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https://github.com/lukeed/semiver
A tiny (153B) utility to compare semver strings.
https://github.com/lukeed/semiver
Last synced: 28 days ago
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A tiny (153B) utility to compare semver strings.
- Host: GitHub
- URL: https://github.com/lukeed/semiver
- Owner: lukeed
- License: mit
- Created: 2019-05-19T01:14:21.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2024-07-04T11:55:41.000Z (5 months ago)
- Last Synced: 2024-11-11T17:50:28.902Z (about 1 month ago)
- Language: JavaScript
- Homepage:
- Size: 10.7 KB
- Stars: 123
- Watchers: 3
- Forks: 6
- Open Issues: 2
-
Metadata Files:
- Readme: readme.md
- License: license
Awesome Lists containing this project
- awesome-crafted-nodejs - semiver - A tiny (153B) utility to compare semver strings. (Packages / Others)
- awesome-list - semiver
README
# semiver [](https://travis-ci.org/lukeed/semiver)
> A tiny (187B) utility to compare semver strings.
Compare semver strings (eg, `1.8.2`, `2.0.0-next.6`, `0.0.0-alpha-1`, etc) using the [`Intl.Collator`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Collator) class.
Version suffixes are supported and are considered during comparison.
The output will always be `0`, `1`, or `-1`, allowing `semiver` to be used directly as a compare function for [`Array.sort()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort).
This module exposes three module definitions:
* **ES Module**: `dist/semiver.mjs`
* **CommonJS**: `dist/semiver.js`
* **UMD**: `dist/semiver.min.js`
## Install
```
$ npm install --save semiver
```
## Usage
```js
import semiver from 'semiver';
// A === B
semiver('0.0.0', '0.0.0'); //=> 0
semiver('1.2.3', '1.2.3'); //=> 0
// A > B
semiver('2.1.0', '1.9.0'); //=> 1
semiver('1.9.1', '1.9.0'); //=> 1
semiver('10.0.0', '1.0.0'); //=> 1
semiver('10.0.0', '8.9.0'); //=> 1
semiver('1.2.3-next.10', '1.2.3-next.6'); //=> 1
semiver('2.0.0-alpha-10', '2.0.0-alpha-6'); //=> 1
semiver('2.0.0-beta.1', '2.0.0-alpha.8'); //=> 1
// A < B
semiver('1.9.0', '2.1.0'); //=> -1
semiver('1.9.0', '1.9.1'); //=> -1
semiver('1.0.0', '10.0.0'); //=> -1
semiver('8.9.0', '10.0.0'); //=> -1
semiver('1.2.3-next.6', '1.2.3-next.10'); //=> -1
semiver('2.0.0-alpha-6', '2.0.0-alpha-10'); //=> -1
semiver('2.0.0-alpha.8', '2.0.0-beta.1'); //=> -1
// Sorting
[
'4.11.6', '4.2.0',
'1.5.19', '1.5.5',
'1.0.0', '1.0.0-rc.1',
'1.2.3', '1.2.3-alpha',
'1.0.0-alpha.1', '1.0.0-alpha',
'1.0.0-beta.11', '1.0.0-beta'
].sort(semiver);
/*
[ '1.0.0-alpha',
'1.0.0-alpha.1',
'1.0.0-beta',
'1.0.0-beta.11',
'1.0.0-rc.1',
'1.0.0',
'1.2.3-alpha',
'1.2.3',
'1.5.5',
'1.5.19',
'4.2.0',
'4.11.6' ]
*/
```
## API
### semiver(a, b)
Returns: `Number`
* `0` indicates that `a` is equal to `b`
* `-1` indicates that `a` is less than `b`
* `1` indicates that `a` is greater than `b`
#### a
Type: `String`
The input string to compare.
#### b
Type: `String`
The string to compare against.
## License
MIT © [Luke Edwards](https://lukeed.com)