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* Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n */\n\nimport MarkdownPage from 'components/MarkdownPage';\nimport React from 'react';\nimport {graphql} from 'gatsby';\nimport Layout from 'components/Layout';\nimport {createLinkTutorial} from 'utils/createLink';\nimport {sectionListTutorial} from 'utils/sectionList';\n\nconst Tutorial = ({data, location}) => {\n return (\n \n \n \n );\n};\n\nexport const pageQuery = graphql`\n query TemplateTutorialMarkdown($slug: String!) {\n markdownRemark(fields: {slug: {eq: $slug}}) {\n html\n frontmatter {\n title\n next\n prev\n }\n fields {\n path\n slug\n }\n }\n }\n`;\n\nexport default Tutorial;\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n * @flow\n */\n\nimport {urlRoot} from 'site-constants';\n\nexport default (slug: string): string | null =>\n slug == null ? null : `${urlRoot}/${slug.replace(/^\\//, '')}`;\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n * @flow\n */\n\nimport React from 'react';\n\nimport type {Node} from 'react';\n\nconst addString = (list: Array, string: string) =>\n list.push({string});\n\nconst toCommaSeparatedList = (\n array: Array,\n renderCallback: Function,\n): Array => {\n if (array.length <= 1) {\n return array.map(renderCallback);\n }\n\n const list = [];\n\n array.forEach((item, index) => {\n if (index === array.length - 1) {\n addString(list, array.length === 2 ? ' and ' : ', and ');\n list.push(renderCallback(item, index));\n } else if (index > 0) {\n addString(list, ', ');\n list.push(renderCallback(item, index));\n } else {\n list.push(renderCallback(item, index));\n }\n });\n\n return list;\n};\n\nexport default toCommaSeparatedList;\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n */\n\nimport Container from 'components/Container';\nimport Flex from 'components/Flex';\nimport {Link} from 'gatsby';\nimport PropTypes from 'prop-types';\nimport React from 'react';\nimport {colors, fonts, media} from 'theme';\n\nconst NavigationFooter = ({next, prev, location}) => {\n return (\n \n \n \n \n {prev && (\n
\n Previous article\n \n \n {prev.title}\n \n
\n \n )}\n \n {next && (\n \n
\n Next article\n \n \n {next.title}\n \n
\n \n \n )}\n \n \n \n );\n};\n\nNavigationFooter.propTypes = {\n next: PropTypes.shape({\n id: PropTypes.string.isRequired,\n title: PropTypes.string.isRequired,\n }),\n prev: PropTypes.shape({\n id: PropTypes.string.isRequired,\n title: PropTypes.string.isRequired,\n }),\n};\n\nexport default NavigationFooter;\n\nconst PrimaryLink = ({children, to, location}) => {\n // quick fix\n // TODO: replace this with better method of getting correct full url\n const updatedUrl =\n (location && location.pathname.replace(/\\/[^/]+\\.html/, '/' + to)) || to;\n return (\n \n {children}\n \n );\n};\n\nconst SecondaryLabel = ({children}) => (\n \n {children}\n \n);\n","'use strict';\nvar $ = require('../internals/export');\nvar createHTML = require('../internals/create-html');\nvar forcedStringHTMLMethod = require('../internals/string-html-forced');\n\n// `String.prototype.link` method\n// https://tc39.github.io/ecma262/#sec-string.prototype.link\n$({ target: 'String', proto: true, forced: forcedStringHTMLMethod('link') }, {\n link: function link(url) {\n return createHTML(this, 'a', 'href', url);\n }\n});\n","\"use strict\";\n\nvar _interopRequireDefault = require(\"@babel/runtime/helpers/interopRequireDefault\");\n\nexports.