blob: 51abe26d504116b1089ba16c881fcca75e2e9284 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
'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;
};
|
