@serwist/turbopack/dist/index.mjs.map

A module that integrates Serwist into your Next.js / Turbopack application.

{"version":3,"file":"index.mjs","names":["crypto","fs","path","BuildResult","getFileManifestEntries","rebasePath","SerwistConfigError","validationErrorMap","browserslistToEsbuild","browserslist","cyan","dim","yellow","NextConfig","MODERN_BROWSERSLIST_TARGET","NextResponse","z","injectManifestOptions","logger","LoggingMethods","InjectManifestOptions","InjectManifestOptionsComplete","esbuildWasm","Promise","esbuildNative","logSerwistResult","filePath","buildResult","Pick","count","size","warnings","hasWarnings","length","toFixed","map","w","join","validateGetManifestOptions","input","result","spa","error","success","moduleName","message","prettifyError","data","isDev","process","env","NODE_ENV","contentTypeMap","Record","createSerwistRoute","options","dynamic","const","dynamicParams","revalidate","validation","then","config","disablePrecacheManifest","additionalPrecacheEntries","globIgnores","file","swSrc","baseDirectory","globDirectory","manifestTransforms","manifestEntries","manifest","m","url","startsWith","nextConfig","distDir","assetPrefix","slice","posix","basePath","lastHash","Map","loadMap","injectionPoint","manifestString","undefined","JSON","stringify","log","type","esbuild","useNativeEsbuild","build","sourcemap","format","treeShaking","minify","bundle","esbuildOptions","target","cwd","platform","define","outdir","write","entryNames","assetNames","chunkNames","entryPoints","in","out","errors","console","Error","warn","outputFiles","e","text","generateStaticParams","keys","relative","GET","_","Request","params","rebuildOnChange","swContent","readFileSync","currentHash","createHash","update","digest","get","headers","extname","withSerwist","serverExternalPackages"],"sources":["../src/index.ts"],"sourcesContent":["// Workaround for Next.js + Turbopack, while plugins are still\n// not supported. This relies on Next.js Route Handlers and file\n// name determinism.\nimport crypto from \"node:crypto\";\nimport fs from \"node:fs\";\nimport path from \"node:path\";\nimport { type BuildResult, getFileManifestEntries, rebasePath } from \"@serwist/build\";\nimport { SerwistConfigError, validationErrorMap } from \"@serwist/build/schema\";\nimport { browserslistToEsbuild } from \"@serwist/utils\";\nimport browserslist from \"browserslist\";\nimport { cyan, dim, yellow } from \"kolorist\";\nimport type { NextConfig } from \"next\";\nimport { MODERN_BROWSERSLIST_TARGET } from \"next/constants.js\";\nimport { NextResponse } from \"next/server.js\";\nimport { z } from \"zod\";\nimport { injectManifestOptions } from \"./index.schema.js\";\nimport { logger } from \"./lib/index.js\";\nimport type { LoggingMethods } from \"./lib/logger.js\";\nimport type { InjectManifestOptions, InjectManifestOptionsComplete } from \"./types.js\";\n\nlet esbuildWasm: Promise<typeof import(\"esbuild-wasm\")> | null = null;\nlet esbuildNative: Promise<typeof import(\"esbuild\")> | null = null;\n\nconst logSerwistResult = (filePath: string, buildResult: Pick<BuildResult, \"count\" | \"size\" | \"warnings\">) => {\n  const { count, size, warnings } = buildResult;\n  const hasWarnings = warnings && warnings.length > 0;\n  // The route is reinitiated for each `path` param, so we only log results\n  // if we're prerendering for sw.js.\n  if (filePath === \"sw.js\" && (hasWarnings || count > 0)) {\n    logger[hasWarnings ? \"warn\" : \"event\"](\n      `${cyan(count)} precache entries ${dim(`(${(size / 1024).toFixed(2)} KiB)`)}${\n        hasWarnings ? `\\n${yellow([\"⚠ warnings\", ...warnings.map((w) => `  ${w}`), \"\"].join(\"\\n\"))}` : \"\"\n      }`,\n    );\n  }\n};\n\nconst validateGetManifestOptions = async (input: unknown): Promise<InjectManifestOptionsComplete> => {\n  const result = await injectManifestOptions.spa(input, {\n    error: validationErrorMap,\n  });\n  if (!result.success) {\n    throw new SerwistConfigError({\n      moduleName: \"@serwist/turbopack\",\n      message: z.prettifyError(result.error),\n    });\n  }\n  return result.data;\n};\n\nconst isDev = process.env.NODE_ENV === \"development\";\n\nconst contentTypeMap: Record<string, string> = {\n  \".js\": \"application/javascript\",\n  \".map\": \"application/json; charset=UTF-8\",\n};\n\n/**\n * Creates a Route Handler for Serwist files.\n * @param options Options for {@linkcode getFileManifestEntries}.\n */\nexport const createSerwistRoute = (options: InjectManifestOptions) => {\n  const dynamic = \"force-static\" as const,\n    dynamicParams = false as const,\n    revalidate = false as const;\n  const validation = validateGetManifestOptions(options).then((config) => {\n    return {\n      ...config,\n      disablePrecacheManifest: isDev,\n      additionalPrecacheEntries: isDev ? [] : config.additionalPrecacheEntries,\n      globIgnores: [\n        ...config.globIgnores,\n        // Make sure we leave swSrc out of the precache manifest.