__esModule = true;\nexports.OutboundLink = OutboundLink;\nexports.trackCustomEvent = trackCustomEvent;\n\nvar _extends2 = _interopRequireDefault(require(\"@babel/runtime/helpers/extends\"));\n\nvar _objectWithoutPropertiesLoose2 = _interopRequireDefault(require(\"@babel/runtime/helpers/objectWithoutPropertiesLoose\"));\n\nvar _react = _interopRequireDefault(require(\"react\"));\n\nvar _propTypes = _interopRequireDefault(require(\"prop-types\"));\n\nvar createFunctionWithTimeout = function createFunctionWithTimeout(callback, opt_timeout) {\n if (opt_timeout === void 0) {\n opt_timeout = 1000;\n }\n\n var called = false;\n\n var raceCallback = function raceCallback() {\n if (!called) {\n called = true;\n callback();\n }\n };\n\n setTimeout(raceCallback, opt_timeout);\n return raceCallback;\n};\n\nfunction OutboundLink(props) {\n var eventCategory = props.eventCategory,\n eventAction = props.eventAction,\n eventLabel = props.eventLabel,\n eventValue = props.eventValue,\n rest = (0, _objectWithoutPropertiesLoose2.default)(props, [\"eventCategory\", \"eventAction\", \"eventLabel\", \"eventValue\"]);\n return /*#__PURE__*/_react.default.createElement(\"a\", (0, _extends2.default)({}, rest, {\n onClick: function onClick(e) {\n if (typeof props.onClick === \"function\") {\n props.onClick(e);\n }\n\n var redirect = true;\n\n if (e.button !== 0 || e.altKey || e.ctrlKey || e.metaKey || e.shiftKey || e.defaultPrevented) {\n redirect = false;\n }\n\n if (props.target && props.target.toLowerCase() !== \"_self\") {\n redirect = false;\n }\n\n if (window.ga) {\n window.ga(\"send\", \"event\", {\n eventCategory: eventCategory || \"Outbound Link\",\n eventAction: eventAction || \"click\",\n eventLabel: eventLabel || props.href,\n eventValue: eventValue,\n transport: redirect ? \"beacon\" : \"\",\n hitCallback: function hitCallback() {\n if (redirect) {\n document.location = props.href;\n }\n }\n });\n } else {\n if (redirect) {\n document.location = props.href;\n }\n }\n\n return false;\n }\n }));\n}\n\nOutboundLink.propTypes = {\n href: _propTypes.default.string,\n target: _propTypes.default.string,\n eventCategory: _propTypes.default.string,\n eventAction: _propTypes.default.string,\n eventLabel: _propTypes.default.string,\n eventValue: _propTypes.default.number,\n onClick: _propTypes.default.func\n};\n/**\n * This allows the user to create custom events within their Gatsby projects.\n *\n * @param {import('gatsby-plugin-google-analytics').CustomEventArgs} args\n * @see https://developers.google.com/analytics/devguides/collection/analyticsjs/field-reference#events\n */\n\nfunction trackCustomEvent(_ref) {\n var category = _ref.category,\n action = _ref.action,\n label = _ref.label,\n value = _ref.value,\n _ref$nonInteraction = _ref.nonInteraction,\n nonInteraction = _ref$nonInteraction === void 0 ? false : _ref$nonInteraction,\n transport = _ref.transport,\n hitCallback = _ref.hitCallback,\n _ref$callbackTimeout = _ref.callbackTimeout,\n callbackTimeout = _ref$callbackTimeout === void 0 ? 1000 : _ref$callbackTimeout;\n\n if (typeof window !== \"undefined\" && window.ga) {\n var trackingEventOptions = {\n eventCategory: category,\n eventAction: action,\n eventLabel: label,\n eventValue: value,\n nonInteraction: nonInteraction,\n transport: transport\n };\n\n if (hitCallback && typeof hitCallback === \"function\") {\n trackingEventOptions.hitCallback = createFunctionWithTimeout(hitCallback, callbackTimeout);\n }\n\n window.ga(\"send\", \"event\", trackingEventOptions);\n }\n}","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n */\n\nimport FeedbackForm from './FeedbackForm';\n\nexport default FeedbackForm;\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n * @flow\n */\n\nimport Container from 'components/Container';\nimport Flex from 'components/Flex';\nimport MarkdownHeader from 'components/MarkdownHeader';\nimport NavigationFooter from 'templates/components/NavigationFooter';\n// $FlowFixMe Update Flow\nimport React from 'react';\nimport StickyResponsiveSidebar from 'components/StickyResponsiveSidebar';\nimport TitleAndMetaTags from 'components/TitleAndMetaTags';\nimport