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2-aca20c8975b42b147f41.js.map
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strict\";\n\nvar _interopRequireDefault = require(\"@babel/runtime/helpers/interopRequireDefault\");\n\nexports.__esModule = true;\nexports.default = void 0;\n\nvar _inheritsLoose2 = _interopRequireDefault(require(\"@babel/runtime/helpers/inheritsLoose\"));\n\nvar _assertThisInitialized2 = _interopRequireDefault(require(\"@babel/runtime/helpers/assertThisInitialized\"));\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 delete convertedProps.resolutions;\n }\n\n if (sizes) {\n convertedProps.fluid = sizes;\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 * 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}[], fixed: {src: string}[]}} args\n * @return {string}\n */\n\n\nvar getImageSrcKey = function getImageSrcKey(_ref) {\n var fluid = _ref.fluid,\n fixed = _ref.fixed;\n var data = fluid && fluid[0] || fixed && fixed[0];\n return data.src;\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); // Find src\n\n var src = getImageSrcKey(convertedProps);\n return imageCache[src] || false;\n};\n\nvar activateCacheForImage = function activateCacheForImage(props) {\n var convertedProps = convertProps(props); // Find src\n\n var src = getImageSrcKey(convertedProps);\n imageCache[src] = true;\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 (_ref2) {\n var src = _ref2.src,\n srcSet = _ref2.srcSet,\n srcSetWebp = _ref2.srcSetWebp,\n media = _ref2.media,\n sizes = _ref2.sizes;\n return _react.default.createElement(_react.default.Fragment, {\n key: src\n }, srcSetWebp && _react.default.createElement(\"source\", {\n type: \"image/webp\",\n media: media,\n srcSet: srcSetWebp,\n sizes: sizes\n }), _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 withMedia.concat(without);\n}\n\nfunction generateTracedSVGSources(imageVariants) {\n return imageVariants.map(function (_ref3) {\n var src = _ref3.src,\n media = _ref3.media,\n tracedSVG = _ref3.tracedSVG;\n return _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 (_ref4) {\n var src = _ref4.src,\n media = _ref4.media,\n base64 = _ref4.base64;\n return _react.default.createElement(\"source\", {\n key: src,\n media: media,\n srcSet: base64\n });\n });\n}\n\nfunction generateNoscriptSource(_ref5, isWebp) {\n var srcSet = _ref5.srcSet,\n srcSetWebp = _ref5.srcSetWebp,\n media = _ref5.media,\n sizes = _ref5.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 \"<source \" + typeAttr + mediaAttr + \"srcset=\\\"\" + src + \"\\\" \" + sizesAttr + \"/>\";\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 \"<picture>\" + sources + \"<img \" + loading + width + height + sizes + srcSet + src + alt + title + crossOrigin + draggable + \"style=\\\"position:absolute;top:0;left:0;opacity:1;width:100%;height:100%;object-fit:cover;object-position:center\\\"/></picture>\";\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 = function Placeholder(_ref6) {\n var src = _ref6.src,\n imageVariants = _ref6.imageVariants,\n generateSources = _ref6.generateSources,\n spreadProps = _ref6.spreadProps;\n\n var baseImage = _react.default.createElement(Img, (0, _extends2.default)({\n src: src\n }, spreadProps));\n\n return imageVariants.length > 1 ? _react.default.createElement(\"picture\", null, generateSources(imageVariants), baseImage) : baseImage;\n};\n\nvar Img = _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 otherProps = (0, _objectWithoutPropertiesLoose2.default)(props, [\"sizes\", \"srcSet\", \"src\", \"style\", \"onLoad\", \"onError\", \"loading\", \"draggable\"]);\n return _react.default.createElement(\"img\", (0, _extends2.default)({\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 =\n/*#__PURE__*/\nfunction (_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.addNoScript = !