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React from 'react'\nimport PropTypes from 'prop-types'\nimport Img from 'gatsby-image'\n\nconst PreviewCompatibleImage = ({ imageInfo }) => {\n const imageStyle = { borderRadius: '5px' }\n const { alt = '', childImageSharp, image } = imageInfo\n\n if (!!image && !!image.childImageSharp) {\n return (\n {alt}\n )\n }\n\n if (!!childImageSharp) {\n return {alt}\n }\n\n if (!!image && typeof image === 'string')\n return {alt}\n\n return null\n}\n\nPreviewCompatibleImage.propTypes = {\n imageInfo: PropTypes.shape({\n alt: PropTypes.string,\n childImageSharp: PropTypes.object,\n image: PropTypes.oneOfType([PropTypes.object, PropTypes.string]).isRequired,\n style: PropTypes.object,\n }).isRequired,\n}\n\nexport default PreviewCompatibleImage\n","import React from 'react'\nimport {Link} from 'gatsby'\n\nimport PreviewCompatibleImage from './PreviewCompatibleImage'\n\nconst ArticleCard = props => {\n const post = props.post;\n\n return (\n
\n
\n
\n
\n \n \n \n
\n
\n
\n
\n \n {post.frontmatter.title}\n \n
{post.frontmatter.date}
\n
\n

{post.excerpt}

\n \n Читать дальше →\n \n
\n
\n
\n
\n
\n )\n};\n\nexport default ArticleCard;\n","\"use strict\";\n\nvar _interopRequireDefault = require(\"@babel/runtime/helpers/interopRequireDefault\");\n\nexports.__esModule = true;\nexports.default = void 0;\n\nvar _assertThisInitialized2 = _interopRequireDefault(require(\"@babel/runtime/helpers/assertThisInitialized\"));\n\nvar _inheritsLoose2 = _interopRequireDefault(require(\"@babel/runtime/helpers/inheritsLoose\"));\n\nvar _objectWithoutPropertiesLoose2 = _interopRequireDefault(require(\"@babel/runtime/helpers/objectWithoutPropertiesLoose\"));\n\nvar _extends2 = _interopRequireDefault(require(\"@babel/runtime/helpers/extends\"));\n\nvar _react = _interopRequireDefault(require(\"react\"));\n\nvar _propTypes = _interopRequireDefault(require(\"prop-types\"));\n\nvar logDeprecationNotice = function logDeprecationNotice(prop, replacement) {\n if (process.env.NODE_ENV === \"production\") {\n return;\n }\n\n console.log(\"\\n The \\\"\" + prop + \"\\\" prop is now deprecated and will be removed in the next major version\\n of \\\"gatsby-image\\\".\\n \");\n\n if (replacement) {\n console.log(\"Please use \" + replacement + \" instead of \\\"\" + prop + \"\\\".\");\n }\n}; // Handle legacy props during their deprecation phase\n\n\nvar convertProps = function convertProps(props) {\n var convertedProps = (0, _extends2.default)({}, props);\n var resolutions = convertedProps.resolutions,\n sizes = convertedProps.sizes,\n critical = convertedProps.critical;\n\n if (resolutions) {\n convertedProps.fixed = resolutions;\n logDeprecationNotice(\"resolutions\", \"the gatsby-image v2 prop \\\"fixed\\\"\");\n delete convertedProps.resolutions;\n }\n\n if (sizes) {\n convertedProps.fluid = sizes;\n logDeprecationNotice(\"sizes\", \"the gatsby-image v2 prop \\\"fluid\\\"\");\n delete convertedProps.sizes;\n }\n\n if (critical) {\n logDeprecationNotice(\"critical\", \"the native \\\"loading\\\" attribute\");\n convertedProps.loading = \"eager\";\n } // convert fluid & fixed to arrays so we only have to work with arrays\n\n\n if (convertedProps.fluid) {\n convertedProps.fluid = groupByMedia([].concat(convertedProps.fluid));\n }\n\n if (convertedProps.fixed) {\n convertedProps.fixed = groupByMedia([].concat(convertedProps.fixed));\n }\n\n return convertedProps;\n};\n/**\n * Checks if fluid or fixed are art-direction arrays.\n *\n * @param currentData {{media?: string}[]} The props to check for images.\n * @return {boolean}\n */\n\n\nvar hasArtDirectionSupport = function hasArtDirectionSupport(currentData) {\n return !!currentData && Array.isArray(currentData) && currentData.some(function (image) {\n return typeof image.media !