_IMPORTED_MODULE_0_vue__[\"a\" /* default */]({\n el: '#app',\n template: '
',\n components: { App: __WEBPACK_IMPORTED_MODULE_1__components_application____default.a }\n});\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports) {\n\n\n/**\n * Expose `Backoff`.\n */\n\nmodule.exports = Backoff;\n\n/**\n * Initialize backoff timer with `opts`.\n *\n * - `min` initial timeout in milliseconds [100]\n * - `max` max timeout [10000]\n * - `jitter` [0]\n * - `factor` [2]\n *\n * @param {Object} opts\n * @api public\n */\n\nfunction Backoff(opts) {\n opts = opts || {};\n this.ms = opts.min || 100;\n this.max = opts.max || 10000;\n this.factor = opts.factor || 2;\n this.jitter = opts.jitter > 0 && opts.jitter <= 1 ? opts.jitter : 0;\n this.attempts = 0;\n}\n\n/**\n * Return the backoff duration.\n *\n * @return {Number}\n * @api public\n */\n\nBackoff.prototype.duration = function(){\n var ms = this.ms * Math.pow(this.factor, this.attempts++);\n if (this.jitter) {\n var rand = Math.random();\n var deviation = Math.floor(rand * this.jitter * ms);\n ms = (Math.floor(rand * 10) & 1) == 0 ? ms - deviation : ms + deviation;\n }\n return Math.min(ms, this.max) | 0;\n};\n\n/**\n * Reset the number of attempts.\n *\n * @api public\n */\n\nBackoff.prototype.reset = function(){\n this.attempts = 0;\n};\n\n/**\n * Set the minimum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMin = function(min){\n this.ms = min;\n};\n\n/**\n * Set the maximum duration\n *\n * @api public\n */\n\nBackoff.prototype.setMax = function(max){\n this.max = max;\n};\n\n/**\n * Set the jitter\n *\n * @api public\n */\n\nBackoff.prototype.setJitter = function(jitter){\n this.jitter = jitter;\n};\n\n\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports) {\n\n/*\n * base64-arraybuffer\n * https://github.com/niklasvh/base64-arraybuffer\n *\n * Copyright (c) 2012 Niklas von Hertzen\n * Licensed under the MIT license.\n */\n(function(){\n \"use strict\";\n\n var chars = \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/\";\n\n // Use a lookup table to find the index.\n var lookup = new Uint8Array(256);\n for (var i = 0; i < chars.length; i++) {\n lookup[chars.charCodeAt(i)] = i;\n }\n\n exports.encode = function(arraybuffer) {\n var bytes = new Uint8Array(arraybuffer),\n i, len = bytes.length, base64 = \"\";\n\n for (i = 0; i < len; i+=3) {\n base64 += chars[bytes[i] >> 2];\n base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];\n base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];\n base64 += chars[bytes[i + 2] & 63];\n }\n\n if ((len % 3) === 2) {\n base64 = base64.substring(0, base64.length - 1) + \"=\";\n } else if (len % 3 === 1) {\n base64 = base64.substring(0, base64.length - 2) + \"==\";\n }\n\n return base64;\n };\n\n exports.decode = function(base64) {\n var bufferLength = base64.length * 0.75,\n len = base64.length, i, p = 0,\n encoded1, encoded2, encoded3, encoded4;\n\n if (base64[base64.length - 1] === \"=\") {\n bufferLength--;\n if (base64[base64.length - 2] === \"=\") {\n bufferLength--;\n }\n }\n\n var arraybuffer = new ArrayBuffer(bufferLength),\n bytes = new Uint8Array(arraybuffer);\n\n for (i = 0; i < len; i+=4) {\n encoded1 = lookup[base64.charCodeAt(i)];\n encoded2 = lookup[base64.charCodeAt(i+1)];\n encoded3 = lookup[base64.charCodeAt(i+2)];\n encoded4 = lookup[base64.charCodeAt(i+3)];\n\n bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);\n bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);\n bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);\n }\n\n return arraybuffer;\n };\n})();\n\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/* WEBPACK VAR INJECTION */(function(global) {/**\n * Create a blob builder even when vendor prefixes exist\n */\n\nvar BlobBuilder = global.BlobBuilder\n || global.WebKitBlobBuilder\n || global.MSBlobBuilder\n || global.MozBlobBuilder;\n\n/**\n * Check if Blob constructor is supported\n */\n\nvar blobSupported = (function() {\n try {\n var a = new Blob(['hi']);\n return a.size === 2;\n } catch(e) {\n return false;\n }\n})();\n\n/**\n * Check if Blob constructor supports ArrayBufferViews\n * Fails in Safari 6, so we need to map to ArrayBuffers there.\n */\n\nvar blobSupportsArrayBufferView = blobSupported && (function() {\n try {\n var b = new Blob([new Uint8Array([1,2])]);\n return b.size === 2;\n } catch(e) {\n return false;\n }\n})();\n\n/**\n * Check if BlobBuilder is supported\n */\n\nvar blobBuilderSupported = BlobBuilder\n && BlobBuilder.prototype.append\n && BlobBuilder.prototype.getBlob;\n\n/**\n * Helper function that maps ArrayBufferViews to ArrayBuffers\n * Used by BlobBuilder constructor and old browsers that didn't\n * support it in the Blob constructor.\n */\n\nfunction mapArrayBufferViews(ary) {\n for (var i = 0; i < ary.length; i++) {\n var chunk = ary[i];\n if (chunk.buffer instanceof ArrayBuffer) {\n var buf = chunk.buffer;\n\n // if this is a subarray, make a copy so we only\n // include the subarray region from the underlying buffer\n if (chunk.byteLength !== buf.byteLength) {\n var copy = new Uint8Array(chunk.byteLength);\n copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));\n buf = copy.buffer;\n }\n\n ary[i] = buf;\n }\n }\n}\n\nfunction BlobBuilderConstructor(ary, options) {\n options = options || {};\n\n var bb = new BlobBuilder();\n mapArrayBufferViews(ary);\n\n for (var i = 0; i < ary.length; i++) {\n bb.append(ary[i]);\n }\n\n return (options.type) ? bb.getBlob(options.type) : bb.getBlob();\n};\n\nfunction BlobConstructor(ary, options) {\n mapArrayBufferViews(ary);\n return new Blob(ary, options || {});\n};\n\nmodule.exports = (function() {\n if (blobSupported) {\n return blobSupportsArrayBufferView ? global.Blob : BlobConstructor;\n } else if (blobBuilderSupported) {\n return BlobBuilderConstructor;\n } else {\n return undefined;\n }\n})();\n\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\nmodule.exports = __webpack_require__(32);\n\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\nmodule.exports = __webpack_require__(33);\n\n/**\n * Exports parser\n *\n * @api public\n *\n */\nmodule.exports.parser = __webpack_require__(2);\n\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/* WEBPACK VAR INJECTION */(function(global) {/**\n * Module dependencies.\n */\n\nvar transports = __webpack_require__(12);\nvar Emitter = __webpack_require__(1);\nvar debug = __webpack_require__(4)('engine.io-client:socket');\nvar index = __webpack_require__(15);\nvar parser = __webpack_require__(2);\nvar parseuri = __webpack_require__(16);\nvar parsejson = __webpack_require__(44);\nvar parseqs = __webpack_require__(5);\n\n/**\n * Module exports.\n */\n\nmodule.exports = Socket;\n\n/**\n * Socket constructor.\n *\n * @param {String|Object} uri or options\n * @param {Object} options\n * @api public\n */\n\nfunction Socket (uri, opts) {\n if (!