(props.critical && !props.fadeIn);\n _this.useIOSupport = !hasNativeLazyLoadSupport && hasIOSupport && !props.critical && !_this.seenBefore;\n var isVisible = props.critical || isBrowser && (hasNativeLazyLoadSupport || !_this.useIOSupport);\n _this.state = {\n isVisible: isVisible,\n imgLoaded: false,\n imgCached: false,\n fadeIn: !_this.seenBefore && props.fadeIn\n };\n _this.imageRef = _react.default.createRef();\n _this.handleImageLoaded = _this.handleImageLoaded.bind((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)));\n _this.handleRef = _this.handleRef.bind((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)));\n return _this;\n }\n\n var _proto = Image.prototype;\n\n _proto.componentDidMount = function componentDidMount() {\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.props.critical) {\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 return _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 imgCached: !!_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 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 };\n\n if (fluid) {\n var imageVariants = fluid;\n var image = imageVariants[0];\n return _react.default.createElement(Tag, {\n className: (className ? className : \"\") + \" gatsby-image-wrapper\",\n style: (0, _extends2.default)({\n position: \"relative\",\n overflow: \"hidden\"\n }, style),\n ref: this.handleRef,\n key: \"fluid-\" + JSON.stringify(image.srcSet)\n }, _react.default.createElement(Tag, {\n style: {\n width: \"100%\",\n paddingBottom: 100 / image.aspectRatio + \"%\"\n }\n }), bgColor && _react.default.createElement(Tag, {\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 && _react.default.createElement(Placeholder, {\n src: image.base64,\n spreadProps: placeholderImageProps,\n imageVariants: imageVariants,\n generateSources: generateBase64Sources\n }), image.tracedSVG && _react.default.createElement(Placeholder, {\n src: image.tracedSVG,\n spreadProps: placeholderImageProps,\n imageVariants: imageVariants,\n generateSources: generateTracedSVGSources\n }), this.state.isVisible && _react.default.createElement(\"picture\", null, generateImageSources(imageVariants), _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 && _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 _imageVariants = fixed;\n var _image = _imageVariants[0];\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 _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 && _react.default.createElement(Tag, {\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 && _react.default.createElement(Placeholder, {\n src: _image.base64,\n spreadProps: placeholderImageProps,\n imageVariants: _imageVariants,\n generateSources: generateBase64Sources\n }), _image.tracedSVG && _react.default.createElement(Placeholder, {\n src: _image.tracedSVG,\n spreadProps: placeholderImageProps,\n imageVariants: _imageVariants,\n generateSources: generateTracedSVGSources\n }), this.state.isVisible && _react.default.createElement(\"picture\", null, generateImageSources(_imageVariants), _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 && _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});\n\nImage.propTypes = {\n resolutions: fixedObject,\n sizes: fluidObject,\n fixed: _propTypes.default.oneOfType([fixedObject, _propTypes.default.arrayOf(fixedObject)]),\n fluid: _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;","'use strict';\n// B.2.3.6 String.prototype.fixed()\nrequire('./_string-html')('fixed', function (createHTML) {\n return function fixed() {\n return createHTML(this, 'tt', '', '');\n };\n});\n","var $export = require('./_export');\nvar fails = require('./_fails');\nvar defined = require('./_defined');\nvar quot = /\"/g;\n// B.2.3.2.1 CreateHTML(string, tag, attribute, value)\nvar createHTML = function (string, tag, attribute, value) {\n var S = String(defined(string));\n var p1 = '<' + tag;\n if (attribute !