Sha256: 4f94aac6f34b55e613a2a61c081f0fcdcc32becdada23175f0d81ce84d9addb8
Contents?: true
Size: 1.29 KB
Versions: 27
Compression:
Stored size: 1.29 KB
Contents
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var Call = require('./Call');
var IsLessThan = require('./IsLessThan');
var ToNumber = require('./ToNumber');
var ToString = require('./ToString');
var isNaN = require('../helpers/isNaN');
// https://262.ecma-international.org/14.0/#sec-comparearrayelements
module.exports = function CompareArrayElements(x, y, compareFn) {
if (typeof compareFn !== 'function' && typeof compareFn !== 'undefined') {
throw new $TypeError('Assertion failed: `compareFn` must be a function or undefined');
}
if (typeof x === 'undefined' && typeof y === 'undefined') {
return 0; // step 1
}
if (typeof x === 'undefined') {
return 1; // step 2
}
if (typeof y === 'undefined') {
return -1; // step 3
}
if (typeof compareFn !== 'undefined') { // step 4
var v = ToNumber(Call(compareFn, void undefined, [x, y])); // step 4.a
if (isNaN(v)) {
return 0; // step 4.b
}
return v; // step 4.c
}
var xString = ToString(x); // step 5
var yString = ToString(y); // step 6
var xSmaller = IsLessThan(xString, yString, true); // step 7
if (xSmaller) {
return -1; // step 8
}
var ySmaller = IsLessThan(yString, xString, true); // step 9
if (ySmaller) {
return 1; // step 10
}
return 0; // step 11
};
Version data entries
27 entries across 27 versions & 2 rubygems