\n \n
\n )}\n \n )\n}\n\nconst Header = ({\n siteTitle,\n pathname,\n breakpoints,\n isLoggedIn,\n handleLogout,\n}) => {\n const classes = useStyles()\n const [mode, setMode] = useState(\"dark\")\n const listenScrollEvent = event => {\n if (window.scrollY < 5) {\n return setMode(\"dark\")\n } else if (window.scrollY > 35) {\n return setMode(\"light\")\n }\n }\n\n useEffect(() => {\n window.addEventListener(\"scroll\", listenScrollEvent)\n\n return () => window.removeEventListener(\"scroll\", listenScrollEvent)\n }, [])\n\n return (\n \n TOPへ\n
\n \n\n
\n )\n \n const Layout = ({ children,location,breakpoints,isLoggedIn,handleLogout }) => {\n const data = useStaticQuery(graphql`\n query SiteTitleQuery {\n logo: file(relativePath: { eq: \"svgs/stan_logo_normal.svg\" }) {\n publicURL\n },\n site {\n siteMetadata {\n title\n }\n }\n }\n `)\n \n \n const classes = useStyles();\n const [isIE, IsIE] = useState(false);\n const [loaded,setLoaded] = useState(true)\n\n useEffect(() => {\n const userAgent = window.navigator.userAgent.toLowerCase();\n if(userAgent.indexOf('msie') !== -1 || userAgent.indexOf('trident') !== -1 ) {\n IsIE(true)\n }\n setLoaded(false)\n },[])\n \n return (\n <>\n {\n loaded && (\n Internet Explorerでの表示に対応しておりません。
\nGoogle Chrome, Mirosoft Edge, Firefoxからご覧ください。
\n\n \n { isIE ? IEpage : children }\n \n
\n )\n } \n \n )\n }\n \n Layout.propTypes = {\n children: PropTypes.node.isRequired,\n }\n \n export default Layout\n ","import PropTypes from 'prop-types';\nimport withSideEffect from 'react-side-effect';\nimport isEqual from 'react-fast-compare';\nimport React from 'react';\nimport objectAssign from 'object-assign';\nvar ATTRIBUTE_NAMES = {\n BODY: \"bodyAttributes\",\n HTML: \"htmlAttributes\",\n TITLE: \"titleAttributes\"\n};\nvar TAG_NAMES = {\n BASE: \"base\",\n BODY: \"body\",\n HEAD: \"head\",\n HTML: \"html\",\n LINK: \"link\",\n META: \"meta\",\n NOSCRIPT: \"noscript\",\n SCRIPT: \"script\",\n STYLE: \"style\",\n TITLE: \"title\"\n};\nvar VALID_TAG_NAMES = Object.keys(TAG_NAMES).map(function (name) {\n return TAG_NAMES[name];\n});\nvar TAG_PROPERTIES = {\n CHARSET: \"charset\",\n CSS_TEXT: \"cssText\",\n HREF: \"href\",\n HTTPEQUIV: \"http-equiv\",\n INNER_HTML: \"innerHTML\",\n ITEM_PROP: \"itemprop\",\n NAME: \"name\",\n PROPERTY: \"property\",\n REL: \"rel\",\n SRC: \"src\",\n TARGET: \"target\"\n};\nvar REACT_TAG_MAP = {\n accesskey: \"accessKey\",\n charset: \"charSet\",\n class: \"className\",\n contenteditable: \"contentEditable\",\n contextmenu: \"contextMenu\",\n \"http-equiv\": \"httpEquiv\",\n itemprop: \"itemProp\",\n tabindex: \"tabIndex\"\n};\nvar HELMET_PROPS = {\n DEFAULT_TITLE: \"defaultTitle\",\n DEFER: \"defer\",\n ENCODE_SPECIAL_CHARACTERS: \"encodeSpecialCharacters\",\n ON_CHANGE_CLIENT_STATE: \"onChangeClientState\",\n TITLE_TEMPLATE: \"titleTemplate\"\n};\nvar HTML_TAG_MAP = Object.keys(REACT_TAG_MAP).reduce(function (obj, key) {\n obj[REACT_TAG_MAP[key]] = key;\n return obj;\n}, {});\nvar SELF_CLOSING_TAGS = [TAG_NAMES.NOSCRIPT, TAG_NAMES.SCRIPT, TAG_NAMES.STYLE];\nvar HELMET_ATTRIBUTE = \"data-react-helmet\";\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) {\n return typeof obj;\n} : function (obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n};\n\nvar classCallCheck = function classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n};\n\nvar createClass = function () {\n function defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n }\n\n return function (Constructor, protoProps, staticProps) {\n if (protoProps) defineProperties(Constructor.prototype, protoProps);\n if (staticProps) defineProperties(Constructor, staticProps);\n return Constructor;\n };\n}();\n\nvar _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n};\n\nvar inherits = function inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n }\n\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\nvar objectWithoutProperties = function objectWithoutProperties(obj, keys) {\n var target = {};\n\n for (var i in obj) {\n if (keys.indexOf(i) >= 0) continue;\n if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;\n target[i] = obj[i];\n }\n\n return target;\n};\n\nvar possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n if (!self) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n\n return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n};\n\nvar encodeSpecialCharacters = function encodeSpecialCharacters(str) {\n var encode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;\n\n if (encode === false) {\n return String(str);\n }\n\n return String(str).replace(/&/g, \"&\").replace(//g, \">\").replace(/\"/g, \""\").replace(/'/g, \"'\");\n};\n\nvar getTitleFromPropsList = function getTitleFromPropsList(propsList) {\n var innermostTitle = getInnermostProperty(propsList, TAG_NAMES.TITLE);\n var innermostTemplate = getInnermostProperty(propsList, HELMET_PROPS.TITLE_TEMPLATE);\n\n if (innermostTemplate && innermostTitle) {\n // use function arg to avoid need to escape $ characters\n return innermostTemplate.replace(/%s/g, function () {\n return Array.isArray(innermostTitle) ? innermostTitle.join(\"\") : innermostTitle;\n });\n }\n\n var innermostDefaultTitle = getInnermostProperty(propsList, HELMET_PROPS.DEFAULT_TITLE);\n return innermostTitle || innermostDefaultTitle || undefined;\n};\n\nvar getOnChangeClientState = function getOnChangeClientState(propsList) {\n return getInnermostProperty(propsList, HELMET_PROPS.ON_CHANGE_CLIENT_STATE) || function () {};\n};\n\nvar getAttributesFromPropsList = function getAttributesFromPropsList(tagType, propsList) {\n return propsList.filter(function (props) {\n return typeof props[tagType] !== \"undefined\";\n }).map(function (props) {\n return props[tagType];\n }).reduce(function (tagAttrs, current) {\n return _extends({}, tagAttrs, current);\n }, {});\n};\n\nvar getBaseTagFromPropsList = function getBaseTagFromPropsList(primaryAttributes, propsList) {\n return propsList.filter(function (props) {\n return typeof props[TAG_NAMES.BASE] !== \"undefined\";\n }).map(function (props) {\n return props[TAG_NAMES.BASE];\n }).reverse().reduce(function (innermostBaseTag, tag) {\n if (!innermostBaseTag.length) {\n var keys = Object.keys(tag);\n\n for (var i = 0; i < keys.length; i++) {\n var attributeKey = keys[i];\n var lowerCaseAttributeKey = attributeKey.toLowerCase();\n\n if (primaryAttributes.indexOf(lowerCaseAttributeKey) !== -1 && tag[lowerCaseAttributeKey]) {\n return innermostBaseTag.concat(tag);\n }\n }\n }\n\n return innermostBaseTag;\n }, []);\n};\n\nvar getTagsFromPropsList = function getTagsFromPropsList(tagName, primaryAttributes, propsList) {\n // Calculate list of tags, giving priority innermost component (end of the propslist)\n var approvedSeenTags = {};\n return propsList.filter(function (props) {\n if (Array.isArray(props[tagName])) {\n return true;\n }\n\n if (typeof props[tagName] !== \"undefined\") {\n warn(\"Helmet: \" + tagName + \" should be of type \\\"Array\\\". Instead found type \\\"\" + _typeof(props[tagName]) + \"\\\"\");\n }\n\n return false;\n }).map(function (props) {\n return props[tagName];\n }).reverse().reduce(function (approvedTags, instanceTags) {\n var instanceSeenTags = {};\n instanceTags.filter(function (tag) {\n var primaryAttributeKey = void 0;\n var keys = Object.keys(tag);\n\n for (var i = 0; i < keys.length; i++) {\n var attributeKey = keys[i];\n var lowerCaseAttributeKey = attributeKey.toLowerCase(); // Special rule with link tags, since rel and href are both primary tags, rel takes priority\n\n if (primaryAttributes.indexOf(lowerCaseAttributeKey) !