24 lines
571 B
JavaScript
24 lines
571 B
JavaScript
'use strict';
|
|
|
|
var $TypeError = require('es-errors/type');
|
|
var isObject = require('es-object-atoms/isObject');
|
|
|
|
var Get = require('./Get');
|
|
var IsCallable = require('./IsCallable');
|
|
|
|
// https://262.ecma-international.org/6.0/#sec-ordinaryhasinstance
|
|
|
|
module.exports = function OrdinaryHasInstance(C, O) {
|
|
if (!IsCallable(C)) {
|
|
return false;
|
|
}
|
|
if (!isObject(O)) {
|
|
return false;
|
|
}
|
|
var P = Get(C, 'prototype');
|
|
if (!isObject(P)) {
|
|
throw new $TypeError('OrdinaryHasInstance called on an object with an invalid prototype property.');
|
|
}
|
|
return O instanceof C;
|
|
};
|