(this instanceof Socket)) return new Socket(uri, opts);\n\n opts = opts || {};\n\n if (uri && 'object' === typeof uri) {\n opts = uri;\n uri = null;\n }\n\n if (uri) {\n uri = parseuri(uri);\n opts.hostname = uri.host;\n opts.secure = uri.protocol === 'https' || uri.protocol === 'wss';\n opts.port = uri.port;\n if (uri.query) opts.query = uri.query;\n } else if (opts.host) {\n opts.hostname = parseuri(opts.host).host;\n }\n\n this.secure = null != opts.secure ? opts.secure\n : (global.location && 'https:' === location.protocol);\n\n if (opts.hostname && !opts.port) {\n // if no port is specified manually, use the protocol default\n opts.port = this.secure ? '443' : '80';\n }\n\n this.agent = opts.agent || false;\n this.hostname = opts.hostname ||\n (global.location ? location.hostname : 'localhost');\n this.port = opts.port || (global.location && location.port\n ? location.port\n : (this.secure ? 443 : 80));\n this.query = opts.query || {};\n if ('string' === typeof this.query) this.query = parseqs.decode(this.query);\n this.upgrade = false !== opts.upgrade;\n this.path = (opts.path || '/engine.io').replace(/\\/$/, '') + '/';\n this.forceJSONP = !!opts.forceJSONP;\n this.jsonp = false !== opts.jsonp;\n this.forceBase64 = !!opts.forceBase64;\n this.enablesXDR = !!opts.enablesXDR;\n this.timestampParam = opts.timestampParam || 't';\n this.timestampRequests = opts.timestampRequests;\n this.transports = opts.transports || ['polling', 'websocket'];\n this.transportOptions = opts.transportOptions || {};\n this.readyState = '';\n this.writeBuffer = [];\n this.prevBufferLen = 0;\n this.policyPort = opts.policyPort || 843;\n this.rememberUpgrade = opts.rememberUpgrade || false;\n this.binaryType = null;\n this.onlyBinaryUpgrades = opts.onlyBinaryUpgrades;\n this.perMessageDeflate = false !== opts.perMessageDeflate ? (opts.perMessageDeflate || {}) : false;\n\n if (true === this.perMessageDeflate) this.perMessageDeflate = {};\n if (this.perMessageDeflate && null == this.perMessageDeflate.threshold) {\n this.perMessageDeflate.threshold = 1024;\n }\n\n // SSL options for Node.js client\n this.pfx = opts.pfx || null;\n this.key = opts.key || null;\n this.passphrase = opts.passphrase || null;\n this.cert = opts.cert || null;\n this.ca = opts.ca || null;\n this.ciphers = opts.ciphers || null;\n this.rejectUnauthorized = opts.rejectUnauthorized === undefined ? true : opts.rejectUnauthorized;\n this.forceNode = !!opts.forceNode;\n\n // other options for Node.js client\n var freeGlobal = typeof global === 'object' && global;\n if (freeGlobal.global === freeGlobal) {\n if (opts.extraHeaders && Object.keys(opts.extraHeaders).length > 0) {\n this.extraHeaders = opts.extraHeaders;\n }\n\n if (opts.localAddress) {\n this.localAddress = opts.localAddress;\n }\n }\n\n // set on handshake\n this.id = null;\n this.upgrades = null;\n this.pingInterval = null;\n this.pingTimeout = null;\n\n // set on heartbeat\n this.pingIntervalTimer = null;\n this.pingTimeoutTimer = null;\n\n this.open();\n}\n\nSocket.priorWebsocketSuccess = false;\n\n/**\n * Mix in `Emitter`.\n */\n\nEmitter(Socket.prototype);\n\n/**\n * Protocol version.\n *\n * @api public\n */\n\nSocket.protocol = parser.protocol; // this is an int\n\n/**\n * Expose deps for legacy compatibility\n * and standalone browser access.\n */\n\nSocket.Socket = Socket;\nSocket.Transport = __webpack_require__(7);\nSocket.transports = __webpack_require__(12);\nSocket.parser = __webpack_require__(2);\n\n/**\n * Creates transport of the given type.