The 'at-least-node' package is designed to ensure that a Node.js application or script is running on a minimum specified version of Node.js. It is particularly useful for developers who want to enforce a version requirement for their applications, preventing the application from running if the Node.js environment does not meet the specified minimum version. This can help avoid unexpected behavior or errors caused by using features that are not supported in older versions of Node.js.

What are at-least-node's main functionalities?

Version Checking

This feature allows developers to specify a minimum Node.js version requirement. The code example checks if the current Node.js version is at least version 10.0.0. If the version is older, the script will throw an error and prevent the application from running.

require('at-least-node')('10.0.0');

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at-least-node

npm node NPM

Sometimes you need to check if you're on at least a given Node.js version, but you don't want to pull in the whole semver kitchen sink. That's what at-least-node is for.

Package	Size
`at-least-node`	2.6 kB
`semver`	75.5 kB

const atLeastNode = require('at-least-node')
atLeastNode('10.12.0')
// -> true on Node 10.12.0+, false on anything below that

When passing in a version string:

You cannot include a leading v (i.e. v10.12.0)
You cannot omit sections (i.e. 10.12)
You cannot use pre-releases (i.e. 1.0.0-beta)
There is no input validation, if you make a mistake, the resulting behavior is undefined

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Last updated on 01 Feb 2020

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