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