Inherit allowReturnTypeInArrowFunction in parseConditionalExpressionRest

microsoft · Jun 17, 2022 · 8675dc1 · 8675dc1
1 parent 22c476c
commit 8675dc1
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/compiler/parser.ts b/src/compiler/parser.ts
@@ -4422,7 +4422,7 @@ namespace ts {
             }
 
             // It wasn't an assignment or a lambda.  This is a conditional expression:
-            return parseConditionalExpressionRest(expr, pos);
+            return parseConditionalExpressionRest(expr, pos, allowReturnTypeInArrowFunction);
         }
 
         function isYieldExpression(): boolean {
@@ -4853,7 +4853,7 @@ namespace ts {
             return node;
         }
 
-        function parseConditionalExpressionRest(leftOperand: Expression, pos: number): Expression {
+        function parseConditionalExpressionRest(leftOperand: Expression, pos: number, allowReturnTypeInArrowFunction: boolean): Expression {
             // Note: we are passed in an expression which was produced from parseBinaryExpressionOrHigher.
             const questionToken = parseOptionalToken(SyntaxKind.QuestionToken);
             if (!questionToken) {
@@ -4870,7 +4870,7 @@ namespace ts {
                     doOutsideOfContext(disallowInAndDecoratorContext, () => parseAssignmentExpressionOrHigher(/*allowReturnTypeInArrowFunction*/ false)),
                     colonToken = parseExpectedToken(SyntaxKind.ColonToken),
                     nodeIsPresent(colonToken)
-                        ? parseAssignmentExpressionOrHigher(/*allowReturnTypeInArrowFunction*/ false)
+                        ? parseAssignmentExpressionOrHigher(allowReturnTypeInArrowFunction)
                         : createMissingNode(SyntaxKind.Identifier, /*reportAtCurrentPosition*/ false, Diagnostics._0_expected, tokenToString(SyntaxKind.ColonToken))
                 ),
                 pos