17 lines
510 B
JavaScript
17 lines
510 B
JavaScript
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function isObjectLike(value) {
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return typeof value === 'object' && value !== null;
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}
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export default function isObject(input) {
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if (!isObjectLike(input) || Object.prototype.toString.call(input) !== '[object Object]') {
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return false;
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}
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if (Object.getPrototypeOf(input) === null) {
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return true;
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}
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let proto = input;
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while (Object.getPrototypeOf(proto) !== null) {
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proto = Object.getPrototypeOf(proto);
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}
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return Object.getPrototypeOf(input) === proto;
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}
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