3.6 KiB
default-compare
Basic sort algorithm that has similar behavior to Array.prototype.sort for null and undefined, but also allows sorting by an object property.
Install
Install with npm:
$ npm install --save default-compare
Install with yarn:
$ yarn add default-compare
Usage
var defaultCompare = require('default-compare');
basic array
var arr = ['c', 'a', undefined, 'b', 'd', null, 'e'];
console.log(arr.sort(defaultCompare));
//=> ['a', 'b', 'c', 'd', 'e', null, undefined]
objects sorted by their "name" property
var arr = [
{name: 'c', title: 'C'},
{name: 'a', title: 'A'},
{title: 'G'},
{name: 'b', title: 'B'},
{name: 'd', title: 'D'},
{name: null, title: 'F'},
{name: 'e', title: 'E'}
];
arr.sort(function(a, b) {
return defaultCompare(a, b, 'name');
});
console.log(arr);
//=> [
//=> {name: 'a', title: 'A'},
//=> {name: 'b', title: 'B'},
//=> {name: 'c', title: 'C'},
//=> {name: 'd', title: 'D'},
//=> {name: 'e', title: 'E'},
//=> {name: null, title: 'F'},
//=> {title: 'G'}
//=> ];
API
defaultCompare
Basic sort algorithm that has similar behavior to Array.prototype.sort
for null and undefined, but also allows sorting by an object property.
Params
a
{Mixed}: First value to compare.b
{Mixed}: Second value to compare.prop
{String}: Optional property to use when comparing objects. If specified must be a string.returns
{Number}: Returns 1 whena
should come afterb
, -1 whena
should come beforeb
, and 0 whena
andb
are equal.
About
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Please read the contributing guide for advice on opening issues, pull requests, and coding standards.
Building docs
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verb
Running tests
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
$ npm install && npm test
Author
Brian Woodward
License
Copyright © 2017, Brian Woodward. Released under the MIT License.
This file was generated by verb-generate-readme, v0.6.0, on September 11, 2017.