Function getExtensionsToBuild

build-system/tasks/extension-helpers.js:178–208

* Process the command line arguments --noextensions, --extensions, and * --extensions_from and return a list of the referenced extensions. * * @param {boolean=} preBuild * @return {!Array }

(preBuild = false)

 * @return {!Array<string>}
 */
function getExtensionsToBuild(preBuild = false) {
  extensionsToBuild = argv.core_runtime_only ? [] : DEFAULT_EXTENSION_SET;
  if (argv.extensions) {
    if (typeof argv.extensions !== 'string') {
      log(red('ERROR:'), 'Missing list of extensions.');
      process.exit(1);
    } else if (argv.extensions === 'inabox') {
      argv.extensions = INABOX_EXTENSION_SET.join(',');
    }
    const explicitExtensions = argv.extensions.replace(/\s/g, '').split(',');
    extensionsToBuild = dedupe(extensionsToBuild.concat(explicitExtensions));
  }
  if (argv.extensions_from) {
    const extensionsFrom = getExtensionsFromArg(argv.extensions_from);
    extensionsToBuild = dedupe(extensionsToBuild.concat(extensionsFrom));
  }
  if (
    !preBuild &&
    !argv.noextensions &&
    !argv.extensions &&
    !argv.extensions_from &&
    !argv.core_runtime_only
  ) {
    const allExtensions = [];
    for (const extension in EXTENSIONS) {
      allExtensions.push(EXTENSIONS[extension].name);
    }
    extensionsToBuild = dedupe(extensionsToBuild.concat(allExtensions));
  }
  return extensionsToBuild;
}

/**
 * Parses the --extensions, --extensions_from, and the --noextensions flags,