1 files changed, 22 insertions, 0 deletions
diff --git a/devtools/shared/inspector/utils.js b/devtools/shared/inspector/utils.js
new file mode 100644
index 0000000000..3bd6b8edff
--- /dev/null
+++ b/devtools/shared/inspector/utils.js
@@ -0,0 +1,22 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Truncate the string and add ellipsis to the middle of the string.
+ */
+function truncateString(str, maxLength) {
+  if (!str || str.length <= maxLength) {
+    return str;
+  }
+
+  return (
+    str.substring(0, Math.ceil(maxLength / 2)) +
+    "…" +
+    str.substring(str.length - Math.floor(maxLength / 2))
+  );
+}
+
+exports.truncateString = truncateString;