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extracted by mini-css-extract-plugin\nmodule.exports = {\"post\":\"post-module--post--28Mq2\",\"title\":\"post-module--title--3XBo2\",\"coverImage\":\"post-module--coverImage--1GM7V\",\"meta\":\"post-module--meta--3YtjE\",\"tags\":\"post-module--tags--3RbqF\",\"tag\":\"post-module--tag--16U9p\",\"series\":\"post-module--series--3YUjN\",\"seriesItem\":\"post-module--series-item--mOT0Y\",\"seriesItemBold\":\"post-module--series-item-bold--2Vyvw\",\"readMore\":\"post-module--readMore--3zWML\",\"postContent\":\"post-module--postContent--1bfnt\"};","import React from 'react'\nimport PropTypes from 'prop-types'\nimport { Link } from 'gatsby'\n\nimport style from '../styles/navigation.module.css'\n\nconst Navigation = ({ nextPath, previousPath, nextLabel, previousLabel }) =>\n  previousPath || nextPath ? (\n    <div className={style.navigation}>\n      {previousPath && (\n        <span className={style.button}>\n          <Link to={previousPath}>\n            <span className={style.iconPrev}>←</span>\n            <span className={style.buttonText}>{previousLabel}</span>\n          </Link>\n        </span>\n      )}\n      {nextPath && (\n        <span className={style.button}>\n          <Link to={nextPath}>\n            <span className={style.buttonText}>{nextLabel}</span>\n            <span className={style.iconNext}>→</span>\n          </Link>\n        </span>\n      )}\n    </div>\n  ) : null\n\nNavigation.propTypes = {\n  nextPath: PropTypes.string,\n  previousPath: PropTypes.string,\n  nextLabel: PropTypes.string,\n  previousLabel: PropTypes.string,\n}\n\nexport default Navigation\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 \"<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 = /*#__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;","var DESCRIPTORS = require('../internals/descriptors');\nvar global = require('../internals/global');\nvar isForced = require('../internals/is-forced');\nvar inheritIfRequired = require('../internals/inherit-if-required');\nvar defineProperty = require('../internals/object-define-property').f;\nvar getOwnPropertyNames = require('../internals/object-get-own-property-names').f;\nvar isRegExp = require('../internals/is-regexp');\nvar getFlags = require('../internals/regexp-flags');\nvar stickyHelpers = require('../internals/regexp-sticky-helpers');\nvar redefine = require('../internals/redefine');\nvar fails = require('../internals/fails');\nvar setInternalState = require('../internals/internal-state').set;\nvar setSpecies = require('../internals/set-species');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar MATCH = wellKnownSymbol('match');\nvar NativeRegExp = global.RegExp;\nvar RegExpPrototype = NativeRegExp.prototype;\nvar re1 = /a/g;\nvar re2 = /a/g;\n\n// \"new\" should create a new object, old webkit bug\nvar CORRECT_NEW = new NativeRegExp(re1) !== re1;\n\nvar UNSUPPORTED_Y = stickyHelpers.UNSUPPORTED_Y;\n\nvar FORCED = DESCRIPTORS && isForced('RegExp', (!CORRECT_NEW || UNSUPPORTED_Y || fails(function () {\n  re2[MATCH] = false;\n  // RegExp constructor can alter flags and IsRegExp works correct with @@match\n  return NativeRegExp(re1) != re1 || NativeRegExp(re2) == re2 || NativeRegExp(re1, 'i') != '/a/i';\n})));\n\n// `RegExp` constructor\n// https://tc39.github.io/ecma262/#sec-regexp-constructor\nif (FORCED) {\n  var RegExpWrapper = function RegExp(pattern, flags) {\n    var thisIsRegExp = this instanceof RegExpWrapper;\n    var patternIsRegExp = isRegExp(pattern);\n    var flagsAreUndefined = flags === undefined;\n    var sticky;\n\n    if (!thisIsRegExp && patternIsRegExp && pattern.constructor === RegExpWrapper && flagsAreUndefined) {\n      return pattern;\n    }\n\n    if (CORRECT_NEW) {\n      if (patternIsRegExp && !flagsAreUndefined) pattern = pattern.source;\n    } else if (pattern instanceof RegExpWrapper) {\n      if (flagsAreUndefined) flags = getFlags.call(pattern);\n      pattern = pattern.source;\n    }\n\n    if (UNSUPPORTED_Y) {\n      sticky = !!flags && flags.indexOf('y') > -1;\n      if (sticky) flags = flags.replace(/y/g, '');\n    }\n\n    var result = inheritIfRequired(\n      CORRECT_NEW ? new NativeRegExp(pattern, flags) : NativeRegExp(pattern, flags),\n      thisIsRegExp ? this : RegExpPrototype,\n      RegExpWrapper\n    );\n\n    if (UNSUPPORTED_Y && sticky) setInternalState(result, { sticky: sticky });\n\n    return result;\n  };\n  var proxy = function (key) {\n    key in RegExpWrapper || defineProperty(RegExpWrapper, key, {\n      configurable: true,\n      get: function () { return NativeRegExp[key]; },\n      set: function (it) { NativeRegExp[key] = it; }\n    });\n  };\n  var keys = getOwnPropertyNames(NativeRegExp);\n  var index = 0;\n  while (keys.length > index) proxy(keys[index++]);\n  RegExpPrototype.constructor = RegExpWrapper;\n  RegExpWrapper.prototype = RegExpPrototype;\n  redefine(global, 'RegExp', RegExpWrapper);\n}\n\n// https://tc39.github.io/ecma262/#sec-get-regexp-@@species\nsetSpecies('RegExp');\n","'use strict';\nvar fixRegExpWellKnownSymbolLogic = require('../internals/fix-regexp-well-known-symbol-logic');\nvar anObject = require('../internals/an-object');\nvar toObject = require('../internals/to-object');\nvar toLength = require('../internals/to-length');\nvar toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\nvar advanceStringIndex = require('../internals/advance-string-index');\nvar regExpExec = require('../internals/regexp-exec-abstract');\n\nvar max = Math.max;\nvar min = Math.min;\nvar floor = Math.floor;\nvar SUBSTITUTION_SYMBOLS = /\\$([$&'`]|\\d\\d?|<[^>]*>)/g;\nvar SUBSTITUTION_SYMBOLS_NO_NAMED = /\\$([$&'`]|\\d\\d?)/g;\n\nvar maybeToString = function (it) {\n  return it === undefined ? it : String(it);\n};\n\n// @@replace logic\nfixRegExpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {\n  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;\n  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;\n  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';\n\n  return [\n    // `String.prototype.replace` method\n    // https://tc39.github.io/ecma262/#sec-string.prototype.replace\n    function replace(searchValue, replaceValue) {\n      var O = requireObjectCoercible(this);\n      var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];\n      return replacer !== undefined\n        ? replacer.call(searchValue, O, replaceValue)\n        : nativeReplace.call(String(O), searchValue, replaceValue);\n    },\n    // `RegExp.prototype[@@replace]` method\n    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace\n    function (regexp, replaceValue) {\n      if (\n        (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0) ||\n        (typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1)\n      ) {\n        var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);\n        if (res.done) return res.value;\n      }\n\n      var rx = anObject(regexp);\n      var S = String(this);\n\n      var functionalReplace = typeof replaceValue === 'function';\n      if (!functionalReplace) replaceValue = String(replaceValue);\n\n      var global = rx.global;\n      if (global) {\n        var fullUnicode = rx.unicode;\n        rx.lastIndex = 0;\n      }\n      var results = [];\n      while (true) {\n        var result = regExpExec(rx, S);\n        if (result === null) break;\n\n        results.push(result);\n        if (!global) break;\n\n        var matchStr = String(result[0]);\n        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);\n      }\n\n      var accumulatedResult = '';\n      var nextSourcePosition = 0;\n      for (var i = 0; i < results.length; i++) {\n        result = results[i];\n\n        var matched = String(result[0]);\n        var position = max(min(toInteger(result.index), S.length), 0);\n        var captures = [];\n        // NOTE: This is equivalent to\n        //   captures = result.slice(1).map(maybeToString)\n        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in\n        // the slice polyfill when slicing native arrays) \"doesn't work\" in safari 9 and\n        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.\n        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));\n        var namedCaptures = result.groups;\n        if (functionalReplace) {\n          var replacerArgs = [matched].concat(captures, position, S);\n          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);\n          var replacement = String(replaceValue.apply(undefined, replacerArgs));\n        } else {\n          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);\n        }\n        if (position >= nextSourcePosition) {\n          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;\n          nextSourcePosition = position + matched.length;\n        }\n      }\n      return accumulatedResult + S.slice(nextSourcePosition);\n    }\n  ];\n\n  // https://tc39.github.io/ecma262/#sec-getsubstitution\n  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {\n    var tailPos = position + matched.length;\n    var m = captures.length;\n    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;\n    if (namedCaptures !