chore: import upstream snapshot with attribution

2026-07-13 12:22:54 +08:00
commit bf9395e022
2349 changed files with 588574 additions and 0 deletions
@@ -0,0 +1,31 @@
+// Copyright (c) 2026 Lark Technologies Pte. Ltd.
+// SPDX-License-Identifier: MIT
+
+package util
+
+// TruncateStr truncates s to at most n runes, safe for multi-byte (e.g. CJK) characters.
+func TruncateStr(s string, n int) string {
+	if n <= 0 {
+		return ""
+	}
+	r := []rune(s)
+	if len(r) <= n {
+		return s
+	}
+	return string(r[:n])
+}
+
+// TruncateStrWithEllipsis truncates s to at most n runes (including "..." suffix).
+func TruncateStrWithEllipsis(s string, n int) string {
+	if n <= 0 {
+		return ""
+	}
+	r := []rune(s)
+	if len(r) <= n {
+		return s
+	}
+	if n < 3 {
+		return string(r[:n])
+	}
+	return string(r[:n-3]) + "..."
+}