code: function getCLIParamsConfig(config, commander) {
    let {
      file,
      pathFile,
      dir,
      useJsModules,
      landBase,
      numWorkers,
      skipVerify,
      decaffeinatePath,
      jscodeshiftPath,
      eslintPath,
    } = commander;
    // As a special case, specifying files to process from the CLI should cause
    // any equivalent config file settings to be ignored.
    if ((file && file.length > 0) || dir || pathFile) {
      config.filesToProcess = null;
      config.searchDirectory = null;
      config.pathFile = null;
    }
  
    if (file && file.length > 0) {
      config.filesToProcess = file;
    }
    if (dir) {
      config.searchDirectory = dir;
    }
    if (pathFile) {
      config.pathFile = pathFile;
    }
    if (useJsModules) {
      config.useJSModules = true;
    }
    if (landBase) {
      config.landBase = landBase;
    }
    if (numWorkers) {
      config.numWorkers = numWorkers;
    }
    if (skipVerify) {
      config.skipVerify = true;
    }
    if (decaffeinatePath) {
      config.decaffeinatePath = decaffeinatePath;
    }
    if (jscodeshiftPath) {
      config.jscodeshiftPath = jscodeshiftPath;
    }
    if (eslintPath) {
      config.eslintPath = eslintPath;
    }
    return config;
  }
docs: Fill in a configuration from the CLI arguments.