Function lenAnsi

cmd/display/tty.go:677–694

lenAnsi count of user-perceived characters in ANSI string.

(s string)

// lenAnsi count of user-perceived characters in ANSI string.
func lenAnsi(s string) int {
	length := 0
	ansiCode := false
	for _, r := range s {
		if r == '\x1b' {
			ansiCode = true
			continue
		}
		if ansiCode && r == 'm' {
			ansiCode = false
			continue
		}
		if !ansiCode {
			length++
		}
	}
	return length
}

var percentChars = strings.Split("⠀⡀⣀⣄⣤⣦⣶⣷⣿", "")