== -1 && !(primaryAttributeKey === TAG_PROPERTIES.REL && tag[primaryAttributeKey].toLowerCase() === \"canonical\") && !(lowerCaseAttributeKey === TAG_PROPERTIES.REL && tag[lowerCaseAttributeKey].toLowerCase() === \"stylesheet\")) {\n primaryAttributeKey = lowerCaseAttributeKey;\n } // Special case for innerHTML which doesn't work lowercased\n\n\n if (primaryAttributes.indexOf(attributeKey) !== -1 && (attributeKey === TAG_PROPERTIES.INNER_HTML || attributeKey === TAG_PROPERTIES.CSS_TEXT || attributeKey === TAG_PROPERTIES.ITEM_PROP)) {\n primaryAttributeKey = attributeKey;\n }\n }\n\n if (!primaryAttributeKey || !tag[primaryAttributeKey]) {\n return false;\n }\n\n var value = tag[primaryAttributeKey].toLowerCase();\n\n if (!approvedSeenTags[primaryAttributeKey]) {\n approvedSeenTags[primaryAttributeKey] = {};\n }\n\n if (!instanceSeenTags[primaryAttributeKey]) {\n instanceSeenTags[primaryAttributeKey] = {};\n }\n\n if (!approvedSeenTags[primaryAttributeKey][value]) {\n instanceSeenTags[primaryAttributeKey][value] = true;\n return true;\n }\n\n return false;\n }).reverse().forEach(function (tag) {\n return approvedTags.push(tag);\n }); // Update seen tags with tags from this instance\n\n var keys = Object.keys(instanceSeenTags);\n\n for (var i = 0; i < keys.length; i++) {\n var attributeKey = keys[i];\n var tagUnion = objectAssign({}, approvedSeenTags[attributeKey], instanceSeenTags[attributeKey]);\n approvedSeenTags[attributeKey] = tagUnion;\n }\n\n return approvedTags;\n }, []).reverse();\n};\n\nvar getInnermostProperty = function getInnermostProperty(propsList, property) {\n for (var i = propsList.length - 1; i >= 0; i--) {\n var props = propsList[i];\n\n if (props.hasOwnProperty(property)) {\n return props[property];\n }\n }\n\n return null;\n};\n\nvar reducePropsToState = function reducePropsToState(propsList) {\n return {\n baseTag: getBaseTagFromPropsList([TAG_PROPERTIES.HREF, TAG_PROPERTIES.TARGET], propsList),\n bodyAttributes: getAttributesFromPropsList(ATTRIBUTE_NAMES.BODY, propsList),\n defer: getInnermostProperty(propsList, HELMET_PROPS.DEFER),\n encode: getInnermostProperty(propsList, HELMET_PROPS.ENCODE_SPECIAL_CHARACTERS),\n htmlAttributes: getAttributesFromPropsList(ATTRIBUTE_NAMES.HTML, propsList),\n linkTags: getTagsFromPropsList(TAG_NAMES.LINK, [TAG_PROPERTIES.REL, TAG_PROPERTIES.HREF], propsList),\n metaTags: getTagsFromPropsList(TAG_NAMES.META, [TAG_PROPERTIES.NAME, TAG_PROPERTIES.CHARSET, TAG_PROPERTIES.HTTPEQUIV, TAG_PROPERTIES.PROPERTY, TAG_PROPERTIES.ITEM_PROP], propsList),\n noscriptTags: getTagsFromPropsList(TAG_NAMES.NOSCRIPT, [TAG_PROPERTIES.INNER_HTML], propsList),\n onChangeClientState: getOnChangeClientState(propsList),\n scriptTags: getTagsFromPropsList(TAG_NAMES.SCRIPT, [TAG_PROPERTIES.SRC, TAG_PROPERTIES.INNER_HTML], propsList),\n styleTags: getTagsFromPropsList(TAG_NAMES.STYLE, [TAG_PROPERTIES.CSS_TEXT], propsList),\n title: getTitleFromPropsList(propsList),\n titleAttributes: getAttributesFromPropsList(ATTRIBUTE_NAMES.TITLE, propsList)\n };\n};\n\nvar rafPolyfill = function () {\n var clock = Date.now();\n return function (callback) {\n var currentTime = Date.now();\n\n if (currentTime - clock > 16) {\n clock = currentTime;\n callback(currentTime);\n } else {\n setTimeout(function () {\n rafPolyfill(callback);\n }, 0);\n }\n };\n}();\n\nvar cafPolyfill = function cafPolyfill(id) {\n return clearTimeout(id);\n};\n\nvar requestAnimationFrame = typeof window !