Function buildBabel

Gulpfile.ts:276–308

(useWorker: boolean, ignore: PackageInfo[] = [])

}

async function buildBabel(useWorker: boolean, ignore: PackageInfo[] = []) {
  const worker = await createWorker(useWorker);
  const files = new Glob(defaultSourcesGlob, {
    ignore: ignore.map(p => `${p.src}/**`),
    posix: true,
  });

  const promises = [];
  for await (const file of files) {
    // @example ./packages/babel-parser/src/index.js
    const dest = "./" + mapSrcToLib(file);
    promises.push(
      worker.transform(file, dest, {
        sourceMaps: !file.endsWith(".d.ts"),
      })
    );
  }
  return Promise.allSettled(promises)
    .then(results => {
      results.forEach(result => {
        if (result.status === "rejected") {
          if (process.env.WATCH_SKIP_BUILD) {
            console.error(result.reason);
          } else {
            throw result.reason;
          }
        }
      });
    })
    .finally(() => {
      worker.end?.();
    });
}

/**
 * Resolve a nested dependency starting from the given file