\n *\n * @param {String} transport name\n * @return {Transport}\n * @api private\n */\n\nSocket.prototype.createTransport = function (name) {\n debug('creating transport \"%s\"', name);\n var query = clone(this.query);\n\n // append engine.io protocol identifier\n query.EIO = parser.protocol;\n\n // transport name\n query.transport = name;\n\n // per-transport options\n var options = this.transportOptions[name] || {};\n\n // session id if we already have one\n if (this.id) query.sid = this.id;\n\n var transport = new transports[name]({\n query: query,\n socket: this,\n agent: options.agent || this.agent,\n hostname: options.hostname || this.hostname,\n port: options.port || this.port,\n secure: options.secure || this.secure,\n path: options.path || this.path,\n forceJSONP: options.forceJSONP || this.forceJSONP,\n jsonp: options.jsonp || this.jsonp,\n forceBase64: options.forceBase64 || this.forceBase64,\n enablesXDR: options.enablesXDR || this.enablesXDR,\n timestampRequests: options.timestampRequests || this.timestampRequests,\n timestampParam: options.timestampParam || this.timestampParam,\n policyPort: options.policyPort || this.policyPort,\n pfx: options.pfx || this.pfx,\n key: options.key || this.key,\n passphrase: options.passphrase || this.passphrase,\n cert: options.cert || this.cert,\n ca: options.ca || this.ca,\n ciphers: options.ciphers || this.ciphers,\n rejectUnauthorized: options.rejectUnauthorized || this.rejectUnauthorized,\n perMessageDeflate: options.perMessageDeflate || this.perMessageDeflate,\n extraHeaders: options.extraHeaders || this.extraHeaders,\n forceNode: options.forceNode || this.forceNode,\n localAddress: options.localAddress || this.localAddress,\n requestTimeout: options.requestTimeout || this.requestTimeout,\n protocols: options.protocols || void (0)\n });\n\n return transport;\n};\n\nfunction clone (obj) {\n var o = {};\n for (var i in obj) {\n if (obj.hasOwnProperty(i)) {\n o[i] = obj[i];\n }\n }\n return o;\n}\n\n/**\n * Initializes transport to use and starts probe.\n *\n * @api private\n */\nSocket.prototype.open = function () {\n var transport;\n if (this.rememberUpgrade && Socket.priorWebsocketSuccess && this.transports.indexOf('websocket') !== -1) {\n transport = 'websocket';\n } else if (0 === this.transports.length) {\n // Emit error on next tick so it can be listened to\n var self = this;\n setTimeout(function () {\n self.emit('error', 'No transports available');\n }, 0);\n return;\n } else {\n transport = this.transports[0];\n }\n this.readyState = 'opening';\n\n // Retry with the next transport if the transport is disabled (jsonp: false)\n try {\n transport = this.createTransport(transport);\n } catch (e) {\n this.transports.shift();\n this.open();\n return;\n }\n\n transport.open();\n this.setTransport(transport);\n};\n\n/**\n * Sets the current transport. Disables the existing one (if any).\n *\n * @api private\n */\n\nSocket.prototype.setTransport = function (transport) {\n debug('setting transport %s', transport.name);\n var self = this;\n\n if (this.transport) {\n debug('clearing existing transport %s', this.transport.name);\n this.transport.removeAllListeners();\n }\n\n // set up transport\n this.transport = transport;\n\n // set up transport listeners\n transport\n .on('drain', function () {\n self.onDrain();\n })\n .on('packet', function (packet) {\n self.onPacket(packet);\n })\n .on('error', function (e) {\n self.onError(e);\n })\n .on('close', function () {\n self.onClose('transport close');\n });\n};\n\n/**\n * Probes a transport.