FeedbackForm from 'components/FeedbackForm';\nimport findSectionForPath from 'utils/findSectionForPath';\nimport toCommaSeparatedList from 'utils/toCommaSeparatedList';\nimport createCanonicalUrl from 'utils/createCanonicalUrl';\nimport {sharedStyles, colors, media, fonts} from 'theme';\n\nimport type {Node} from 'types';\n\ntype Props = {\n authors: Array,\n createLink: Function, // TODO: Add better flow type once we Flow-type createLink\n date?: string,\n enableScrollSync?: boolean,\n ogDescription: string,\n location: Location,\n markdownRemark: Node,\n sectionList: Array, // TODO: Add better flow type once we have the Section component\n titlePostfix: string,\n};\n\nconst getPageById = (sectionList: Array, templateFile: ?string) => {\n if (!templateFile) {\n return null;\n }\n\n const sectionItems = sectionList.map(section => section.items);\n const flattenedSectionItems = [].concat.apply([], sectionItems);\n const linkId = templateFile.replace('.html', '');\n\n return flattenedSectionItems.find(item => item.id === linkId);\n};\n\nconst MarkdownPage = ({\n authors = [],\n createLink,\n date,\n enableScrollSync,\n ogDescription,\n location,\n markdownRemark,\n sectionList,\n titlePostfix = '',\n}: Props) => {\n const hasAuthors = authors.length > 0;\n const titlePrefix = markdownRemark.frontmatter.title || '';\n\n const prev = getPageById(sectionList, markdownRemark.frontmatter.prev);\n const next = getPageById(sectionList, markdownRemark.frontmatter.next);\n\n return (\n \n \n
\n \n
\n \n \n\n {(date || hasAuthors) && (\n
\n {date}{' '}\n {hasAuthors && (\n \n by{' '}\n {toCommaSeparatedList(authors, author => (\n \n {author.frontmatter.name}\n \n ))}\n \n )}\n
\n )}\n\n
\n \n\n {markdownRemark.fields.path && (\n
\n \n \n \n \n Edit this page\n \n
\n )}\n
\n \n\n
\n \n
\n
\n \n
\n\n {(next || prev) && (\n \n )}\n \n );\n};\n\nexport default MarkdownPage;\n","var DESCRIPTORS = require('../internals/descriptors');\nvar defineProperty = require('../internals/object-define-property').f;\n\nvar FunctionPrototype = Function.prototype;\nvar FunctionPrototypeToString = FunctionPrototype.toString;\nvar nameRE = /^\\s*function ([^ (]*)/;\nvar NAME = 'name';\n\n// Function instances `.name` property\n// https://tc39.github.io/ecma262/#sec-function-instances-name\nif (DESCRIPTORS && !(NAME in FunctionPrototype)) {\n defineProperty(FunctionPrototype, NAME, {\n configurable: true,\n get: function () {\n try {\n return FunctionPrototypeToString.call(this).match(nameRE)[1];\n } catch (error) {\n return '';\n }\n }\n });\n}\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n * @flow\n */\n\n// $FlowExpectedError\nimport React, {useState} from 'react';\nimport {trackCustomEvent} from 'gatsby-plugin-google-analytics';\nimport {sharedStyles} from 'theme';\n\nconst FeedbackForm = () => {\n const [feedbackGiven, setFeedbackGiven] = useState(false);\n\n if (feedbackGiven) {\n return 'Thanks for letting us know!';\n } else {\n return (\n \n Is this page useful?\n {\n e.preventDefault();\n trackCustomEvent({\n category: 'Feedback Button',\n action: 'feedback',\n label: window.location.pathname,\n value: 1,\n });\n setFeedbackGiven(true);\n }}>\n \n \n \n \n {\n e.preventDefault();\n trackCustomEvent({\n category: 'Feedback Button',\n action: 'feedback',\n label: window.location.pathname,\n value: 0,\n });\n setFeedbackGiven(true);\n }}>\n \n \n \n \n \n );\n }\n};\n\nexport default FeedbackForm;\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n */\n\nimport MarkdownPage from './MarkdownPage';\n\nexport default MarkdownPage;\n","/**\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * @emails react-core\n */\n\nimport NavigationFooter from './NavigationFooter';\n\nexport default NavigationFooter;\n"],"sourceRoot":""}