Initial commit

node_modules/next/dist/build/webpack/loaders/next-metadata-route-loader.js

@@ -0,0 +1,269 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    default: null,
+    getFilenameAndExtension: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    default: function() {
+        return _default;
+    },
+    getFilenameAndExtension: function() {
+        return getFilenameAndExtension;
+    }
+});
+const _fs = /*#__PURE__*/ _interop_require_default(require("fs"));
+const _path = /*#__PURE__*/ _interop_require_default(require("path"));
+const _mimetype = require("../../../lib/mime-type");
+const _utils = require("./utils");
+function _interop_require_default(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+function errorOnBadHandler(resourcePath) {
+    return `
+  if (typeof handler !== 'function') {
+    throw new Error('Default export is missing in ${JSON.stringify(resourcePath)}')
+  }
+  `;
+}
+/* re-export the userland route configs */ async function createReExportsCode(resourcePath, loaderContext) {
+    const exportNames = await (0, _utils.getLoaderModuleNamedExports)(resourcePath, loaderContext);
+    // Re-export configs but avoid conflicted exports
+    const reExportNames = exportNames.filter((name)=>name !== 'default' && name !== 'generateSitemaps');
+    return reExportNames.length > 0 ? `export { ${reExportNames.join(', ')} } from ${JSON.stringify(resourcePath)}\n` : '';
+}
+const cacheHeader = {
+    none: 'no-cache, no-store',
+    longCache: 'public, immutable, no-transform, max-age=31536000',
+    revalidate: 'public, max-age=0, must-revalidate'
+};
+function getFilenameAndExtension(resourcePath) {
+    const filename = _path.default.basename(resourcePath);
+    const [name, ext] = filename.split('.', 2);
+    return {
+        name,
+        ext
+    };
+}
+function getContentType(resourcePath) {
+    let { name, ext } = getFilenameAndExtension(resourcePath);
+    if (ext === 'jpg') ext = 'jpeg';
+    if (name === 'favicon' && ext === 'ico') return 'image/x-icon';
+    if (name === 'sitemap') return 'application/xml';
+    if (name === 'robots') return 'text/plain';
+    if (name === 'manifest') return 'application/manifest+json';
+    if (ext === 'png' || ext === 'jpeg' || ext === 'ico' || ext === 'svg') {
+        return _mimetype.imageExtMimeTypeMap[ext];
+    }
+    return 'text/plain';
+}
+async function getStaticAssetRouteCode(resourcePath, fileBaseName) {
+    const cache = fileBaseName === 'favicon' ? 'public, max-age=0, must-revalidate' : process.env.NODE_ENV !== 'production' ? cacheHeader.none : cacheHeader.longCache;
+    const isTwitter = fileBaseName === 'twitter-image';
+    const isOpenGraph = fileBaseName === 'opengraph-image';
+    // Twitter image file size limit is 5MB.
+    // General Open Graph image file size limit is 8MB.
+    // x-ref: https://developer.x.com/en/docs/x-for-websites/cards/overview/summary
+    // x-ref(facebook): https://developers.facebook.com/docs/sharing/webmasters/images
+    const fileSizeLimit = isTwitter ? 5 : 8;
+    const imgName = isTwitter ? 'Twitter' : 'Open Graph';
+    const code = `\
+/* static asset route */
+import { NextResponse } from 'next/server'
+
+const contentType = ${JSON.stringify(getContentType(resourcePath))}
+const buffer = Buffer.from(${JSON.stringify((await _fs.default.promises.readFile(resourcePath)).toString('base64'))}, 'base64'
+  )
+
+if (${isTwitter || isOpenGraph}) {
+  const fileSizeInMB = buffer.byteLength / 1024 / 1024
+  if (fileSizeInMB > ${fileSizeLimit}) {
+    throw new Error('File size for ${imgName} image ${JSON.stringify(resourcePath)} exceeds ${fileSizeLimit}MB. ' +
+    \`(Current: \${fileSizeInMB.toFixed(2)}MB)\n\` +
+    'Read more: https://nextjs.org/docs/app/api-reference/file-conventions/metadata/opengraph-image#image-files-jpg-png-gif'
+    )
+  }
+}
+
+export function GET() {
+  return new NextResponse(buffer, {
+    headers: {
+      'Content-Type': contentType,
+      'Cache-Control': ${JSON.stringify(cache)},
+    },
+  })
+}
+
+export const dynamic = 'force-static'
+`;
+    return code;
+}
+async function getDynamicTextRouteCode(resourcePath, loaderContext) {
+    return `\
+/* dynamic asset route */
+import { NextResponse } from 'next/server'
+import handler from ${JSON.stringify(resourcePath)}
+import { resolveRouteData } from 'next/dist/build/webpack/loaders/metadata/resolve-route-data'
+
+const contentType = ${JSON.stringify(getContentType(resourcePath))}
+const fileType = ${JSON.stringify(getFilenameAndExtension(resourcePath).name)}
+
+${errorOnBadHandler(resourcePath)}
+${await createReExportsCode(resourcePath, loaderContext)}
+
+export async function GET() {
+  const data = await handler()
+  const content = resolveRouteData(data, fileType)
+