== \"undefined\";\n });\n};\n/**\n * Tries to detect if a media query matches the current viewport.\n * @property media {{media?: string}} A media query string.\n * @return {boolean}\n */\n\n\nvar matchesMedia = function matchesMedia(_ref) {\n var media = _ref.media;\n return media ? isBrowser && !!window.matchMedia(media).matches : false;\n};\n/**\n * Find the source of an image to use as a key in the image cache.\n * Use `the first image in either `fixed` or `fluid`\n * @param {{fluid: {src: string, media?: string}[], fixed: {src: string, media?: string}[]}} args\n * @return {string?} Returns image src or undefined it not given.\n */\n\n\nvar getImageCacheKey = function getImageCacheKey(_ref2) {\n var fluid = _ref2.fluid,\n fixed = _ref2.fixed;\n var srcData = getCurrentSrcData(fluid || fixed || []);\n return srcData && srcData.src;\n};\n/**\n * Returns the current src - Preferably with art-direction support.\n * @param currentData {{media?: string}[], maxWidth?: Number, maxHeight?: Number} The fluid or fixed image array.\n * @return {{src: string, media?: string, maxWidth?: Number, maxHeight?: Number}}\n */\n\n\nvar getCurrentSrcData = function getCurrentSrcData(currentData) {\n if (isBrowser && hasArtDirectionSupport(currentData)) {\n // Do we have an image for the current Viewport?\n var foundMedia = currentData.findIndex(matchesMedia);\n\n if (foundMedia !== -1) {\n return currentData[foundMedia];\n } // No media matches, select first element without a media condition\n\n\n var noMedia = currentData.findIndex(function (image) {\n return typeof image.media === \"undefined\";\n });\n\n if (noMedia !== -1) {\n return currentData[noMedia];\n }\n } // Else return the first image.\n\n\n return currentData[0];\n}; // Cache if we've seen an image before so we don't bother with\n// lazy-loading & fading in on subsequent mounts.\n\n\nvar imageCache = Object.create({});\n\nvar inImageCache = function inImageCache(props) {\n var convertedProps = convertProps(props);\n var cacheKey = getImageCacheKey(convertedProps);\n return imageCache[cacheKey] || false;\n};\n\nvar activateCacheForImage = function activateCacheForImage(props) {\n var convertedProps = convertProps(props);\n var cacheKey = getImageCacheKey(convertedProps);\n\n if (cacheKey) {\n imageCache[cacheKey] = true;\n }\n}; // Native lazy-loading support: https://addyosmani.com/blog/lazy-loading/\n\n\nvar hasNativeLazyLoadSupport = typeof HTMLImageElement !== \"undefined\" && \"loading\" in HTMLImageElement.prototype;\nvar isBrowser = typeof window !== \"undefined\";\nvar hasIOSupport = isBrowser && window.IntersectionObserver;\nvar io;\nvar listeners = new WeakMap();\n\nfunction getIO() {\n if (typeof io === \"undefined\" && typeof window !== \"undefined\" && window.IntersectionObserver) {\n io = new window.IntersectionObserver(function (entries) {\n entries.forEach(function (entry) {\n if (listeners.has(entry.target)) {\n var cb = listeners.get(entry.target); // Edge doesn't currently support isIntersecting, so also test for an intersectionRatio > 0\n\n if (entry.isIntersecting || entry.intersectionRatio > 0) {\n io.unobserve(entry.target);\n listeners.delete(entry.target);\n cb();\n }\n }\n });\n }, {\n rootMargin: \"200px\"\n });\n }\n\n return io;\n}\n\nfunction generateImageSources(imageVariants) {\n return imageVariants.map(function (_ref3) {\n var src = _ref3.src,\n srcSet = _ref3.srcSet,\n srcSetWebp = _ref3.srcSetWebp,\n media = _ref3.media,\n sizes = _ref3.sizes;\n return /*#__PURE__*/_react.default.createElement(_react.default.Fragment, {\n key: src\n }, srcSetWebp && /*#__PURE__*/_react.default.createElement(\"source\", {\n type: \"image/webp\",\n media: media,\n srcSet: srcSetWebp,\n sizes: sizes\n }), srcSet && /*#__PURE__*/_react.default.createElement(\"source\", {\n media: media,\n srcSet: srcSet,\n sizes: sizes\n }));\n });\n} // Return an array ordered by elements having a media prop, does not use\n// native sort, as a stable sort is not guaranteed by all browsers/versions\n\n\nfunction groupByMedia(imageVariants) {\n var withMedia = [];\n var without = [];\n imageVariants.forEach(function (variant) {\n return (variant.media ? withMedia : without).push(variant);\n });\n\n if (without.length > 1 && process.env.NODE_ENV !