{"ast":null,"code":"\"use strict\";\n\nvar _classCallCheck = require(\"@babel/runtime/helpers/classCallCheck\");\n\nvar _createClass = require(\"@babel/runtime/helpers/createClass\");\n\nvar _interopRequireDefault = require(\"@babel/runtime/helpers/interopRequireDefault\");\n\nexports.__esModule = true;\nexports[\"default\"] = void 0;\n\nvar _url = require(\"url\");\n\nvar _mitt = _interopRequireDefault(require(\"../next-server/lib/mitt\"));\n\nvar _isDynamic = require(\"./../next-server/lib/router/utils/is-dynamic\");\n\nvar _routeMatcher = require(\"./../next-server/lib/router/utils/route-matcher\");\n\nvar _routeRegex = require(\"./../next-server/lib/router/utils/route-regex\");\n\nvar _router = require(\"./../next-server/lib/router/router\");\n\nfunction hasRel(rel, link) {\n  try {\n    link = document.createElement('link');\n    return link.relList.supports(rel);\n  } catch (_unused) {}\n}\n\nvar relPrefetch = hasRel('preload') && !hasRel('prefetch') ? // https://caniuse.com/#feat=link-rel-preload\n// macOS and iOS (Safari does not support prefetch)\n'preload' : // https://caniuse.com/#feat=link-rel-prefetch\n// IE 11, Edge 12+, nearly all evergreen\n'prefetch';\nvar hasNoModule = ('noModule' in document.createElement('script'));\n/** @param {string} route */\n\nfunction normalizeRoute(route) {\n  if (route[0] !== '/') {\n    throw new Error(\"Route name should start with a \\\"/\\\", got \\\"\".concat(route, \"\\\"\"));\n  }\n\n  route = route.replace(/\\/index$/, '/');\n  if (route === '/') return route;\n  return route.replace(/\\/$/, '');\n}\n\nfunction appendLink(href, rel, as) {\n  return new Promise(function (res, rej, link) {\n    link = document.createElement('link');\n    link.crossOrigin = process.crossOrigin;\n    link.href = href;\n    link.rel = rel;\n    if (as) link.as = as;\n    link.onload = res;\n    link.onerror = rej;\n    document.head.appendChild(link);\n  });\n}\n\nvar PageLoader = /*#__PURE__*/function () {\n  function PageLoader(buildId, assetPrefix) {\n    _classCallCheck(this, PageLoader);\n\n    this.buildId = buildId;\n    this.assetPrefix = assetPrefix;\n    this.pageCache = {};\n    this.pageRegisterEvents = (0, _mitt[\"default\"])();\n    this.loadingRoutes = {};\n\n    if (process.env.__NEXT_GRANULAR_CHUNKS) {\n      this.promisedBuildManifest = new Promise(function (resolve) {\n        if (window.__BUILD_MANIFEST) {\n          resolve(window.__BUILD_MANIFEST);\n        } else {\n          window.__BUILD_MANIFEST_CB = function () {\n            resolve(window.__BUILD_MANIFEST);\n          };\n        }\n      });\n    }\n    /** @type {Promise<Set<string>>} */\n\n\n    this.promisedSsgManifest = new Promise(function (resolve) {\n      if (window.__SSG_MANIFEST) {\n        resolve(window.__SSG_MANIFEST);\n      } else {\n        window.__SSG_MANIFEST_CB = function () {\n          resolve(window.__SSG_MANIFEST);\n        };\n      }\n    });\n  } // Returns a promise for the dependencies for a particular route\n\n\n  _createClass(PageLoader, [{\n    key: \"getDependencies\",\n    value: function getDependencies(route) {\n      var _this = this;\n\n      return this.promisedBuildManifest.then(function (man) {\n        return man[route] && man[route].map(function (url) {\n          return \"\".concat(_this.assetPrefix, \"/_next/\").concat(encodeURI(url));\n        }) || [];\n      });\n    }\n    /**\n    * @param {string} href the route href (file-system path)\n    * @param {string} asPath the URL as shown in browser (virtual path); used for dynamic routes\n    */\n\n  }, {\n    key: \"getDataHref\",\n    value: function getDataHref(href, asPath) {\n      var _this2 = this;\n\n      var getHrefForSlug =\n      /** @type string */\n      function getHrefForSlug(path) {\n        path = (0, _router.delBasePath)(path);\n        