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LibJS: Allow object properties called 'async'

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This commit is contained in:
davidot 2021-11-26 16:40:27 +01:00 • committed by Linus Groh
parent 450dedabd1
commit 32016d3924
2 changed files with 10 additions and 1 deletions
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3
Userland/Libraries/LibJS/Parser.cpp
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@ -1486,7 +1486,8 @@ NonnullRefPtr<ObjectExpression> Parser::parse_object_expression()
if (match(TokenType::Async)) { if (match(TokenType::Async)) {
auto lookahead_token = next_token(); auto lookahead_token = next_token();
if (lookahead_token.type() != TokenType::ParenOpen && !lookahead_token.trivia_contains_line_terminator()) { if (lookahead_token.type() != TokenType::ParenOpen && lookahead_token.type() != TokenType::Colon
&& !lookahead_token.trivia_contains_line_terminator()) {
consume(TokenType::Async); consume(TokenType::Async);
function_kind = FunctionKind::Async; function_kind = FunctionKind::Async;
} }

8
Userland/Libraries/LibJS/Tests/syntax/async-await.js
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@ -18,6 +18,14 @@ describe("parsing object literal async functions", () => {
expect(`x = { async expect(`x = { async
foo() { } }`).not.toEval(); foo() { } }`).not.toEval();
}); });
test("property on object called async", () => {
expect(`x = { async() { } }`).toEval();
expect(`x = { async() { await 4; } }`).not.toEval();
expect(`x = { async: 3 }`).toEval();
expect(`x = { async: await 3, }`).not.toEval();
});
test("await expression", () => { test("await expression", () => {
expect(`x = { foo() { await bar(); } }`).not.toEval(); expect(`x = { foo() { await bar(); } }`).not.toEval();
expect(`x = { foo() { await; } }`).toEval(); expect(`x = { foo() { await; } }`).toEval();