Function extractCommandBlock

internal/cmdhelp/md_test.go:356–369

extractCommandBlock returns the substring of `md` covering one command's section, identified by its full path (e.g. "item create"). Used to scope assertions to a single command rather than the whole document.

(md, path string)

// Used to scope assertions to a single command rather than the whole
// document.
func extractCommandBlock(md, path string) string {
	heading := "## `padtest " + path + "`"
	idx := strings.Index(md, heading)
	if idx < 0 {
		return ""
	}
	rest := md[idx+len(heading):]
	// Block ends at the next `## ` heading at the same level.
	next := regexp.MustCompile(`(?m)^## `)
	if loc := next.FindStringIndex(rest); loc != nil {
		return md[idx : idx+len(heading)+loc[0]]
	}
	return md[idx:]
}

func head(s string, lines int) string {
	parts := strings.SplitN(s, "\n", lines+1)