== \"production\") {\n console.warn(\"We've found \" + without.length + \" sources without a media property. They might be ignored by the browser, see: https://www.gatsbyjs.org/packages/gatsby-image/#art-directing-multiple-images\");\n }\n\n return [].concat(withMedia, without);\n}\n\nfunction generateTracedSVGSources(imageVariants) {\n return imageVariants.map(function (_ref4) {\n var src = _ref4.src,\n media = _ref4.media,\n tracedSVG = _ref4.tracedSVG;\n return /*#__PURE__*/_react.default.createElement(\"source\", {\n key: src,\n media: media,\n srcSet: tracedSVG\n });\n });\n}\n\nfunction generateBase64Sources(imageVariants) {\n return imageVariants.map(function (_ref5) {\n var src = _ref5.src,\n media = _ref5.media,\n base64 = _ref5.base64;\n return /*#__PURE__*/_react.default.createElement(\"source\", {\n key: src,\n media: media,\n srcSet: base64\n });\n });\n}\n\nfunction generateNoscriptSource(_ref6, isWebp) {\n var srcSet = _ref6.srcSet,\n srcSetWebp = _ref6.srcSetWebp,\n media = _ref6.media,\n sizes = _ref6.sizes;\n var src = isWebp ? srcSetWebp : srcSet;\n var mediaAttr = media ? \"media=\\\"\" + media + \"\\\" \" : \"\";\n var typeAttr = isWebp ? \"type='image/webp' \" : \"\";\n var sizesAttr = sizes ? \"sizes=\\\"\" + sizes + \"\\\" \" : \"\";\n return \"\";\n}\n\nfunction generateNoscriptSources(imageVariants) {\n return imageVariants.map(function (variant) {\n return (variant.srcSetWebp ? generateNoscriptSource(variant, true) : \"\") + generateNoscriptSource(variant);\n }).join(\"\");\n}\n\nvar listenToIntersections = function listenToIntersections(el, cb) {\n var observer = getIO();\n\n if (observer) {\n observer.observe(el);\n listeners.set(el, cb);\n }\n\n return function () {\n observer.unobserve(el);\n listeners.delete(el);\n };\n};\n\nvar noscriptImg = function noscriptImg(props) {\n // Check if prop exists before adding each attribute to the string output below to prevent\n // HTML validation issues caused by empty values like width=\"\" and height=\"\"\n var src = props.src ? \"src=\\\"\" + props.src + \"\\\" \" : \"src=\\\"\\\" \"; // required attribute\n\n var sizes = props.sizes ? \"sizes=\\\"\" + props.sizes + \"\\\" \" : \"\";\n var srcSet = props.srcSet ? \"srcset=\\\"\" + props.srcSet + \"\\\" \" : \"\";\n var title = props.title ? \"title=\\\"\" + props.title + \"\\\" \" : \"\";\n var alt = props.alt ? \"alt=\\\"\" + props.alt + \"\\\" \" : \"alt=\\\"\\\" \"; // required attribute\n\n var width = props.width ? \"width=\\\"\" + props.width + \"\\\" \" : \"\";\n var height = props.height ? \"height=\\\"\" + props.height + \"\\\" \" : \"\";\n var crossOrigin = props.crossOrigin ? \"crossorigin=\\\"\" + props.crossOrigin + \"\\\" \" : \"\";\n var loading = props.loading ? \"loading=\\\"\" + props.loading + \"\\\" \" : \"\";\n var draggable = props.draggable ? \"draggable=\\\"\" + props.draggable + \"\\\" \" : \"\";\n var sources = generateNoscriptSources(props.imageVariants);\n return \"\" + sources + \"\";\n}; // Earlier versions of gatsby-image during the 2.x cycle did not wrap\n// the `Img` component in a `picture` element. This maintains compatibility\n// until a breaking change can be introduced in the next major release\n\n\nvar Placeholder = /*#__PURE__*/_react.default.forwardRef(function (props, ref) {\n var src = props.src,\n imageVariants = props.imageVariants,\n generateSources = props.generateSources,\n spreadProps = props.spreadProps,\n ariaHidden = props.ariaHidden;\n\n var baseImage = /*#__PURE__*/_react.default.createElement(Img, (0, _extends2.default)({\n ref: ref,\n src: src\n }, spreadProps, {\n ariaHidden: ariaHidden\n }));\n\n return imageVariants.length > 1 ? /*#__PURE__*/_react.default.createElement(\"picture\", null, generateSources(imageVariants), baseImage) : baseImage;\n});\n\nvar Img = /*#__PURE__*/_react.default.forwardRef(function (props, ref) {\n var sizes = props.sizes,\n srcSet = props.srcSet,\n src = props.src,\n style = props.style,\n onLoad = props.onLoad,\n onError = props.onError,\n loading = props.loading,\n draggable = props.draggable,\n ariaHidden = props.ariaHidden,\n otherProps = (0, _objectWithoutPropertiesLoose2.default)(props, [\"sizes\", \"srcSet\", \"src\", \"style\", \"onLoad\", \"onError\", \"loading\", \"draggable\", \"ariaHidden\"]);\n return /*#__PURE__*/_react.default.createElement(\"img\", (0, _extends2.default)({\n \"aria-hidden\": ariaHidden,\n sizes: sizes,\n srcSet: srcSet,\n src: src\n }, otherProps, {\n onLoad: onLoad,\n onError: onError,\n ref: ref,\n loading: loading,\n draggable: draggable,\n style: (0, _extends2.default)({\n position: \"absolute\",\n top: 0,\n left: 0,\n width: \"100%\",\n height: \"100%\",\n objectFit: \"cover\",\n objectPosition: \"center\"\n }, style)\n }));\n});\n\nImg.propTypes = {\n style: _propTypes.default.object,\n onError: _propTypes.default.func,\n onLoad: _propTypes.default.func\n};\n\nvar Image = /*#__PURE__*/function (_React$Component) {\n (0, _inheritsLoose2.default)(Image, _React$Component);\n\n function Image(props) {\n var _this;\n\n _this = _React$Component.call(this, props) || this; // If this image has already been loaded before then we can assume it's\n // already in the browser cache so it's cheap to just show directly.\n\n _this.seenBefore = isBrowser && inImageCache(props);\n _this.isCritical = props.loading === \"eager\" || props.critical;\n _this.addNoScript = !(_this.isCritical && !props.fadeIn);\n _this.useIOSupport = !hasNativeLazyLoadSupport && hasIOSupport && !_this.isCritical && !_this.seenBefore;\n var isVisible = _this.isCritical || isBrowser && (hasNativeLazyLoadSupport || !_this.useIOSupport);\n _this.state = {\n isVisible: isVisible,\n imgLoaded: false,\n imgCached: false,\n fadeIn: !_this.seenBefore && props.fadeIn,\n isHydrated: false\n };\n _this.imageRef = /*#__PURE__*/_react.default.createRef();\n _this.placeholderRef = props.placeholderRef || /*#__PURE__*/_react.default.createRef();\n _this.handleImageLoaded = _this.handleImageLoaded.bind((0, _assertThisInitialized2.default)(_this));\n _this.handleRef = _this.handleRef.bind((0, _assertThisInitialized2.default)(_this));\n return _this;\n }\n\n var _proto = Image.prototype;\n\n _proto.componentDidMount = function componentDidMount() {\n this.setState({\n isHydrated: isBrowser\n });\n\n if (this.state.isVisible && typeof this.props.onStartLoad === \"function\") {\n this.props.onStartLoad({\n wasCached: inImageCache(this.props)\n });\n }\n\n if (this.isCritical) {\n var img = this.imageRef.current;\n\n if (img && img.complete) {\n this.handleImageLoaded();\n }\n }\n };\n\n _proto.componentWillUnmount = function componentWillUnmount() {\n if (this.cleanUpListeners) {\n this.cleanUpListeners();\n }\n } // Specific to IntersectionObserver based lazy-load support\n ;\n\n _proto.handleRef = function handleRef(ref) {\n var _this2 = this;\n\n if (this.useIOSupport && ref) {\n this.cleanUpListeners = listenToIntersections(ref, function () {\n var imageInCache = inImageCache(_this2.props);\n\n if (!