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Last change
on this file was a762898, checked in by istevanoska <ilinastevanoska@…>, 5 months ago |
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Added visualizations
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Property mode
set to
100644
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File size:
851 bytes
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| 1 | function isPlainObject(object) {
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| 2 | if (typeof object !== 'object') {
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| 3 | return false;
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| 4 | }
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| 5 | if (object == null) {
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| 6 | return false;
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| 7 | }
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| 8 | if (Object.getPrototypeOf(object) === null) {
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| 9 | return true;
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| 10 | }
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| 11 | if (Object.prototype.toString.call(object) !== '[object Object]') {
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| 12 | const tag = object[Symbol.toStringTag];
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| 13 | if (tag == null) {
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| 14 | return false;
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| 15 | }
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| 16 | const isTagReadonly = !Object.getOwnPropertyDescriptor(object, Symbol.toStringTag)?.writable;
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| 17 | if (isTagReadonly) {
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| 18 | return false;
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| 19 | }
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| 20 | return object.toString() === `[object ${tag}]`;
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| 21 | }
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| 22 | let proto = object;
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| 23 | while (Object.getPrototypeOf(proto) !== null) {
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| 24 | proto = Object.getPrototypeOf(proto);
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| 25 | }
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| 26 | return Object.getPrototypeOf(object) === proto;
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| 27 | }
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| 28 |
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| 29 | export { isPlainObject };
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