== undefined) {\n      namedCaptures = toObject(namedCaptures);\n      symbols = SUBSTITUTION_SYMBOLS;\n    }\n    return nativeReplace.call(replacement, symbols, function (match, ch) {\n      var capture;\n      switch (ch.charAt(0)) {\n        case '$': return '$';\n        case '&': return matched;\n        case '`': return str.slice(0, position);\n        case \"'\": return str.slice(tailPos);\n        case '<':\n          capture = namedCaptures[ch.slice(1, -1)];\n          break;\n        default: // \\d\\d?\n          var n = +ch;\n          if (n === 0) return match;\n          if (n > m) {\n            var f = floor(n / 10);\n            if (f === 0) return match;\n            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);\n            return match;\n          }\n          capture = captures[n - 1];\n      }\n      return capture === undefined ? '' : capture;\n    });\n  }\n});\n","import React from \"react\";\nimport PropTypes from \"prop-types\";\nimport { Link } from \"gatsby\";\nimport Img from \"gatsby-image\";\nimport Navigation from \"./navigation\";\nimport { toKebabCase } from \"../helpers\";\n\nimport style from \"../styles/post.module.css\";\n\nconst Post = ({\n  title,\n  date,\n  path,\n  coverImage,\n  author,\n  excerpt,\n  tags,\n  series,\n  html,\n  previousPost,\n  nextPost,\n}) => {\n  const previousPath = previousPost && previousPost.frontmatter.path;\n  const previousLabel = previousPost && previousPost.frontmatter.title;\n  const nextPath = nextPost && nextPost.frontmatter.path;\n  const nextLabel = nextPost && nextPost.frontmatter.title;\n\n  return (\n    <div className={style.post}>\n      <div className={style.postContent}>\n        <h1 className={style.title}>\n          {excerpt ? <Link to={path}>{title}</Link> : title}\n        </h1>\n        <div className={style.meta}>\n          {date} {author && <>— Written by {author}</>}\n          {tags ? (\n            <div className={style.tags}>\n              {tags.map(tag => (\n                <Link to={`/tag/${toKebabCase(tag)}/`} key={toKebabCase(tag)}>\n                  <span className={style.tag}>#{tag}</span>\n                </Link>\n              ))}\n            </div>\n          ) : null}\n        </div>\n\n        {excerpt ? (\n          <></>\n        ) : (\n          series && (\n            <div className={style.series}>\n              {series.map((item, index) =>\n                item.path ? (\n                  <Link to={item.path} key={index}>\n                    {item.path === path ? (\n                      <span className={style.seriesItemBold}>{item.title}</span>\n                    ) : (\n                      <span className={style.seriesItem}>{item.title}</span>\n                    )}\n                  </Link>\n                ) : (\n                  <span key={index} className={style.seriesItem}>\n                    {item.title}\n                  </span>\n                ),\n              )}\n            </div>\n          )\n        )}\n\n        {coverImage ? (\n          <Img\n            fluid={coverImage.childImageSharp.fluid}\n            className={style.coverImage}\n          />\n        ) : (\n          <p>{excerpt}</p>\n        )}\n\n        {excerpt ? (\n          <>\n            {/*<p>{excerpt}</p>*/}\n            {/*<Link to={path} className={style.readMore}>*/}\n            {/*  Read more →*/}\n            {/*</Link>*/}\n          </>\n        ) : (\n          <>\n            <div dangerouslySetInnerHTML={{ __html: html }} />\n            <script\n              src=\"https://utteranc.es/client.js\"\n              repo=\"boorownie/blog-comment\"\n              issue-term=\"pathname\"\n              theme=\"github-light\"\n              crossOrigin=\"anonymous\"\n              async\n            ></script>\n            <Navigation\n              previousPath={previousPath}\n              previousLabel={previousLabel}\n              nextPath={nextPath}\n              nextLabel={nextLabel}\n            />\n          </>\n        )}\n      </div>\n    </div>\n  );\n};\n\nPost.propTypes = {\n  title: PropTypes.string,\n  date: PropTypes.string,\n  path: PropTypes.string,\n  coverImage: PropTypes.object,\n  author: PropTypes.string,\n  excerpt: PropTypes.string,\n  html: PropTypes.string,\n  tags: PropTypes.arrayOf(PropTypes.string),\n  series: PropTypes.arrayOf(PropTypes.object),\n  previousPost: PropTypes.object,\n  nextPost: PropTypes.object,\n};\n\nexport default Post;\n","// extracted by mini-css-extract-plugin\nmodule.exports = {\"navigation\":\"navigation-module--navigation--3Zfju\",\"button\":\"navigation-module--button--28kp3\",\"buttonText\":\"navigation-module--buttonText--1Xod2\",\"iconNext\":\"navigation-module--iconNext--3xyJ-\",\"iconPrev\":\"navigation-module--iconPrev--23mg1\"};","module.exports.toKebabCase = function(value) {\n  return value.replace(new RegExp('(\\\\s|_|-)+', 'gmi'), '-')\n}\n"],"sourceRoot":""}