biobulkbende.org/node_modules/es-abstract/2016/OrdinaryHasInstance.js
2020-09-16 14:23:28 +02:00

26 lines
633 B
JavaScript
Generated

'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var Get = require('./Get');
var IsCallable = require('./IsCallable');
var Type = require('./Type');
// https://www.ecma-international.org/ecma-262/6.0/#sec-ordinaryhasinstance
module.exports = function OrdinaryHasInstance(C, O) {
if (IsCallable(C) === false) {
return false;
}
if (Type(O) !== 'Object') {
return false;
}
var P = Get(C, 'prototype');
if (Type(P) !== 'Object') {
throw new $TypeError('OrdinaryHasInstance called on an object with an invalid prototype property.');
}
return O instanceof C;
};