== '') p1 += ' ' + attribute + '=\"' + String(value).replace(quot, '"') + '\"';\n return p1 + '>' + S + '</' + tag + '>';\n};\nmodule.exports = function (NAME, exec) {\n var O = {};\n O[NAME] = exec(createHTML);\n $export($export.P + $export.F * fails(function () {\n var test = ''[NAME]('\"');\n return test !== test.toLowerCase() || test.split('\"').length > 3;\n }), 'String', O);\n};\n","'use strict';\n\nrequire(\"core-js/modules/es6.regexp.replace\");\n\nrequire(\"core-js/modules/es6.object.set-prototype-of\");\n\nrequire(\"core-js/modules/es6.object.assign\");\n\nrequire(\"core-js/modules/es7.symbol.async-iterator\");\n\nrequire(\"core-js/modules/es6.symbol\");\n\nrequire(\"core-js/modules/web.dom.iterable\");\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () {\n function sliceIterator(arr, i) {\n var _arr = [];\n var _n = true;\n var _d = false;\n var _e = undefined;\n\n try {\n for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n _arr.push(_s.value);\n\n if (i && _arr.length === i) break;\n }\n } catch (err) {\n _d = true;\n _e = err;\n } finally {\n try {\n if (!_n && _i[\"return\"]) _i[\"return\"]();\n } finally {\n if (_d) throw _e;\n }\n }\n\n return _arr;\n }\n\n return function (arr, i) {\n if (Array.isArray(arr)) {\n return arr;\n } else if (Symbol.iterator in Object(arr)) {\n return sliceIterator(arr, i);\n } else {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n }\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 _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 _helpers = require('./helpers');\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 Scrollchor = function (_React$Component) {\n _inherits(Scrollchor, _React$Component);\n\n function Scrollchor(props) {\n _classCallCheck(this, Scrollchor);\n\n var _this = _possibleConstructorReturn(this, (Scrollchor.__proto__ || Object.getPrototypeOf(Scrollchor)).call(this, props));\n\n _this._handleClick = function (event) {\n _this.state.beforeAnimate(event);\n\n event && event.preventDefault();\n (0, _helpers.animateScroll)(_this.state.to, _this.state.target, _this.state.animate).then(function (id) {\n if (id) {\n _this.state.disableHistory || (0, _helpers.updateHistory)(id);\n\n _this.state.afterAnimate(event);\n }\n });\n };\n\n _this.state = Scrollchor._stateHelper(props);\n _this.simulateClick = _this._handleClick;\n return _this;\n }\n\n _createClass(Scrollchor, [{\n key: 'componentWillReceiveProps',\n value: function componentWillReceiveProps(props) {\n this.setState(Scrollchor._stateHelper(props));\n }\n }, {\n key: 'render',\n value: function render() {\n var _props = this.props,\n to = _props.to,\n target = _props.target,\n animate = _props.animate,\n beforeAnimate = _props.beforeAnimate,\n afterAnimate = _props.afterAnimate,\n disableHistory = _props.disableHistory,\n props = _objectWithoutProperties(_props, ['to', 'target', 'animate', 'beforeAnimate', 'afterAnimate', 'disableHistory']); // eslint-disable-line no-unused-vars\n\n\n return !this.props.children ? null : _react2.default.createElement('a', _extends({}, props, {\n href: '#' + this.state.to,\n onClick: this._handleClick\n }));\n }\n }], [{\n key: '_normalizeId',\n value: function _normalizeId(id) {\n return id && id.replace(/^#/, '') || '';\n }\n }, {\n key: '_stateHelper',\n value: function _stateHelper(props) {\n var _ref = props.animate || {},\n _ref$offset = _ref.offset,\n offset = _ref$offset === undefined ? 0 : _ref$offset,\n _ref$duration = _ref.duration,\n duration = _ref$duration === undefined ? 