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46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
// Copyright (C) 2019 Leo Balter. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: >
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Valid syntax for top level await.
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AwaitExpression StringLiteral
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info: |
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ModuleItem:
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StatementListItem[~Yield, +Await, ~Return]
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...
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ExpressionStatement[Yield, Await]:
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[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
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Expression[+In, ?Yield, ?Await];
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UnaryExpression[Yield, Await]
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[+Await]AwaitExpression[?Yield]
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AwaitExpression[Yield]:
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await UnaryExpression[?Yield, +Await]
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...
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PrimaryExpression[Yield, Await]:
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this
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IdentifierReference[?Yield, ?Await]
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Literal
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ArrayLiteral[?Yield, ?Await]
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ObjectLiteral[?Yield, ?Await]
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FunctionExpression
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ClassExpression[?Yield, ?Await]
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GeneratorExpression
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AsyncFunctionExpression
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AsyncGeneratorExpression
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RegularExpressionLiteral
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TemplateLiteral[?Yield, ?Await, ~Tagged]
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CoverParenthesizedExpressionAndArrowParameterList[?Yield, ?Await]
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esid: prod-AwaitExpression
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flags: [module]
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features: [top-level-await]
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---*/
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await function() {};
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