_this2.state.isVisible && typeof _this2.props.onStartLoad === \"function\") {\n _this2.props.onStartLoad({\n wasCached: imageInCache\n });\n } // imgCached and imgLoaded must update after isVisible,\n // Once isVisible is true, imageRef becomes accessible, which imgCached needs access to.\n // imgLoaded and imgCached are in a 2nd setState call to be changed together,\n // avoiding initiating unnecessary animation frames from style changes.\n\n\n _this2.setState({\n isVisible: true\n }, function () {\n _this2.setState({\n imgLoaded: imageInCache,\n // `currentSrc` should be a string, but can be `undefined` in IE,\n // !! operator validates the value is not undefined/null/\"\"\n // for lazyloaded components this might be null\n // TODO fix imgCached behaviour as it's now false when it's lazyloaded\n imgCached: !!(_this2.imageRef.current && _this2.imageRef.current.currentSrc)\n });\n });\n });\n }\n };\n\n _proto.handleImageLoaded = function handleImageLoaded() {\n activateCacheForImage(this.props);\n this.setState({\n imgLoaded: true\n });\n\n if (this.props.onLoad) {\n this.props.onLoad();\n }\n };\n\n _proto.render = function render() {\n var _convertProps = convertProps(this.props),\n title = _convertProps.title,\n alt = _convertProps.alt,\n className = _convertProps.className,\n _convertProps$style = _convertProps.style,\n style = _convertProps$style === void 0 ? {} : _convertProps$style,\n _convertProps$imgStyl = _convertProps.imgStyle,\n imgStyle = _convertProps$imgStyl === void 0 ? {} : _convertProps$imgStyl,\n _convertProps$placeho = _convertProps.placeholderStyle,\n placeholderStyle = _convertProps$placeho === void 0 ? {} : _convertProps$placeho,\n placeholderClassName = _convertProps.placeholderClassName,\n fluid = _convertProps.fluid,\n fixed = _convertProps.fixed,\n backgroundColor = _convertProps.backgroundColor,\n durationFadeIn = _convertProps.durationFadeIn,\n Tag = _convertProps.Tag,\n itemProp = _convertProps.itemProp,\n loading = _convertProps.loading,\n draggable = _convertProps.draggable;\n\n var imageVariants = fluid || fixed; // Abort early if missing image data (#25371)\n\n if (!imageVariants) {\n return null;\n }\n\n var shouldReveal = this.state.fadeIn === false || this.state.imgLoaded;\n var shouldFadeIn = this.state.fadeIn === true && !this.state.imgCached;\n var imageStyle = (0, _extends2.default)({\n opacity: shouldReveal ? 1 : 0,\n transition: shouldFadeIn ? \"opacity \" + durationFadeIn + \"ms\" : \"none\"\n }, imgStyle);\n var bgColor = typeof backgroundColor === \"boolean\" ? \"lightgray\" : backgroundColor;\n var delayHideStyle = {\n transitionDelay: durationFadeIn + \"ms\"\n };\n var imagePlaceholderStyle = (0, _extends2.default)({\n opacity: this.state.imgLoaded ? 0 : 1\n }, shouldFadeIn && delayHideStyle, imgStyle, placeholderStyle);\n var placeholderImageProps = {\n title: title,\n alt: !this.state.isVisible ? alt : \"\",\n style: imagePlaceholderStyle,\n className: placeholderClassName,\n itemProp: itemProp\n }; // Initial client render state needs to match SSR until hydration finishes.\n // Once hydration completes, render again to update to the correct image.\n // `imageVariants` is always an Array type at this point due to `convertProps()`\n\n var image = !this.state.isHydrated ? imageVariants[0] : getCurrentSrcData(imageVariants);\n\n if (fluid) {\n return /*#__PURE__*/_react.default.createElement(Tag, {\n className: (className ? className : \"\") + \" gatsby-image-wrapper\",\n style: (0, _extends2.default)({\n position: \"relative\",\n overflow: \"hidden\",\n maxWidth: image.maxWidth ? image.maxWidth + \"px\" : null,\n maxHeight: image.maxHeight ? image.maxHeight + \"px\" : null\n }, style),\n ref: this.handleRef,\n key: \"fluid-\" + JSON.stringify(image.srcSet)\n }, /*#__PURE__*/_react.default.createElement(Tag, {\n \"aria-hidden\": true,\n style: {\n width: \"100%\",\n paddingBottom: 100 / image.aspectRatio + \"%\"\n }\n }), bgColor && /*#__PURE__*/_react.default.createElement(Tag, {\n \"aria-hidden\": true,\n title: title,\n style: (0, _extends2.default)({\n backgroundColor: bgColor,\n position: \"absolute\",\n top: 0,\n bottom: 0,\n opacity: !this.state.imgLoaded ? 