\n *\n * @param {String} transport name\n * @api private\n */\n\nSocket.prototype.probe = function (name) {\n debug('probing transport \"%s\"', name);\n var transport = this.createTransport(name, { probe: 1 });\n var failed = false;\n var self = this;\n\n Socket.priorWebsocketSuccess = false;\n\n function onTransportOpen () {\n if (self.onlyBinaryUpgrades) {\n var upgradeLosesBinary = !this.supportsBinary && self.transport.supportsBinary;\n failed = failed || upgradeLosesBinary;\n }\n if (failed) return;\n\n debug('probe transport \"%s\" opened', name);\n transport.send([{ type: 'ping', data: 'probe' }]);\n transport.once('packet', function (msg) {\n if (failed) return;\n if ('pong' === msg.type && 'probe' === msg.data) {\n debug('probe transport \"%s\" pong', name);\n self.upgrading = true;\n self.emit('upgrading', transport);\n if (!transport) return;\n Socket.priorWebsocketSuccess = 'websocket' === transport.name;\n\n debug('pausing current transport \"%s\"', self.transport.name);\n self.transport.pause(function () {\n if (failed) return;\n if ('closed' === self.readyState) return;\n debug('changing transport and sending upgrade packet');\n\n cleanup();\n\n self.setTransport(transport);\n transport.send([{ type: 'upgrade' }]);\n self.emit('upgrade', transport);\n transport = null;\n self.upgrading = false;\n self.flush();\n });\n } else {\n debug('probe transport \"%s\" failed', name);\n var err = new Error('probe error');\n err.transport = transport.name;\n self.emit('upgradeError', err);\n }\n });\n }\n\n function freezeTransport () {\n if (failed) return;\n\n // Any callback called by transport should be ignored since now\n failed = true;\n\n cleanup();\n\n transport.close();\n transport = null;\n }\n\n // Handle any error that happens while probing\n function onerror (err) {\n var error = new Error('probe error: ' + err);\n error.transport = transport.name;\n\n freezeTransport();\n\n debug('probe transport \"%s\" failed because of error: %s', name, err);\n\n self.emit('upgradeError', error);\n }\n\n function onTransportClose () {\n onerror('transport closed');\n }\n\n // When the socket is closed while we're probing\n function onclose () {\n onerror('socket closed');\n }\n\n // When the socket is upgraded while we're probing\n function onupgrade (to) {\n if (transport && to.name !== transport.name) {\n debug('\"%s\" works - aborting \"%s\"', to.name, transport.name);\n freezeTransport();\n }\n }\n\n // Remove all listeners on the transport and on self\n function cleanup () {\n transport.removeListener('open', onTransportOpen);\n transport.removeListener('error', onerror);\n transport.removeListener('close', onTransportClose);\n self.removeListener('close', onclose);\n self.removeListener('upgrading', onupgrade);\n }\n\n transport.once('open', onTransportOpen);\n transport.once('error', onerror);\n transport.once('close', onTransportClose);\n\n this.once('close', onclose);\n this.once('upgrading', onupgrade);\n\n transport.open();\n};\n\n/**\n * Called when connection is deemed open.\n *\n * @api public\n */\n\nSocket.prototype.onOpen = function () {\n debug('socket open');\n this.readyState = 'open';\n Socket.priorWebsocketSuccess = 'websocket' === this.transport.name;\n this.emit('open');\n this.flush();\n\n // we check for `readyState` in case an `open`\n // listener already closed the socket\n if ('open' === this.readyState && this.upgrade && this.transport.pause) {\n debug('starting upgrade probes');\n for (var i = 0, l = this.upgrades.length; i < l; i++) {\n this.probe(this.upgrades[i]);\n }\n }\n};\n\n/**\n * Handles a packet.