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- 'use strict';
- var $TypeError = require('es-errors/type');
- var isObject = require('es-object-atoms/isObject');
- var $getProto = require('get-proto');
- // https://262.ecma-international.org/7.0/#sec-ordinarygetprototypeof
- module.exports = function OrdinaryGetPrototypeOf(O) {
- if (!isObject(O)) {
- throw new $TypeError('Assertion failed: O must be an Object');
- }
- if (!$getProto) {
- throw new $TypeError('This environment does not support fetching prototypes.');
- }
- return $getProto(O);
- };
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