return \"\".concat(_this2.assetPrefix, \"/_next/data/\").concat(_this2.buildId).concat(path === '/' ? '/index' : path, \".json\");\n      };\n\n      var _ref = (0, _url.parse)(href, true),\n          hrefPathname = _ref.pathname,\n          query = _ref.query;\n\n      var _ref2 = (0, _url.parse)(asPath),\n          asPathname = _ref2.pathname;\n\n      var route = normalizeRoute(hrefPathname);\n      var isDynamic = (0, _isDynamic.isDynamicRoute)(route),\n          interpolatedRoute;\n\n      if (isDynamic) {\n        var dynamicRegex = (0, _routeRegex.getRouteRegex)(route);\n        var dynamicGroups = dynamicRegex.groups;\n        var dynamicMatches = // Try to match the dynamic route against the asPath\n        (0, _routeMatcher.getRouteMatcher)(dynamicRegex)(asPathname) || // Fall back to reading the values from the href\n        // TODO: should this take priority; also need to change in the router.\n        query;\n        interpolatedRoute = route;\n\n        if (!Object.keys(dynamicGroups).every(function (param) {\n          var value = dynamicMatches[param];\n          var repeat = dynamicGroups[param].repeat; // support single-level catch-all\n          // TODO: more robust handling for user-error (passing `/`)\n\n          if (repeat && !Array.isArray(value)) value = [value];\n          return param in dynamicMatches && ( // Interpolate group into data URL if present\n          interpolatedRoute = interpolatedRoute.replace(\"[\".concat(repeat ? '...' : '').concat(param, \"]\"), repeat ? value.map(encodeURIComponent).join('/') : encodeURIComponent(value)));\n        })) {\n          interpolatedRoute = ''; // did not satisfy all requirements\n          // n.b. We ignore this error because we handle warning for this case in\n          // development in the `<Link>` component directly.\n        }\n      }\n\n      return isDynamic ? interpolatedRoute && getHrefForSlug(interpolatedRoute) : getHrefForSlug(route);\n    }\n    /**\n    * @param {string} href the route href (file-system path)\n    * @param {string} asPath the URL as shown in browser (virtual path); used for dynamic routes\n    */\n\n  }, {\n    key: \"prefetchData\",\n    value: function prefetchData(href, asPath) {\n      var _this3 = this;\n\n      var _ref3 = (0, _url.parse)(href, true),\n          hrefPathname = _ref3.pathname;\n\n      var route = normalizeRoute(hrefPathname);\n      return this.promisedSsgManifest.then(function (s, _dataHref) {\n        return (// Check if the route requires a data file\n          s.has(route) && ( // Try to generate data href, noop when falsy\n          _dataHref = _this3.getDataHref(href, asPath)) && // noop when data has already been prefetched (dedupe)\n          !document.querySelector(\"link[rel=\\\"\".concat(relPrefetch, \"\\\"][href^=\\\"\").concat(_dataHref, \"\\\"]\")) && // Inject the `<link rel=prefetch>` tag for above computed `href`.\n          appendLink(_dataHref, relPrefetch, 'fetch')\n        );\n      });\n    }\n  }, {\n    key: \"loadPage\",\n    value: function loadPage(route) {\n      return this.loadPageScript(route);\n    }\n  }, {\n    key: \"loadPageScript\",\n    value: function loadPageScript(route) {\n      var _this4 = this;\n\n      route = normalizeRoute(route);\n      return new Promise(function (resolve, reject) {\n        var fire = function fire(_ref4) {\n          var error = _ref4.error,\n              page = _ref4.page,\n              mod = _ref4.mod;\n\n          _this4.pageRegisterEvents.off(route, fire);\n\n          delete _this4.loadingRoutes[route];\n\n          if (error) {\n            reject(error);\n          } else {\n            resolve({\n              page: page,\n              mod: mod\n            });\n          }\n        }; // If there's a cached version of the page, let's use it.