Edit File: InstanceofOperator.js
'use strict'; var GetIntrinsic = require('get-intrinsic'); var $TypeError = GetIntrinsic('%TypeError%'); var $hasInstance = GetIntrinsic('Symbol.hasInstance', true); var Call = require('./Call'); var GetMethod = require('./GetMethod'); var IsCallable = require('./IsCallable'); var OrdinaryHasInstance = require('./OrdinaryHasInstance'); var ToBoolean = require('./ToBoolean'); var Type = require('./Type'); // https://ecma-international.org/ecma-262/6.0/#sec-instanceofoperator module.exports = function InstanceofOperator(O, C) { if (Type(O) !== 'Object') { throw new $TypeError('Assertion failed: Type(O) is not Object'); } var instOfHandler = $hasInstance ? GetMethod(C, $hasInstance) : void 0; if (typeof instOfHandler !== 'undefined') { return ToBoolean(Call(instOfHandler, C, [O])); } if (!IsCallable(C)) { throw new $TypeError('`C` is not Callable'); } return OrdinaryHasInstance(C, O); };
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