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