(\n <>\n \n \n \n \n \n \n\n {children}\n\n \n \n
\n >\n )}\n />\n)\n\nLayout.propTypes = {\n children: PropTypes.node.isRequired,\n}\n\nexport default Layout\n","//\nmodule.exports = function shallowEqual(objA, objB, compare, compareContext) {\n var ret = compare ? compare.call(compareContext, objA, objB) : void 0;\n\n if (ret !== void 0) {\n return !!ret;\n }\n\n if (objA === objB) {\n return true;\n }\n\n if (typeof objA !== \"object\" || !objA || typeof objB !== \"object\" || !objB) {\n return false;\n }\n\n var keysA = Object.keys(objA);\n var keysB = Object.keys(objB);\n\n if (keysA.length !== keysB.length) {\n return false;\n }\n\n var bHasOwnProperty = Object.prototype.hasOwnProperty.bind(objB); // Test for A's keys different from B.\n\n for (var idx = 0; idx < keysA.length; idx++) {\n var key = keysA[idx];\n\n if (!bHasOwnProperty(key)) {\n return false;\n }\n\n var valueA = objA[key];\n var valueB = objB[key];\n ret = compare ? compare.call(compareContext, valueA, valueB, key) : void 0;\n\n if (ret === false || ret === void 0 && valueA !== valueB) {\n return false;\n }\n }\n\n return true;\n};","exports.__esModule = true;\nexports.Helmet = undefined;\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 _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 _react = require(\"react\");\n\nvar _react2 = _interopRequireDefault(_react);\n\nvar _propTypes = require(\"prop-types\");\n\nvar _propTypes2 = _interopRequireDefault(_propTypes);\n\nvar _reactSideEffect = require(\"react-side-effect\");\n\nvar _reactSideEffect2 = _interopRequireDefault(_reactSideEffect);\n\nvar _reactFastCompare = require(\"react-fast-compare\");\n\nvar _reactFastCompare2 = _interopRequireDefault(_reactFastCompare);\n\nvar _HelmetUtils = require(\"./HelmetUtils.js\");\n\nvar _HelmetConstants = require(\"./HelmetConstants.js\");\n\nfunction _interopRequireDefault(obj) {\n return obj && obj.__esModule ? obj : {\n default: obj\n };\n}\n\nfunction _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\nfunction _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\n\nfunction _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\nfunction _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 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\n return _possibleConstructorReturn(this, _React$Component.apply(this, arguments));\n }\n\n HelmetWrapper.prototype.shouldComponentUpdate = function shouldComponentUpdate(nextProps) {\n return !(0, _reactFastCompare2.default)(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 _HelmetConstants.TAG_NAMES.SCRIPT:\n case _HelmetConstants.TAG_NAMES.NOSCRIPT:\n return {\n innerHTML: nestedChildren\n };\n\n case _HelmetConstants.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 _extends2;\n\n var child = _ref.child,\n arrayTypeChildren = _ref.arrayTypeChildren,\n newChildProps = _ref.newChildProps,\n nestedChildren = _ref.nestedChildren;\n return _extends({}, arrayTypeChildren, (_extends2 = {}, _extends2[child.type] = [].concat(arrayTypeChildren[child.type] || [], [_extends({}, newChildProps, this.mapNestedChildrenToProps(child, nestedChildren))]), _extends2));\n };\n\n HelmetWrapper.prototype.mapObjectTypeChildren = function mapObjectTypeChildren(_ref2) {\n var _extends3, _extends4;\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 _HelmetConstants.TAG_NAMES.TITLE:\n return _extends({}, newProps, (_extends3 = {}, _extends3[child.type] = nestedChildren, _extends3.titleAttributes = _extends({}, newChildProps), _extends3));\n\n case _HelmetConstants.TAG_NAMES.BODY:\n return _extends({}, newProps, {\n bodyAttributes: _extends({}, newChildProps)\n });\n\n case _HelmetConstants.TAG_NAMES.HTML:\n return _extends({}, newProps, {\n htmlAttributes: _extends({}, newChildProps)\n });\n }\n\n return _extends({}, newProps, (_extends4 = {}, _extends4[child.type] = _extends({}, newChildProps), _extends4));\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 _extends5;\n\n newFlattenedProps = _extends({}, newFlattenedProps, (_extends5 = {}, _extends5[arrayChildName] = arrayTypeChildren[arrayChildName], _extends5));\n });\n return newFlattenedProps;\n };\n\n HelmetWrapper.prototype.warnOnInvalidChildren = function warnOnInvalidChildren(child, nestedChildren) {\n if (process.env.NODE_ENV !== \"production\") {\n if (!_HelmetConstants.VALID_TAG_NAMES.some(function (name) {\n return child.type === name;\n })) {\n if (typeof child.type === \"function\") {\n return (0, _HelmetUtils.warn)(\"You may be attempting to nest components within each other, which is not allowed. Refer to our API for more information.\");\n }\n\n return (0, _HelmetUtils.warn)(\"Only elements types \" + _HelmetConstants.VALID_TAG_NAMES.join(\", \") + \" are allowed. Helmet does not support rendering <\" + child.type + \"> elements. Refer to our API for more information.\");\n }\n\n if (nestedChildren && typeof nestedChildren !== \"string\" && (!Array.isArray(nestedChildren) || nestedChildren.some(function (nestedChild) {\n return typeof nestedChild !== \"string\";\n }))) {\n throw new Error(\"Helmet expects a string as a child of <\" + child.type + \">. Did you forget to wrap your children in braces? ( <\" + child.type + \">{``}\" + child.type + \"> ) Refer to our API for more information.\");\n }\n }\n\n return true;\n };\n\n HelmetWrapper.prototype.mapChildrenToProps = function mapChildrenToProps(children, newProps) {\n var _this2 = this;\n\n var arrayTypeChildren = {};\n\n _react2.default.Children.forEach(children, function (child) {\n if (!child || !child.props) {\n return;\n }\n\n var _child$props = child.props,\n nestedChildren = _child$props.children,\n childProps = _objectWithoutProperties(_child$props, [\"children\"]);\n\n var newChildProps = (0, _HelmetUtils.convertReactPropstoHtmlAttributes)(childProps);\n\n _this2.warnOnInvalidChildren(child, nestedChildren);\n\n switch (child.type) {\n case _HelmetConstants.TAG_NAMES.LINK:\n case _HelmetConstants.TAG_NAMES.META:\n case _HelmetConstants.TAG_NAMES.NOSCRIPT:\n case _HelmetConstants.TAG_NAMES.SCRIPT:\n case _HelmetConstants.TAG_NAMES.STYLE:\n arrayTypeChildren = _this2.flattenArrayTypeChildren({\n child: child,\n arrayTypeChildren: arrayTypeChildren,\n newChildProps: newChildProps,\n nestedChildren: nestedChildren\n });\n break;\n\n default:\n newProps = _this2.mapObjectTypeChildren({\n child: child,\n newProps: newProps,\n newChildProps: newChildProps,\n nestedChildren: nestedChildren\n });\n break;\n }\n });\n\n newProps = this.mapArrayTypeChildrenToProps(arrayTypeChildren, newProps);\n return newProps;\n };\n\n HelmetWrapper.prototype.render = function render() {\n var _props = this.props,\n children = _props.children,\n props = _objectWithoutProperties(_props, [\"children\"]);\n\n var newProps = _extends({}, props);\n\n if (children) {\n newProps = this.mapChildrenToProps(children, newProps);\n }\n\n return _react2.default.createElement(Component, newProps);\n };\n\n _createClass(HelmetWrapper, null, [{\n key: \"canUseDOM\",\n // Component.peek comes from react-side-effect:\n // For testing, you may use a static peek() method available on the returned component.\n // It lets you get the current state without resetting the mounted instance stack.\n // Don’t use it for anything other than testing.