.'\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$1(child);\n if (!child.static) {\n node.static = false;\n }\n }\n }\n}\n\nfunction markStaticRoots (node, isInFor) {\n if (node.type === 1) {\n if (node.static || node.once) {\n node.staticInFor = isInFor;\n }\n // For a node to qualify as a static root, it should have children that\n // are not just static text. Otherwise the cost of hoisting out will\n // outweigh the benefits and it's better off to just always render it fresh.\n if (node.static && node.children.length && !(\n node.children.length === 1 &&\n node.children[0].type === 3\n )) {\n node.staticRoot = true;\n return\n } else {\n node.staticRoot = false;\n }\n if (node.children) {\n for (var i = 0, l = node.children.length; i < l; i++) {\n markStaticRoots(node.children[i], isInFor || !!node.for);\n }\n }\n if (node.ifConditions) {\n walkThroughConditionsBlocks(node.ifConditions, isInFor);\n }\n }\n}\n\nfunction walkThroughConditionsBlocks (conditionBlocks, isInFor) {\n for (var i = 1, len = conditionBlocks.length; i < len; i++) {\n markStaticRoots(conditionBlocks[i].block, isInFor);\n }\n}\n\nfunction isStatic (node) {\n if (node.type === 2) { // expression\n return false\n }\n if (node.type === 3) { // text\n return true\n }\n return !!(node.pre || (\n !node.hasBindings && // no dynamic bindings\n !node.if && !node.for && // not v-if or v-for or v-else\n !isBuiltInTag(node.tag) && // not a built-in\n isPlatformReservedTag(node.tag) && // not a component\n !isDirectChildOfTemplateFor(node) &&\n Object.keys(node).every(isStaticKey)\n ))\n}\n\nfunction isDirectChildOfTemplateFor (node) {\n while (node.parent) {\n node = node.parent;\n if (node.tag !== 'template') {\n return false\n }\n if (node.for) {\n return true\n }\n }\n return false\n}\n\n/* */\n\nvar fnExpRE = /^\\s*([\\w$_]+|\\([^)]*?\\))\\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 bind$1 (el, dir) {\n el.wrapData = function (code) {\n return (\"_b(\" + code + \",'\" + (el.tag) + \"',\" + (dir.value) + (dir.modifiers && dir.modifiers.prop ? ',true' : '') + \")\")\n };\n}\n\n/* */\n\nvar baseDirectives = {\n bind: bind$1,\n cloak: noop\n};\n\n/* */\n\n// configurable state\nvar warn$3;\nvar transforms$1;\nvar dataGenFns;\nvar platformDirectives$1;\nvar isPlatformReservedTag$1;\nvar staticRenderFns;\nvar onceCount;\nvar currentOptions;\n\nfunction generate (\n ast,\n options\n) {\n // save previous staticRenderFns so generate calls can be nested\n var prevStaticRenderFns = staticRenderFns;\n var currentStaticRenderFns = staticRenderFns = [];\n var prevOnceCount = onceCount;\n onceCount = 0;\n currentOptions = options;\n warn$3 = options.warn || baseWarn;\n transforms$1 = pluckModuleFunction(options.modules, 'transformCode');\n dataGenFns = pluckModuleFunction(options.modules, 'genData');\n platformDirectives$1 = options.directives || {};\n isPlatformReservedTag$1 = options.isReservedTag || no;\n var code = ast ? genElement(ast) : '_c(\"div\")';\n staticRenderFns = prevStaticRenderFns;\n onceCount = prevOnceCount;\n return {\n render: (\"with(this){return \" + code + \"}\"),\n staticRenderFns: currentStaticRenderFns\n }\n}\n\nfunction genElement (el) {\n if (el.staticRoot && !el.staticProcessed) {\n return genStatic(el)\n } else if (el.once && !el.onceProcessed) {\n return genOnce(el)\n } else if (el.for && !el.forProcessed) {\n return genFor(el)\n } else if (el.if && !el.ifProcessed) {\n return genIf(el)\n } else if (el.tag === 'template' && !el.slotTarget) {\n return genChildren(el) || 'void 0'\n } else if (el.tag === 'slot') {\n return genSlot(el)\n } else {\n // component or element\n var code;\n if (el.component) {\n code = genComponent(el.component, el);\n } else {\n var data = el.plain ? undefined : genData(el);\n\n var children = el.inlineTemplate ? null : genChildren(el, true);\n code = \"_c('\" + (el.tag) + \"'\" + (data ? (\",\" + data) : '') + (children ? (\",\" + children) : '') + \")\";\n }\n // module transforms\n for (var i = 0; i < transforms$1.length; i++) {\n code = transforms$1[i](el, code);\n }\n return code\n }\n}\n\n// hoist static sub-trees out\nfunction genStatic (el) {\n el.staticProcessed = true;\n staticRenderFns.push((\"with(this){return \" + (genElement(el)) + \"}\"));\n return (\"_m(\" + (staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + \")\")\n}\n\n// v-once\nfunction genOnce (el) {\n el.onceProcessed = true;\n if (el.if && !el.ifProcessed) {\n return genIf(el)\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' && warn$3(\n \"v-once can only be used inside v-for that is keyed. \"\n );\n return genElement(el)\n }\n return (\"_o(\" + (genElement(el)) + \",\" + (onceCount++) + (key ? (\",\" + key) : \"\") + \")\")\n } else {\n return genStatic(el)\n }\n}\n\nfunction genIf (el) {\n el.ifProcessed = true; // avoid recursion\n return genIfConditions(el.ifConditions.slice())\n}\n\nfunction genIfConditions (conditions) {\n if (!conditions.length) {\n return '_e()'\n }\n\n var condition = conditions.shift();\n if (condition.exp) {\n return (\"(\" + (condition.exp) + \")?\" + (genTernaryExp(condition.block)) + \":\" + (genIfConditions(conditions)))\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 el.once ? genOnce(el) : genElement(el)\n }\n}\n\nfunction genFor (el) {\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 (\n false\n ) {\n warn$3(\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 \"_l((\" + exp + \"),\" +\n \"function(\" + alias + iterator1 + iterator2 + \"){\" +\n \"return \" + (genElement(el)) +\n '})'\n}\n\nfunction genData (el) {\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);\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 < dataGenFns.length; i++) {\n data += 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, warn$3)) + \",\";\n }\n if (el.nativeEvents) {\n data += (genHandlers(el.nativeEvents, true, warn$3)) + \",\";\n }\n // slot target\n if (el.slotTarget) {\n data += \"slot:\" + (el.slotTarget) + \",\";\n }\n // scoped slots\n if (el.scopedSlots) {\n data += (genScopedSlots(el.scopedSlots)) + \",\";\n }\n // component v-model\n if (el.model) {\n data += \"model:{value:\" + (el.model.value) + \",callback:\" + (el.model.callback) + \",expression:\" + (el.model.expression) + \"},\";\n }\n // inline-template\n if (el.inlineTemplate) {\n var inlineTemplate = genInlineTemplate(el);\n if (inlineTemplate) {\n data += inlineTemplate + \",\";\n }\n }\n data = data.replace(/,$/, '') + '}';\n // v-bind data wrap\n if (el.wrapData) {\n data = el.wrapData(data);\n }\n return data\n}\n\nfunction genDirectives (el) {\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 = platformDirectives$1[dir.name] || baseDirectives[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, warn$3);\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) {\n var ast = el.children[0];\n if (false) {\n warn$3('Inline-template components must have exactly one child element.');\n }\n if (ast.type === 1) {\n var inlineRenderFns = generate(ast, currentOptions);\n return (\"inlineTemplate:{render:function(){\" + (inlineRenderFns.render) + \"},staticRenderFns:[\" + (inlineRenderFns.staticRenderFns.map(function (code) { return (\"function(){\" + code + \"}\"); }).join(',')) + \"]}\")\n }\n}\n\nfunction genScopedSlots (slots) {\n return (\"scopedSlots:_u([\" + (Object.keys(slots).map(function (key) { return genScopedSlot(key, slots[key]); }).join(',')) + \"])\")\n}\n\nfunction genScopedSlot (key, el) {\n if (el.for && !el.forProcessed) {\n return genForScopedSlot(key, el)\n }\n return \"{key:\" + key + \",fn:function(\" + (String(el.attrsMap.scope)) + \"){\" +\n \"return \" + (el.tag === 'template'\n ? genChildren(el) || 'void 0'\n : genElement(el)) + \"}}\"\n}\n\nfunction genForScopedSlot (key, el) {\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)) +\n '})'\n}\n\nfunction genChildren (el, checkSkip) {\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 genElement(el$1)\n }\n var normalizationType = checkSkip ? getNormalizationType(children) : 0;\n return (\"[\" + (children.map(genNode).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 (children) {\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 maybeComponent (el) {\n return !isPlatformReservedTag$1(el.tag)\n}\n\nfunction genNode (node) {\n if (node.type === 1) {\n return genElement(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 genSlot (el) {\n var slotName = el.slotName || '\"default\"';\n var children = genChildren(el);\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 (componentName, el) {\n var children = el.inlineTemplate ? null : genChildren(el, true);\n return (\"_c(\" + componentName + \",\" + (genData(el)) + (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 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\nfunction makeFunction (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 createCompiler (baseOptions) {\n var functionCompileCache = Object.create(null);\n\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$$1) {\n (tip$$1 ? tips : errors).push(msg);\n };\n\n if (options) {\n // merge custom modules\n if (options.modules) {\n finalOptions.modules = (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 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 (functionCompileCache[key]) {\n return functionCompileCache[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 = makeFunction(compiled.render, fnGenErrors);\n var l = compiled.staticRenderFns.length;\n res.staticRenderFns = new Array(l);\n for (var i = 0; i < l; i++) {\n res.staticRenderFns[i] = makeFunction(compiled.staticRenderFns[i], 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 (functionCompileCache[key] = res)\n }\n\n return {\n compile: compile,\n compileToFunctions: compileToFunctions\n }\n}\n\n/* */\n\nfunction transformNode (el, options) {\n var warn = options.warn || baseWarn;\n var staticClass = getAndRemoveAttr(el, 'class');\n if (false) {\n var expression = parseText(staticClass, options.delimiters);\n if (expression) {\n warn(\n \"class=\\\"\" + staticClass + \"\\\": \" +\n 'Interpolation inside attributes has been removed. ' +\n 'Use v-bind or the colon shorthand instead. For example, ' +\n 'instead of
, use
.'\n );\n }\n }\n if (staticClass) {\n el.staticClass = JSON.stringify(staticClass);\n }\n var classBinding = getBindingAttr(el, 'class', false /* getStatic */);\n if (classBinding) {\n el.classBinding = classBinding;\n }\n}\n\nfunction genData$1 (el) {\n var data = '';\n if (el.staticClass) {\n data += \"staticClass:\" + (el.staticClass) + \",\";\n }\n if (el.classBinding) {\n data += \"class:\" + (el.classBinding) + \",\";\n }\n return data\n}\n\nvar klass$1 = {\n staticKeys: ['staticClass'],\n transformNode: transformNode,\n genData: genData$1\n};\n\n/* */\n\nfunction transformNode$1 (el, options) {\n var warn = options.warn || baseWarn;\n var staticStyle = getAndRemoveAttr(el, 'style');\n if (staticStyle) {\n /* istanbul ignore if */\n if (false) {\n var expression = parseText(staticStyle, options.delimiters);\n if (expression) {\n warn(\n \"style=\\\"\" + staticStyle + \"\\\": \" +\n 'Interpolation inside attributes has been removed. ' +\n 'Use v-bind or the colon shorthand instead. For example, ' +\n 'instead of
, use
