displayPartWriter: Use try-finally to clear (#16807)

2026-05-30 01:04:49 -05:00 · 2017-07-13 08:14:02 -07:00
parent 9a3847feac
commit 6880ee33a3
1 changed files with 7 additions and 4 deletions
--- a/src/services/utilities.ts
+++ b/src/services/utilities.ts
@@ -1240,10 +1240,13 @@ namespace ts {
    }

    export function mapToDisplayParts(writeDisplayParts: (writer: DisplayPartsSymbolWriter) => void): SymbolDisplayPart[] {
-        writeDisplayParts(displayPartWriter);
-        const result = displayPartWriter.displayParts();
-        displayPartWriter.clear();
-        return result;
+        try {
+            writeDisplayParts(displayPartWriter);
+            return displayPartWriter.displayParts();
+        }
+        finally {
+            displayPartWriter.clear();
+        }
    }

    export function typeToDisplayParts(typechecker: TypeChecker, type: Type, enclosingDeclaration?: Node, flags?: TypeFormatFlags): SymbolDisplayPart[] {