\n\n /**\n * @param {Object} base: {\"target\": \"_blank\", \"href\": \"http://mysite.com/\"}\n * @param {Object} bodyAttributes: {\"className\": \"root\"}\n * @param {String} defaultTitle: \"Default Title\"\n * @param {Boolean} defer: true\n * @param {Boolean} encodeSpecialCharacters: true\n * @param {Object} htmlAttributes: {\"lang\": \"en\", \"amp\": undefined}\n * @param {Array} link: [{\"rel\": \"canonical\", \"href\": \"http://mysite.com/example\"}]\n * @param {Array} meta: [{\"name\": \"description\", \"content\": \"Test description\"}]\n * @param {Array} noscript: [{\"innerHTML\": \"
console.log(newState)\"\n * @param {Array} script: [{\"type\": \"text/javascript\", \"src\": \"http://mysite.com/js/test.js\"}]\n * @param {Array} style: [{\"type\": \"text/css\", \"cssText\": \"div { display: block; color: blue; }\"}]\n * @param {String} title: \"Title\"\n * @param {Object} titleAttributes: {\"itemprop\": \"name\"}\n * @param {String} titleTemplate: \"MySite.com - %s\"\n */\n set: function set(canUseDOM) {\n Component.canUseDOM = canUseDOM;\n }\n }]);\n\n return HelmetWrapper;\n }(_react2.default.Component), _class.propTypes = {\n base: _propTypes2.default.object,\n bodyAttributes: _propTypes2.default.object,\n children: _propTypes2.default.oneOfType([_propTypes2.default.arrayOf(_propTypes2.default.node), _propTypes2.default.node]),\n defaultTitle: _propTypes2.default.string,\n defer: _propTypes2.default.bool,\n encodeSpecialCharacters: _propTypes2.default.bool,\n htmlAttributes: _propTypes2.default.object,\n link: _propTypes2.default.arrayOf(_propTypes2.default.object),\n meta: _propTypes2.default.arrayOf(_propTypes2.default.object),\n noscript: _propTypes2.default.arrayOf(_propTypes2.default.object),\n onChangeClientState: _propTypes2.default.func,\n script: _propTypes2.default.arrayOf(_propTypes2.default.object),\n style: _propTypes2.default.arrayOf(_propTypes2.default.object),\n title: _propTypes2.default.string,\n titleAttributes: _propTypes2.default.object,\n titleTemplate: _propTypes2.default.string\n }, _class.defaultProps = {\n defer: true,\n encodeSpecialCharacters: true\n }, _class.peek = Component.peek, _class.rewind = function () {\n var mappedState = Component.rewind();\n\n if (!mappedState) {\n // provide fallback if mappedState is undefined\n mappedState = (0, _HelmetUtils.mapStateOnServer)({\n baseTag: [],\n bodyAttributes: {},\n encodeSpecialCharacters: true,\n htmlAttributes: {},\n linkTags: [],\n metaTags: [],\n noscriptTags: [],\n scriptTags: [],\n styleTags: [],\n title: \"\",\n titleAttributes: {}\n });\n }\n\n return mappedState;\n }, _temp;\n};\n\nvar NullComponent = function NullComponent() {\n return null;\n};\n\nvar HelmetSideEffects = (0, _reactSideEffect2.default)(_HelmetUtils.reducePropsToState, _HelmetUtils.handleClientStateChange, _HelmetUtils.mapStateOnServer)(NullComponent);\nvar HelmetExport = Helmet(HelmetSideEffects);\nHelmetExport.renderStatic = HelmetExport.rewind;\nexports.Helmet = HelmetExport;\nexports.default = HelmetExport;","'use strict';\n\nvar isArray = Array.isArray;\nvar keyList = Object.keys;\nvar hasProp = Object.prototype.hasOwnProperty;\nvar hasElementType = typeof Element !== 'undefined';\n\nfunction equal(a, b) {\n // fast-deep-equal index.js 2.0.1\n if (a === b) return true;\n\n if (a && b && typeof a == 'object' && typeof b == 'object') {\n var arrA = isArray(a),\n arrB = isArray(b),\n i,\n length,\n key;\n\n if (arrA && arrB) {\n length = a.length;\n if (length != b.length) return false;\n\n for (i = length; i-- !