Function getConfig

ng-dev/utils/config.ts:120–154

(baseDirOrAssertions?: unknown, returnNullOnConfigNotFound = false)

  returnNullOnConfigNotFound: true,
): Promise<NgDevConfig<Assertions<A>> | null>;
export async function getConfig(baseDirOrAssertions?: unknown, returnNullOnConfigNotFound = false) {
  let cachedConfig = getCachedConfig();

  if (cachedConfig === null) {
    let baseDir: string;
    if (typeof baseDirOrAssertions === 'string') {
      baseDir = baseDirOrAssertions;
    } else {
      baseDir = determineRepoBaseDirFromCwd();
    }

    // If the global config is not defined, load it from the file system.
    // The full path to the configuration file.
    const configPath = join(baseDir, CONFIG_FILE_PATH_MATCHER);
    // Read the configuration and validate it before caching it for the future.
    cachedConfig = await readConfigFile(configPath, returnNullOnConfigNotFound);

    if (returnNullOnConfigNotFound && !cachedConfig) {
      return null;
    }

    // Store the newly-read configuration in the cache.
    setCachedConfig(cachedConfig);
  }

  if (Array.isArray(baseDirOrAssertions)) {
    for (const assertion of baseDirOrAssertions) {
      assertion(cachedConfig);
    }
  }

  // Return a clone of the cached global config to ensure that a new instance of the config
  // is returned each time, preventing unexpected effects of modifications to the config object.
  return {...cachedConfig, __isNgDevConfigObject: true};
}

/**
 * Get the local user configuration from the file system, returning the already loaded copy if it is