\n\n\n        var cachedPage = _this4.pageCache[route];\n\n        if (cachedPage) {\n          var error = cachedPage.error,\n              page = cachedPage.page,\n              mod = cachedPage.mod;\n          error ? reject(error) : resolve({\n            page: page,\n            mod: mod\n          });\n          return;\n        } // Register a listener to get the page\n\n\n        _this4.pageRegisterEvents.on(route, fire); // If the page is loading via SSR, we need to wait for it\n        // rather downloading it again.\n\n\n        if (document.querySelector(\"script[data-next-page=\\\"\".concat(route, \"\\\"]\"))) {\n          return;\n        }\n\n        if (!_this4.loadingRoutes[route]) {\n          _this4.loadingRoutes[route] = true;\n\n          if (process.env.__NEXT_GRANULAR_CHUNKS) {\n            _this4.getDependencies(route).then(function (deps) {\n              deps.forEach(function (d) {\n                if (/\\.js$/.test(d) && !document.querySelector(\"script[src^=\\\"\".concat(d, \"\\\"]\"))) {\n                  _this4.loadScript(d, route, false);\n                }\n\n                if (/\\.css$/.test(d) && !document.querySelector(\"link[rel=stylesheet][href^=\\\"\".concat(d, \"\\\"]\"))) {\n                  appendLink(d, 'stylesheet')[\"catch\"](function () {// FIXME: handle failure\n                    // Right now, this is needed to prevent an unhandled rejection.\n                  });\n                }\n              });\n\n              _this4.loadRoute(route);\n            });\n          } else {\n            _this4.loadRoute(route);\n          }\n        }\n      });\n    }\n  }, {\n    key: \"loadRoute\",\n    value: function loadRoute(route) {\n      route = normalizeRoute(route);\n      var scriptRoute = route === '/' ? 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window.__BUILD_MANIFEST_CB = () => {\n            resolve(window.__BUILD_MANIFEST)\n          }\n        }\n      })\n    }\n    /** @type {Promise<Set<string>>} */\n    this.promisedSsgManifest = new Promise((resolve) => {\n      if (window.__SSG_MANIFEST) {\n        resolve(window.__SSG_MANIFEST)\n      } else {\n        window.__SSG_MANIFEST_CB = () => {\n          resolve(window.__SSG_MANIFEST)\n        }\n      }\n    })\n  }\n\n  // Returns a promise for the dependencies for a particular route\n  getDependencies(route) {\n    return this.promisedBuildManifest.then(\n      (man) =>\n        (man[route] &&\n          man[route].map(\n            (url) => `${this.assetPrefix}/_next/${encodeURI(url)}`\n          )) ||\n        []\n    )\n  }\n\n  /**\n   * @param {string} href the route href (file-system path)\n   * @param {string} asPath the URL as shown in browser (virtual path); used for dynamic routes\n   */\n  getDataHref(href, asPath) {\n    const getHrefForSlug = (/** @type string */ path) => {\n      path = delBasePath(path)\n      return `${this.assetPrefix}/_next/data/${this.buildId}${\n        path === '/' ? '/index' : path\n      }.json`\n    }\n\n    const { pathname: hrefPathname, query } = parse(href, true)\n    const { pathname: asPathname } = parse(asPath)\n\n    const route = normalizeRoute(hrefPathname)\n\n    let isDynamic = isDynamicRoute(route),\n      interpolatedRoute\n    if (isDynamic) {\n      const dynamicRegex = getRouteRegex(route)\n      const dynamicGroups = dynamicRegex.groups\n      const dynamicMatches =\n        // Try to match the dynamic route against the asPath\n        getRouteMatcher(dynamicRegex)(asPathname) ||\n        // Fall back to reading the values from the href\n        // TODO: should this take priority; also need to change in the router.