The semver-diff npm package is a utility for comparing two semantic version numbers and determining the type of version difference between them. It can identify whether the change is a major, minor, patch, pre-release, or build difference.

What are semver-diff's main functionalities?

Version difference identification

This feature allows you to compare two semantic version numbers and determine the type of change. The code sample demonstrates how to use semver-diff to compare versions '1.0.0' and '2.0.0', which would log 'major' as the type of version difference.

"use strict";
const semverDiff = require('semver-diff');

const diffType = semverDiff('1.0.0', '2.0.0');
console.log(diffType); // 'major'"

Other packages similar to semver-diff

Readme

Source

semver-diff

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

Install

$ npm install semver-diff

Usage

const semverDiff = require('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're identical or the second one is lower than the first.

Possible values: 'major', 'premajor', 'minor', 'preminor', 'patch', 'prepatch', 'prerelease', 'build', undefined.

latest-semver - Get the latest stable semver version from an array of versions
to-semver - Get an array of valid, sorted, and cleaned semver versions from an array of strings
semver-regex - Regular expression for matching semver versions
semver-truncate - Truncate a semver version: 1.2.3 → 1.2.0

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Last updated on 14 Oct 2019

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