Function writeBundle

packages/plugin-vite/src/plugins/server_entry.ts:107–183

(_options, bundle)

      },
    },
    async writeBundle(_options, bundle) {
      // Find server entry filename directly from bundle chunks.
      // This is more reliable than the manifest when rollupOptions
      // override output.entryFileNames.
      for (const chunk of Object.values(bundle)) {
        if (chunk.type === "chunk" && chunk.isEntry) {
          serverEntryFilename = chunk.fileName;
          break;
        }
      }

      const manifest = bundle[".vite/manifest.json"];

      const staticFiles: PendingStaticFile[] = [];
      if (
        manifest && manifest.type === "asset" &&
        typeof manifest.source === "string"
      ) {
        const json = JSON.parse(manifest.source) as Manifest;

        for (const item of Object.values(json)) {
          if (item.assets) {
            for (let i = 0; i < item.assets.length; i++) {
              const id = item.assets[i];

              staticFiles.push({
                filePath: path.join(serverOutDir, id),
                hash: null,
                pathname: getAssetPath(id),
                immutable: true,
              });
            }
          }

          if (item.css) {
            for (let i = 0; i < item.css.length; i++) {
              const id = item.css[i];

              staticFiles.push({
                filePath: path.join(serverOutDir, id),
                hash: null,
                pathname: getAssetPath(id),
                immutable: true,
              });
            }
          }
        }
      }

      const registered = await Promise.all(staticFiles.map(async (file) => {
        const prepared = await prepareStaticFile(file, serverOutDir);
        const rel = path.relative(serverOutDir, file.filePath);
        const target = path.join(clientOutDir, rel);
        await Deno.rename(file.filePath, target);

        prepared.filePath = path.join("client", prepared.filePath);

        return `registerStaticFile(${JSON.stringify(prepared)});`;