hexo/node_modules/es-abstract/2021/LengthOfArrayLike.js

21 lines
515 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var Get = require('./Get');
var ToLength = require('./ToLength');
var Type = require('./Type');
// https://262.ecma-international.org/11.0/#sec-lengthofarraylike
module.exports = function LengthOfArrayLike(obj) {
if (Type(obj) !== 'Object') {
throw new $TypeError('Assertion failed: `obj` must be an Object');
}
return ToLength(Get(obj, 'length'));
};
// TODO: use this all over