\n        query\n\n      interpolatedRoute = route\n      if (\n        !Object.keys(dynamicGroups).every((param) => {\n          let value = dynamicMatches[param]\n          const repeat = dynamicGroups[param].repeat\n\n          // support single-level catch-all\n          // TODO: more robust handling for user-error (passing `/`)\n          if (repeat && !Array.isArray(value)) value = [value]\n\n          return (\n            param in dynamicMatches &&\n            // Interpolate group into data URL if present\n            (interpolatedRoute = interpolatedRoute.replace(\n              `[${repeat ? '...' : ''}${param}]`,\n              repeat\n                ? value.map(encodeURIComponent).join('/')\n                : encodeURIComponent(value)\n            ))\n          )\n        })\n      ) {\n        interpolatedRoute = '' // did not satisfy all requirements\n\n        // n.b. We ignore this error because we handle warning for this case in\n        // development in the `<Link>` component directly.\n      }\n    }\n\n    return isDynamic\n      ? interpolatedRoute && getHrefForSlug(interpolatedRoute)\n      : getHrefForSlug(route)\n  }\n\n  /**\n   * @param {string} href the route href (file-system path)\n   * @param {string} asPath the URL as shown in browser (virtual path); used for dynamic routes\n   */\n  prefetchData(href, asPath) {\n    const { pathname: hrefPathname } = parse(href, true)\n    const route = normalizeRoute(hrefPathname)\n    return this.promisedSsgManifest.then(\n      (s, _dataHref) =>\n        // Check if the route requires a data file\n        s.has(route) &&\n        // Try to generate data href, noop when falsy\n        (_dataHref = this.getDataHref(href, asPath)) &&\n        // noop when data has already been prefetched (dedupe)\n        !document.querySelector(\n          `link[rel=\"${relPrefetch}\"][href^=\"${_dataHref}\"]`\n        ) &&\n        // Inject the `<link rel=prefetch>` tag for above computed `href`.\n        appendLink(_dataHref, relPrefetch, 'fetch')\n    )\n  }\n\n  loadPage(route) {\n    return this.loadPageScript(route)\n  }\n\n  loadPageScript(route) {\n    route = normalizeRoute(route)\n\n    return new Promise((resolve, reject) => {\n      const fire = ({ error, page, mod }) => {\n        this.pageRegisterEvents.off(route, fire)\n        delete this.loadingRoutes[route]\n\n        if (error) {\n          reject(error)\n        } else {\n          resolve({ page, mod })\n        }\n      }\n\n      // If there's a cached version of the page, let's use it.\n      const cachedPage = this.pageCache[route]\n      if (cachedPage) {\n        const { error, page, mod } = cachedPage\n        error ? reject(error) : resolve({ page, mod })\n        return\n      }\n\n      // Register a listener to get the page\n      this.pageRegisterEvents.on(route, fire)\n\n      // If the page is loading via SSR, we need to wait for it\n      // rather downloading it again.\n      if (document.querySelector(`script[data-next-page=\"${route}\"]`)) {\n        return\n      }\n\n      if (!this.loadingRoutes[route]) {\n        this.loadingRoutes[route] = true\n        if (process.env.__NEXT_GRANULAR_CHUNKS) {\n          this.getDependencies(route).then((deps) => {\n            deps.forEach((d) => {\n              if (\n                /\\.js$/.test(d) &&\n                !document.querySelector(`script[src^=\"${d}\"]`)\n              ) {\n                this.loadScript(d, route, false)\n              }\n              if (\n                /\\.css$/.test(d) &&\n                !document.querySelector(`link[rel=stylesheet][href^=\"${d}\"]`)\n              ) {\n                appendLink(d, 'stylesheet').catch(() => {\n                  // FIXME: handle failure\n                  // Right now, this is needed to prevent an unhandled rejection.