is-install-needed

is-install-needed

This is a simple tool that checks if the lock file has changed (supports both Yarn and npm) so you know if you need to run install.

Installation

npm

$ npm install -g is-install-needed

yarn

$ yarn global add is-install-needed

Usage

CLI

$ is-install-needed

By default it looks for both yarn.lock and package-lock.json.

Flag	Description
--yarn	Only look for yarn.lock
--npm	Only look for package-lock.json

Programmatic API

import { isInstallNeeded } from 'is-install-needed';

async function check() {
  const isNeeded = await isInstallNeeded('./yarn.lock', '.lockhash');
  if (result) {
    // Install packages
  }
}