Wrap error title to terminal width

gtsiolis · gtsiolis · commit 2c3ad73f645f · 2026-03-18T10:39:07.000+02:00
diff --git a/internal/ui/components/error_display.go b/internal/ui/components/error_display.go
@@ -2,6 +2,7 @@ package components
 
 import (
 	"strings"
+	"unicode/utf8"
 
 	"github.com/localstack/lstk/internal/output"
 	"github.com/localstack/lstk/internal/ui/styles"
@@ -34,8 +35,19 @@ func (e ErrorDisplay) View(maxWidth int) string {
 
 	var sb strings.Builder
 
-	sb.WriteString(styles.ErrorTitle.Render("✗ " + e.event.Title))
-	sb.WriteString("\n")
+	titlePrefix := "✗ "
+	prefixWidth := utf8.RuneCountInString(titlePrefix)
+	titleWidth := maxWidth - prefixWidth
+	titleLines := wrap.SoftWrap(e.event.Title, titleWidth)
+	for i, line := range titleLines {
+		if i == 0 {
+			sb.WriteString(styles.ErrorTitle.Render(titlePrefix + line))
+		} else {
+			sb.WriteString(strings.Repeat(" ", prefixWidth))
+			sb.WriteString(styles.ErrorTitle.Render(line))
+		}
+		sb.WriteString("\n")
+	}
 
 	if e.event.Summary != "" {
 		prefix := "> "
diff --git a/internal/ui/components/error_display_test.go b/internal/ui/components/error_display_test.go
@@ -84,6 +84,28 @@ func TestErrorDisplay_MultiActionRenders(t *testing.T) {
 	}
 }
 
+func TestErrorDisplay_TitleWrapsToWidth(t *testing.T) {
+	t.Parallel()
+
+	e := NewErrorDisplay()
+	longTitle := "license validation failed for localstack-pro:4.14.1.dev206: license validation failed: your token is invalid"
+	e = e.Show(output.ErrorEvent{Title: longTitle})
+
+	view := e.View(50)
+	lines := strings.Split(view, "\n")
+	// The title should be wrapped across multiple lines, not truncated
+	fullText := strings.Join(lines, " ")
+	if !strings.Contains(fullText, "invalid") {
+		t.Fatalf("expected wrapped title to contain full text, got: %q", view)
+	}
+	// Each line should not exceed the width
+	for _, line := range lines {
+		if len([]rune(line)) > 50 {
+			t.Errorf("line exceeds max width: %q (%d runes)", line, len([]rune(line)))
+		}
+	}
+}
+
 func TestErrorDisplay_MinimalEvent(t *testing.T) {
 	t.Parallel()
 