+  return new NextResponse(content, {
+    headers: {
+      'Content-Type': contentType,
+      'Cache-Control': ${JSON.stringify(cacheHeader.revalidate)},
+    },
+  })
+}
+`;
+}
+// <metadata-image>/[id]/route.js
+async function getDynamicImageRouteCode(resourcePath, loaderContext) {
+    return `\
+/* dynamic image route */
+import { NextResponse } from 'next/server'
+import * as userland from ${JSON.stringify(resourcePath)}
+
+const imageModule = { ...userland }
+
+const handler = imageModule.default
+const generateImageMetadata = imageModule.generateImageMetadata
+
+${errorOnBadHandler(resourcePath)}
+${await createReExportsCode(resourcePath, loaderContext)}
+
+export async function GET(_, ctx) {
+  const params = await ctx.params
+  const { __metadata_id__, ...rest } = params || {}
+  const restParams = params ? rest : undefined
+  const targetId = __metadata_id__
+  let id = undefined
+  
+  if (generateImageMetadata) {
+    const imageMetadata = await generateImageMetadata({ params: restParams })
+    id = imageMetadata.find((item) => {
+      if (process.env.NODE_ENV !== 'production') {
+        if (item?.id == null) {
+          throw new Error('id property is required for every item returned from generateImageMetadata')
+        }
+      }
+      return item.id.toString() === targetId
+    })?.id
+    if (id == null) {
+      return new NextResponse('Not Found', {
+        status: 404,
+      })
+    }
+  }
+
+  return handler({ params: restParams, id })
+}
+`;
+}
+async function getDynamicSitemapRouteCode(resourcePath, loaderContext) {
+    let staticGenerationCode = '';
+    const exportNames = await (0, _utils.getLoaderModuleNamedExports)(resourcePath, loaderContext);
+    const hasGenerateSitemaps = exportNames.includes('generateSitemaps');
+    if (process.env.NODE_ENV === 'production' && hasGenerateSitemaps) {
+        staticGenerationCode = `\
+    /* dynamic sitemap route */
+    export async function generateStaticParams() {
+      const sitemaps = await sitemapModule.generateSitemaps()
+      const params = []
+
+      for (const item of sitemaps) {
+        params.push({ __metadata_id__: item.id.toString() + '.xml' })
+      }
+      return params
+    }
+    `;
+    }
+    const code = `\
+import { NextResponse } from 'next/server'
+import * as userland from ${JSON.stringify(resourcePath)}
+import { resolveRouteData } from 'next/dist/build/webpack/loaders/metadata/resolve-route-data'
+
+const sitemapModule = { ...userland }
+const handler = sitemapModule.default
+const contentType = ${JSON.stringify(getContentType(resourcePath))}
+const fileType = ${JSON.stringify(getFilenameAndExtension(resourcePath).name)}
+
+${errorOnBadHandler(resourcePath)}
+${await createReExportsCode(resourcePath, loaderContext)}
+
+export async function GET(_, ctx) {
+  const { __metadata_id__: id, ...params } = await ctx.params || {}
+  const hasXmlExtension = id ? id.endsWith('.xml') : false
+
+  if (id && !hasXmlExtension) {
+    return new NextResponse('Not Found', {
+      status: 404,
+    })
+  }
+
+  if (process.env.NODE_ENV !== 'production' && sitemapModule.generateSitemaps) {
+    const sitemaps = await sitemapModule.generateSitemaps()
+    for (const item of sitemaps) {
+      if (item?.id == null) {
+        throw new Error('id property is required for every item returned from generateSitemaps')
+      }
+    }
+  }
+
+  const targetId = id && hasXmlExtension ? id.slice(0, -4) : undefined
+
+  const data = await handler({ id: targetId })
+  const content = resolveRouteData(data, fileType)
+
+  return new NextResponse(content, {
+    headers: {
+      'Content-Type': contentType,
+      'Cache-Control': ${JSON.stringify(cacheHeader.revalidate)},
+    },
+  })
+}
+
+${staticGenerationCode}
+`;
+    return code;
+}
+// When it's static route, it could be favicon.ico, sitemap.xml, robots.txt etc.
+// TODO-METADATA: improve the cache control strategy
+const nextMetadataRouterLoader = async function() {
+    const { isDynamicRouteExtension, filePath } = this.getOptions();
+    const { name: fileBaseName } = getFilenameAndExtension(filePath);
+    this.addDependency(filePath);
+    let code = '';
+    if (isDynamicRouteExtension === '1') {
+        if (fileBaseName === 'robots' || fileBaseName === 'manifest') {
+            code = await getDynamicTextRouteCode(filePath, this);
+        } else if (fileBaseName === 'sitemap') {
+            code = await getDynamicSitemapRouteCode(filePath, this);
+        } else {
+            code = await getDynamicImageRouteCode(filePath, this);
+        }
+    } else {
+        code = await getStaticAssetRouteCode(filePath, fileBaseName);
+    }
+    return code;
+};
+const _default = nextMetadataRouterLoader;
+
+//# sourceMappingURL=next-metadata-route-loader.js.map