28 lines
935 B
Plaintext
28 lines
935 B
Plaintext
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const objConstructorString = Function.prototype.toString.call(Object);
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function isPlainObject(value) {
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//base object
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if (typeof value !== 'object' ||
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value === null ||
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Object.prototype.toString.call(value) !== '[object Object]') {
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return false;
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}
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//get the prototype
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const proto = Object.getPrototypeOf(value);
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//no prototype === all good
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if (proto === null) {
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return true;
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}
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//has own prop 'constructor'
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if (!Object.prototype.hasOwnProperty.call(proto, 'constructor')) {
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return false;
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}
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// validate that the constructor is `Object`
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return (typeof proto.constructor === 'function' &&
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proto.constructor instanceof proto.constructor &&
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Function.prototype.toString.call(proto.constructor) === objConstructorString);
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}
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exports.default = isPlainObject;
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;
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