// Copyright (C) 2019 Leo Balter. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > Valid syntax for top level await. IfStatement ( AwaitExpression BooleanLiteral ) info: | ModuleItem: StatementListItem[~Yield, +Await, ~Return] ... IfStatement[Yield, Await, Return]: if(Expression[+In, ?Yield, ?Await])Statement[?Yield, ?Await, ?Return]elseStatement[?Yield, ?Await, ?Return] if(Expression[+In, ?Yield, ?Await])Statement[?Yield, ?Await, ?Return] ... ExpressionStatement[Yield, Await]: [lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }] Expression[+In, ?Yield, ?Await]; UnaryExpression[Yield, Await] [+Await]AwaitExpression[?Yield] AwaitExpression[Yield]: await UnaryExpression[?Yield, +Await] esid: prod-AwaitExpression flags: [module] features: [top-level-await] ---*/ if (await false) {};