21 lines
679 B
JavaScript
21 lines
679 B
JavaScript
'use strict';
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Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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const isSymbol = require('../predicate/isSymbol.js');
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const regexIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/;
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const regexIsPlainProp = /^\w*$/;
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function isKey(value, object) {
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if (Array.isArray(value)) {
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return false;
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}
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if (typeof value === 'number' || typeof value === 'boolean' || value == null || isSymbol.isSymbol(value)) {
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return true;
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}
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return ((typeof value === 'string' && (regexIsPlainProp.test(value) || !regexIsDeepProp.test(value))) ||
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(object != null && Object.hasOwn(object, value)));
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}
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exports.isKey = isKey;
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