== 0;) {\n if (!equal(a[i], b[i])) return false;\n }\n\n return true;\n }\n\n if (arrA != arrB) return false;\n var dateA = a instanceof Date,\n dateB = b instanceof Date;\n if (dateA != dateB) return false;\n if (dateA && dateB) return a.getTime() == b.getTime();\n var regexpA = a instanceof RegExp,\n regexpB = b instanceof RegExp;\n if (regexpA != regexpB) return false;\n if (regexpA && regexpB) return a.toString() == b.toString();\n var keys = keyList(a);\n length = keys.length;\n if (length !== keyList(b).length) return false;\n\n for (i = length; i-- !== 0;) {\n if (!hasProp.call(b, keys[i])) return false;\n } // end fast-deep-equal\n // start react-fast-compare\n // custom handling for DOM elements\n\n\n if (hasElementType && a instanceof Element && b instanceof Element) return a === b; // custom handling for React\n\n for (i = length; i-- !== 0;) {\n key = keys[i];\n\n if (key === '_owner' && a.$$typeof) {\n // React-specific: avoid traversing React elements' _owner.\n // _owner contains circular references\n // and is not needed when comparing the actual elements (and not their owners)\n // .$$typeof and ._store on just reasonable markers of a react element\n continue;\n } else {\n // all other properties should be traversed as usual\n if (!equal(a[key], b[key])) return false;\n }\n } // end react-fast-compare\n // fast-deep-equal index.js 2.0.1\n\n\n return true;\n }\n\n return a !== a && b !== b;\n} // end fast-deep-equal\n\n\nmodule.exports = function exportedEqual(a, b) {\n try {\n return equal(a, b);\n } catch (error) {\n if (error.message && error.message.match(/stack|recursion/i) || error.number === -2146828260) {\n // warn on circular references, don't crash\n // browsers give this different errors name and messages:\n // chrome/safari: \"RangeError\", \"Maximum call stack size exceeded\"\n // firefox: \"InternalError\", too much recursion\"\n // edge: \"Error\", \"Out of stack space\"\n console.warn('Warning: react-fast-compare does not handle circular references.', error.name, error.message);\n return false;\n } // some other error. we should definitely know about these\n\n\n throw error;\n }\n};","exports.__esModule = true;\nvar ATTRIBUTE_NAMES = exports.ATTRIBUTE_NAMES = {\n BODY: \"bodyAttributes\",\n HTML: \"htmlAttributes\",\n TITLE: \"titleAttributes\"\n};\nvar TAG_NAMES = exports.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 = exports.VALID_TAG_NAMES = Object.keys(TAG_NAMES).map(function (name) {\n return TAG_NAMES[name];\n});\nvar TAG_PROPERTIES = exports.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};\nvar REACT_TAG_MAP = exports.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 = exports.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 = exports.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 = exports.SELF_CLOSING_TAGS = [TAG_NAMES.NOSCRIPT, TAG_NAMES.SCRIPT, TAG_NAMES.STYLE];\nvar HELMET_ATTRIBUTE = exports.HELMET_ATTRIBUTE = \"data-react-helmet\";","exports.__esModule = true;\nexports.warn = exports.requestAnimationFrame = exports.reducePropsToState = exports.mapStateOnServer = exports.handleClientStateChange = exports.convertReactPropstoHtmlAttributes = undefined;\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 _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 _react = require(\"react\");\n\nvar _react2 = _interopRequireDefault(_react);\n\nvar _objectAssign = require(\"object-assign\");\n\nvar _objectAssign2 = _interopRequireDefault(_objectAssign);\n\nvar _HelmetConstants = require(\"./HelmetConstants.js\");\n\nfunction _interopRequireDefault(obj) {\n return obj && obj.__esModule ? obj : {\n default: obj\n };\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, _HelmetConstants.TAG_NAMES.TITLE);\n var innermostTemplate = getInnermostProperty(propsList, _HelmetConstants.