1 files changed, 42 insertions, 0 deletions
diff --git a/internal/color/color.go b/internal/color/color.go
index dcbb280..22fa143 100644
--- a/internal/color/color.go
+++ b/internal/color/color.go
@@ -180,6 +180,48 @@ func VisibleLen(s string) int {
 	return utf8.RuneCountInString(ansiRe.ReplaceAllString(s, ""))
 }
 
+// WrapANSI wraps text to the given visible width, ignoring ANSI color codes
+// when measuring. Each input line (split on "\n") is handled on its own: a line
+// that already fits is returned untouched, so indentation and aligned UI are
+// preserved. Only over-long lines are word-wrapped. The result is joined with
+// "\r\n". A width <= 0 disables wrapping.
+func WrapANSI(s string, width int) string {
+	if width <= 0 {
+		return s
+	}
+	var out []string
+	for _, line := range strings.Split(s, "\n") {
+		line = strings.TrimRight(line, "\r")
+		out = append(out, wrapLine(line, width)...)
+	}
+	return strings.Join(out, "\r\n")
+}
+
+func wrapLine(line string, width int) []string {
+	if VisibleLen(line) <= width {
+		return []string{line}
+	}
+	words := strings.Fields(line)
+	if len(words) == 0 {
+		return []string{line}
+	}
+	cur := words[0]
+	curWidth := VisibleLen(words[0])
+	var lines []string
+	for _, w := range words[1:] {
+		ww := VisibleLen(w)
+		if curWidth+1+ww <= width {
+			cur += " " + w
+			curWidth += 1 + ww
+		} else {
+			lines = append(lines, cur)
+			cur = w
+			curWidth = ww
+		}
+	}
+	return append(lines, cur)
+}
+
 func ContrastFg(mode string, bgIndex int) string {
 	r, g, b := Xterm256ToRGB(bgIndex)
 	if r+g+b > 384 {