Function createTypeAssertion

test/fixtures/snapshot/typescript.js:24237–24246

(type, expression)

        }
        // @api
        function createTypeAssertion(type, expression) {
            var node = createBaseExpression(211 /* SyntaxKind.TypeAssertionExpression */);
            node.expression = parenthesizerRules().parenthesizeOperandOfPrefixUnary(expression);
            node.type = type;
            node.transformFlags |=
                propagateChildFlags(node.expression) |
                    propagateChildFlags(node.type) |
                    1 /* TransformFlags.ContainsTypeScript */;
            return node;
        }
        // @api
        function updateTypeAssertion(node, type, expression) {
            return node.type !== type