source: imaps-frontend/node_modules/es-abstract/2018/InstanceofOperator.js@ 79a0317

'use strict';

var GetIntrinsic = require('get-intrinsic');

var $TypeError = require('es-errors/type');

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 isObject = require('../helpers/isObject');

// https://262.ecma-international.org/6.0/#sec-instanceofoperator

module.exports = function InstanceofOperator(O, C) {
        if (!isObject(O)) {
                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);
};