Implement Promise.allKeyed() and Promise.allSettledKeyed()#2314
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…tionary) Add support for the TC39 Stage 2.7 await-dictionary proposal which adds Promise.allKeyed() and Promise.allSettledKeyed() static methods. These work like Promise.all/allSettled but accept an object and return an object with the same keys mapped to resolved values. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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March 6, 2026 14:15
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Summary
Promise.allKeyed()andPromise.allSettledKeyed()static methods from the TC39 Stage 2.7 await-dictionary proposalawait-dictionaryfrom excluded test262 features — all 24 test cases pass (12 files × strict + sloppy)Test plan
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