\n        rebasePath({\n          file: config.swSrc,\n          baseDirectory: config.globDirectory,\n        }),\n      ],\n      manifestTransforms: [\n        ...(config.manifestTransforms ?? []),\n        async (manifestEntries) => {\n          const manifest = manifestEntries.map((m) => {\n            // Replace all references to \"$(distDir)\" with \"$(assetPrefix)/_next/\".\n            if (m.url.startsWith(config.nextConfig.distDir)) {\n              m.url = `${config.nextConfig.assetPrefix}/_next/${m.url.slice(config.nextConfig.distDir.length)}`;\n            }\n            // Replace all references to public/ with \"$(basePath)/\".\n            if (m.url.startsWith(\"public/\")) {\n              m.url = path.posix.join(config.nextConfig.basePath, m.url.slice(7));\n            }\n            return m;\n          });\n          return { manifest, warnings: [] };\n        },\n      ],\n    };\n  });\n  let lastHash: string | null = null;\n  let map: Map<string, string> | null = null;\n  // NOTE: ALL FILES MUST HAVE DETERMINISTIC NAMES. THIS IS BECAUSE\n  // THE FOLLOWING MAP IS LOADED SEPARATELY FOR `generateStaticParams`\n  // AND EVERY `GET` REQUEST TO EACH OF THE FILES.\n  const loadMap = async (filePath: string) => {\n    const config = await validation;\n    const { count, size, manifestEntries, warnings } = await getFileManifestEntries(config);\n    // See https://github.com/GoogleChrome/workbox/issues/2230\n    const injectionPoint = config.injectionPoint || \"\";\n    const manifestString = manifestEntries === undefined ? \"undefined\" : JSON.stringify(manifestEntries, null, 2);\n    const log = (type: LoggingMethods, ...message: any[]) => {\n      if (filePath === \"sw.js\") {\n        logger[type](...message);\n      }\n    };\n    let esbuild: typeof import(\"esbuild\");\n    if (config.useNativeEsbuild) {\n      log(\"info\", \"Using esbuild to bundle the service worker.\");\n      if (!esbuildNative) esbuildNative = import(/* webpackIgnore: true */ \"esbuild\");\n      esbuild = await esbuildNative;\n    } else {\n      log(\"info\", \"Using esbuild-wasm to bundle the service worker.\");\n      if (!esbuildWasm) esbuildWasm = import(/* webpackIgnore: true */ \"esbuild-wasm\");\n      esbuild = await esbuildWasm;\n    }\n    logSerwistResult(filePath, { count, size, warnings });\n    const result = await esbuild.build({\n      sourcemap: true,\n      format: \"esm\",\n      treeShaking: true,\n      minify: !isDev,\n      bundle: true,\n      ...config.esbuildOptions,\n      target: config.esbuildOptions?.target ?? browserslistToEsbuild(browserslist, config.cwd, MODERN_BROWSERSLIST_TARGET),\n      platform: \"browser\",\n      define: {\n        ...config.esbuildOptions.define,\n        ...(injectionPoint ? { [injectionPoint]: manifestString } : {}),\n      },\n      outdir: config.cwd,\n      write: false,\n      entryNames: \"[name]\",\n      // Asset and chunk names must be at the top, as our path is `/serwist/[path]`,\n      // not `/serwist/[...path]`, meaning that we can't resolve paths deeper\n      // than one level.\n      assetNames: \"[name]-[hash]\",\n      chunkNames: \"[name]-[hash]\",\n      entryPoints: [{ in: config.swSrc, out: \"sw\" }],\n    });\n    if (result.errors.length) {\n      console.error(\"Failed to build the service worker.\", result.errors);\n      throw new Error();\n    }\n    if (result.warnings.length) {\n      console.warn(result.warnings);\n    }\n    return new Map(result.outputFiles.map((e) => [e.path, e.text]));\n  };\n  const generateStaticParams = async () => {\n    const config = await validation;\n    if (!map) map = await loadMap(\"root\");\n    return [...map.keys()].map((e) => ({ path: path.relative(config.cwd, e) }));\n  };\n  const GET = async (_: Request, { params }: { params: Promise<{ path: string }> }) => {\n    const { path: filePath } = await params;\n    const config = await validation;\n    if (isDev && config.rebuildOnChange) {\n      const swContent = fs.readFileSync(config.swSrc, \"utf-8\");\n      const currentHash = crypto.createHash(\"sha256\").update(swContent).digest(\"hex\");\n      if (!map || lastHash !== currentHash) {\n        map = await loadMap(filePath);\n        lastHash = currentHash;\n      }\n    } else if (!map) map = await loadMap(filePath);\n    return new NextResponse(map.get(path.join(config.cwd, filePath)), {\n      headers: {\n        \"Content-Type\": contentTypeMap[path.extname(filePath)] || \"text/plain\",\n        \"Service-Worker-Allowed\": \"/\",\n      },\n    });\n  };\n  return { dynamic, dynamicParams, revalidate, generateStaticParams, GET };\n};\n\nexport const withSerwist = (nextConfig: NextConfig = {}): NextConfig => ({\n  ...nextConfig,\n  serverExternalPackages: [...(nextConfig.serverExternalPackages ?? 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