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 innermostTitle;\n });\n }\n\n var innermostDefaultTitle = getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.DEFAULT_TITLE);\n return innermostTitle || innermostDefaultTitle || undefined;\n};\n\nvar getOnChangeClientState = function getOnChangeClientState(propsList) {\n return getInnermostProperty(propsList, _HelmetConstants.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[_HelmetConstants.TAG_NAMES.BASE] !== \"undefined\";\n }).map(function (props) {\n return props[_HelmetConstants.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 === _HelmetConstants.TAG_PROPERTIES.REL && tag[primaryAttributeKey].toLowerCase() === \"canonical\") && !(lowerCaseAttributeKey === _HelmetConstants.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 === _HelmetConstants.TAG_PROPERTIES.INNER_HTML || attributeKey === _HelmetConstants.TAG_PROPERTIES.CSS_TEXT || attributeKey === _HelmetConstants.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 = (0, _objectAssign2.default)({}, 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([_HelmetConstants.TAG_PROPERTIES.HREF], propsList),\n bodyAttributes: getAttributesFromPropsList(_HelmetConstants.ATTRIBUTE_NAMES.BODY, propsList),\n defer: getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.DEFER),\n encode: getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.ENCODE_SPECIAL_CHARACTERS),\n htmlAttributes: getAttributesFromPropsList(_HelmetConstants.ATTRIBUTE_NAMES.HTML, propsList),\n linkTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.LINK, [_HelmetConstants.TAG_PROPERTIES.REL, _HelmetConstants.TAG_PROPERTIES.HREF], propsList),\n metaTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.META, [_HelmetConstants.TAG_PROPERTIES.NAME, _HelmetConstants.TAG_PROPERTIES.CHARSET, _HelmetConstants.TAG_PROPERTIES.HTTPEQUIV, _HelmetConstants.TAG_PROPERTIES.PROPERTY, _HelmetConstants.TAG_PROPERTIES.ITEM_PROP], propsList),\n noscriptTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.NOSCRIPT, [_HelmetConstants.TAG_PROPERTIES.INNER_HTML], propsList),\n onChangeClientState: getOnChangeClientState(propsList),\n scriptTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.SCRIPT, [_HelmetConstants.TAG_PROPERTIES.SRC, _HelmetConstants.TAG_PROPERTIES.INNER_HTML], propsList),\n styleTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.STYLE, [_HelmetConstants.TAG_PROPERTIES.CSS_TEXT], propsList),\n title: getTitleFromPropsList(propsList),\n titleAttributes: getAttributesFromPropsList(_HelmetConstants.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.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(_HelmetConstants.TAG_NAMES.BODY, bodyAttributes);\n updateAttributes(_HelmetConstants.TAG_NAMES.HTML, htmlAttributes);\n updateTitle(title, titleAttributes);\n var tagUpdates = {\n baseTag: updateTags(_HelmetConstants.TAG_NAMES.BASE, baseTag),\n linkTags: updateTags(_HelmetConstants.TAG_NAMES.LINK, linkTags),\n metaTags: updateTags(_HelmetConstants.TAG_NAMES.META, metaTags),\n noscriptTags: updateTags(_HelmetConstants.TAG_NAMES.NOSCRIPT, noscriptTags),\n scriptTags: updateTags(_HelmetConstants.TAG_NAMES.SCRIPT, scriptTags),\n styleTags: updateTags(_HelmetConstants.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(_HelmetConstants.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(_HelmetConstants.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(_HelmetConstants.HELMET_ATTRIBUTE);\n } else if (elementTag.getAttribute(_HelmetConstants.HELMET_ATTRIBUTE) !