NPM Get Version

Small utility to get the version of an npm package going back N versions from a specified tag. Can be used via command line or api. Will invoke npm info to get package information. Assumes npm executable is available (should be on the PATH).

Command line syntax for specifying desired package and version:

npm-get-version <package_name>@<tag>~<N>

Where N specifies the number of versions back. Pre-release versions are ignored when invoked from command line. Will return:

<package_name>@<version>

Example:

npm-get-version babel@latest~3
babel@6.5.0

Usage via api example:

const {convertNpmVersion} = require('npm-get-version');
console.log(convertNpmVersion('babel@latest~3')); // babel@6.5.0

Installation

Install locally:

npm install npm-get-version

Or install globally:

npm install -g npm-get-version

Note: Node 6.10 or higher runtime required.