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Versions: 27
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Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var callBound = require('call-bind/callBound');
var $TypeError = GetIntrinsic('%TypeError%');
var DeletePropertyOrThrow = require('./DeletePropertyOrThrow');
var Get = require('./Get');
var HasProperty = require('./HasProperty');
var Set = require('./Set');
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/13.0/#sec-sortindexedproperties
module.exports = function SortIndexedProperties(obj, len, SortCompare) {
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');
}
var items = []; // step 1
var k = 0; // step 2
while (k < len) { // step 3
var Pk = ToString(k);
var kPresent = HasProperty(obj, Pk);
if (kPresent) {
var kValue = Get(obj, Pk);
$push(items, kValue);
}
k += 1;
}
var itemCount = items.length; // step 4
$sort(items, SortCompare); // step 5
var j = 0; // step 6
while (j < itemCount) { // step 7
Set(obj, ToString(j), items[j], true);
j += 1;
}
while (j < len) { // step 8
DeletePropertyOrThrow(obj, ToString(j));
j += 1;
}
return obj; // step 9
};
Version data entries
27 entries across 27 versions & 2 rubygems