Function loadTemplatesFromFS

util/template.go:82–106

loadTemplatesFromFS is a helper function that loads templates from the given filesystem and directory. It returns an error if reading the directory or parsing any template fails.

(fsys fs.FS, dir string)

// loadTemplatesFromFS is a helper function that loads templates from the given filesystem and directory.
// It returns an error if reading the directory or parsing any template fails.
func loadTemplatesFromFS(fsys fs.FS, dir string) error {
	tmplFiles, err := fs.ReadDir(fsys, dir)
	if err != nil {
		return err
	}

	pattern := dir + "/"
	if dir == "." {
		pattern = ""
	}

	for _, tmpl := range tmplFiles {
		if tmpl.IsDir() {
			continue
		}

		pt, err := template.ParseFS(fsys, pattern+tmpl.Name())
		if err != nil {
			return err
		}

		templates[tmpl.Name()] = pt
	}
	return nil
}