Function runBuild

packages/cli-v3/src/commands/dev.tsx:387–704

()

    let firstBuild = true;

    async function runBuild() {
      if (ctx) {
        // This will stop the watching
        await ctx.dispose();
      }

      let latestWorkerContentHash: string | undefined;

      const taskFiles = await gatherTaskFiles(config);

      const workerFacadePath = join(cliRootPath(), "workers", "dev", "worker-facade.js");
      const workerFacade = readFileSync(workerFacadePath, "utf-8");

      const workerSetupPath = join(cliRootPath(), "workers", "dev", "worker-setup.js");

      let entryPointContents = workerFacade
        .replace("__TASKS__", createTaskFileImports(taskFiles))
        .replace(
          "__WORKER_SETUP__",
          `import { tracingSDK, otelTracer, otelLogger, sender } from "${escapeImportPath(
            workerSetupPath
          )}";`
        );

      if (configPath) {
        configPath = normalize(configPath);
        logger.debug("Importing project config from", { configPath });

        entryPointContents = entryPointContents.replace(
          "__IMPORTED_PROJECT_CONFIG__",
          `import * as importedConfigExports from "${escapeImportPath(
            configPath
          )}"; const importedConfig = importedConfigExports.config; const handleError = importedConfigExports.handleError;`
        );
      } else {
        entryPointContents = entryPointContents.replace(
          "__IMPORTED_PROJECT_CONFIG__",
          `const importedConfig = undefined; const handleError = undefined;`
        );
      }

      logger.log(chalkGrey("○ Building background worker…"));

      ctx = await context({
        stdin: {
          contents: entryPointContents,
          resolveDir: process.cwd(),
          sourcefile: "__entryPoint.ts",
        },
        banner: {
          js: `process.on("uncaughtException", function(error, origin) { if (error instanceof Error) { process.send && process.send({ type: "UNCAUGHT_EXCEPTION", payload: { error: { name: error.name, message: error.message, stack: error.stack }, origin }, version: "v1" }); } else { process.send && process.send({ type: "UNCAUGHT_EXCEPTION", payload: { error: { name: "Error", message: typeof error === "string" ? error : JSON.stringify(error) }, origin }, version: "v1" }); } });`,
        },
        bundle: true,
        metafile: true,
        write: false,
        minify: false,
        sourcemap: "external", // does not set the //# sourceMappingURL= comment in the file, we handle it ourselves
        logLevel: "error",