Function getFilesToCheck

build-system/common/utils.js:118–136

* Gets a list of files to be checked based on command line args and the given * file matching globs. Used by tasks like prettify, lint, check-links, etc. * Optionally takes in options for globbing and a file containing ignore rules. * * @param {!Array } globs * @param {Object=} options

(globs, options = {}, ignoreFile = undefined)

 * @return {!Array<string>}
 */
function getFilesToCheck(globs, options = {}, ignoreFile = undefined) {
  const ignored = ignore();
  if (ignoreFile) {
    const ignoreRules = fs.readFileSync(ignoreFile, 'utf8');
    ignored.add(ignoreRules);
  }
  if (argv.files) {
    return logFiles(ignored.filter(getFilesFromArgv()));
  }
  if (argv.local_changes) {
    const filesChanged = ignored.filter(getFilesChanged(globs, options));
    if (filesChanged.length == 0) {
      log(green('INFO: ') + 'No files to check in this PR');
      return [];
    }
    return logFiles(filesChanged);
  }
  return ignored.filter(fastGlob.sync(globs, options).map(String));
}

/**
 * Ensures that a target is only called with `--files` or `--local_changes`