\n *\n * @api private\n */\n\nSocket.prototype.onPacket = function (packet) {\n if ('opening' === this.readyState || 'open' === this.readyState ||\n 'closing' === this.readyState) {\n debug('socket receive: type \"%s\", data \"%s\"', packet.type, packet.data);\n\n this.emit('packet', packet);\n\n // Socket is live - any packet counts\n this.emit('heartbeat');\n\n switch (packet.type) {\n case 'open':\n this.onHandshake(parsejson(packet.data));\n break;\n\n case 'pong':\n this.setPing();\n this.emit('pong');\n break;\n\n case 'error':\n var err = new Error('server error');\n err.code = packet.data;\n this.onError(err);\n break;\n\n case 'message':\n this.emit('data', packet.data);\n this.emit('message', packet.data);\n break;\n }\n } else {\n debug('packet received with socket readyState \"%s\"', this.readyState);\n }\n};\n\n/**\n * Called upon handshake completion.\n *\n * @param {Object} handshake obj\n * @api private\n */\n\nSocket.prototype.onHandshake = function (data) {\n this.emit('handshake', data);\n this.id = data.sid;\n this.transport.query.sid = data.sid;\n this.upgrades = this.filterUpgrades(data.upgrades);\n this.pingInterval = data.pingInterval;\n this.pingTimeout = data.pingTimeout;\n this.onOpen();\n // In case open handler closes socket\n if ('closed' === this.readyState) return;\n this.setPing();\n\n // Prolong liveness of socket on heartbeat\n this.removeListener('heartbeat', this.onHeartbeat);\n this.on('heartbeat', this.onHeartbeat);\n};\n\n/**\n * Resets ping timeout.\n *\n * @api private\n */\n\nSocket.prototype.onHeartbeat = function (timeout) {\n clearTimeout(this.pingTimeoutTimer);\n var self = this;\n self.pingTimeoutTimer = setTimeout(function () {\n if ('closed' === self.readyState) return;\n self.onClose('ping timeout');\n }, timeout || (self.pingInterval + self.pingTimeout));\n};\n\n/**\n * Pings server every `this.pingInterval` and expects response\n * within `this.pingTimeout` or closes connection.\n *\n * @api private\n */\n\nSocket.prototype.setPing = function () {\n var self = this;\n clearTimeout(self.pingIntervalTimer);\n self.pingIntervalTimer = setTimeout(function () {\n debug('writing ping packet - expecting pong within %sms', self.pingTimeout);\n self.ping();\n self.onHeartbeat(self.pingTimeout);\n }, self.pingInterval);\n};\n\n/**\n* Sends a ping packet.\n*\n* @api private\n*/\n\nSocket.prototype.ping = function () {\n var self = this;\n this.sendPacket('ping', function () {\n self.emit('ping');\n });\n};\n\n/**\n * Called on `drain` event\n *\n * @api private\n */\n\nSocket.prototype.onDrain = function () {\n this.writeBuffer.splice(0, this.prevBufferLen);\n\n // setting prevBufferLen = 0 is very important\n // for example, when upgrading, upgrade packet is sent over,\n // and a nonzero prevBufferLen could cause problems on `drain`\n this.prevBufferLen = 0;\n\n if (0 === this.writeBuffer.length) {\n this.emit('drain');\n } else {\n this.flush();\n }\n};\n\n/**\n * Flush write buffers.\n *\n * @api private\n */\n\nSocket.prototype.flush = function () {\n if ('closed' !== this.readyState && this.transport.writable &&\n !this.upgrading && this.writeBuffer.length) {\n debug('flushing %d packets in socket', this.writeBuffer.length);\n this.transport.send(this.writeBuffer);\n // keep track of current length of writeBuffer\n // splice writeBuffer and callbackBuffer on `drain`\n this.prevBufferLen = this.writeBuffer.length;\n this.emit('flush');\n }\n};\n\n/**\n * Sends a message.\n *\n * @param {String} message.\n * @param {Function} callback function.\n * @param {Object} options.\n * @return {Socket} for chaining.\n * @api public\n */\n\nSocket.prototype.write =\nSocket.prototype.send = function (msg, options, fn) {\n this.sendPacket('message', msg, options, fn);\n return this;\n};\n\n/**\n * Sends a packet.\n *\n * @param {String} packet type.\n * @param {String} data.\n * @param {Object} options.\n * @param {Function} callback function.