Function build

build-system/server/lazy-build.js:75–96

* Actually build a JS file or extension. Only will allow one build per * bundle at a time. * * @param {!Object} bundles * @param {string} name * @param {function(!Object, string, ?Object):Promise} buildFunc * @return {Promise }

(bundles, name, buildFunc)

 * @return {Promise<void>}
 */
async function build(bundles, name, buildFunc) {
  const bundle = bundles[name];
  if (bundle.pendingBuild) {
    return await bundle.pendingBuild;
  }
  if (bundle.watched) {
    return;
  }
  bundle.watched = true;
  bundle.pendingBuild = buildFunc(bundles, name, {
    watch: true,
    minify: argv.minified,
    localDev: true,
    onWatchBuild: async (bundlePromise) => {
      bundle.pendingBuild = bundlePromise;
      await bundlePromise;
      bundle.pendingBuild = undefined;
    },
  });
  await bundle.pendingBuild;
  bundle.pendingBuild = undefined;
}

/**
 * Lazy builds the correct version of an extension when requested.