19 lines
487 B
Plaintext
19 lines
487 B
Plaintext
'use strict';
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var $TypeError = require('es-errors/type');
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var isObject = require('es-object-atoms/isObject');
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var isPropertyKey = require('../helpers/isPropertyKey');
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// https://262.ecma-international.org/6.0/#sec-hasproperty
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module.exports = function HasProperty(O, P) {
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if (!isObject(O)) {
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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 P in O;
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};
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