== attributeKeys.join(\",\")) {\n elementTag.setAttribute(_HelmetConstants.HELMET_ATTRIBUTE, attributeKeys.join(\",\"));\n }\n};\n\nvar updateTags = function updateTags(type, tags) {\n var headElement = document.head || document.querySelector(_HelmetConstants.TAG_NAMES.HEAD);\n var tagNodes = headElement.querySelectorAll(type + \"[\" + _HelmetConstants.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 === _HelmetConstants.TAG_PROPERTIES.INNER_HTML) {\n newElement.innerHTML = tag.innerHTML;\n } else if (attribute === _HelmetConstants.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(_HelmetConstants.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 + \" \" + _HelmetConstants.HELMET_ATTRIBUTE + \"=\\\"true\\\" \" + attributeString + \">\" + encodeSpecialCharacters(flattenedTitle, encode) + \"\" + type + \">\" : \"<\" + type + \" \" + _HelmetConstants.HELMET_ATTRIBUTE + \"=\\\"true\\\">\" + encodeSpecialCharacters(flattenedTitle, encode) + \"\" + type + \">\";\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 === _HelmetConstants.TAG_PROPERTIES.INNER_HTML || attribute === _HelmetConstants.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 = _HelmetConstants.SELF_CLOSING_TAGS.indexOf(type) === -1;\n return str + \"<\" + type + \" \" + _HelmetConstants.HELMET_ATTRIBUTE + \"=\\\"true\\\" \" + attributeHtml + (isSelfClosing ? \"/>\" : \">\" + tagContent + \"\" + type + \">\");\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[_HelmetConstants.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[_HelmetConstants.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[_HelmetConstants.HELMET_ATTRIBUTE] = true, _initProps);\n var props = convertElementAttributestoReactProps(attributes, initProps);\n return [_react2.default.createElement(_HelmetConstants.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[_HelmetConstants.HELMET_ATTRIBUTE] = true, _mappedTag);\n Object.keys(tag).forEach(function (attribute) {\n var mappedAttribute = _HelmetConstants.REACT_TAG_MAP[attribute] || attribute;\n\n if (mappedAttribute === _HelmetConstants.TAG_PROPERTIES.INNER_HTML || mappedAttribute === _HelmetConstants.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 _react2.default.createElement(type, mappedTag);\n });\n};\n\nvar getMethodsForTag = function getMethodsForTag(type, tags, encode) {\n switch (type) {\n case _HelmetConstants.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 _HelmetConstants.ATTRIBUTE_NAMES.BODY:\n case _HelmetConstants.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(_HelmetConstants.TAG_NAMES.BASE, baseTag, encode),\n bodyAttributes: getMethodsForTag(_HelmetConstants.ATTRIBUTE_NAMES.BODY, bodyAttributes, encode),\n htmlAttributes: getMethodsForTag(_HelmetConstants.ATTRIBUTE_NAMES.HTML, htmlAttributes, encode),\n link: getMethodsForTag(_HelmetConstants.TAG_NAMES.LINK, linkTags, encode),\n meta: getMethodsForTag(_HelmetConstants.TAG_NAMES.META, metaTags, encode),\n noscript: getMethodsForTag(_HelmetConstants.TAG_NAMES.NOSCRIPT, noscriptTags, encode),\n script: getMethodsForTag(_HelmetConstants.TAG_NAMES.SCRIPT, scriptTags, encode),\n style: getMethodsForTag(_HelmetConstants.TAG_NAMES.STYLE, styleTags, encode),\n title: getMethodsForTag(_HelmetConstants.TAG_NAMES.TITLE, {\n title: title,\n titleAttributes: titleAttributes\n }, encode)\n };\n};\n\nexports.convertReactPropstoHtmlAttributes = convertReactPropstoHtmlAttributes;\nexports.handleClientStateChange = handleClientStateChange;\nexports.mapStateOnServer = mapStateOnServer;\nexports.reducePropsToState = reducePropsToState;\nexports.requestAnimationFrame = requestAnimationFrame;\nexports.warn = warn;","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n"],"sourceRoot":""}