.'\n );\n }\n }\n el.staticStyle = JSON.stringify(parseStyleText(staticStyle));\n }\n\n var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);\n if (styleBinding) {\n el.styleBinding = styleBinding;\n }\n}\n\nfunction genData$2 (el) {\n var data = '';\n if (el.staticStyle) {\n data += \"staticStyle:\" + (el.staticStyle) + \",\";\n }\n if (el.styleBinding) {\n data += \"style:(\" + (el.styleBinding) + \"),\";\n }\n return data\n}\n\nvar style$1 = {\n staticKeys: ['staticStyle'],\n transformNode: transformNode$1,\n genData: genData$2\n};\n\nvar modules$1 = [\n klass$1,\n style$1\n];\n\n/* */\n\nfunction text (el, dir) {\n if (dir.value) {\n addProp(el, 'textContent', (\"_s(\" + (dir.value) + \")\"));\n }\n}\n\n/* */\n\nfunction html (el, dir) {\n if (dir.value) {\n addProp(el, 'innerHTML', (\"_s(\" + (dir.value) + \")\"));\n }\n}\n\nvar directives$1 = {\n model: model,\n text: text,\n html: html\n};\n\n/* */\n\nvar baseOptions = {\n expectHTML: true,\n modules: modules$1,\n directives: directives$1,\n isPreTag: isPreTag,\n isUnaryTag: isUnaryTag,\n mustUseProp: mustUseProp,\n canBeLeftOpenTag: canBeLeftOpenTag,\n isReservedTag: isReservedTag,\n getTagNamespace: getTagNamespace,\n staticKeys: genStaticKeys(modules$1)\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 }, 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__(50)))\n\n/***/ }),\n/* 11 */,\n/* 12 */\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = __webpack_require__(13);\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\nvar bind = __webpack_require__(7);\nvar Axios = __webpack_require__(15);\nvar defaults = __webpack_require__(2);\n\n/**\n * Create an instance of Axios\n *\n * @param {Object} defaultConfig The default config for the instance\n * @return {Axios} A new instance of Axios\n */\nfunction createInstance(defaultConfig) {\n var context = new Axios(defaultConfig);\n var instance = bind(Axios.prototype.request, context);\n\n // Copy axios.prototype to instance\n utils.extend(instance, Axios.prototype, context);\n\n // Copy context to instance\n utils.extend(instance, context);\n\n return instance;\n}\n\n// Create the default instance to be exported\nvar axios = createInstance(defaults);\n\n// Expose Axios class to allow class inheritance\naxios.Axios = Axios;\n\n// Factory for creating new instances\naxios.create = function create(instanceConfig) {\n return createInstance(utils.merge(defaults, instanceConfig));\n};\n\n// Expose Cancel & CancelToken\naxios.Cancel = __webpack_require__(4);\naxios.CancelToken = __webpack_require__(14);\naxios.isCancel = __webpack_require__(5);\n\n// Expose all/spread\naxios.all = function all(promises) {\n return Promise.all(promises);\n};\naxios.spread = __webpack_require__(29);\n\nmodule.exports = axios;\n\n// Allow use of default import syntax in TypeScript\nmodule.exports.default = axios;\n\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar Cancel = __webpack_require__(4);\n\n/**\n * A `CancelToken` is an object that can be used to request cancellation of an operation.\n *\n * @class\n * @param {Function} executor The executor function.\n */\nfunction CancelToken(executor) {\n if (typeof executor !== 'function') {\n throw new TypeError('executor must be a function.');\n }\n\n var resolvePromise;\n this.promise = new Promise(function promiseExecutor(resolve) {\n resolvePromise = resolve;\n });\n\n var token = this;\n executor(function cancel(message) {\n if (token.reason) {\n // Cancellation has already been requested\n return;\n }\n\n token.reason = new Cancel(message);\n resolvePromise(token.reason);\n });\n}\n\n/**\n * Throws a `Cancel` if cancellation has been requested.\n */\nCancelToken.prototype.throwIfRequested = function throwIfRequested() {\n if (this.reason) {\n throw this.reason;\n }\n};\n\n/**\n * Returns an object that contains a new `CancelToken` and a function that, when called,\n * cancels the `CancelToken`.\n */\nCancelToken.source = function source() {\n var cancel;\n var token = new CancelToken(function executor(c) {\n cancel = c;\n });\n return {\n token: token,\n cancel: cancel\n };\n};\n\nmodule.exports = CancelToken;\n\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar defaults = __webpack_require__(2);\nvar utils = __webpack_require__(0);\nvar InterceptorManager = __webpack_require__(16);\nvar dispatchRequest = __webpack_require__(17);\nvar isAbsoluteURL = __webpack_require__(25);\nvar combineURLs = __webpack_require__(23);\n\n/**\n * Create a new instance of Axios\n *\n * @param {Object} instanceConfig The default config for the instance\n */\nfunction Axios(instanceConfig) {\n this.defaults = instanceConfig;\n this.interceptors = {\n request: new InterceptorManager(),\n response: new InterceptorManager()\n };\n}\n\n/**\n * Dispatch a request\n *\n * @param {Object} config The config specific for this request (merged with this.defaults)\n */\nAxios.prototype.request = function request(config) {\n /*eslint no-param-reassign:0*/\n // Allow for axios('example/url'[, config]) a la fetch API\n if (typeof config === 'string') {\n config = utils.merge({\n url: arguments[0]\n }, arguments[1]);\n }\n\n config = utils.merge(defaults, this.defaults, { method: 'get' }, config);\n config.method = config.method.toLowerCase();\n\n // Support baseURL config\n if (config.baseURL && !isAbsoluteURL(config.url)) {\n config.url = combineURLs(config.baseURL, config.url);\n }\n\n // Hook up interceptors middleware\n var chain = [dispatchRequest, undefined];\n var promise = Promise.resolve(config);\n\n this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {\n chain.unshift(interceptor.fulfilled, interceptor.rejected);\n });\n\n this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {\n chain.push(interceptor.fulfilled, interceptor.rejected);\n });\n\n while (chain.length) {\n promise = promise.then(chain.shift(), chain.shift());\n }\n\n return promise;\n};\n\n// Provide aliases for supported request methods\nutils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {\n /*eslint func-names:0*/\n Axios.prototype[method] = function(url, config) {\n return this.request(utils.merge(config || {}, {\n method: method,\n url: url\n }));\n };\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n /*eslint func-names:0*/\n Axios.prototype[method] = function(url, data, config) {\n return this.request(utils.merge(config || {}, {\n method: method,\n url: url,\n data: data\n }));\n };\n});\n\nmodule.exports = Axios;\n\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\nfunction InterceptorManager() {\n this.handlers = [];\n}\n\n/**\n * Add a new interceptor to the stack\n *\n * @param {Function} fulfilled The function to handle `then` for a `Promise`\n * @param {Function} rejected The function to handle `reject` for a `Promise`\n *\n * @return {Number} An ID used to remove interceptor later\n */\nInterceptorManager.prototype.use = function use(fulfilled, rejected) {\n this.handlers.push({\n fulfilled: fulfilled,\n rejected: rejected\n });\n return this.handlers.length - 1;\n};\n\n/**\n * Remove an interceptor from the stack\n *\n * @param {Number} id The ID that was returned by `use`\n */\nInterceptorManager.prototype.eject = function eject(id) {\n if (this.handlers[id]) {\n this.handlers[id] = null;\n }\n};\n\n/**\n * Iterate over all the registered interceptors\n *\n * This method is particularly useful for skipping over any\n * interceptors that may have become `null` calling `eject`.\n *\n * @param {Function} fn The function to call for each interceptor\n */\nInterceptorManager.prototype.forEach = function forEach(fn) {\n utils.forEach(this.handlers, function forEachHandler(h) {\n if (h !== null) {\n fn(h);\n }\n });\n};\n\nmodule.exports = InterceptorManager;\n\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\nvar transformData = __webpack_require__(20);\nvar isCancel = __webpack_require__(5);\nvar defaults = __webpack_require__(2);\n\n/**\n * Throws a `Cancel` if cancellation has been requested.\n */\nfunction throwIfCancellationRequested(config) {\n if (config.cancelToken) {\n config.cancelToken.throwIfRequested();\n }\n}\n\n/**\n * Dispatch a request to the server using the configured adapter.\n *\n * @param {object} config The config that is to be used for the request\n * @returns {Promise} The Promise to be fulfilled\n */\nmodule.exports = function dispatchRequest(config) {\n throwIfCancellationRequested(config);\n\n // Ensure headers exist\n config.headers = config.headers || {};\n\n // Transform request data\n config.data = transformData(\n config.data,\n config.headers,\n config.transformRequest\n );\n\n // Flatten headers\n config.headers = utils.merge(\n config.headers.common || {},\n config.headers[config.method] || {},\n config.headers || {}\n );\n\n utils.forEach(\n ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],\n function cleanHeaderConfig(method) {\n delete config.headers[method];\n }\n );\n\n var adapter = config.adapter || defaults.adapter;\n\n return adapter(config).then(function onAdapterResolution(response) {\n throwIfCancellationRequested(config);\n\n // Transform response data\n response.data = transformData(\n response.data,\n response.headers,\n config.transformResponse\n );\n\n return response;\n }, function onAdapterRejection(reason) {\n if (!isCancel(reason)) {\n throwIfCancellationRequested(config);\n\n // Transform response data\n if (reason && reason.response) {\n reason.response.data = transformData(\n reason.response.data,\n reason.response.headers,\n config.transformResponse\n );\n }\n }\n\n return Promise.reject(reason);\n });\n};\n\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\n/**\n * Update an Error with the specified config, error code, and response.\n *\n * @param {Error} error The error to update.\n * @param {Object} config The config.\n * @param {string} [code] The error code (for example, 'ECONNABORTED').\n * @param {Object} [request] The request.\n * @param {Object} [response] The response.\n * @returns {Error} The error.\n */\nmodule.exports = function enhanceError(error, config, code, request, response) {\n error.config = config;\n if (code) {\n error.code = code;\n }\n error.request = request;\n error.response = response;\n return error;\n};\n\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar createError = __webpack_require__(6);\n\n/**\n * Resolve or reject a Promise based on response status.\n *\n * @param {Function} resolve A function that resolves the promise.\n * @param {Function} reject A function that rejects the promise.\n * @param {object} response The response.\n */\nmodule.exports = function settle(resolve, reject, response) {\n var validateStatus = response.config.validateStatus;\n // Note: status is not exposed by XDomainRequest\n if (!response.status || !validateStatus || validateStatus(response.status)) {\n resolve(response);\n } else {\n reject(createError(\n 'Request failed with status code ' + response.status,\n response.config,\n null,\n response.request,\n response\n ));\n }\n};\n\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\n/**\n * Transform the data for a request or a response\n *\n * @param {Object|String} data The data to be transformed\n * @param {Array} headers The headers for the request or response\n * @param {Array|Function} fns A single function or Array of functions\n * @returns {*} The resulting transformed data\n */\nmodule.exports = function transformData(data, headers, fns) {\n /*eslint no-param-reassign:0*/\n utils.forEach(fns, function transform(fn) {\n data = fn(data, headers);\n });\n\n return data;\n};\n\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\n// btoa polyfill for IE<10 courtesy https://github.com/davidchambers/Base64.js\n\nvar chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\nfunction E() {\n this.message = 'String contains an invalid character';\n}\nE.prototype = new Error;\nE.prototype.code = 5;\nE.prototype.name = 'InvalidCharacterError';\n\nfunction btoa(input) {\n var str = String(input);\n var output = '';\n for (\n // initialize result and counter\n var block, charCode, idx = 0, map = chars;\n // if the next str index does not exist:\n // change the mapping table to \"=\"\n // check if d has no fractional digits\n str.charAt(idx | 0) || (map = '=', idx % 1);\n // \"8 - idx % 1 * 8\" generates the sequence 2, 4, 6, 8\n output += map.charAt(63 & block >> 8 - idx % 1 * 8)\n ) {\n charCode = str.charCodeAt(idx += 3 / 4);\n if (charCode > 0xFF) {\n throw new E();\n }\n block = block << 8 | charCode;\n }\n return output;\n}\n\nmodule.exports = btoa;\n\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\nfunction encode(val) {\n return encodeURIComponent(val).\n replace(/%40/gi, '@').\n replace(/%3A/gi, ':').\n replace(/%24/g, '$').\n replace(/%2C/gi, ',').\n replace(/%20/g, '+').\n replace(/%5B/gi, '[').\n replace(/%5D/gi, ']');\n}\n\n/**\n * Build a URL by appending params to the end\n *\n * @param {string} url The base of the url (e.g., http://www.google.com)\n * @param {object} [params] The params to be appended\n * @returns {string} The formatted url\n */\nmodule.exports = function buildURL(url, params, paramsSerializer) {\n /*eslint no-param-reassign:0*/\n if (!params) {\n return url;\n }\n\n var serializedParams;\n if (paramsSerializer) {\n serializedParams = paramsSerializer(params);\n } else if (utils.isURLSearchParams(params)) {\n serializedParams = params.toString();\n } else {\n var parts = [];\n\n utils.forEach(params, function serialize(val, key) {\n if (val === null || typeof val === 'undefined') {\n return;\n }\n\n if (utils.isArray(val)) {\n key = key + '[]';\n }\n\n if (!utils.isArray(val)) {\n val = [val];\n }\n\n utils.forEach(val, function parseValue(v) {\n if (utils.isDate(v)) {\n v = v.toISOString();\n } else if (utils.isObject(v)) {\n v = JSON.stringify(v);\n }\n parts.push(encode(key) + '=' + encode(v));\n });\n });\n\n serializedParams = parts.join('&');\n }\n\n if (serializedParams) {\n url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;\n }\n\n return url;\n};\n\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\n/**\n * Creates a new URL by combining the specified URLs\n *\n * @param {string} baseURL The base URL\n * @param {string} relativeURL The relative URL\n * @returns {string} The combined URL\n */\nmodule.exports = function combineURLs(baseURL, relativeURL) {\n return relativeURL\n ? baseURL.replace(/\\/+$/, '') + '/' + relativeURL.replace(/^\\/+/, '')\n : baseURL;\n};\n\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\nmodule.exports = (\n utils.isStandardBrowserEnv() ?\n\n // Standard browser envs support document.cookie\n (function standardBrowserEnv() {\n return {\n write: function write(name, value, expires, path, domain, secure) {\n var cookie = [];\n cookie.push(name + '=' + encodeURIComponent(value));\n\n if (utils.isNumber(expires)) {\n cookie.push('expires=' + new Date(expires).toGMTString());\n }\n\n if (utils.isString(path)) {\n cookie.push('path=' + path);\n }\n\n if (utils.isString(domain)) {\n cookie.push('domain=' + domain);\n }\n\n if (secure === true) {\n cookie.push('secure');\n }\n\n document.cookie = cookie.join('; ');\n },\n\n read: function read(name) {\n var match = document.cookie.match(new RegExp('(^|;\\\\s*)(' + name + ')=([^;]*)'));\n return (match ? decodeURIComponent(match[3]) : null);\n },\n\n remove: function remove(name) {\n this.write(name, '', Date.now() - 86400000);\n }\n };\n })() :\n\n // Non standard browser env (web workers, react-native) lack needed support.\n (function nonStandardBrowserEnv() {\n return {\n write: function write() {},\n read: function read() { return null; },\n remove: function remove() {}\n };\n })()\n);\n\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\n/**\n * Determines whether the specified URL is absolute\n *\n * @param {string} url The URL to test\n * @returns {boolean} True if the specified URL is absolute, otherwise false\n */\nmodule.exports = function isAbsoluteURL(url) {\n // A URL is considered absolute if it begins with \"