1 : 0,\n right: 0,\n left: 0\n }, shouldFadeIn && delayHideStyle)\n }), image.base64 && /*#__PURE__*/_react.default.createElement(Placeholder, {\n ariaHidden: true,\n ref: this.placeholderRef,\n src: image.base64,\n spreadProps: placeholderImageProps,\n imageVariants: imageVariants,\n generateSources: generateBase64Sources\n }), image.tracedSVG && /*#__PURE__*/_react.default.createElement(Placeholder, {\n ariaHidden: true,\n ref: this.placeholderRef,\n src: image.tracedSVG,\n spreadProps: placeholderImageProps,\n imageVariants: imageVariants,\n generateSources: generateTracedSVGSources\n }), this.state.isVisible && /*#__PURE__*/_react.default.createElement(\"picture\", null, generateImageSources(imageVariants), /*#__PURE__*/_react.default.createElement(Img, {\n alt: alt,\n title: title,\n sizes: image.sizes,\n src: image.src,\n crossOrigin: this.props.crossOrigin,\n srcSet: image.srcSet,\n style: imageStyle,\n ref: this.imageRef,\n onLoad: this.handleImageLoaded,\n onError: this.props.onError,\n itemProp: itemProp,\n loading: loading,\n draggable: draggable\n })), this.addNoScript && /*#__PURE__*/_react.default.createElement(\"noscript\", {\n dangerouslySetInnerHTML: {\n __html: noscriptImg((0, _extends2.default)({\n alt: alt,\n title: title,\n loading: loading\n }, image, {\n imageVariants: imageVariants\n }))\n }\n }));\n }\n\n if (fixed) {\n var divStyle = (0, _extends2.default)({\n position: \"relative\",\n overflow: \"hidden\",\n display: \"inline-block\",\n width: image.width,\n height: image.height\n }, style);\n\n if (style.display === \"inherit\") {\n delete divStyle.display;\n }\n\n return /*#__PURE__*/_react.default.createElement(Tag, {\n className: (className ? className : \"\") + \" gatsby-image-wrapper\",\n style: divStyle,\n ref: this.handleRef,\n key: \"fixed-\" + JSON.stringify(image.srcSet)\n }, bgColor && /*#__PURE__*/_react.default.createElement(Tag, {\n \"aria-hidden\": true,\n title: title,\n style: (0, _extends2.default)({\n backgroundColor: bgColor,\n width: image.width,\n opacity: !this.state.imgLoaded ? 1 : 0,\n height: image.height\n }, shouldFadeIn && delayHideStyle)\n }), image.base64 && /*#__PURE__*/_react.default.createElement(Placeholder, {\n ariaHidden: true,\n ref: this.placeholderRef,\n src: image.base64,\n spreadProps: placeholderImageProps,\n imageVariants: imageVariants,\n generateSources: generateBase64Sources\n }), image.tracedSVG && /*#__PURE__*/_react.default.createElement(Placeholder, {\n ariaHidden: true,\n ref: this.placeholderRef,\n src: image.tracedSVG,\n spreadProps: placeholderImageProps,\n imageVariants: imageVariants,\n generateSources: generateTracedSVGSources\n }), this.state.isVisible && /*#__PURE__*/_react.default.createElement(\"picture\", null, generateImageSources(imageVariants), /*#__PURE__*/_react.default.createElement(Img, {\n alt: alt,\n title: title,\n width: image.width,\n height: image.height,\n sizes: image.sizes,\n src: image.src,\n crossOrigin: this.props.crossOrigin,\n srcSet: image.srcSet,\n style: imageStyle,\n ref: this.imageRef,\n onLoad: this.handleImageLoaded,\n onError: this.props.onError,\n itemProp: itemProp,\n loading: loading,\n draggable: draggable\n })), this.addNoScript && /*#__PURE__*/_react.default.createElement(\"noscript\", {\n dangerouslySetInnerHTML: {\n __html: noscriptImg((0, _extends2.default)({\n alt: alt,\n title: title,\n loading: loading\n }, image, {\n imageVariants: imageVariants\n }))\n }\n }));\n }\n\n return null;\n };\n\n return Image;\n}(_react.default.Component);\n\nImage.defaultProps = {\n fadeIn: true,\n durationFadeIn: 500,\n alt: \"\",\n Tag: \"div\",\n // We set it to `lazy` by default because it's best to default to a performant\n // setting and let the user \"opt out\" to `eager`\n loading: \"lazy\"\n};\n\nvar fixedObject = _propTypes.default.shape({\n width: _propTypes.default.number.isRequired,\n height: _propTypes.default.number.isRequired,\n src: _propTypes.default.string.isRequired,\n srcSet: _propTypes.default.string.isRequired,\n base64: _propTypes.default.string,\n tracedSVG: _propTypes.default.string,\n srcWebp: _propTypes.default.string,\n srcSetWebp: _propTypes.default.string,\n media: _propTypes.default.string\n});\n\nvar fluidObject = _propTypes.default.shape({\n aspectRatio: _propTypes.default.number.isRequired,\n src: _propTypes.default.string.isRequired,\n srcSet: _propTypes.default.string.isRequired,\n sizes: _propTypes.default.string.isRequired,\n base64: _propTypes.default.string,\n tracedSVG: _propTypes.default.string,\n srcWebp: _propTypes.default.string,\n srcSetWebp: _propTypes.default.string,\n media: _propTypes.default.string,\n maxWidth: _propTypes.default.number,\n maxHeight: _propTypes.default.number\n});\n\nfunction requireFixedOrFluid(originalPropTypes) {\n return function (props, propName, componentName) {\n var _PropTypes$checkPropT;\n\n if (!props.fixed && !props.fluid) {\n throw new Error(\"The prop `fluid` or `fixed` is marked as required in `\" + componentName + \"`, but their values are both `undefined`.\");\n }\n\n _propTypes.default.checkPropTypes((_PropTypes$checkPropT = {}, _PropTypes$checkPropT[propName] = originalPropTypes, _PropTypes$checkPropT), props, \"prop\", componentName);\n };\n} // If you modify these propTypes, please don't forget to update following files as well:\n// https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-image/index.d.ts\n// https://github.com/gatsbyjs/gatsby/blob/master/packages/gatsby-image/README.md#gatsby-image-props\n// https://github.com/gatsbyjs/gatsby/blob/master/docs/docs/gatsby-image.md#gatsby-image-props\n\n\nImage.propTypes = {\n resolutions: fixedObject,\n sizes: fluidObject,\n fixed: requireFixedOrFluid(_propTypes.default.oneOfType([fixedObject, _propTypes.default.arrayOf(fixedObject)])),\n fluid: requireFixedOrFluid(_propTypes.default.oneOfType([fluidObject, _propTypes.default.arrayOf(fluidObject)])),\n fadeIn: _propTypes.default.bool,\n durationFadeIn: _propTypes.default.number,\n title: _propTypes.default.string,\n alt: _propTypes.default.string,\n className: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.object]),\n // Support Glamor's css prop.\n critical: _propTypes.default.bool,\n crossOrigin: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.bool]),\n style: _propTypes.default.object,\n imgStyle: _propTypes.default.object,\n placeholderStyle: _propTypes.default.object,\n placeholderClassName: _propTypes.default.string,\n backgroundColor: _propTypes.default.oneOfType([_propTypes.default.string, _propTypes.default.bool]),\n onLoad: _propTypes.default.func,\n onError: _propTypes.default.func,\n onStartLoad: _propTypes.default.func,\n Tag: _propTypes.default.string,\n itemProp: _propTypes.default.string,\n loading: _propTypes.default.oneOf([\"auto\", \"lazy\", \"eager\"]),\n draggable: _propTypes.default.bool\n};\nvar _default = Image;\nexports.default = _default;","import * as PropTypes from \"prop-types\";\nimport React from \"react\";\n\nconst PageHeading = props => \n {props.heading}\n;\n\nPageHeading.propTypes = {\n heading: PropTypes.string,\n className: PropTypes.string\n};\n\nexport default PageHeading;\n"],"sourceRoot":""}