JavaScriptBench
diff --git a/Collapse file
‎src/services/textChanges.ts‎
Copy file name to clipboardExpand all lines: src/services/textChanges.ts
+3-1Lines changed: 3 additions & 1 deletion b/Collapse file
‎src/services/textChanges.ts‎
Copy file name to clipboardExpand all lines: src/services/textChanges.ts
+3-1Lines changed: 3 additions & 1 deletion
@@ -889,7 +889,9 @@ namespace ts.textChanges {
                 : format(change.node);
             // strip initial indentation (spaces or tabs) if text will be inserted in the middle of the line
             const noIndent = (options.preserveLeadingWhitespace || options.indentation !== undefined || getLineStartPositionForPosition(pos, sourceFile) === pos) ? text : text.replace(/^\s+/, "");
-            return (options.prefix || "") + noIndent + (options.suffix || "");
+            return (options.prefix || "") + noIndent
+                 + ((!options.suffix || endsWith(noIndent, options.suffix))
+                    ? "" : options.suffix);
         }
 
         function getFormatCodeSettingsForWriting({ options }: formatting.FormatContext, sourceFile: SourceFile): FormatCodeSettings {