://\" or \"//\" (protocol-relative URL).\n // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed\n // by any combination of letters, digits, plus, period, or hyphen.\n return /^([a-z][a-z\\d\\+\\-\\.]*:)?\\/\\//i.test(url);\n};\n\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\nmodule.exports = (\n utils.isStandardBrowserEnv() ?\n\n // Standard browser envs have full support of the APIs needed to test\n // whether the request URL is of the same origin as current location.\n (function standardBrowserEnv() {\n var msie = /(msie|trident)/i.test(navigator.userAgent);\n var urlParsingNode = document.createElement('a');\n var originURL;\n\n /**\n * Parse a URL to discover it's components\n *\n * @param {String} url The URL to be parsed\n * @returns {Object}\n */\n function resolveURL(url) {\n var href = url;\n\n if (msie) {\n // IE needs attribute set twice to normalize properties\n urlParsingNode.setAttribute('href', href);\n href = urlParsingNode.href;\n }\n\n urlParsingNode.setAttribute('href', href);\n\n // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils\n return {\n href: urlParsingNode.href,\n protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',\n host: urlParsingNode.host,\n search: urlParsingNode.search ? urlParsingNode.search.replace(/^\\?/, '') : '',\n hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',\n hostname: urlParsingNode.hostname,\n port: urlParsingNode.port,\n pathname: (urlParsingNode.pathname.charAt(0) === '/') ?\n urlParsingNode.pathname :\n '/' + urlParsingNode.pathname\n };\n }\n\n originURL = resolveURL(window.location.href);\n\n /**\n * Determine if a URL shares the same origin as the current location\n *\n * @param {String} requestURL The URL to test\n * @returns {boolean} True if URL shares the same origin, otherwise false\n */\n return function isURLSameOrigin(requestURL) {\n var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;\n return (parsed.protocol === originURL.protocol &&\n parsed.host === originURL.host);\n };\n })() :\n\n // Non standard browser envs (web workers, react-native) lack needed support.\n (function nonStandardBrowserEnv() {\n return function isURLSameOrigin() {\n return true;\n };\n })()\n);\n\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\nmodule.exports = function normalizeHeaderName(headers, normalizedName) {\n utils.forEach(headers, function processHeader(value, name) {\n if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {\n headers[normalizedName] = value;\n delete headers[name];\n }\n });\n};\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar utils = __webpack_require__(0);\n\n/**\n * Parse headers into an object\n *\n * ```\n * Date: Wed, 27 Aug 2014 08:58:49 GMT\n * Content-Type: application/json\n * Connection: keep-alive\n * Transfer-Encoding: chunked\n * ```\n *\n * @param {String} headers Headers needing to be parsed\n * @returns {Object} Headers parsed into an object\n */\nmodule.exports = function parseHeaders(headers) {\n var parsed = {};\n var key;\n var val;\n var i;\n\n if (!headers) { return parsed; }\n\n utils.forEach(headers.split('\\n'), function parser(line) {\n i = line.indexOf(':');\n key = utils.trim(line.substr(0, i)).toLowerCase();\n val = utils.trim(line.substr(i + 1));\n\n if (key) {\n parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;\n }\n });\n\n return parsed;\n};\n\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\n/**\n * Syntactic sugar for invoking a function and expanding an array for arguments.\n *\n * Common use case would be to use `Function.prototype.apply`.\n *\n * ```js\n * function f(x, y, z) {}\n * var args = [1, 2, 3];\n * f.apply(null, args);\n * ```\n *\n * With `spread` this example can be re-written.\n *\n * ```js\n * spread(function(x, y, z) {})([1, 2, 3]);\n * ```\n *\n * @param {Function} callback\n * @returns {Function}\n */\nmodule.exports = function spread(callback) {\n return function wrap(arr) {\n return callback.apply(null, arr);\n };\n};\n\n\n/***/ }),\n/* 30 */,\n/* 31 */,\n/* 32 */,\n/* 33 */,\n/* 34 */,\n/* 35 */,\n/* 36 */,\n/* 37 */,\n/* 38 */,\n/* 39 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar __WEBPACK_AMD_DEFINE_RESULT__;/*! Hammer.JS - v2.0.7 - 2016-04-22\n * http://hammerjs.github.io/\n *\n * Copyright (c) 2016 Jorik Tangelder;\n * Licensed under the MIT license */\n(function(window, document, exportName, undefined) {\n 'use strict';\n\nvar VENDOR_PREFIXES = ['', 'webkit', 'Moz', 'MS', 'ms', 'o'];\nvar TEST_ELEMENT = document.createElement('div');\n\nvar TYPE_FUNCTION = 'function';\n\nvar round = Math.round;\nvar abs = Math.abs;\nvar now = Date.now;\n\n/**\n * set a timeout with a given scope\n * @param {Function} fn\n * @param {Number} timeout\n * @param {Object} context\n * @returns {number}\n */\nfunction setTimeoutContext(fn, timeout, context) {\n return setTimeout(bindFn(fn, context), timeout);\n}\n\n/**\n * if the argument is an array, we want to execute the fn on each entry\n * if it aint an array we don't want to do a thing.\n * this is used by all the methods that accept a single and array argument.\n * @param {*|Array} arg\n * @param {String} fn\n * @param {Object} [context]\n * @returns {Boolean}\n */\nfunction invokeArrayArg(arg, fn, context) {\n if (Array.isArray(arg)) {\n each(arg, context[fn], context);\n return true;\n }\n return false;\n}\n\n/**\n * walk objects and arrays\n * @param {Object} obj\n * @param {Function} iterator\n * @param {Object} context\n */\nfunction each(obj, iterator, context) {\n var i;\n\n if (!obj) {\n return;\n }\n\n if (obj.forEach) {\n obj.forEach(iterator, context);\n } else if (obj.length !== undefined) {\n i = 0;\n while (i < obj.length) {\n iterator.call(context, obj[i], i, obj);\n i++;\n }\n } else {\n for (i in obj) {\n obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj);\n }\n }\n}\n\n/**\n * wrap a method with a deprecation warning and stack trace\n * @param {Function} method\n * @param {String} name\n * @param {String} message\n * @returns {Function} A new function wrapping the supplied method.\n */\nfunction deprecate(method, name, message) {\n var deprecationMessage = 'DEPRECATED METHOD: ' + name + '\\n' + message + ' AT \\n';\n return function() {\n var e = new Error('get-stack-trace');\n var stack = e && e.stack ? e.stack.replace(/^[^\\(]+?[\\n$]/gm, '')\n .replace(/^\\s+at\\s+/gm, '')\n .replace(/^Object.\\s*\\(/gm, '{anonymous}()@') : 'Unknown Stack Trace';\n\n var log = window.console && (window.console.warn || window.console.log);\n if (log) {\n log.call(window.console, deprecationMessage, stack);\n }\n return method.apply(this, arguments);\n };\n}\n\n/**\n * extend object.\n * means that properties in dest will be overwritten by the ones in src.\n * @param {Object} target\n * @param {...Object} objects_to_assign\n * @returns {Object} target\n */\nvar assign;\nif (typeof Object.assign !== 'function') {\n assign = function assign(target) {\n if (target === undefined || target === null) {\n throw new TypeError('Cannot convert undefined or null to object');\n }\n\n var output = Object(target);\n for (var index = 1; index < arguments.length; index++) {\n var source = arguments[index];\n if (source !== undefined && source !== null) {\n for (var nextKey in source) {\n if (source.hasOwnProperty(nextKey)) {\n output[nextKey] = source[nextKey];\n }\n }\n }\n }\n return output;\n };\n} else {\n assign = Object.assign;\n}\n\n/**\n * extend object.\n * means that properties in dest will be overwritten by the ones in src.\n * @param {Object} dest\n * @param {Object} src\n * @param {Boolean} [merge=false]\n * @returns {Object} dest\n */\nvar extend = deprecate(function extend(dest, src, merge) {\n var keys = Object.keys(src);\n var i = 0;\n while (i < keys.length) {\n if (!merge || (merge && dest[keys[i]] === undefined)) {\n dest[keys[i]] = src[keys[i]];\n }\n i++;\n }\n return dest;\n}, 'extend', 'Use `assign`.');\n\n/**\n * merge the values from src in the dest.\n * means that properties that exist in dest will not be overwritten by src\n * @param {Object} dest\n * @param {Object} src\n * @returns {Object} dest\n */\nvar merge = deprecate(function merge(dest, src) {\n return extend(dest, src, true);\n}, 'merge', 'Use `assign`.');\n\n/**\n * simple class inheritance\n * @param {Function} child\n * @param {Function} base\n * @param {Object} [properties]\n */\nfunction inherit(child, base, properties) {\n var baseP = base.prototype,\n childP;\n\n childP = child.prototype = Object.create(baseP);\n childP.constructor = child;\n childP._super = baseP;\n\n if (properties) {\n assign(childP, properties);\n }\n}\n\n/**\n * simple function bind\n * @param {Function} fn\n * @param {Object} context\n * @returns {Function}\n */\nfunction bindFn(fn, context) {\n return function boundFn() {\n return fn.apply(context, arguments);\n };\n}\n\n/**\n * let a boolean value also be a function that must return a boolean\n * this first item in args will be used as the context\n * @param {Boolean|Function} val\n * @param {Array} [args]\n * @returns {Boolean}\n */\nfunction boolOrFn(val, args) {\n if (typeof val == TYPE_FUNCTION) {\n return val.apply(args ? args[0] || undefined : undefined, args);\n }\n return val;\n}\n\n/**\n * use the val2 when val1 is undefined\n * @param {*} val1\n * @param {*} val2\n * @returns {*}\n */\nfunction ifUndefined(val1, val2) {\n return (val1 === undefined) ? val2 : val1;\n}\n\n/**\n * addEventListener with multiple events at once\n * @param {EventTarget} target\n * @param {String} types\n * @param {Function} handler\n */\nfunction addEventListeners(target, types, handler) {\n each(splitStr(types), function(type) {\n target.addEventListener(type, handler, false);\n });\n}\n\n/**\n * removeEventListener with multiple events at once\n * @param {EventTarget} target\n * @param {String} types\n * @param {Function} handler\n */\nfunction removeEventListeners(target, types, handler) {\n each(splitStr(types), function(type) {\n target.removeEventListener(type, handler, false);\n });\n}\n\n/**\n * find if a node is in the given parent\n * @method hasParent\n * @param {HTMLElement} node\n * @param {HTMLElement} parent\n * @return {Boolean} found\n */\nfunction hasParent(node, parent) {\n while (node) {\n if (node == parent) {\n return true;\n }\n node = node.parentNode;\n }\n return false;\n}\n\n/**\n * small indexOf wrapper\n * @param {String} str\n * @param {String} find\n * @returns {Boolean} found\n */\nfunction inStr(str, find) {\n return str.indexOf(find) > -1;\n}\n\n/**\n * split string on whitespace\n * @param {String} str\n * @returns {Array} words\n */\nfunction splitStr(str) {\n return str.trim().split(/\\s+/g);\n}\n\n/**\n * find if a array contains the object using indexOf or a simple polyFill\n * @param {Array} src\n * @param {String} find\n * @param {String} [findByKey]\n * @return {Boolean|Number} false when not found, or the index\n */\nfunction inArray(src, find, findByKey) {\n if (src.indexOf && !findByKey) {\n return src.indexOf(find);\n } else {\n var i = 0;\n while (i < src.length) {\n if ((findByKey && src[i][findByKey] == find) || (!findByKey && src[i] === find)) {\n return i;\n }\n i++;\n }\n return -1;\n }\n}\n\n/**\n * convert array-like objects to real arrays\n * @param {Object} obj\n * @returns {Array}\n */\nfunction toArray(obj) {\n return Array.prototype.slice.call(obj, 0);\n}\n\n/**\n * unique array with objects based on a key (like 'id') or just by the array's value\n * @param {Array} src [{id:1},{id:2},{id:1}]\n * @param {String} [key]\n * @param {Boolean} [sort=False]\n * @returns {Array} [{id:1},{id:2}]\n */\nfunction uniqueArray(src, key, sort) {\n var results = [];\n var values = [];\n var i = 0;\n\n while (i < src.length) {\n var val = key ? src[i][key] : src[i];\n if (inArray(values, val) < 0) {\n results.push(src[i]);\n }\n values[i] = val;\n i++;\n }\n\n if (sort) {\n if (!key) {\n results = results.sort();\n } else {\n results = results.sort(function sortUniqueArray(a, b) {\n return a[key] > b[key];\n });\n }\n }\n\n return results;\n}\n\n/**\n * get the prefixed property\n * @param {Object} obj\n * @param {String} property\n * @returns {String|Undefined} prefixed\n */\nfunction prefixed(obj, property) {\n var prefix, prop;\n var camelProp = property[0].toUpperCase() + property.slice(1);\n\n var i = 0;\n while (i < VENDOR_PREFIXES.length) {\n prefix = VENDOR_PREFIXES[i];\n prop = (prefix) ? prefix + camelProp : property;\n\n if (prop in obj) {\n return prop;\n }\n i++;\n }\n return undefined;\n}\n\n/**\n * get a unique id\n * @returns {number} uniqueId\n */\nvar _uniqueId = 1;\nfunction uniqueId() {\n return _uniqueId++;\n}\n\n/**\n * get the window object of an element\n * @param {HTMLElement} element\n * @returns {DocumentView|Window}\n */\nfunction getWindowForElement(element) {\n var doc = element.ownerDocument || element;\n return (doc.defaultView || doc.parentWindow || window);\n}\n\nvar MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;\n\nvar SUPPORT_TOUCH = ('ontouchstart' in window);\nvar SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !