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Last change
on this file was a762898, checked in by istevanoska <ilinastevanoska@…>, 5 months ago |
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File size:
576 bytes
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| 1 | import { isSymbol } from '../predicate/isSymbol.mjs';
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| 2 |
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| 3 | const regexIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/;
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| 4 | const regexIsPlainProp = /^\w*$/;
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| 5 | function isKey(value, object) {
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| 6 | if (Array.isArray(value)) {
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| 7 | return false;
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| 8 | }
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| 9 | if (typeof value === 'number' || typeof value === 'boolean' || value == null || isSymbol(value)) {
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| 10 | return true;
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| 11 | }
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| 12 | return ((typeof value === 'string' && (regexIsPlainProp.test(value) || !regexIsDeepProp.test(value))) ||
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| 13 | (object != null && Object.hasOwn(object, value)));
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| 14 | }
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| 15 |
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| 16 | export { isKey };
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