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LibJS: Disallow member expression in binding pattern as parameters

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davidot
2021-11-26 23:37:14 +01:00
committed by Linus Groh
parent 51e23cd043
commit 156dfe3d62
Notes: sideshowbarker 2024-07-17 23:18:23 +09:00 
Author: https://github.com/davidot
Commit: https://github.com/SerenityOS/serenity/commit/156dfe3d629
Pull-request: https://github.com/SerenityOS/serenity/pull/11088
Issue: https://github.com/SerenityOS/serenity/issues/11078
Reviewed-by: https://github.com/IdanHo
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg ✅
2 changed files with 17 additions and 1 deletions
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14
Userland/Libraries/LibJS/Tests/syntax/destructuring-assignment.js
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@@ -46,6 +46,20 @@ describe("parsing", () => {
expect(`const [ a, [ ...{length} ] ] = [];`).toEval();
expect(`let [ a, [ ...{length} ] ] = [];`).toEval();
});
test("function parameters cannot use member expresssions", () => {
expect("function f([a.b]) {}").not.toEval();
expect("function f([b[0]]) {}").not.toEval();
expect("function f({c:a.b}) {}").not.toEval();
expect("function f({a:b[0]}) {}").not.toEval();
expect("([a.b]) => 1").not.toEval();
expect("([b[0]]) => 2").not.toEval();
expect("({c:a.b}) => 3").not.toEval();
expect("({a:b[0]}) => 4").not.toEval();
});
});
describe("evaluating", () => {