== \"undefined\" ? window.requestAnimationFrame && window.requestAnimationFrame.bind(window) || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || rafPolyfill : global.requestAnimationFrame || rafPolyfill;\nvar cancelAnimationFrame = typeof window !== \"undefined\" ? window.cancelAnimationFrame || window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || cafPolyfill : global.cancelAnimationFrame || cafPolyfill;\n\nvar warn = function warn(msg) {\n return console && typeof console.warn === \"function\" && console.warn(msg);\n};\n\nvar _helmetCallback = null;\n\nvar handleClientStateChange = function handleClientStateChange(newState) {\n if (_helmetCallback) {\n cancelAnimationFrame(_helmetCallback);\n }\n\n if (newState.defer) {\n _helmetCallback = requestAnimationFrame(function () {\n commitTagChanges(newState, function () {\n _helmetCallback = null;\n });\n });\n } else {\n commitTagChanges(newState);\n _helmetCallback = null;\n }\n};\n\nvar commitTagChanges = function commitTagChanges(newState, cb) {\n var baseTag = newState.baseTag,\n bodyAttributes = newState.bodyAttributes,\n htmlAttributes = newState.htmlAttributes,\n linkTags = newState.linkTags,\n metaTags = newState.metaTags,\n noscriptTags = newState.noscriptTags,\n onChangeClientState = newState.onChangeClientState,\n scriptTags = newState.scriptTags,\n styleTags = newState.styleTags,\n title = newState.title,\n titleAttributes = newState.titleAttributes;\n updateAttributes(TAG_NAMES.BODY, bodyAttributes);\n updateAttributes(TAG_NAMES.HTML, htmlAttributes);\n updateTitle(title, titleAttributes);\n var tagUpdates = {\n baseTag: updateTags(TAG_NAMES.BASE, baseTag),\n linkTags: updateTags(TAG_NAMES.LINK, linkTags),\n metaTags: updateTags(TAG_NAMES.META, metaTags),\n noscriptTags: updateTags(TAG_NAMES.NOSCRIPT, noscriptTags),\n scriptTags: updateTags(TAG_NAMES.SCRIPT, scriptTags),\n styleTags: updateTags(TAG_NAMES.STYLE, styleTags)\n };\n var addedTags = {};\n var removedTags = {};\n Object.keys(tagUpdates).forEach(function (tagType) {\n var _tagUpdates$tagType = tagUpdates[tagType],\n newTags = _tagUpdates$tagType.newTags,\n oldTags = _tagUpdates$tagType.oldTags;\n\n if (newTags.length) {\n addedTags[tagType] = newTags;\n }\n\n if (oldTags.length) {\n removedTags[tagType] = tagUpdates[tagType].oldTags;\n }\n });\n cb && cb();\n onChangeClientState(newState, addedTags, removedTags);\n};\n\nvar flattenArray = function flattenArray(possibleArray) {\n return Array.isArray(possibleArray) ? possibleArray.join(\"\") : possibleArray;\n};\n\nvar updateTitle = function updateTitle(title, attributes) {\n if (typeof title !== \"undefined\" && document.title !== title) {\n document.title = flattenArray(title);\n }\n\n updateAttributes(TAG_NAMES.TITLE, attributes);\n};\n\nvar updateAttributes = function updateAttributes(tagName, attributes) {\n var elementTag = document.getElementsByTagName(tagName)[0];\n\n if (!elementTag) {\n return;\n }\n\n var helmetAttributeString = elementTag.getAttribute(HELMET_ATTRIBUTE);\n var helmetAttributes = helmetAttributeString ? helmetAttributeString.split(\",\") : [];\n var attributesToRemove = [].concat(helmetAttributes);\n var attributeKeys = Object.keys(attributes);\n\n for (var i = 0; i < attributeKeys.length; i++) {\n var attribute = attributeKeys[i];\n var value = attributes[attribute] || \"\";\n\n if (elementTag.getAttribute(attribute) !