400 : _ref$duration,\n _ref$easing = _ref.easing,\n easing = _ref$easing === undefined ? easeOutQuad : _ref$easing;\n\n return {\n to: Scrollchor._normalizeId(props.to),\n target: Scrollchor._normalizeId(props.target),\n animate: {\n offset: offset,\n duration: duration,\n easing: easing\n },\n beforeAnimate: props.beforeAnimate || function () {},\n afterAnimate: props.afterAnimate || function () {},\n disableHistory: props.disableHistory\n };\n }\n }, {\n key: 'getDerivedStateFromProps',\n value: function getDerivedStateFromProps(props) {\n return Scrollchor._stateHelper(props);\n }\n }]);\n\n return Scrollchor;\n}(_react2.default.Component); // Default easing function\n// jQuery easing 'swing'\n\n\nScrollchor.propTypes = {\n to: _propTypes2.default.string.isRequired,\n target: _propTypes2.default.string,\n animate: _propTypes2.default.shape({\n offset: _propTypes2.default.number,\n duration: _propTypes2.default.number,\n easing: _propTypes2.default.func\n }),\n beforeAnimate: _propTypes2.default.func,\n afterAnimate: _propTypes2.default.func,\n disableHistory: _propTypes2.default.bool,\n children: _propTypes2.default.node\n};\nexports.default = Scrollchor;\n\nfunction easeOutQuad(x, t, b, c, d) {\n return -c * (t /= d) * (t - 2) + b;\n} // Setup for React version 16.3.x and beyond\n\n\nvar reSemver = /^v?((\\d+)\\.(\\d+)\\.(\\d+))(?:-([\\dA-Za-z\\-]+(?:\\.[\\dA-Za-z\\-]+)*))?(?:\\+([\\dA-Za-z\\-]+(?:\\.[\\dA-Za-z\\-]+)*))?$/; // eslint-disable-line no-useless-escape\n\nvar _reSemver$exec = reSemver.exec(_react2.default.version),\n _reSemver$exec2 = _slicedToArray(_reSemver$exec, 4),\n major = _reSemver$exec2[2],\n minor = _reSemver$exec2[3];\n\nmajor >= 16 && minor >= 3 && delete Scrollchor.prototype.componentWillReceiveProps;","'use strict';\n\nrequire(\"core-js/modules/es6.promise\");\n\nrequire(\"core-js/modules/es6.object.to-string\");\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.animateScroll = undefined;\nexports.updateHistory = updateHistory;\n\nvar _requestanimationframeTimer = require('requestanimationframe-timer');\n\nvar animateScroll = exports.animateScroll = function () {\n var timeoutId = void 0;\n var resolvePrevious = void 0;\n return function animateScroll(id, targetId, animate) {\n var targetElement = document.getElementById(targetId);\n\n function getScrollTop() {\n // like jQuery -> $('html, body').scrollTop\n return targetElement ? targetElement.scrollTop : document.documentElement.scrollTop || document.body.scrollTop;\n }\n\n function setScrollTop(position) {\n if (targetElement) {\n targetElement.scrollTop = position;\n } else {\n document.documentElement.scrollTop = document.body.scrollTop = position;\n }\n }\n\n return new Promise(function (resolve, reject) {\n var element = id ? document.getElementById(id) : document.body;\n\n if (!element) {\n return reject(new Error('Cannot find element: #' + id));\n }\n\n function getOffsetTop() {\n var parentOffsetTop = targetElement ? targetElement.getBoundingClientRect().top : 0;\n return element.getBoundingClientRect().top - parentOffsetTop + getScrollTop();\n }\n\n var offset = animate.offset,\n duration = animate.duration,\n easing = animate.easing;\n var start = getScrollTop();\n var to = getOffsetTop(element) + offset;\n var change = to - start;\n\n function animateFn() {\n var elapsedTime = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n var increment = 20;\n var elapsed = elapsedTime + increment;\n var position = easing(null, elapsed, start, change, duration);\n setScrollTop(position);\n\n if (elapsed < duration) {\n timeoutId = (0, _requestanimationframeTimer.setTimeout)(function () {\n animateFn(elapsed);\n }, increment);\n } else {\n timeoutId = undefined;\n return resolve(id);\n }\n }\n\n if (timeoutId) {\n (0, _requestanimationframeTimer.clearTimeout)(timeoutId);\n resolvePrevious();\n }\n\n resolvePrevious = resolve;\n animateFn();\n });\n };\n}();\n\nfunction updateHistory(id) {\n id = '#' + id;\n\n if (history.pushState) {\n history.pushState(null, null, id);\n } else {\n location.hash = id;\n }\n}"],"sourceRoot":""}