\n * @api private\n */\n\nSocket.prototype.sendPacket = function (type, data, options, fn) {\n if ('function' === typeof data) {\n fn = data;\n data = undefined;\n }\n\n if ('function' === typeof options) {\n fn = options;\n options = null;\n }\n\n if ('closing' === this.readyState || 'closed' === this.readyState) {\n return;\n }\n\n options = options || {};\n options.compress = false !== options.compress;\n\n var packet = {\n type: type,\n data: data,\n options: options\n };\n this.emit('packetCreate', packet);\n this.writeBuffer.push(packet);\n if (fn) this.once('flush', fn);\n this.flush();\n};\n\n/**\n * Closes the connection.\n *\n * @api private\n */\n\nSocket.prototype.close = function () {\n if ('opening' === this.readyState || 'open' === this.readyState) {\n this.readyState = 'closing';\n\n var self = this;\n\n if (this.writeBuffer.length) {\n this.once('drain', function () {\n if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n });\n } else if (this.upgrading) {\n waitForUpgrade();\n } else {\n close();\n }\n }\n\n function close () {\n self.onClose('forced close');\n debug('socket closing - telling transport to close');\n self.transport.close();\n }\n\n function cleanupAndClose () {\n self.removeListener('upgrade', cleanupAndClose);\n self.removeListener('upgradeError', cleanupAndClose);\n close();\n }\n\n function waitForUpgrade () {\n // wait for upgrade to finish since we can't send packets while pausing a transport\n self.once('upgrade', cleanupAndClose);\n self.once('upgradeError', cleanupAndClose);\n }\n\n return this;\n};\n\n/**\n * Called upon transport error\n *\n * @api private\n */\n\nSocket.prototype.onError = function (err) {\n debug('socket error %j', err);\n Socket.priorWebsocketSuccess = false;\n this.emit('error', err);\n this.onClose('transport error', err);\n};\n\n/**\n * Called upon transport close.\n *\n * @api private\n */\n\nSocket.prototype.onClose = function (reason, desc) {\n if ('opening' === this.readyState || 'open' === this.readyState || 'closing' === this.readyState) {\n debug('socket close with reason: \"%s\"', reason);\n var self = this;\n\n // clear timers\n clearTimeout(this.pingIntervalTimer);\n clearTimeout(this.pingTimeoutTimer);\n\n // stop event from firing again for transport\n this.transport.removeAllListeners('close');\n\n // ensure transport won't stay open\n this.transport.close();\n\n // ignore further transport communication\n this.transport.removeAllListeners();\n\n // set ready state\n this.readyState = 'closed';\n\n // clear session id\n this.id = null;\n\n // emit close event\n this.emit('close', reason, desc);\n\n // clean buffers after, so users can still\n // grab the buffers on `close` event\n self.writeBuffer = [];\n self.prevBufferLen = 0;\n }\n};\n\n/**\n * Filters upgrades, returning only those matching client transports.\n *\n * @param {Array} server upgrades\n * @api private\n *\n */\n\nSocket.prototype.filterUpgrades = function (upgrades) {\n var filteredUpgrades = [];\n for (var i = 0, j = upgrades.length; i < j; i++) {\n if (~index(this.transports, upgrades[i])) filteredUpgrades.push(upgrades[i]);\n }\n return filteredUpgrades;\n};\n\n/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/* WEBPACK VAR INJECTION */(function(global) {\n/**\n * Module requirements.\n */\n\nvar Polling = __webpack_require__(13);\nvar inherit = __webpack_require__(3);\n\n/**\n * Module exports.\n */\n\nmodule.exports = JSONPPolling;\n\n/**\n * Cached regular expressions.\n */\n\nvar rNewline = /\\n/g;\nvar rEscapedNewline = /\\\\n/g;\n\n/**\n * Global JSONP callbacks.