Method lintFiles

internal/lint/lint.go:118–164

lintFiles walks the `root` directory, creating a new goroutine to lint any file that matches the given glob pattern.

(done <-chan core.File, root string)

// lintFiles walks the `root` directory, creating a new goroutine to lint any
// file that matches the given glob pattern.
func (l *Linter) lintFiles(done <-chan core.File, root string) (<-chan lintResult, <-chan error) {
	filesChan := make(chan lintResult)
	errChan := make(chan error, 1)

	go func() {
		wg := sizedwaitgroup.New(5)

		err := system.Walk(root, func(fp string, info fs.FileInfo, err error) error {
			if err != nil {
				return err
			}

			if info.IsDir() && core.ShouldIgnoreDirectory(fp) {
				return filepath.SkipDir
			} else if info.IsDir() || l.skip(fp) {
				return nil
			}

			wg.Add()
			go func(fp string) {
				select {
				case filesChan <- l.lintFile(fp):
				case <-done:
				}
				wg.Done()
			}(fp)

			// Abort the walk if done is closed.
			select {
			case <-done:
				return errors.New("walk canceled")
			default:
				return nil
			}
		})

		// Walk has returned, so all calls to wg.Add are done.  Start a
		// goroutine to close c once all the sends are done.
		go func() {
			wg.Wait()
			close(filesChan)
		}()
		errChan <- err
	}()

	return filesChan, errChan
}

// lintFile creates a new `File` from the path `src` and selects a linter based
// on its format.