func()

in pkg/header/config.go [73:104]

• 24 lines of code
• 7 McCabe index (conditional complexity)

func (config *ConfigHeader) LicensePattern(style *comments.CommentStyle) *regexp.Regexp {
	pattern := config.License.Pattern

	if pattern == "" || strings.TrimSpace(pattern) == "" {
		return nil
	}

	// Trim leading and trailing newlines
	pattern = strings.TrimSpace(pattern)
	lines := strings.Split(pattern, "\n")
	for i, line := range lines {
		if line != "" {
			lines[i] = fmt.Sprintf("%v %v", style.Middle, line)
		} else {
			lines[i] = style.Middle
		}
	}

	lines = append(lines, "(("+style.Middle+"\n)*|\n*)")

	if style.Start != style.Middle {
		lines = append([]string{style.Start}, lines...)
	}

	if style.End != style.Middle {
		lines = append(lines, style.End)
	}

	pattern = strings.Join(lines, "\n")

	return regexp.MustCompile("(?s)" + pattern)
}