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26 lines
633 B
JavaScript
26 lines
633 B
JavaScript
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'use strict';
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var GetIntrinsic = require('../GetIntrinsic');
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var $TypeError = GetIntrinsic('%TypeError%');
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var Get = require('./Get');
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var IsCallable = require('./IsCallable');
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var Type = require('./Type');
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// https://www.ecma-international.org/ecma-262/6.0/#sec-ordinaryhasinstance
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module.exports = function OrdinaryHasInstance(C, O) {
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if (IsCallable(C) === false) {
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return false;
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}
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if (Type(O) !== 'Object') {
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return false;
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}
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var P = Get(C, 'prototype');
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if (Type(P) !== 'Object') {
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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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