== value) {\n elementTag.setAttribute(attribute, value);\n }\n\n if (helmetAttributes.indexOf(attribute) === -1) {\n helmetAttributes.push(attribute);\n }\n\n var indexToSave = attributesToRemove.indexOf(attribute);\n\n if (indexToSave !== -1) {\n attributesToRemove.splice(indexToSave, 1);\n }\n }\n\n for (var _i = attributesToRemove.length - 1; _i >= 0; _i--) {\n elementTag.removeAttribute(attributesToRemove[_i]);\n }\n\n if (helmetAttributes.length === attributesToRemove.length) {\n elementTag.removeAttribute(HELMET_ATTRIBUTE);\n } else if (elementTag.getAttribute(HELMET_ATTRIBUTE) !== attributeKeys.join(\",\")) {\n elementTag.setAttribute(HELMET_ATTRIBUTE, attributeKeys.join(\",\"));\n }\n};\n\nvar updateTags = function updateTags(type, tags) {\n var headElement = document.head || document.querySelector(TAG_NAMES.HEAD);\n var tagNodes = headElement.querySelectorAll(type + \"[\" + HELMET_ATTRIBUTE + \"]\");\n var oldTags = Array.prototype.slice.call(tagNodes);\n var newTags = [];\n var indexToDelete = void 0;\n\n if (tags && tags.length) {\n tags.forEach(function (tag) {\n var newElement = document.createElement(type);\n\n for (var attribute in tag) {\n if (tag.hasOwnProperty(attribute)) {\n if (attribute === TAG_PROPERTIES.INNER_HTML) {\n newElement.innerHTML = tag.innerHTML;\n } else if (attribute === TAG_PROPERTIES.CSS_TEXT) {\n if (newElement.styleSheet) {\n newElement.styleSheet.cssText = tag.cssText;\n } else {\n newElement.appendChild(document.createTextNode(tag.cssText));\n }\n } else {\n var value = typeof tag[attribute] === \"undefined\" ? \"\" : tag[attribute];\n newElement.setAttribute(attribute, value);\n }\n }\n }\n\n newElement.setAttribute(HELMET_ATTRIBUTE, \"true\"); // Remove a duplicate tag from domTagstoRemove, so it isn't cleared.\n\n if (oldTags.some(function (existingTag, index) {\n indexToDelete = index;\n return newElement.isEqualNode(existingTag);\n })) {\n oldTags.splice(indexToDelete, 1);\n } else {\n newTags.push(newElement);\n }\n });\n }\n\n oldTags.forEach(function (tag) {\n return tag.parentNode.removeChild(tag);\n });\n newTags.forEach(function (tag) {\n return headElement.appendChild(tag);\n });\n return {\n oldTags: oldTags,\n newTags: newTags\n };\n};\n\nvar generateElementAttributesAsString = function generateElementAttributesAsString(attributes) {\n return Object.keys(attributes).reduce(function (str, key) {\n var attr = typeof attributes[key] !== \"undefined\" ? key + \"=\\\"\" + attributes[key] + \"\\\"\" : \"\" + key;\n return str ? str + \" \" + attr : attr;\n }, \"\");\n};\n\nvar generateTitleAsString = function generateTitleAsString(type, title, attributes, encode) {\n var attributeString = generateElementAttributesAsString(attributes);\n var flattenedTitle = flattenArray(title);\n return attributeString ? \"<\" + type + \" \" + HELMET_ATTRIBUTE + \"=\\\"true\\\" \" + attributeString + \">\" + encodeSpecialCharacters(flattenedTitle, encode) + \"\" : \"<\" + type + \" \" + HELMET_ATTRIBUTE + \"=\\\"true\\\">\" + encodeSpecialCharacters(flattenedTitle, encode) + \"\";\n};\n\nvar generateTagsAsString = function generateTagsAsString(type, tags, encode) {\n return tags.reduce(function (str, tag) {\n var attributeHtml = Object.keys(tag).filter(function (attribute) {\n return !(attribute === TAG_PROPERTIES.INNER_HTML || attribute === TAG_PROPERTIES.CSS_TEXT);\n }).reduce(function (string, attribute) {\n var attr = typeof tag[attribute] === \"undefined\" ? attribute : attribute + \"=\\\"\" + encodeSpecialCharacters(tag[attribute], encode) + \"\\\"\";\n return string ? string + \" \" + attr : attr;\n }, \"\");\n var tagContent = tag.innerHTML || tag.cssText || \"\";\n var isSelfClosing = SELF_CLOSING_TAGS.indexOf(type) === -1;\n return str + \"<\" + type + \" \" + HELMET_ATTRIBUTE + \"=\\\"true\\\" \" + attributeHtml + (isSelfClosing ? \"/>\" : \">\" + tagContent + \"\");\n }, \"\");\n};\n\nvar convertElementAttributestoReactProps = function convertElementAttributestoReactProps(attributes) {\n var initProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n return Object.keys(attributes).reduce(function (obj, key) {\n obj[REACT_TAG_MAP[key] || key] = attributes[key];\n return obj;\n }, initProps);\n};\n\nvar convertReactPropstoHtmlAttributes = function convertReactPropstoHtmlAttributes(props) {\n var initAttributes = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n return Object.keys(props).reduce(function (obj, key) {\n obj[HTML_TAG_MAP[key] || key] = props[key];\n return obj;\n }, initAttributes);\n};\n\nvar generateTitleAsReactComponent = function generateTitleAsReactComponent(type, title, attributes) {\n var _initProps; // assigning into an array to define toString function on it\n\n\n var initProps = (_initProps = {\n key: title\n }, _initProps[HELMET_ATTRIBUTE] = true, _initProps);\n var props = convertElementAttributestoReactProps(attributes, initProps);\n return [React.createElement(TAG_NAMES.TITLE, props, title)];\n};\n\nvar generateTagsAsReactComponent = function generateTagsAsReactComponent(type, tags) {\n return tags.map(function (tag, i) {\n var _mappedTag;\n\n var mappedTag = (_mappedTag = {\n key: i\n }, _mappedTag[HELMET_ATTRIBUTE] = true, _mappedTag);\n Object.keys(tag).forEach(function (attribute) {\n var mappedAttribute = REACT_TAG_MAP[attribute] || attribute;\n\n if (mappedAttribute === TAG_PROPERTIES.INNER_HTML || mappedAttribute === TAG_PROPERTIES.CSS_TEXT) {\n var content = tag.innerHTML || tag.cssText;\n mappedTag.dangerouslySetInnerHTML = {\n __html: content\n };\n } else {\n mappedTag[mappedAttribute] = tag[attribute];\n }\n });\n return React.createElement(type, mappedTag);\n });\n};\n\nvar getMethodsForTag = function getMethodsForTag(type, tags, encode) {\n switch (type) {\n case TAG_NAMES.TITLE:\n return {\n toComponent: function toComponent() {\n return generateTitleAsReactComponent(type, tags.title, tags.titleAttributes, encode);\n },\n toString: function toString() {\n return generateTitleAsString(type, tags.title, tags.titleAttributes, encode);\n }\n };\n\n case ATTRIBUTE_NAMES.BODY:\n case ATTRIBUTE_NAMES.HTML:\n return {\n toComponent: function toComponent() {\n return convertElementAttributestoReactProps(tags);\n },\n toString: function toString() {\n return generateElementAttributesAsString(tags);\n }\n };\n\n default:\n return {\n toComponent: function toComponent() {\n return generateTagsAsReactComponent(type, tags);\n },\n toString: function toString() {\n return generateTagsAsString(type, tags, encode);\n }\n };\n }\n};\n\nvar mapStateOnServer = function mapStateOnServer(_ref) {\n var baseTag = _ref.baseTag,\n bodyAttributes = _ref.bodyAttributes,\n encode = _ref.encode,\n htmlAttributes = _ref.htmlAttributes,\n linkTags = _ref.linkTags,\n metaTags = _ref.metaTags,\n noscriptTags = _ref.noscriptTags,\n scriptTags = _ref.scriptTags,\n styleTags = _ref.styleTags,\n _ref$title = _ref.title,\n title = _ref$title === undefined ? \"\" : _ref$title,\n titleAttributes = _ref.titleAttributes;\n return {\n base: getMethodsForTag(TAG_NAMES.BASE, baseTag, encode),\n bodyAttributes: getMethodsForTag(ATTRIBUTE_NAMES.BODY, bodyAttributes, encode),\n htmlAttributes: getMethodsForTag(ATTRIBUTE_NAMES.HTML, htmlAttributes, encode),\n link: getMethodsForTag(TAG_NAMES.LINK, linkTags, encode),\n meta: getMethodsForTag(TAG_NAMES.META, metaTags, encode),\n