Method loadFileConfigs

lib/util.js:310–369

* Load the individual file configurations. * * * This method builds a map of filename to the configuration object defined * by the file. The search order is: * * * * default.EXT * (deployment).EXT * (hostname).EXT * (hostname)-(deployment).EXT

(opts)

   * @return {Load} loadConfig
   */
  static loadFileConfigs(opts) {
    let load;

    if (opts instanceof Load) {
      load = opts;
    } else {
      load = new Load(opts);
    }

    let options = load.options;
    let dir = options.configDir;
    dir = _toAbsolutePath(dir);

    // Read each file in turn
    const baseNames = ['default'].concat(options.nodeEnv);
    const hostName = options.hostName;

    // #236: Also add full hostname when they are different.
    if (hostName) {
      const firstDomain = hostName.split('.')[0];

      for (let env of options.nodeEnv) {
        // Backward compatibility
        baseNames.push(firstDomain, firstDomain + '-' + env);

        // Add full hostname when it is not the same
        if (hostName !== firstDomain) {
          baseNames.push(hostName, hostName + '-' + env);
        }
      }
    }

    for (let env of options.nodeEnv) {
      baseNames.push('local', 'local-' + env);
    }

    const allowedFiles = {};
    let resolutionIndex = 1;
    const extNames = options.parser.getFilesOrder();

    for (let baseName of baseNames) {
      const fileNames = [baseName];
      if (options.appInstance) {
        fileNames.push(baseName + '-' + options.appInstance);
      }

      for (let fileName of fileNames) {
        for (let extName of extNames) {
          allowedFiles[fileName + '.' + extName] = resolutionIndex++;
        }
      }
    }

    const locatedFiles = this.locateMatchingFiles(dir, allowedFiles);
    for (let fullFilename of locatedFiles) {
      load.loadFile(fullFilename);
    }