Function visitYieldExpression

test/fixtures/snapshot/typescript.js:96679–96692

(node)

            return ts.visitEachChild(node, visitor, context);
        }
        function visitYieldExpression(node) {
            if (enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */) {
                if (node.asteriskToken) {
                    var expression = ts.visitNode(ts.Debug.checkDefined(node.expression), visitor, ts.isExpression);
                    return ts.setOriginalNode(ts.setTextRange(factory.createYieldExpression(
                    /*asteriskToken*/ undefined, emitHelpers().createAwaitHelper(factory.updateYieldExpression(node, node.asteriskToken, ts.setTextRange(emitHelpers().createAsyncDelegatorHelper(ts.setTextRange(emitHelpers().createAsyncValuesHelper(expression), expression)), expression)))), node), node);
                }
                return ts.setOriginalNode(ts.setTextRange(factory.createYieldExpression(
                /*asteriskToken*/ undefined, createDownlevelAwait(node.expression
                    ? ts.visitNode(node.expression, visitor, ts.isExpression)
                    : factory.createVoidZero())), node), node);
            }
            return ts.visitEachChild(node, visitor, context);
        }
        function visitReturnStatement(node) {
            if (enclosingFunctionFlags & 2 /* FunctionFlags.Async */ && enclosingFunctionFlags & 1 /* FunctionFlags.Generator */) {
                return factory.updateReturnStatement(node, createDownlevelAwait(node.expression ? ts.visitNode(node.expression, visitor, ts.isExpression) : factory.createVoidZero()));