\n                })\n              }\n            })\n            this.loadRoute(route)\n          })\n        } else {\n          this.loadRoute(route)\n        }\n      }\n    })\n  }\n\n  loadRoute(route) {\n    route = normalizeRoute(route)\n    let scriptRoute = route === '/' ? '/index.js' : `${route}.js`\n\n    const url = `${this.assetPrefix}/_next/static/${encodeURIComponent(\n      this.buildId\n    )}/pages${encodeURI(scriptRoute)}`\n    this.loadScript(url, route, true)\n  }\n\n  loadScript(url, route, isPage) {\n    const script = document.createElement('script')\n    if (process.env.__NEXT_MODERN_BUILD && hasNoModule) {\n      script.type = 'module'\n      // Only page bundle scripts need to have .module added to url,\n      // dependencies already have it added during build manifest creation\n      if (isPage) url = url.replace(/\\.js$/, '.module.js')\n    }\n    script.crossOrigin = process.crossOrigin\n    script.src = url\n    script.onerror = () => {\n      const error = new Error(`Error loading script ${url}`)\n      error.code = 'PAGE_LOAD_ERROR'\n      this.pageRegisterEvents.emit(route, { error })\n    }\n    document.body.appendChild(script)\n  }\n\n  // This method if called by the route code.\n  registerPage(route, regFn) {\n    const register = () => {\n      try {\n        const mod = regFn()\n        const pageData = { page: mod.default || mod, mod }\n        this.pageCache[route] = pageData\n        this.pageRegisterEvents.emit(route, pageData)\n      } catch (error) {\n        this.pageCache[route] = { error }\n        this.pageRegisterEvents.emit(route, { error })\n      }\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      // Wait for webpack to become idle if it's not.\n      // More info: https://github.com/vercel/next.js/pull/1511\n      if (module.hot && module.hot.status() !== 'idle') {\n        console.log(\n          `Waiting for webpack to become \"idle\" to initialize the page: \"${route}\"`\n        )\n\n        const check = (status) => {\n          if (status === 'idle') {\n            module.hot.removeStatusHandler(check)\n            register()\n          }\n        }\n        module.hot.status(check)\n        return\n      }\n    }\n\n    register()\n  }\n\n  /**\n   * @param {string} route\n   * @param {boolean} [isDependency]\n   */\n  prefetch(route, isDependency) {\n    // https://github.com/GoogleChromeLabs/quicklink/blob/453a661fa1fa940e2d2e044452398e38c67a98fb/src/index.mjs#L115-L118\n    // License: Apache 2.0\n    let cn\n    if ((cn = navigator.connection)) {\n      // Don't prefetch if using 2G or if Save-Data is enabled.\n      if (cn.saveData || /2g/.test(cn.effectiveType)) return Promise.resolve()\n    }\n\n    /** @type {string} */\n    let url\n    if (isDependency) {\n      url = route\n    } else {\n      route = normalizeRoute(route)\n\n      let scriptRoute = `${route === '/' ? '/index' : route}.js`\n      if (process.env.__NEXT_MODERN_BUILD && hasNoModule) {\n        scriptRoute = scriptRoute.replace(/\\.js$/, '.module.js')\n      }\n\n      url = `${this.assetPrefix}/_next/static/${encodeURIComponent(\n        this.buildId\n      )}/pages${encodeURI(scriptRoute)}`\n    }\n\n    return Promise.all(\n      document.querySelector(\n        `link[rel=\"${relPrefetch}\"][href^=\"${url}\"], script[data-next-page=\"${route}\"]`\n      )\n        ? []\n        : [\n            appendLink(\n              url,\n              relPrefetch,\n              url.match(/\\.css$/) ? 'style' : 'script'\n            ),\n            process.env.__NEXT_GRANULAR_CHUNKS &&\n              !isDependency &&\n              this.getDependencies(route).then((urls) =>\n                Promise.all(urls.map((url) => this.prefetch(url, true)))\n              ),\n          ]\n    ).then(\n      // do not return any data\n      () => {},\n      // swallow prefetch errors\n      () => {}\n    )\n  }\n}\n"]},"metadata":{},"sourceType":"script"}