== undefined;\nvar SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(navigator.userAgent);\n\nvar INPUT_TYPE_TOUCH = 'touch';\nvar INPUT_TYPE_PEN = 'pen';\nvar INPUT_TYPE_MOUSE = 'mouse';\nvar INPUT_TYPE_KINECT = 'kinect';\n\nvar COMPUTE_INTERVAL = 25;\n\nvar INPUT_START = 1;\nvar INPUT_MOVE = 2;\nvar INPUT_END = 4;\nvar INPUT_CANCEL = 8;\n\nvar DIRECTION_NONE = 1;\nvar DIRECTION_LEFT = 2;\nvar DIRECTION_RIGHT = 4;\nvar DIRECTION_UP = 8;\nvar DIRECTION_DOWN = 16;\n\nvar DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT;\nvar DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN;\nvar DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;\n\nvar PROPS_XY = ['x', 'y'];\nvar PROPS_CLIENT_XY = ['clientX', 'clientY'];\n\n/**\n * create new input type manager\n * @param {Manager} manager\n * @param {Function} callback\n * @returns {Input}\n * @constructor\n */\nfunction Input(manager, callback) {\n var self = this;\n this.manager = manager;\n this.callback = callback;\n this.element = manager.element;\n this.target = manager.options.inputTarget;\n\n // smaller wrapper around the handler, for the scope and the enabled state of the manager,\n // so when disabled the input events are completely bypassed.\n this.domHandler = function(ev) {\n if (boolOrFn(manager.options.enable, [manager])) {\n self.handler(ev);\n }\n };\n\n this.init();\n\n}\n\nInput.prototype = {\n /**\n * should handle the inputEvent data and trigger the callback\n * @virtual\n */\n handler: function() { },\n\n /**\n * bind the events\n */\n init: function() {\n this.evEl && addEventListeners(this.element, this.evEl, this.domHandler);\n this.evTarget && addEventListeners(this.target, this.evTarget, this.domHandler);\n this.evWin && addEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);\n },\n\n /**\n * unbind the events\n */\n destroy: function() {\n this.evEl && removeEventListeners(this.element, this.evEl, this.domHandler);\n this.evTarget && removeEventListeners(this.target, this.evTarget, this.domHandler);\n this.evWin && removeEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);\n }\n};\n\n/**\n * create new input type manager\n * called by the Manager constructor\n * @param {Hammer} manager\n * @returns {Input}\n */\nfunction createInputInstance(manager) {\n var Type;\n var inputClass = manager.options.inputClass;\n\n if (inputClass) {\n Type = inputClass;\n } else if (SUPPORT_POINTER_EVENTS) {\n Type = PointerEventInput;\n } else if (SUPPORT_ONLY_TOUCH) {\n Type = TouchInput;\n } else if (!SUPPORT_TOUCH) {\n Type = MouseInput;\n } else {\n Type = TouchMouseInput;\n }\n return new (Type)(manager, inputHandler);\n}\n\n/**\n * handle input events\n * @param {Manager} manager\n * @param {String} eventType\n * @param {Object} input\n */\nfunction inputHandler(manager, eventType, input) {\n var pointersLen = input.pointers.length;\n var changedPointersLen = input.changedPointers.length;\n var isFirst = (eventType & INPUT_START && (pointersLen - changedPointersLen === 0));\n var isFinal = (eventType & (INPUT_END | INPUT_CANCEL) && (pointersLen - changedPointersLen === 0));\n\n input.isFirst = !!isFirst;\n input.isFinal = !!isFinal;\n\n if (isFirst) {\n manager.session = {};\n }\n\n // source event is the normalized value of the domEvents\n // like 'touchstart, mouseup, pointerdown'\n input.eventType = eventType;\n\n // compute scale, rotation etc\n computeInputData(manager, input);\n\n // emit secret event\n manager.emit('hammer.input', input);\n\n manager.recognize(input);\n manager.session.prevInput = input;\n}\n\n/**\n * extend the data with some usable properties like scale, rotate, velocity etc\n * @param {Object} manager\n * @param {Object} input\n */\nfunction computeInputData(manager, input) {\n var session = manager.session;\n var pointers = input.pointers;\n var pointersLength = pointers.length;\n\n // store the first input to calculate the distance and direction\n if (!session.firstInput) {\n session.firstInput = simpleCloneInputData(input);\n }\n\n // to compute scale and rotation we need to store the multiple touches\n if (pointersLength > 1 && !session.firstMultiple) {\n session.firstMultiple = simpleCloneInputData(input);\n } else if (pointersLength === 1) {\n session.firstMultiple = false;\n }\n\n var firstInput = session.firstInput;\n var firstMultiple = session.firstMultiple;\n var offsetCenter = firstMultiple ? firstMultiple.center : firstInput.center;\n\n var center = input.center = getCenter(pointers);\n input.timeStamp = now();\n input.deltaTime = input.timeStamp - firstInput.timeStamp;\n\n input.angle = getAngle(offsetCenter, center);\n input.distance = getDistance(offsetCenter, center);\n\n computeDeltaXY(session, input);\n input.offsetDirection = getDirection(input.deltaX, input.deltaY);\n\n var overallVelocity = getVelocity(input.deltaTime, input.deltaX, input.deltaY);\n input.overallVelocityX = overallVelocity.x;\n input.overallVelocityY = overallVelocity.y;\n input.overallVelocity = (abs(overallVelocity.x) > abs(overallVelocity.y)) ? overallVelocity.x : overallVelocity.y;\n\n input.scale = firstMultiple ? getScale(firstMultiple.pointers, pointers) : 1;\n input.rotation = firstMultiple ? getRotation(firstMultiple.pointers, pointers) : 0;\n\n input.maxPointers = !session.prevInput ? input.pointers.length : ((input.pointers.length >\n session.prevInput.maxPointers) ? input.pointers.length : session.prevInput.maxPointers);\n\n computeIntervalInputData(session, input);\n\n // find the correct target\n var target = manager.element;\n if (hasParent(input.srcEvent.target, target)) {\n target = input.srcEvent.target;\n }\n input.target = target;\n}\n\nfunction computeDeltaXY(session, input) {\n var center = input.center;\n var offset = session.offsetDelta || {};\n var prevDelta = session.prevDelta || {};\n var prevInput = session.prevInput || {};\n\n if (input.eventType === INPUT_START || prevInput.eventType === INPUT_END) {\n prevDelta = session.prevDelta = {\n x: prevInput.deltaX || 0,\n y: prevInput.deltaY || 0\n };\n\n offset = session.offsetDelta = {\n x: center.x,\n y: center.y\n };\n }\n\n input.deltaX = prevDelta.x + (center.x - offset.x);\n input.deltaY = prevDelta.y + (center.y - offset.y);\n}\n\n/**\n * velocity is calculated every x ms\n * @param {Object} session\n * @param {Object} input\n */\nfunction computeIntervalInputData(session, input) {\n var last = session.lastInterval || input,\n deltaTime = input.timeStamp - last.timeStamp,\n velocity, velocityX, velocityY, direction;\n\n if (input.eventType != INPUT_CANCEL && (deltaTime > COMPUTE_INTERVAL || last.velocity === undefined)) {\n var deltaX = input.deltaX - last.deltaX;\n var deltaY = input.deltaY - last.deltaY;\n\n var v = getVelocity(deltaTime, deltaX, deltaY);\n velocityX = v.x;\n velocityY = v.y;\n velocity = (abs(v.x) > abs(v.y)) ? v.x : v.y;\n direction = getDirection(deltaX, deltaY);\n\n session.lastInterval = input;\n } else {\n // use latest velocity info if it doesn't overtake a minimum period\n velocity = last.velocity;\n velocityX = last.velocityX;\n velocityY = last.velocityY;\n direction = last.direction;\n }\n\n input.velocity = velocity;\n input.velocityX = velocityX;\n input.velocityY = velocityY;\n input.direction = direction;\n}\n\n/**\n * create a simple clone from the input used for storage of firstInput and firstMultiple\n * @param {Object} input\n * @returns {Object} clonedInputData\n */\nfunction simpleCloneInputData(input) {\n // make a simple copy of the pointers because we will get a reference if we don't\n // we only need clientXY for the calculations\n var pointers = [];\n var i = 0;\n while (i < input.pointers.length) {\n pointers[i] = {\n clientX: round(input.pointers[i].clientX),\n clientY: round(input.pointers[i].clientY)\n };\n i++;\n }\n\n return {\n timeStamp: now(),\n pointers: pointers,\n center: getCenter(pointers),\n deltaX: input.deltaX,\n deltaY: input.deltaY\n };\n}\n\n/**\n * get the center of all the pointers\n * @param {Array} pointers\n * @return {Object} center contains `x` and `y` properties\n */\nfunction getCenter(pointers) {\n var pointersLength = pointers.length;\n\n // no need to loop when only one touch\n if (pointersLength === 1) {\n return {\n x: round(pointers[0].clientX),\n y: round(pointers[0].clientY)\n };\n }\n\n var x = 0, y = 0, i = 0;\n while (i < pointersLength) {\n x += pointers[i].clientX;\n y += pointers[i].clientY;\n i++;\n }\n\n return {\n x: round(x / pointersLength),\n y: round(y / pointersLength)\n };\n}\n\n/**\n * calculate the velocity between two points. unit is in px per ms.\n * @param {Number} deltaTime\n * @param {Number} x\n * @param {Number} y\n * @return {Object} velocity `x` and `y`\n */\nfunction getVelocity(deltaTime, x, y) {\n return {\n x: x / deltaTime || 0,\n y: y / deltaTime || 0\n };\n}\n\n/**\n * get the direction between two points\n * @param {Number} x\n * @param {Number} y\n * @return {Number} direction\n */\nfunction getDirection(x, y) {\n if (x === y) {\n return DIRECTION_NONE;\n }\n\n if (abs(x) >= abs(y)) {\n return x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;\n }\n return y < 0 ? DIRECTION_UP : DIRECTION_DOWN;\n}\n\n/**\n * calculate the absolute distance between two points\n * @param {Object} p1 {x, y}\n * @param {Object} p2 {x, y}\n * @param {Array} [props] containing x and y keys\n * @return {Number} distance\n */\nfunction getDistance(p1, p2, props) {\n if (!props) {\n props = PROPS_XY;\n }\n var x = p2[props[0]] - p1[props[0]],\n y = p2[props[1]] - p1[props[1]];\n\n return Math.sqrt((x * x) + (y * y));\n}\n\n/**\n * calculate the angle between two coordinates\n * @param {Object} p1\n * @param {Object} p2\n * @param {Array} [props] containing x and y keys\n * @return {Number} angle\n */\nfunction getAngle(p1, p2, props) {\n if (!props) {\n props = PROPS_XY;\n }\n var x = p2[props[0]] - p1[props[0]],\n y = p2[props[1]] - p1[props[1]];\n return Math.atan2(y, x) * 180 / Math.PI;\n}\n\n/**\n * calculate the rotation degrees between two pointersets\n * @param {Array} start array of pointers\n * @param {Array} end array of pointers\n * @return {Number} rotation\n */\nfunction getRotation(start, end) {\n return getAngle(end[1], end[0], PROPS_CLIENT_XY) + getAngle(start[1], start[0], PROPS_CLIENT_XY);\n}\n\n/**\n * calculate the scale factor between two pointersets\n * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out\n * @param {Array} start array of pointers\n * @param {Array} end array of pointers\n * @return {Number} scale\n */\nfunction getScale(start, end) {\n return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(start[0], start[1], PROPS_CLIENT_XY);\n}\n\nvar MOUSE_INPUT_MAP = {\n mousedown: INPUT_START,\n mousemove: INPUT_MOVE,\n mouseup: INPUT_END\n};\n\nvar MOUSE_ELEMENT_EVENTS = 'mousedown';\nvar MOUSE_WINDOW_EVENTS = 'mousemove mouseup';\n\n/**\n * Mouse events input\n * @constructor\n * @extends Input\n */\nfunction MouseInput() {\n this.evEl = MOUSE_ELEMENT_EVENTS;\n this.evWin = MOUSE_WINDOW_EVENTS;\n\n this.pressed = false; // mousedown state\n\n Input.apply(this, arguments);\n}\n\ninherit(MouseInput, Input, {\n /**\n * handle mouse events\n * @param {Object} ev\n */\n handler: function MEhandler(ev) {\n var eventType = MOUSE_INPUT_MAP[ev.type];\n\n // on start we want to have the left mouse button down\n if (eventType & INPUT_START && ev.button === 0) {\n this.pressed = true;\n }\n\n if (eventType & INPUT_MOVE && ev.which !