21 lines
509 B
Plaintext
21 lines
509 B
Plaintext
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'use strict';
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var $TypeError = require('es-errors/type');
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var hasOwn = require('hasown');
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var IsPropertyKey = require('./IsPropertyKey');
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var Type = require('./Type');
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// https://262.ecma-international.org/6.0/#sec-hasownproperty
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module.exports = function HasOwnProperty(O, P) {
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if (Type(O) !== 'Object') {
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throw new $TypeError('Assertion failed: `O` must be an Object');
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}
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if (!IsPropertyKey(P)) {
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throw new $TypeError('Assertion failed: `P` must be a Property Key');
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}
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return hasOwn(O, P);
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};
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