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37 lines
849 B
JavaScript
37 lines
849 B
JavaScript
// Copyright (c) 2023 Ecma International. 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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esid: sec-object.groupby
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description: Object.groupBy coerces return value with ToPropertyKey
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info: |
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Object.groupBy ( items, callbackfn )
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...
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GroupBy ( items, callbackfn, coercion )
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6. Repeat,
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g. If coercion is property, then
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i. Set key to Completion(ToPropertyKey(key)).
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ii. IfAbruptCloseIterator(key, iteratorRecord).
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...
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includes: [compareArray.js]
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features: [array-grouping]
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---*/
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let calls = 0;
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const stringable = {
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toString: function toString() {
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return 1;
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}
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}
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const array = [1, '1', stringable];
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const obj = Object.groupBy(array, function (v) { return v; });
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assert.compareArray(Object.keys(obj), ['1']);
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assert.compareArray(obj['1'], [1, '1', stringable]);
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