Correct && operator to produce nullable values

2025-11-18 17:21:48 +00:00 · 2016-02-18 09:13:18 -08:00
parent 54ee0b13b3
commit 1e8a7e28d0
1 changed files with 1 additions and 1 deletions
@@ -11260,7 +11260,7 @@ namespace ts {
                case SyntaxKind.InKeyword:
                    return checkInExpression(left, right, leftType, rightType);
                case SyntaxKind.AmpersandAmpersandToken:
-                    return rightType;
+                    return isNullableType(leftType) ? getNullableType(rightType) : rightType;
                case SyntaxKind.BarBarToken:
                    return getUnionType([getNonNullableType(leftType), rightType]);
                case SyntaxKind.EqualsToken: