Function getAmpConfigForFile

build-system/tasks/prepend-global/index.js:204–223

* Given a target, retrieves the appropriate AMP_CONFIG string to prepend. * Returns an empty string if no AMP_CONFIG is necessary. * * @param {string} filename the file being operated on. * @param {object} options * @return {!Promise }

(filename, options)

 * @return {!Promise<string>}
 */
async function getAmpConfigForFile(filename, options) {
  const targets = options.minify ? MINIFIED_TARGETS : UNMINIFIED_TARGETS;
  const target = path.basename(filename, path.extname(filename));
  if (!!argv.noconfig || !targets.includes(target)) {
    return '';
  }

  const type = argv.config === 'canary' ? 'canary' : 'prod';
  const baseConfigFile = 'build-system/global-configs/' + type + '-config.json';

  return getConfig(
    type,
    filename,
    baseConfigFile,
    /* opt_localDev */ !!options.localDev,
    /* opt_localBranch */ true,
    /* opt_branch */ undefined,
    /* opt_fortesting */ !!options.fortesting
  );
}

/**
 * @param {string} target File containing the AMP runtime (amp.js or v0.js)