== 1) {\n eventType = INPUT_END;\n }\n\n // mouse must be down\n if (!this.pressed) {\n return;\n }\n\n if (eventType & INPUT_END) {\n this.pressed = false;\n }\n\n this.callback(this.manager, eventType, {\n pointers: [ev],\n changedPointers: [ev],\n pointerType: INPUT_TYPE_MOUSE,\n srcEvent: ev\n });\n }\n});\n\nvar POINTER_INPUT_MAP = {\n pointerdown: INPUT_START,\n pointermove: INPUT_MOVE,\n pointerup: INPUT_END,\n pointercancel: INPUT_CANCEL,\n pointerout: INPUT_CANCEL\n};\n\n// in IE10 the pointer types is defined as an enum\nvar IE10_POINTER_TYPE_ENUM = {\n 2: INPUT_TYPE_TOUCH,\n 3: INPUT_TYPE_PEN,\n 4: INPUT_TYPE_MOUSE,\n 5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816\n};\n\nvar POINTER_ELEMENT_EVENTS = 'pointerdown';\nvar POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel';\n\n// IE10 has prefixed support, and case-sensitive\nif (window.MSPointerEvent && !window.PointerEvent) {\n POINTER_ELEMENT_EVENTS = 'MSPointerDown';\n POINTER_WINDOW_EVENTS = 'MSPointerMove MSPointerUp MSPointerCancel';\n}\n\n/**\n * Pointer events input\n * @constructor\n * @extends Input\n */\nfunction PointerEventInput() {\n this.evEl = POINTER_ELEMENT_EVENTS;\n this.evWin = POINTER_WINDOW_EVENTS;\n\n Input.apply(this, arguments);\n\n this.store = (this.manager.session.pointerEvents = []);\n}\n\ninherit(PointerEventInput, Input, {\n /**\n * handle mouse events\n * @param {Object} ev\n */\n handler: function PEhandler(ev) {\n var store = this.store;\n var removePointer = false;\n\n var eventTypeNormalized = ev.type.toLowerCase().replace('ms', '');\n var eventType = POINTER_INPUT_MAP[eventTypeNormalized];\n var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] || ev.pointerType;\n\n var isTouch = (pointerType == INPUT_TYPE_TOUCH);\n\n // get index of the event in the store\n var storeIndex = inArray(store, ev.pointerId, 'pointerId');\n\n // start and mouse must be down\n if (eventType & INPUT_START && (ev.button === 0 || isTouch)) {\n if (storeIndex < 0) {\n store.push(ev);\n storeIndex = store.length - 1;\n }\n } else if (eventType & (INPUT_END | INPUT_CANCEL)) {\n removePointer = true;\n }\n\n // it not found, so the pointer hasn't been down (so it's probably a hover)\n if (storeIndex < 0) {\n return;\n }\n\n // update the event in the store\n store[storeIndex] = ev;\n\n this.callback(this.manager, eventType, {\n pointers: store,\n changedPointers: [ev],\n pointerType: pointerType,\n srcEvent: ev\n });\n\n if (removePointer) {\n // remove from the store\n store.splice(storeIndex, 1);\n }\n }\n});\n\nvar SINGLE_TOUCH_INPUT_MAP = {\n touchstart: INPUT_START,\n touchmove: INPUT_MOVE,\n touchend: INPUT_END,\n touchcancel: INPUT_CANCEL\n};\n\nvar SINGLE_TOUCH_TARGET_EVENTS = 'touchstart';\nvar SINGLE_TOUCH_WINDOW_EVENTS = 'touchstart touchmove touchend touchcancel';\n\n/**\n * Touch events input\n * @constructor\n * @extends Input\n */\nfunction SingleTouchInput() {\n this.evTarget = SINGLE_TOUCH_TARGET_EVENTS;\n this.evWin = SINGLE_TOUCH_WINDOW_EVENTS;\n this.started = false;\n\n Input.apply(this, arguments);\n}\n\ninherit(SingleTouchInput, Input, {\n handler: function TEhandler(ev) {\n var type = SINGLE_TOUCH_INPUT_MAP[ev.type];\n\n // should we handle the touch events?\n if (type === INPUT_START) {\n this.started = true;\n }\n\n if (!this.started) {\n return;\n }\n\n var touches = normalizeSingleTouches.call(this, ev, type);\n\n // when done, reset the started state\n if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length - touches[1].length === 0) {\n this.started = false;\n }\n\n this.callback(this.manager, type, {\n pointers: touches[0],\n changedPointers: touches[1],\n pointerType: INPUT_TYPE_TOUCH,\n srcEvent: ev\n });\n }\n});\n\n/**\n * @this {TouchInput}\n * @param {Object} ev\n * @param {Number} type flag\n * @returns {undefined|Array} [all, changed]\n */\nfunction normalizeSingleTouches(ev, type) {\n var all = toArray(ev.touches);\n var changed = toArray(ev.changedTouches);\n\n if (type & (INPUT_END | INPUT_CANCEL)) {\n all = uniqueArray(all.concat(changed), 'identifier', true);\n }\n\n return [all, changed];\n}\n\nvar TOUCH_INPUT_MAP = {\n touchstart: INPUT_START,\n touchmove: INPUT_MOVE,\n touchend: INPUT_END,\n touchcancel: INPUT_CANCEL\n};\n\nvar TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel';\n\n/**\n * Multi-user touch events input\n * @constructor\n * @extends Input\n */\nfunction TouchInput() {\n this.evTarget = TOUCH_TARGET_EVENTS;\n this.targetIds = {};\n\n Input.apply(this, arguments);\n}\n\ninherit(TouchInput, Input, {\n handler: function MTEhandler(ev) {\n var type = TOUCH_INPUT_MAP[ev.type];\n var touches = getTouches.call(this, ev, type);\n if (!touches) {\n return;\n }\n\n this.callback(this.manager, type, {\n pointers: touches[0],\n changedPointers: touches[1],\n pointerType: INPUT_TYPE_TOUCH,\n srcEvent: ev\n });\n }\n});\n\n/**\n * @this {TouchInput}\n * @param {Object} ev\n * @param {Number} type flag\n * @returns {undefined|Array} [all, changed]\n */\nfunction getTouches(ev, type) {\n var allTouches = toArray(ev.touches);\n var targetIds = this.targetIds;\n\n // when there is only one touch, the process can be simplified\n if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {\n targetIds[allTouches[0].identifier] = true;\n return [allTouches, allTouches];\n }\n\n var i,\n targetTouches,\n changedTouches = toArray(ev.changedTouches),\n changedTargetTouches = [],\n target = this.target;\n\n // get target touches from touches\n targetTouches = allTouches.filter(function(touch) {\n return hasParent(touch.target, target);\n });\n\n // collect touches\n if (type === INPUT_START) {\n i = 0;\n while (i < targetTouches.length) {\n targetIds[targetTouches[i].identifier] = true;\n i++;\n }\n }\n\n // filter changed touches to only contain touches that exist in the collected target ids\n i = 0;\n while (i < changedTouches.length) {\n if (targetIds[changedTouches[i].identifier]) {\n changedTargetTouches.push(changedTouches[i]);\n }\n\n // cleanup removed touches\n if (type & (INPUT_END | INPUT_CANCEL)) {\n delete targetIds[changedTouches[i].identifier];\n }\n i++;\n }\n\n if (!changedTargetTouches.length) {\n return;\n }\n\n return [\n // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'\n uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true),\n changedTargetTouches\n ];\n}\n\n/**\n * Combined touch and mouse input\n *\n * Touch has a higher priority then mouse, and while touching no mouse events are allowed.\n * This because touch devices also emit mouse events while doing a touch.\n *\n * @constructor\n * @extends Input\n */\n\nvar DEDUP_TIMEOUT = 2500;\nvar DEDUP_DISTANCE = 25;\n\nfunction TouchMouseInput() {\n Input.apply(this, arguments);\n\n var handler = bindFn(this.handler, this);\n this.touch = new TouchInput(this.manager, handler);\n this.mouse = new MouseInput(this.manager, handler);\n\n this.primaryTouch = null;\n this.lastTouches = [];\n}\n\ninherit(TouchMouseInput, Input, {\n /**\n * handle mouse and touch events\n * @param {Hammer} manager\n * @param {String} inputEvent\n * @param {Object} inputData\n */\n handler: function TMEhandler(manager, inputEvent, inputData) {\n var isTouch = (inputData.pointerType == INPUT_TYPE_TOUCH),\n isMouse = (inputData.pointerType == INPUT_TYPE_MOUSE);\n\n if (isMouse && inputData.sourceCapabilities && inputData.sourceCapabilities.firesTouchEvents) {\n return;\n }\n\n // when we're in a touch event, record touches to de-dupe synthetic mouse event\n if (isTouch) {\n recordTouches.call(this, inputEvent, inputData);\n } else if (isMouse && isSyntheticEvent.call(this, inputData)) {\n return;\n }\n\n this.callback(manager, inputEvent, inputData);\n },\n\n /**\n * remove the event listeners\n */\n destroy: function destroy() {\n this.touch.destroy();\n this.mouse.destroy();\n }\n});\n\nfunction recordTouches(eventType, eventData) {\n if (eventType & INPUT_START) {\n this.primaryTouch = eventData.changedPointers[0].identifier;\n setLastTouch.call(this, eventData);\n } else if (eventType & (INPUT_END | INPUT_CANCEL)) {\n setLastTouch.call(this, eventData);\n }\n}\n\nfunction setLastTouch(eventData) {\n var touch = eventData.changedPointers[0];\n\n if (touch.identifier === this.primaryTouch) {\n var lastTouch = {x: touch.clientX, y: touch.clientY};\n this.lastTouches.push(lastTouch);\n var lts = this.lastTouches;\n var removeLastTouch = function() {\n var i = lts.indexOf(lastTouch);\n if (i > -1) {\n lts.splice(i, 1);\n }\n };\n setTimeout(removeLastTouch, DEDUP_TIMEOUT);\n }\n}\n\nfunction isSyntheticEvent(eventData) {\n var x = eventData.srcEvent.clientX, y = eventData.srcEvent.clientY;\n for (var i = 0; i < this.lastTouches.length; i++) {\n var t = this.lastTouches[i];\n var dx = Math.abs(x - t.x), dy = Math.abs(y - t.y);\n if (dx <= DEDUP_DISTANCE && dy <= DEDUP_DISTANCE) {\n return true;\n }\n }\n return false;\n}\n\nvar PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style, 'touchAction');\nvar NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined;\n\n// magical touchAction value\nvar TOUCH_ACTION_COMPUTE = 'compute';\nvar TOUCH_ACTION_AUTO = 'auto';\nvar TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented\nvar TOUCH_ACTION_NONE = 'none';\nvar TOUCH_ACTION_PAN_X = 'pan-x';\nvar TOUCH_ACTION_PAN_Y = 'pan-y';\nvar TOUCH_ACTION_MAP = getTouchActionProps();\n\n/**\n * Touch Action\n * sets the touchAction property or uses the js alternative\n * @param {Manager} manager\n * @param {String} value\n * @constructor\n */\nfunction TouchAction(manager, value) {\n this.manager = manager;\n this.set(value);\n}\n\nTouchAction.prototype = {\n /**\n * set the touchAction value on the element or enable the polyfill\n * @param {String} value\n */\n set: function(value) {\n // find out the touch-action by the event handlers\n if (value == TOUCH_ACTION_COMPUTE) {\n value = this.compute();\n }\n\n if (NATIVE_TOUCH_ACTION && this.manager.element.style && TOUCH_ACTION_MAP[value]) {\n this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;\n }\n this.actions = value.toLowerCase().trim();\n },\n\n /**\n * just re-set the touchAction value\n */\n update: function() {\n this.set(this.manager.options.touchAction);\n },\n\n /**\n * compute the value for the touchAction property based on the recognizer's settings\n * @returns {String} value\n */\n compute: function() {\n var actions = [];\n each(this.manager.recognizers, function(recognizer) {\n if (boolOrFn(recognizer.options.enable, [recognizer])) {\n actions = actions.concat(recognizer.getTouchAction());\n }\n });\n return cleanTouchActions(actions.join(' '));\n },\n\n /**\n * this method is called on each input cycle and provides the preventing of the browser behavior\n * @param {Object} input\n */\n preventDefaults: function(input) {\n var srcEvent = input.srcEvent;\n var direction = input.offsetDirection;\n\n // if the touch action did prevented once this session\n if (this.manager.session.prevented) {\n srcEvent.preventDefault();\n return;\n }\n\n var actions = this.actions;\n var hasNone = inStr(actions, TOUCH_ACTION_NONE) && !TOUCH_ACTION_MAP[TOUCH_ACTION_NONE];\n var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_Y];\n var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_X];\n\n if (hasNone) {\n //do not prevent defaults if this is a tap gesture\n\n var isTapPointer = input.pointers.length === 1;\n var isTapMovement = input.distance < 2;\n var isTapTouchTime = input.deltaTime < 250;\n\n if (isTapPointer && isTapMovement && isTapTouchTime) {\n return;\n }\n }\n\n if (hasPanX && hasPanY) {\n // `pan-x pan-y` means browser handles all scrolling/panning, do not prevent\n return;\n }\n\n if (hasNone ||\n (hasPanY && direction & DIRECTION_HORIZONTAL) ||\n (hasPanX && direction & DIRECTION_VERTICAL)) {\n return this.preventSrc(srcEvent);\n }\n },\n\n /**\n * call preventDefault to prevent the browser's default behavior (scrolling in most cases)\n * @param {Object} srcEvent\n */\n preventSrc: function(srcEvent) {\n this.manager.session.prevented = true;\n srcEvent.preventDefault();\n }\n};\n\n/**\n * when the touchActions are collected they are not a valid value, so we need to clean things up. *\n * @param {String} actions\n * @returns {*}\n */\nfunction cleanTouchActions(actions) {\n // none\n if (inStr(actions, TOUCH_ACTION_NONE)) {\n return TOUCH_ACTION_NONE;\n }\n\n var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);\n var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);\n\n // if both pan-x and pan-y are set (different recognizers\n // for different directions, e.g. horizontal pan but vertical swipe?)\n // we need none (as otherwise with pan-x pan-y combined none of these\n // recognizers will work, since the browser would handle all panning\n if (hasPanX && hasPanY) {\n return TOUCH_ACTION_NONE;\n }\n\n // pan-x OR pan-y\n if (hasPanX || hasPanY) {\n return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;\n }\n\n // manipulation\n if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {\n return TOUCH_ACTION_MANIPULATION;\n }\n\n return TOUCH_ACTION_AUTO;\n}\n\nfunction getTouchActionProps() {\n if (!NATIVE_TOUCH_ACTION) {\n return false;\n }\n var touchMap = {};\n var cssSupports = window.CSS && window.CSS.supports;\n ['auto', 'manipulation', 'pan-y', 'pan-x', 'pan-x pan-y', 'none'].forEach(function(val) {\n\n // If css.supports is not supported but there is native touch-action assume it supports\n // all values. This is the case for IE 10 and 11.