2 files changed, 61 insertions(+), 1 deletions(-)

M length.go
A length_test.go

@@ 6,6 6,6 @@ import (
 )
 
 func GetLengthWithoutCodes(content string) int {
-	var re = regexp.MustCompile(`(?m)\x1b\[([\d;]+m|[\d;]+(H|A|B|C|D|J|K|S|T)|s|u)`)
+	re := regexp.MustCompile(`(?m)\x1b(\[([\d;]+m|[\d;]+(H|A|B|C|D|J|K|S|T)|s|u)|\](8;;[^\x1b]*\x1b\\|777;notify;[^;]*;[^\a]*\a))`)
 	return utf8.RuneCountInString(re.ReplaceAllString(content, ""))
 }

@@ 0,0 1,60 @@
+package ansi
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestLength(t *testing.T) {
+	tests := []struct {
+		name           string
+		input          string
+		expectedLength int
+	}{
+		{
+			name:           "color",
+			input:          Blue("4444"),
+			expectedLength: 4,
+		},
+		{
+			name:           "formatting",
+			input:          Bold("88888888"),
+			expectedLength: 8,
+		},
+		{
+			name:           "link",
+			input:          LinkString("https://example.com", "333"),
+			expectedLength: 3,
+		},
+		{
+			name:           "notification",
+			input:          SendNotification("some title", "some body"),
+			expectedLength: 0,
+		},
+		{
+			name:           "movement",
+			input:          fmt.Sprintf("Up%s3x%s", Up(), UpX(400)),
+			expectedLength: 4,
+		},
+		{
+			name:           "cursor-save",
+			input:          fmt.Sprintf("Save%sRestore%s:)", SavePos(), RestorePos()),
+			expectedLength: 13,
+		},
+		{
+			name:           "clear-screen",
+			input:          fmt.Sprintf("clear%s", ClearScreen()),
+			expectedLength: 5,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if l := GetLengthWithoutCodes(test.input); l != test.expectedLength {
+				t.Logf("expected length %d, but got %d", test.expectedLength, l)
+				fmt.Printf("%x", GetLengthWithoutCodes(test.input))
+				t.Fail()
+			}
+		})
+	}
+}