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23 lines
571 B
23 lines
571 B
'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 Get = require('./Get'); |
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var IsCallable = require('./IsCallable'); |
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// https://262.ecma-international.org/6.0/#sec-ordinaryhasinstance |
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module.exports = function OrdinaryHasInstance(C, O) { |
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if (!IsCallable(C)) { |
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return false; |
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} |
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if (!isObject(O)) { |
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return false; |
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} |
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var P = Get(C, 'prototype'); |
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if (!isObject(P)) { |
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throw new $TypeError('OrdinaryHasInstance called on an object with an invalid prototype property.'); |
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} |
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return O instanceof C; |
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};
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