\n touchMap[val] = cssSupports ? window.CSS.supports('touch-action', val) : true;\n });\n return touchMap;\n}\n\n/**\n * Recognizer flow explained; *\n * All recognizers have the initial state of POSSIBLE when a input session starts.\n * The definition of a input session is from the first input until the last input, with all it's movement in it. *\n * Example session for mouse-input: mousedown -> mousemove -> mouseup\n *\n * On each recognizing cycle (see Manager.recognize) the .recognize() method is executed\n * which determines with state it should be.\n *\n * If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to\n * POSSIBLE to give it another change on the next cycle.\n *\n * Possible\n * |\n * +-----+---------------+\n * | |\n * +-----+-----+ |\n * | | |\n * Failed Cancelled |\n * +-------+------+\n * | |\n * Recognized Began\n * |\n * Changed\n * |\n * Ended/Recognized\n */\nvar STATE_POSSIBLE = 1;\nvar STATE_BEGAN = 2;\nvar STATE_CHANGED = 4;\nvar STATE_ENDED = 8;\nvar STATE_RECOGNIZED = STATE_ENDED;\nvar STATE_CANCELLED = 16;\nvar STATE_FAILED = 32;\n\n/**\n * Recognizer\n * Every recognizer needs to extend from this class.\n * @constructor\n * @param {Object} options\n */\nfunction Recognizer(options) {\n this.options = assign({}, this.defaults, options || {});\n\n this.id = uniqueId();\n\n this.manager = null;\n\n // default is enable true\n this.options.enable = ifUndefined(this.options.enable, true);\n\n this.state = STATE_POSSIBLE;\n\n this.simultaneous = {};\n this.requireFail = [];\n}\n\nRecognizer.prototype = {\n /**\n * @virtual\n * @type {Object}\n */\n defaults: {},\n\n /**\n * set options\n * @param {Object} options\n * @return {Recognizer}\n */\n set: function(options) {\n assign(this.options, options);\n\n // also update the touchAction, in case something changed about the directions/enabled state\n this.manager && this.manager.touchAction.update();\n return this;\n },\n\n /**\n * recognize simultaneous with an other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n recognizeWith: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) {\n return this;\n }\n\n var simultaneous = this.simultaneous;\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n if (!simultaneous[otherRecognizer.id]) {\n simultaneous[otherRecognizer.id] = otherRecognizer;\n otherRecognizer.recognizeWith(this);\n }\n return this;\n },\n\n /**\n * drop the simultaneous link. it doesnt remove the link on the other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n dropRecognizeWith: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) {\n return this;\n }\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n delete this.simultaneous[otherRecognizer.id];\n return this;\n },\n\n /**\n * recognizer can only run when an other is failing\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n requireFailure: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {\n return this;\n }\n\n var requireFail = this.requireFail;\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n if (inArray(requireFail, otherRecognizer) === -1) {\n requireFail.push(otherRecognizer);\n otherRecognizer.requireFailure(this);\n }\n return this;\n },\n\n /**\n * drop the requireFailure link. it does not remove the link on the other recognizer.\n * @param {Recognizer} otherRecognizer\n * @returns {Recognizer} this\n */\n dropRequireFailure: function(otherRecognizer) {\n if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) {\n return this;\n }\n\n otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);\n var index = inArray(this.requireFail, otherRecognizer);\n if (index > -1) {\n this.requireFail.splice(index, 1);\n }\n return this;\n },\n\n /**\n * has require failures boolean\n * @returns {boolean}\n */\n hasRequireFailures: function() {\n return this.requireFail.length > 0;\n },\n\n /**\n * if the recognizer can recognize simultaneous with an other recognizer\n * @param {Recognizer} otherRecognizer\n * @returns {Boolean}\n */\n canRecognizeWith: function(otherRecognizer) {\n return !!this.simultaneous[otherRecognizer.id];\n },\n\n /**\n * You should use `tryEmit` instead of `emit` directly to check\n * that all the needed recognizers has failed before emitting.\n * @param {Object} input\n */\n emit: function(input) {\n var self = this;\n var state = this.state;\n\n function emit(event) {\n self.manager.emit(event, input);\n }\n\n // 'panstart' and 'panmove'\n if (state < STATE_ENDED) {\n emit(self.options.event + stateStr(state));\n }\n\n emit(self.options.event); // simple 'eventName' events\n\n if (input.additionalEvent) { // additional event(panleft, panright, pinchin, pinchout...)\n emit(input.additionalEvent);\n }\n\n // panend and pancancel\n if (state >= STATE_ENDED) {\n emit(self.options.event + stateStr(state));\n }\n },\n\n /**\n * Check that all the require failure recognizers has failed,\n * if true, it emits a gesture event,\n * otherwise, setup the state to FAILED.\n * @param {Object} input\n */\n tryEmit: function(input) {\n if (this.canEmit()) {\n return this.emit(input);\n }\n // it's failing anyway\n this.state = STATE_FAILED;\n },\n\n /**\n * can we emit?\n * @returns {boolean}\n */\n canEmit: function() {\n var i = 0;\n while (i < this.requireFail.length) {\n if (!(this.requireFail[i].state & (STATE_FAILED | STATE_POSSIBLE))) {\n return false;\n }\n i++;\n }\n return true;\n },\n\n /**\n * update the recognizer\n * @param {Object} inputData\n */\n recognize: function(inputData) {\n // make a new copy of the inputData\n // so we can change the inputData without messing up the other recognizers\n var inputDataClone = assign({}, inputData);\n\n // is is enabled and allow recognizing?\n if (!boolOrFn(this.options.enable, [this, inputDataClone])) {\n this.reset();\n this.state = STATE_FAILED;\n return;\n }\n\n // reset when we've reached the end\n if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {\n this.state = STATE_POSSIBLE;\n }\n\n this.state = this.process(inputDataClone);\n\n // the recognizer has recognized a gesture\n // so trigger an event\n if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {\n this.tryEmit(inputDataClone);\n }\n },\n\n /**\n * return the state of the recognizer\n * the actual recognizing happens in this method\n * @virtual\n * @param {Object} inputData\n * @returns {Const} STATE\n */\n process: function(inputData) { }, // jshint ignore:line\n\n /**\n * return the preferred touch-action\n * @virtual\n * @returns {Array}\n */\n getTouchAction: function() { },\n\n /**\n * called when the gesture isn't allowed to recognize\n * like when another is being recognized or it is disabled\n * @virtual\n */\n reset: function() { }\n};\n\n/**\n * get a usable string, used as event postfix\n * @param {Const} state\n * @returns {String} state\n */\nfunction stateStr(state) {\n if (state & STATE_CANCELLED) {\n return 'cancel';\n } else if (state & STATE_ENDED) {\n return 'end';\n } else if (state & STATE_CHANGED) {\n return 'move';\n } else if (state & STATE_BEGAN) {\n return 'start';\n }\n return '';\n}\n\n/**\n * direction cons to string\n * @param {Const} direction\n * @returns {String}\n */\nfunction directionStr(direction) {\n if (direction == DIRECTION_DOWN) {\n return 'down';\n } else if (direction == DIRECTION_UP) {\n return 'up';\n } else if (direction == DIRECTION_LEFT) {\n return 'left';\n } else if (direction == DIRECTION_RIGHT) {\n return 'right';\n }\n return '';\n}\n\n/**\n * get a recognizer by name if it is bound to a manager\n * @param {Recognizer|String} otherRecognizer\n * @param {Recognizer} recognizer\n * @returns {Recognizer}\n */\nfunction getRecognizerByNameIfManager(otherRecognizer, recognizer) {\n var manager = recognizer.manager;\n if (manager) {\n return manager.get(otherRecognizer);\n }\n return otherRecognizer;\n}\n\n/**\n * This recognizer is just used as a base for the simple attribute recognizers.\n * @constructor\n * @extends Recognizer\n */\nfunction AttrRecognizer() {\n Recognizer.apply(this, arguments);\n}\n\ninherit(AttrRecognizer, Recognizer, {\n /**\n * @namespace\n * @memberof AttrRecognizer\n */\n defaults: {\n /**\n * @type {Number}\n * @default 1\n */\n pointers: 1\n },\n\n /**\n * Used to check if it the recognizer receives valid input, like input.distance > 10.\n * @memberof AttrRecognizer\n * @param {Object} input\n * @returns {Boolean} recognized\n */\n attrTest: function(input) {\n var optionPointers = this.options.pointers;\n return optionPointers === 0 || input.pointers.length === optionPointers;\n },\n\n /**\n * Process the input and return the state for the recognizer\n * @memberof AttrRecognizer\n * @param {Object} input\n * @returns {*} State\n */\n process: function(input) {\n var state = this.state;\n var eventType = input.eventType;\n\n var isRecognized = state & (STATE_BEGAN | STATE_CHANGED);\n var isValid = this.attrTest(input);\n\n // on cancel input and we've recognized before, return STATE_CANCELLED\n if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) {\n return state | STATE_CANCELLED;\n } else if (isRecognized || isValid) {\n if (eventType & INPUT_END) {\n return state | STATE_ENDED;\n } else if (!(state & STATE_BEGAN)) {\n return STATE_BEGAN;\n }\n return state | STATE_CHANGED;\n }\n return STATE_FAILED;\n }\n});\n\n/**\n * Pan\n * Recognized when the pointer is down and moved in the allowed direction.\n * @constructor\n * @extends AttrRecognizer\n */\nfunction PanRecognizer() {\n AttrRecognizer.apply(this, arguments);\n\n this.pX = null;\n this.pY = null;\n}\n\ninherit(PanRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof PanRecognizer\n */\n defaults: {\n event: 'pan',\n threshold: 10,\n pointers: 1,\n direction: DIRECTION_ALL\n },\n\n getTouchAction: function() {\n var direction = this.options.direction;\n var actions = [];\n if (direction & DIRECTION_HORIZONTAL) {\n actions.push(TOUCH_ACTION_PAN_Y);\n }\n if (direction & DIRECTION_VERTICAL) {\n actions.push(TOUCH_ACTION_PAN_X);\n }\n return actions;\n },\n\n directionTest: function(input) {\n var options = this.options;\n var hasMoved = true;\n var distance = input.distance;\n var direction = input.direction;\n var x = input.deltaX;\n var y = input.deltaY;\n\n // lock to axis?\n if (!(direction & options.direction)) {\n if (options.direction & DIRECTION_HORIZONTAL) {\n direction = (x === 0) ? DIRECTION_NONE : (x < 0) ? DIRECTION_LEFT : DIRECTION_RIGHT;\n hasMoved = x != this.pX;\n distance = Math.abs(input.deltaX);\n } else {\n direction = (y === 0) ? DIRECTION_NONE : (y < 0) ? DIRECTION_UP : DIRECTION_DOWN;\n hasMoved = y != this.pY;\n distance = Math.abs(input.deltaY);\n }\n }\n input.direction = direction;\n return hasMoved && distance > options.threshold && direction & options.direction;\n },\n\n attrTest: function(input) {\n return AttrRecognizer.prototype.attrTest.call(this, input) &&\n (this.state & STATE_BEGAN || (!(this.state & STATE_BEGAN) && this.directionTest(input)));\n },\n\n emit: function(input) {\n\n this.pX = input.deltaX;\n this.pY = input.deltaY;\n\n var direction = directionStr(input.direction);\n\n if (direction) {\n input.additionalEvent = this.options.event + direction;\n }\n this._super.emit.call(this, input);\n }\n});\n\n/**\n * Pinch\n * Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).\n * @constructor\n * @extends AttrRecognizer\n */\nfunction PinchRecognizer() {\n AttrRecognizer.apply(this, arguments);\n}\n\ninherit(PinchRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof PinchRecognizer\n */\n defaults: {\n event: 'pinch',\n threshold: 0,\n pointers: 2\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_NONE];\n },\n\n attrTest: function(input) {\n return this._super.attrTest.call(this, input) &&\n (Math.abs(input.scale - 1) > this.options.threshold || this.state & STATE_BEGAN);\n },\n\n emit: function(input) {\n if (input.scale !== 1) {\n var inOut = input.scale < 1 ? 'in' : 'out';\n input.additionalEvent = this.options.event + inOut;\n }\n this._super.emit.call(this, input);\n }\n});\n\n/**\n * Press\n * Recognized when the pointer is down for x ms without any movement.