53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
'use strict';
|
|
|
|
var GetIntrinsic = require('get-intrinsic');
|
|
var callBound = require('call-bind/callBound');
|
|
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
|
|
|
var Get = require('./Get');
|
|
var HasProperty = require('./HasProperty');
|
|
var ToString = require('./ToString');
|
|
var Type = require('./Type');
|
|
|
|
var isAbstractClosure = require('../helpers/isAbstractClosure');
|
|
var isInteger = require('../helpers/isInteger');
|
|
|
|
var $push = callBound('Array.prototype.push');
|
|
var $sort = callBound('Array.prototype.sort');
|
|
|
|
// https://262.ecma-international.org/14.0/#sec-sortindexedproperties
|
|
|
|
module.exports = function SortIndexedProperties(obj, len, SortCompare, holes) {
|
|
if (Type(obj) !== 'Object') {
|
|
throw new $TypeError('Assertion failed: Type(obj) is not Object');
|
|
}
|
|
if (!isInteger(len) || len < 0) {
|
|
throw new $TypeError('Assertion failed: `len` must be an integer >= 0');
|
|
}
|
|
if (!isAbstractClosure(SortCompare) || SortCompare.length !== 2) {
|
|
throw new $TypeError('Assertion failed: `SortCompare` must be an abstract closure taking 2 arguments');
|
|
}
|
|
if (holes !== 'skip-holes' && holes !== 'read-through-holes') {
|
|
throw new $TypeError('Assertion failed: `holes` must be either `skip-holes` or `read-through-holes`');
|
|
}
|
|
|
|
var items = []; // step 1
|
|
|
|
var k = 0; // step 2
|
|
|
|
while (k < len) { // step 3
|
|
var Pk = ToString(k);
|
|
var kRead = holes === 'skip-holes' ? HasProperty(obj, Pk) : true; // step 3.b - 3.c
|
|
if (kRead) { // step 3.d
|
|
var kValue = Get(obj, Pk);
|
|
$push(items, kValue);
|
|
}
|
|
k += 1; // step 3.e
|
|
}
|
|
|
|
$sort(items, SortCompare); // step 4
|
|
|
|
return items; // step 5
|
|
};
|