\n */\n\nvar callbacks;\n\n/**\n * Noop.\n */\n\nfunction empty () { }\n\n/**\n * JSONP Polling constructor.\n *\n * @param {Object} opts.\n * @api public\n */\n\nfunction JSONPPolling (opts) {\n Polling.call(this, opts);\n\n this.query = this.query || {};\n\n // define global callbacks array if not present\n // we do this here (lazily) to avoid unneeded global pollution\n if (!callbacks) {\n // we need to consider multiple engines in the same page\n if (!global.___eio) global.___eio = [];\n callbacks = global.___eio;\n }\n\n // callback identifier\n this.index = callbacks.length;\n\n // add callback to jsonp global\n var self = this;\n callbacks.push(function (msg) {\n self.onData(msg);\n });\n\n // append to query string\n this.query.j = this.index;\n\n // prevent spurious errors from being emitted when the window is unloaded\n if (global.document && global.addEventListener) {\n global.addEventListener('beforeunload', function () {\n if (self.script) self.script.onerror = empty;\n }, false);\n }\n}\n\n/**\n * Inherits from Polling.\n */\n\ninherit(JSONPPolling, Polling);\n\n/*\n * JSONP only supports binary as base64 encoded strings\n */\n\nJSONPPolling.prototype.supportsBinary = false;\n\n/**\n * Closes the socket.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doClose = function () {\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n if (this.form) {\n this.form.parentNode.removeChild(this.form);\n this.form = null;\n this.iframe = null;\n }\n\n Polling.prototype.doClose.call(this);\n};\n\n/**\n * Starts a poll cycle.\n *\n * @api private\n */\n\nJSONPPolling.prototype.doPoll = function () {\n var self = this;\n var script = document.createElement('script');\n\n if (this.script) {\n this.script.parentNode.removeChild(this.script);\n this.script = null;\n }\n\n script.async = true;\n script.src = this.uri();\n script.onerror = function (e) {\n self.onError('jsonp poll error', e);\n };\n\n var insertAt = document.getElementsByTagName('script')[0];\n if (insertAt) {\n insertAt.parentNode.insertBefore(script, insertAt);\n } else {\n (document.head || document.body).appendChild(script);\n }\n this.script = script;\n\n var isUAgecko = 'undefined' !== typeof navigator && /gecko/i.test(navigator.userAgent);\n\n if (isUAgecko) {\n setTimeout(function () {\n var iframe = document.createElement('iframe');\n document.body.appendChild(iframe);\n document.body.removeChild(iframe);\n }, 100);\n }\n};\n\n/**\n * Writes with a hidden iframe.\n *\n * @param {String} data to send\n * @param {Function} called upon flush.\n * @api private\n */\n\nJSONPPolling.prototype.doWrite = function (data, fn) {\n var self = this;\n\n if (!this.form) {\n var form = document.createElement('form');\n var area = document.createElement('textarea');\n var id = this.iframeId = 'eio_iframe_' + this.index;\n var iframe;\n\n form.className = 'socketio';\n form.style.position = 'absolute';\n form.style.top = '-1000px';\n form.style.left = '-1000px';\n form.target = id;\n form.method = 'POST';\n form.setAttribute('accept-charset', 'utf-8');\n area.name = 'd';\n form.appendChild(area);\n document.body.appendChild(form);\n\n this.form = form;\n this.area = area;\n }\n\n this.form.action = this.uri();\n\n function complete () {\n initIframe();\n fn();\n }\n\n function initIframe () {\n if (self.iframe) {\n try {\n self.form.removeChild(self.iframe);\n } catch (e) {\n self.onError('jsonp polling iframe removal error', e);\n }\n }\n\n try {\n // ie6 dynamic iframes with target=\"\" support (thanks Chris Lambacher)\n var html = '