Function readConfigFile

ng-dev/utils/config.ts:223–244

* Resolves and reads the specified configuration file, optionally returning an empty object * if the configuration file cannot be read.

(
  configPath: string,
  returnNullOnConfigNotFound = false,
)

 * if the configuration file cannot be read.
 */
async function readConfigFile(
  configPath: string,
  returnNullOnConfigNotFound = false,
): Promise<{} | null> {
  try {
    // ESM imports expect a valid URL. On Windows, the disk name causes errors like:
    // `ERR_UNSUPPORTED_ESM_URL_SCHEME: <..> Received protocol 'c:'`
    return await import(pathToFileURL(configPath).toString());
  } catch (e) {
    if (returnNullOnConfigNotFound) {
      Log.debug(
        `Could not read configuration file at ${configPath}, returning empty object instead.`,
      );
      Log.debug(e);

      return null;
    }
    Log.error(`Could not read configuration file at ${configPath}.`);
    Log.error(e);
    process.exit(1);
  }
}