\n * @constructor\n * @extends Recognizer\n */\nfunction PressRecognizer() {\n Recognizer.apply(this, arguments);\n\n this._timer = null;\n this._input = null;\n}\n\ninherit(PressRecognizer, Recognizer, {\n /**\n * @namespace\n * @memberof PressRecognizer\n */\n defaults: {\n event: 'press',\n pointers: 1,\n time: 251, // minimal time of the pointer to be pressed\n threshold: 9 // a minimal movement is ok, but keep it low\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_AUTO];\n },\n\n process: function(input) {\n var options = this.options;\n var validPointers = input.pointers.length === options.pointers;\n var validMovement = input.distance < options.threshold;\n var validTime = input.deltaTime > options.time;\n\n this._input = input;\n\n // we only allow little movement\n // and we've reached an end event, so a tap is possible\n if (!validMovement || !validPointers || (input.eventType & (INPUT_END | INPUT_CANCEL) && !validTime)) {\n this.reset();\n } else if (input.eventType & INPUT_START) {\n this.reset();\n this._timer = setTimeoutContext(function() {\n this.state = STATE_RECOGNIZED;\n this.tryEmit();\n }, options.time, this);\n } else if (input.eventType & INPUT_END) {\n return STATE_RECOGNIZED;\n }\n return STATE_FAILED;\n },\n\n reset: function() {\n clearTimeout(this._timer);\n },\n\n emit: function(input) {\n if (this.state !== STATE_RECOGNIZED) {\n return;\n }\n\n if (input && (input.eventType & INPUT_END)) {\n this.manager.emit(this.options.event + 'up', input);\n } else {\n this._input.timeStamp = now();\n this.manager.emit(this.options.event, this._input);\n }\n }\n});\n\n/**\n * Rotate\n * Recognized when two or more pointer are moving in a circular motion.\n * @constructor\n * @extends AttrRecognizer\n */\nfunction RotateRecognizer() {\n AttrRecognizer.apply(this, arguments);\n}\n\ninherit(RotateRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof RotateRecognizer\n */\n defaults: {\n event: 'rotate',\n threshold: 0,\n pointers: 2\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_NONE];\n },\n\n attrTest: function(input) {\n return this._super.attrTest.call(this, input) &&\n (Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN);\n }\n});\n\n/**\n * Swipe\n * Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.\n * @constructor\n * @extends AttrRecognizer\n */\nfunction SwipeRecognizer() {\n AttrRecognizer.apply(this, arguments);\n}\n\ninherit(SwipeRecognizer, AttrRecognizer, {\n /**\n * @namespace\n * @memberof SwipeRecognizer\n */\n defaults: {\n event: 'swipe',\n threshold: 10,\n velocity: 0.3,\n direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL,\n pointers: 1\n },\n\n getTouchAction: function() {\n return PanRecognizer.prototype.getTouchAction.call(this);\n },\n\n attrTest: function(input) {\n var direction = this.options.direction;\n var velocity;\n\n if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) {\n velocity = input.overallVelocity;\n } else if (direction & DIRECTION_HORIZONTAL) {\n velocity = input.overallVelocityX;\n } else if (direction & DIRECTION_VERTICAL) {\n velocity = input.overallVelocityY;\n }\n\n return this._super.attrTest.call(this, input) &&\n direction & input.offsetDirection &&\n input.distance > this.options.threshold &&\n input.maxPointers == this.options.pointers &&\n abs(velocity) > this.options.velocity && input.eventType & INPUT_END;\n },\n\n emit: function(input) {\n var direction = directionStr(input.offsetDirection);\n if (direction) {\n this.manager.emit(this.options.event + direction, input);\n }\n\n this.manager.emit(this.options.event, input);\n }\n});\n\n/**\n * A tap is ecognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur\n * between the given interval and position. The delay option can be used to recognize multi-taps without firing\n * a single tap.\n *\n * The eventData from the emitted event contains the property `tapCount`, which contains the amount of\n * multi-taps being recognized.\n * @constructor\n * @extends Recognizer\n */\nfunction TapRecognizer() {\n Recognizer.apply(this, arguments);\n\n // previous time and center,\n // used for tap counting\n this.pTime = false;\n this.pCenter = false;\n\n this._timer = null;\n this._input = null;\n this.count = 0;\n}\n\ninherit(TapRecognizer, Recognizer, {\n /**\n * @namespace\n * @memberof PinchRecognizer\n */\n defaults: {\n event: 'tap',\n pointers: 1,\n taps: 1,\n interval: 300, // max time between the multi-tap taps\n time: 250, // max time of the pointer to be down (like finger on the screen)\n threshold: 9, // a minimal movement is ok, but keep it low\n posThreshold: 10 // a multi-tap can be a bit off the initial position\n },\n\n getTouchAction: function() {\n return [TOUCH_ACTION_MANIPULATION];\n },\n\n process: function(input) {\n var options = this.options;\n\n var validPointers = input.pointers.length === options.pointers;\n var validMovement = input.distance < options.threshold;\n var validTouchTime = input.deltaTime < options.time;\n\n this.reset();\n\n if ((input.eventType & INPUT_START) && (this.count === 0)) {\n return this.failTimeout();\n }\n\n // we only allow little movement\n // and we've reached an end event, so a tap is possible\n if (validMovement && validTouchTime && validPointers) {\n if (input.eventType != INPUT_END) {\n return this.failTimeout();\n }\n\n var validInterval = this.pTime ? (input.timeStamp - this.pTime < options.interval) : true;\n var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold;\n\n this.pTime = input.timeStamp;\n this.pCenter = input.center;\n\n if (!validMultiTap || !validInterval) {\n this.count = 1;\n } else {\n this.count += 1;\n }\n\n this._input = input;\n\n // if tap count matches we have recognized it,\n // else it has began recognizing...\n var tapCount = this.count % options.taps;\n if (tapCount === 0) {\n // no failing requirements, immediately trigger the tap event\n // or wait as long as the multitap interval to trigger\n if (!this.hasRequireFailures()) {\n return STATE_RECOGNIZED;\n } else {\n this._timer = setTimeoutContext(function() {\n this.state = STATE_RECOGNIZED;\n this.tryEmit();\n }, options.interval, this);\n return STATE_BEGAN;\n }\n }\n }\n return STATE_FAILED;\n },\n\n failTimeout: function() {\n this._timer = setTimeoutContext(function() {\n this.state = STATE_FAILED;\n }, this.options.interval, this);\n return STATE_FAILED;\n },\n\n reset: function() {\n clearTimeout(this._timer);\n },\n\n emit: function() {\n if (this.state == STATE_RECOGNIZED) {\n this._input.tapCount = this.count;\n this.manager.emit(this.options.event, this._input);\n }\n }\n});\n\n/**\n * Simple way to create a manager with a default set of recognizers.\n * @param {HTMLElement} element\n * @param {Object} [options]\n * @constructor\n */\nfunction Hammer(element, options) {\n options = options || {};\n options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);\n return new Manager(element, options);\n}\n\n/**\n * @const {string}\n */\nHammer.VERSION = '2.0.7';\n\n/**\n * default settings\n * @namespace\n */\nHammer.defaults = {\n /**\n * set if DOM events are being triggered.\n * But this is slower and unused by simple implementations, so disabled by default.\n * @type {Boolean}\n * @default false\n */\n domEvents: false,\n\n /**\n * The value for the touchAction property/fallback.\n * When set to `compute` it will magically set the correct value based on the added recognizers.\n * @type {String}\n * @default compute\n */\n touchAction: TOUCH_ACTION_COMPUTE,\n\n /**\n * @type {Boolean}\n * @default true\n */\n enable: true,\n\n /**\n * EXPERIMENTAL FEATURE -- can be removed/changed\n * Change the parent input target element.\n * If Null, then it is being set the to main element.\n * @type {Null|EventTarget}\n * @default null\n */\n inputTarget: null,\n\n /**\n * force an input class\n * @type {Null|Function}\n * @default null\n */\n inputClass: null,\n\n /**\n * Default recognizer setup when calling `Hammer()`\n * When creating a new Manager these will be skipped.\n * @type {Array}\n */\n preset: [\n // RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...]\n [RotateRecognizer, {enable: false}],\n [PinchRecognizer, {enable: false}, ['rotate']],\n [SwipeRecognizer, {direction: DIRECTION_HORIZONTAL}],\n [PanRecognizer, {direction: DIRECTION_HORIZONTAL}, ['swipe']],\n [TapRecognizer],\n [TapRecognizer, {event: 'doubletap', taps: 2}, ['tap']],\n [PressRecognizer]\n ],\n\n /**\n * Some CSS properties can be used to improve the working of Hammer.\n * Add them to this method and they will be set when creating a new Manager.\n * @namespace\n */\n cssProps: {\n /**\n * Disables text selection to improve the dragging gesture. Mainly for desktop browsers.\n * @type {String}\n * @default 'none'\n */\n userSelect: 'none',\n\n /**\n * Disable the Windows Phone grippers when pressing an element.\n * @type {String}\n * @default 'none'\n */\n touchSelect: 'none',\n\n /**\n * Disables the default callout shown when you touch and hold a touch target.\n * On iOS, when you touch and hold a touch target such as a link, Safari displays\n * a callout containing information about the link. This property allows you to disable that callout.\n * @type {String}\n * @default 'none'\n */\n touchCallout: 'none',\n\n /**\n * Specifies whether zooming is enabled. Used by IE10>\n * @type {String}\n * @default 'none'\n */\n contentZooming: 'none',\n\n /**\n * Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.\n * @type {String}\n * @default 'none'\n */\n userDrag: 'none',\n\n /**\n * Overrides the highlight color shown when the user taps a link or a JavaScript\n * clickable element in iOS. This property obeys the alpha value, if specified.\n * @type {String}\n * @default 'rgba(0,0,0,0)'\n */\n tapHighlightColor: 'rgba(0,0,0,0)'\n }\n};\n\nvar STOP = 1;\nvar FORCED_STOP = 2;\n\n/**\n * Manager\n * @param {HTMLElement} element\n * @param {Object} [options]\n * @constructor\n */\nfunction Manager(element, options) {\n this.options = assign({}, Hammer.defaults, options || {});\n\n this.options.inputTarget = this.options.inputTarget || element;\n\n this.handlers = {};\n this.session = {};\n this.recognizers = [];\n this.oldCssProps = {};\n\n this.element = element;\n this.input = createInputInstance(this);\n this.touchAction = new TouchAction(this, this.options.touchAction);\n\n toggleCssProps(this, true);\n\n each(this.options.recognizers, function(item) {\n var recognizer = this.add(new (item[0])(item[1]));\n item[2] && recognizer.recognizeWith(item[2]);\n item[3] && recognizer.requireFailure(item[3]);\n }, this);\n}\n\nManager.prototype = {\n /**\n * set options\n * @param {Object} options\n * @returns {Manager}\n */\n set: function(options) {\n assign(this.options, options);\n\n // Options that need a little more setup\n if (options.touchAction) {\n this.touchAction.update();\n }\n if (options.inputTarget) {\n // Clean up existing event listeners and reinitialize\n this.input.destroy();\n this.input.target = options.inputTarget;\n this.input.init();\n }\n return this;\n },\n\n /**\n * stop recognizing for this session.\n * This session will be discarded, when a new [input]start event is fired.\n * When forced, the recognizer cycle is stopped immediately.\n * @param {Boolean} [force]\n */\n stop: function(force) {\n this.session.stopped = force ? FORCED_STOP : STOP;\n },\n\n /**\n * run the recognizers!\n * called by the inputHandler function on every movement of the pointers (touches)\n * it walks through all the recognizers and tries to detect the gesture that is being made\n * @param {Object} inputData\n */\n recognize: function(inputData) {\n var session = this.session;\n if (session.stopped) {\n return;\n }\n\n // run the touch-action polyfill\n this.touchAction.preventDefaults(inputData);\n\n var recognizer;\n var recognizers = this.recognizers;\n\n // this holds the recognizer that is being recognized.\n // so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED\n // if no recognizer is detecting a thing, it is set to `null`\n var curRecognizer = session.curRecognizer;\n\n // reset when the last recognizer is recognized\n // or when we're in a new session\n if (!curRecognizer || (curRecognizer && curRecognizer.state & STATE_RECOGNIZED)) {\n curRecognizer = session.curRecognizer = null;\n }\n\n var i = 0;\n while (i < recognizers.length) {\n recognizer = recognizers[i];\n\n // find out if we are allowed try to recognize the input for this one.\n // 1. allow if the session is NOT forced stopped (see the .stop() method)\n // 2. allow if we still haven't recognized a gesture in this session, or the this recognizer is the one\n // that is being recognized.\n // 3. allow if the recognizer is allowed to run simultaneous with the current recognized recognizer.\n // this can be setup with the `recognizeWith()` method on the recognizer.\n if (session.stopped !== FORCED_STOP && ( // 1\n !curRecognizer || recognizer == curRecognizer || // 2\n recognizer.canRecognizeWith(curRecognizer))) { // 3\n recognizer.recognize(inputData);\n } else {\n recognizer.reset();\n }\n\n // if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the\n // current active recognizer. but only if we don't already have an active recognizer\n if (!curRecognizer && recognizer.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED)) {\n curRecognizer = session.curRecognizer = recognizer;\n }\n i++;\n }\n },\n\n /**\n * get a recognizer by its event name.