Fix multibyte initial characters

2 files changed, 16 insertions, 2 deletions

diff --git a/pkg/utils/slice.go b/pkg/utils/slice.go
index 0ee8dec66..dc3e85069 100644
--- a/pkg/utils/slice.go
+++ b/pkg/utils/slice.go
@@ -146,8 +146,12 @@ func Reverse(values []string) []string {
 }
 
 func LimitStr(value string, limit int) string {
-	if len(value) > limit {
-		return value[:limit]
+	n := 0
+	for i := range value {
+		if n >= limit {
+			return value[:i]
+		}
+		n++
 	}
 	return value
 }
diff --git a/pkg/utils/slice_test.go b/pkg/utils/slice_test.go
index b5919b3e6..67dcd00bf 100644
--- a/pkg/utils/slice_test.go
+++ b/pkg/utils/slice_test.go
@@ -290,6 +290,16 @@ func TestLimitStr(t *testing.T) {
 			limit:  3,
 			want:   "abc",
 		},
+		{
+			values: "あいう",
+			limit:  1,
+			want:   "あ",
+		},
+		{
+			values: "あいう",
+			limit:  2,
+			want:   "あい",
+		},
 	} {
 		if got := LimitStr(test.values, test.limit); !assert.EqualValues(t, got, test.want) {
 			t.Errorf("LimitString(%v, %d) = %v; want %v", test.values, test.limit, got, test.want)