# semver-diff

> Get the diff type of two semver versions: 0.0.1 0.0.2 → patch

Latest version **5.0.0** (published 2025-09-15) · MIT license · 0 weekly downloads

> **Deprecated.** This package is deprecated.

## Install

```sh
npm install semver-diff
pnpm add semver-diff
yarn add semver-diff
bun add semver-diff
```

## Health

**Score 10/100 (F)** — status: deprecated.

Negative: deprecated.

## Facts

| | |
|---|---|
| Version | 5.0.0 |
| Published | 2025-09-15 |
| First published | 2014-05-03 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM |
| Node | >=12 |
| Dependencies | 1 |
| Unpacked size | 4.7 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 69 |
| Author | Sindre Sorhus |
| Maintainers | sindresorhus |
| Keywords | semver, version, semantic, diff, difference |

## Links

- npm: https://www.npmjs.com/package/semver-diff
- Repository: https://github.com/sindresorhus/semver-diff
- Homepage: https://github.com/sindresorhus/semver-diff#readme
- Issues: https://github.com/sindresorhus/semver-diff/issues
- Funding: https://github.com/sponsors/sindresorhus
- npm.io page: https://npm.io/package/semver-diff

## Dependencies (1)

- [semver](https://npm.io/package/semver.md) ^7.3.5

## Recent versions

- 5.0.0 (latest) — 2025-09-15
- 4.0.0 — 2021-05-03
- 3.1.1 — 2019-10-14
- 3.1.0 — 2019-05-30
- 3.0.0 — 2019-04-26
- 2.1.0 — 2015-11-14
- 2.0.0 — 2014-09-29
- 1.0.0 — 2014-08-02
- 0.1.0 — 2014-05-03

## README

# semver-diff

> Get the diff type of two [semver](https://github.com/npm/node-semver) versions: `0.0.1 0.0.2` → `patch`

> [!NOTE]
> Deprecated because the `semver` package now supports this built-in.

## Install

```sh
npm install semver-diff
```

## Usage

```js
import semverDiff from 'semver-diff';

semverDiff('1.1.1', '1.1.2');
//=> 'patch'

semverDiff('1.1.1-foo', '1.1.2');
//=> 'prepatch'

semverDiff('0.0.1', '1.0.0');
//=> 'major'

semverDiff('0.0.1-foo', '1.0.0');
//=> 'premajor'

semverDiff('0.0.1', '0.1.0');
//=> 'minor'

semverDiff('0.0.1-foo', '0.1.0');
//=> 'preminor'

semverDiff('0.0.1-foo', '0.0.1-foo.bar');
//=> 'prerelease'

semverDiff('0.1.0', '0.1.0+foo');
//=> 'build'

semverDiff('0.0.1', '0.0.1');
//=> undefined

semverDiff('0.0.2', '0.0.1');
//=> undefined
```

## API

### semverDiff(versionA, versionB)

Returns the difference type between two semver versions, or `undefined` if they are identical or the second one is lower than the first.

Possible values:

- `'major'`,
- `'premajor'`,
- `'minor'`,
- `'preminor'`,
- `'patch'`,
- `'prepatch'`,
- `'prerelease'`,
- `'build'`,
- `undefined`

## Related

- [latest-semver](https://github.com/sindresorhus/latest-semver) - Get the latest stable semver version from an array of versions
- [to-semver](https://github.com/sindresorhus/to-semver) - Get an array of valid, sorted, and cleaned semver versions from an array of strings
- [semver-regex](https://github.com/sindresorhus/semver-regex) - Regular expression for matching semver versions
- [semver-truncate](https://github.com/sindresorhus/semver-truncate) - Truncate a semver version: `1.2.3` → `1.2.0`

---
_Source: https://npm.io/package/semver-diff · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._