\n * @param {Recognizer|String} recognizer\n * @returns {Recognizer|Null}\n */\n get: function(recognizer) {\n if (recognizer instanceof Recognizer) {\n return recognizer;\n }\n\n var recognizers = this.recognizers;\n for (var i = 0; i < recognizers.length; i++) {\n if (recognizers[i].options.event == recognizer) {\n return recognizers[i];\n }\n }\n return null;\n },\n\n /**\n * add a recognizer to the manager\n * existing recognizers with the same event name will be removed\n * @param {Recognizer} recognizer\n * @returns {Recognizer|Manager}\n */\n add: function(recognizer) {\n if (invokeArrayArg(recognizer, 'add', this)) {\n return this;\n }\n\n // remove existing\n var existing = this.get(recognizer.options.event);\n if (existing) {\n this.remove(existing);\n }\n\n this.recognizers.push(recognizer);\n recognizer.manager = this;\n\n this.touchAction.update();\n return recognizer;\n },\n\n /**\n * remove a recognizer by name or instance\n * @param {Recognizer|String} recognizer\n * @returns {Manager}\n */\n remove: function(recognizer) {\n if (invokeArrayArg(recognizer, 'remove', this)) {\n return this;\n }\n\n recognizer = this.get(recognizer);\n\n // let's make sure this recognizer exists\n if (recognizer) {\n var recognizers = this.recognizers;\n var index = inArray(recognizers, recognizer);\n\n if (index !== -1) {\n recognizers.splice(index, 1);\n this.touchAction.update();\n }\n }\n\n return this;\n },\n\n /**\n * bind event\n * @param {String} events\n * @param {Function} handler\n * @returns {EventEmitter} this\n */\n on: function(events, handler) {\n if (events === undefined) {\n return;\n }\n if (handler === undefined) {\n return;\n }\n\n var handlers = this.handlers;\n each(splitStr(events), function(event) {\n handlers[event] = handlers[event] || [];\n handlers[event].push(handler);\n });\n return this;\n },\n\n /**\n * unbind event, leave emit blank to remove all handlers\n * @param {String} events\n * @param {Function} [handler]\n * @returns {EventEmitter} this\n */\n off: function(events, handler) {\n if (events === undefined) {\n return;\n }\n\n var handlers = this.handlers;\n each(splitStr(events), function(event) {\n if (!handler) {\n delete handlers[event];\n } else {\n handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);\n }\n });\n return this;\n },\n\n /**\n * emit event to the listeners\n * @param {String} event\n * @param {Object} data\n */\n emit: function(event, data) {\n // we also want to trigger dom events\n if (this.options.domEvents) {\n triggerDomEvent(event, data);\n }\n\n // no handlers, so skip it all\n var handlers = this.handlers[event] && this.handlers[event].slice();\n if (!handlers || !handlers.length) {\n return;\n }\n\n data.type = event;\n data.preventDefault = function() {\n data.srcEvent.preventDefault();\n };\n\n var i = 0;\n while (i < handlers.length) {\n handlers[i](data);\n i++;\n }\n },\n\n /**\n * destroy the manager and unbinds all events\n * it doesn't unbind dom events, that is the user own responsibility\n */\n destroy: function() {\n this.element && toggleCssProps(this, false);\n\n this.handlers = {};\n this.session = {};\n this.input.destroy();\n this.element = null;\n }\n};\n\n/**\n * add/remove the css properties as defined in manager.options.cssProps\n * @param {Manager} manager\n * @param {Boolean} add\n */\nfunction toggleCssProps(manager, add) {\n var element = manager.element;\n if (!element.style) {\n return;\n }\n var prop;\n each(manager.options.cssProps, function(value, name) {\n prop = prefixed(element.style, name);\n if (add) {\n manager.oldCssProps[prop] = element.style[prop];\n element.style[prop] = value;\n } else {\n element.style[prop] = manager.oldCssProps[prop] || '';\n }\n });\n if (!add) {\n manager.oldCssProps = {};\n }\n}\n\n/**\n * trigger dom event\n * @param {String} event\n * @param {Object} data\n */\nfunction triggerDomEvent(event, data) {\n var gestureEvent = document.createEvent('Event');\n gestureEvent.initEvent(event, true, true);\n gestureEvent.gesture = data;\n data.target.dispatchEvent(gestureEvent);\n}\n\nassign(Hammer, {\n INPUT_START: INPUT_START,\n INPUT_MOVE: INPUT_MOVE,\n INPUT_END: INPUT_END,\n INPUT_CANCEL: INPUT_CANCEL,\n\n STATE_POSSIBLE: STATE_POSSIBLE,\n STATE_BEGAN: STATE_BEGAN,\n STATE_CHANGED: STATE_CHANGED,\n STATE_ENDED: STATE_ENDED,\n STATE_RECOGNIZED: STATE_RECOGNIZED,\n STATE_CANCELLED: STATE_CANCELLED,\n STATE_FAILED: STATE_FAILED,\n\n DIRECTION_NONE: DIRECTION_NONE,\n DIRECTION_LEFT: DIRECTION_LEFT,\n DIRECTION_RIGHT: DIRECTION_RIGHT,\n DIRECTION_UP: DIRECTION_UP,\n DIRECTION_DOWN: DIRECTION_DOWN,\n DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL,\n DIRECTION_VERTICAL: DIRECTION_VERTICAL,\n DIRECTION_ALL: DIRECTION_ALL,\n\n Manager: Manager,\n Input: Input,\n TouchAction: TouchAction,\n\n TouchInput: TouchInput,\n MouseInput: MouseInput,\n PointerEventInput: PointerEventInput,\n TouchMouseInput: TouchMouseInput,\n SingleTouchInput: SingleTouchInput,\n\n Recognizer: Recognizer,\n AttrRecognizer: AttrRecognizer,\n Tap: TapRecognizer,\n Pan: PanRecognizer,\n Swipe: SwipeRecognizer,\n Pinch: PinchRecognizer,\n Rotate: RotateRecognizer,\n Press: PressRecognizer,\n\n on: addEventListeners,\n off: removeEventListeners,\n each: each,\n merge: merge,\n extend: extend,\n assign: assign,\n inherit: inherit,\n bindFn: bindFn,\n prefixed: prefixed\n});\n\n// this prevents errors when Hammer is loaded in the presence of an AMD\n// style loader but by script tag, not by the loader.\nvar freeGlobal = (typeof window !== 'undefined' ? window : (typeof self !== 'undefined' ? self : {})); // jshint ignore:line\nfreeGlobal.Hammer = Hammer;\n\nif (true) {\n !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n return Hammer;\n }.call(exports, __webpack_require__, exports, module),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n} else if (typeof module != 'undefined' && module.exports) {\n module.exports = Hammer;\n} else {\n window[exportName] = Hammer;\n}\n\n})(window, document, 'Hammer');\n\n\n/***/ }),\n/* 40 */\n/***/ (function(module, exports) {\n\n/*!\n * Determine if an object is a Buffer\n *\n * @author Feross Aboukhadijeh \n * @license MIT\n */\n\n// The _isBuffer check is for Safari 5-7 support, because it's missing\n// Object.prototype.constructor. Remove this eventually\nmodule.exports = function (obj) {\n return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)\n}\n\nfunction isBuffer (obj) {\n return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)\n}\n\n// For Node v0.10 support. Remove this eventually.\nfunction isSlowBuffer (obj) {\n return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))\n}\n\n\n/***/ }),\n/* 41 */\n/***/ (function(module, exports) {\n\n// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things. But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals. It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n throw new Error('clearTimeout has not been defined');\n}\n(function () {\n try {\n if (typeof setTimeout === 'function') {\n cachedSetTimeout = setTimeout;\n } else {\n cachedSetTimeout = defaultSetTimout;\n }\n } catch (e) {\n cachedSetTimeout = defaultSetTimout;\n }\n try {\n if (typeof clearTimeout === 'function') {\n cachedClearTimeout = clearTimeout;\n } else {\n cachedClearTimeout = defaultClearTimeout;\n }\n } catch (e) {\n cachedClearTimeout = defaultClearTimeout;\n }\n} ())\nfunction runTimeout(fun) {\n if (cachedSetTimeout === setTimeout) {\n //normal enviroments in sane situations\n return setTimeout(fun, 0);\n }\n // if setTimeout wasn't available but was latter defined\n if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n cachedSetTimeout = setTimeout;\n return setTimeout(fun, 0);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedSetTimeout(fun, 0);\n } catch(e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedSetTimeout.call(null, fun, 0);\n } catch(e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n return cachedSetTimeout.call(this, fun, 0);\n }\n }\n\n\n}\nfunction runClearTimeout(marker) {\n if (cachedClearTimeout === clearTimeout) {\n //normal enviroments in sane situations\n return clearTimeout(marker);\n }\n // if clearTimeout wasn't available but was latter defined\n if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n cachedClearTimeout = clearTimeout;\n return clearTimeout(marker);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedClearTimeout(marker);\n } catch (e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedClearTimeout.call(null, marker);\n } catch (e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n return cachedClearTimeout.call(this, marker);\n }\n }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n if (!draining || !currentQueue) {\n return;\n }\n draining = false;\n if (currentQueue.length) {\n queue = currentQueue.concat(queue);\n } else {\n queueIndex = -1;\n }\n if (queue.length) {\n drainQueue();\n }\n}\n\nfunction drainQueue() {\n if (draining) {\n return;\n }\n var timeout = runTimeout(cleanUpNextTick);\n draining = true;\n\n var len = queue.length;\n while(len) {\n currentQueue = queue;\n queue = [];\n while (++queueIndex < len) {\n if (currentQueue) {\n currentQueue[queueIndex].run();\n }\n }\n queueIndex = -1;\n len = queue.length;\n }\n currentQueue = null;\n draining = false;\n runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n var args = new Array(arguments.length - 1);\n if (arguments.length > 1) {\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n }\n queue.push(new Item(fun, args));\n if (queue.length === 1 && !draining) {\n runTimeout(drainQueue);\n }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n this.fun = fun;\n this.array = array;\n}\nItem.prototype.run = function () {\n this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n/***/ }),\n/* 42 */,\n/* 43 */,\n/* 44 */,\n/* 45 */,\n/* 46 */,\n/* 47 */,\n/* 48 */,\n/* 49 */\n/***/ (function(module, exports) {\n\n/**\n * Translates the list format produced by css-loader into something\n * easier to manipulate.\n */\nmodule.exports = function listToStyles (parentId, list) {\n var styles = []\n var newStyles = {}\n for (var i = 0; i < list.length; i++) {\n var item = list[i]\n var id = item[0]\n var css = item[1]\n var media = item[2]\n var sourceMap = item[3]\n var part = {\n id: parentId + ':' + i,\n css: css,\n media: media,\n sourceMap: sourceMap\n }\n if (!newStyles[id]) {\n styles.push(newStyles[id] = { id: id, parts: [part] })\n } else {\n newStyles[id].parts.push(part)\n }\n }\n return styles\n}\n\n\n/***/ }),\n/* 50 */\n/***/ (function(module, exports) {\n\nvar g;\r\n\r\n// This works in non-strict mode\r\ng = (function() {\r\n\treturn this;\r\n})();\r\n\r\ntry {\r\n\t// This works if eval is allowed (see CSP)\r\n\tg = g || Function(\"return this\")() || (1,eval)(\"this\");\r\n} catch(e) {\r\n\t// This works if the window reference is available\r\n\tif(typeof window === \"object\")\r\n\t\tg = window;\r\n}\r\n\r\n// g can still be undefined, but nothing to do about it...\r\n// We return undefined, instead of nothing here, so it's\r\n// easier to handle this case. if(!global) { ...}\r\n\r\nmodule.exports = g;\r\n\n\n/***/ }),\n/* 51 */\n/***/ (function(module, exports) {\n\n/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn \"@media \" + item[2] + \"{\" + content + \"}\";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join(\"\");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === \"string\")\n\t\t\tmodules = [[null, modules, \"\"]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === \"number\")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t// when a module is imported multiple times with different media queries.\n\t\t\t// I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || '';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === 'function') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join('\\n');\n\t}\n\n\treturn [content].join('\\n');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;\n\n\treturn '/*# ' + data + ' */';\n}\n\n\n/***/ }),\n/* 52 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/*\n MIT License http://www.opensource.org/licenses/mit-license.php\n Author Tobias Koppers @sokra\n Modified by Evan You @yyx990803\n*/\n\nvar hasDocument = typeof document !== 'undefined'\n\nif (typeof DEBUG !== 'undefined' && DEBUG) {\n if (!hasDocument) {\n throw new Error(\n 'vue-style-loader cannot be used in a non-browser environment. ' +\n \"Use { target: 'node' } in your Webpack config to indicate a server-rendering environment.\"\n ) }\n}\n\nvar listToStyles = __webpack_require__(49)\n\n/*\ntype StyleObject = {\n id: number;\n parts: Array\n}\n\ntype StyleObjectPart = {\n css: string;\n media: string;\n sourceMap: ?string\n}\n*/\n\nvar stylesInDom = {/*\n [id: number]: {\n id: number,\n refs: number,\n parts: Array<(obj?: StyleObjectPart) => void>\n }\n*/}\n\nvar head = hasDocument && (document.head || document.getElementsByTagName('head')[0])\nvar singletonElement = null\nvar singletonCounter = 0\nvar isProduction = false\nvar noop = function () {}\n\n// Force single-tag solution on IE6-9, which has a hard limit on the # of