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