noscript: getMethodsForTag(TAG_NAMES.NOSCRIPT, noscriptTags, encode),\n script: getMethodsForTag(TAG_NAMES.SCRIPT, scriptTags, encode),\n style: getMethodsForTag(TAG_NAMES.STYLE, styleTags, encode),\n title: getMethodsForTag(TAG_NAMES.TITLE, {\n title: title,\n titleAttributes: titleAttributes\n }, encode)\n };\n};\n\nvar Helmet = function Helmet(Component) {\n var _class, _temp;\n\n return _temp = _class = function (_React$Component) {\n inherits(HelmetWrapper, _React$Component);\n\n function HelmetWrapper() {\n classCallCheck(this, HelmetWrapper);\n return possibleConstructorReturn(this, _React$Component.apply(this, arguments));\n }\n\n HelmetWrapper.prototype.shouldComponentUpdate = function shouldComponentUpdate(nextProps) {\n return !isEqual(this.props, nextProps);\n };\n\n HelmetWrapper.prototype.mapNestedChildrenToProps = function mapNestedChildrenToProps(child, nestedChildren) {\n if (!nestedChildren) {\n return null;\n }\n\n switch (child.type) {\n case TAG_NAMES.SCRIPT:\n case TAG_NAMES.NOSCRIPT:\n return {\n innerHTML: nestedChildren\n };\n\n case TAG_NAMES.STYLE:\n return {\n cssText: nestedChildren\n };\n }\n\n throw new Error(\"<\" + child.type + \" /> elements are self-closing and can not contain children. Refer to our API for more information.\");\n };\n\n HelmetWrapper.prototype.flattenArrayTypeChildren = function flattenArrayTypeChildren(_ref) {\n var _babelHelpers$extends;\n\n var child = _ref.child,\n arrayTypeChildren = _ref.arrayTypeChildren,\n newChildProps = _ref.newChildProps,\n nestedChildren = _ref.nestedChildren;\n return _extends({}, arrayTypeChildren, (_babelHelpers$extends = {}, _babelHelpers$extends[child.type] = [].concat(arrayTypeChildren[child.type] || [], [_extends({}, newChildProps, this.mapNestedChildrenToProps(child, nestedChildren))]), _babelHelpers$extends));\n };\n\n HelmetWrapper.prototype.mapObjectTypeChildren = function mapObjectTypeChildren(_ref2) {\n var _babelHelpers$extends2, _babelHelpers$extends3;\n\n var child = _ref2.child,\n newProps = _ref2.newProps,\n newChildProps = _ref2.newChildProps,\n nestedChildren = _ref2.nestedChildren;\n\n switch (child.type) {\n case TAG_NAMES.TITLE:\n return _extends({}, newProps, (_babelHelpers$extends2 = {}, _babelHelpers$extends2[child.type] = nestedChildren, _babelHelpers$extends2.titleAttributes = _extends({}, newChildProps), _babelHelpers$extends2));\n\n case TAG_NAMES.BODY:\n return _extends({}, newProps, {\n bodyAttributes: _extends({}, newChildProps)\n });\n\n case TAG_NAMES.HTML:\n return _extends({}, newProps, {\n htmlAttributes: _extends({}, newChildProps)\n });\n }\n\n return _extends({}, newProps, (_babelHelpers$extends3 = {}, _babelHelpers$extends3[child.type] = _extends({}, newChildProps), _babelHelpers$extends3));\n };\n\n HelmetWrapper.prototype.mapArrayTypeChildrenToProps = function mapArrayTypeChildrenToProps(arrayTypeChildren, newProps) {\n var newFlattenedProps = _extends({}, newProps);\n\n Object.keys(arrayTypeChildren).forEach(function (arrayChildName) {\n var _babelHelpers$extends4;\n\n newFlattenedProps = _extends({}, newFlattenedProps, (_babelHelpers$extends4 = {}, _babelHelpers$extends4[arrayChildName] = arrayTypeChildren[arrayChildName], _babelHelpers$extends4));\n });\n return newFlattenedProps;\n };\n\n HelmetWrapper.prototype.warnOnInvalidChildren = function warnOnInvalidChildren(child, nestedChildren) {\n if (process.env.NODE_ENV !== \"production\") {\n if (!VALID_TAG_NAMES.some(function (name) {\n return child.type === name;\n })) {\n if (typeof child.type === \"function\") {\n return warn(\"You may be attempting to nest \n
\n \n \n 
\n
\n