npm-restart

View documentation for the original command

$ tldr npm run

`npm restart`
(often augmented with custom pre/post scripts)

The `npm-restart` command is not a standard Linux command. It is typically provided by a package or script within a Node.js project's ecosystem and relies on `npm` (Node Package Manager). It's designed to restart Node.js applications managed by process managers such as `pm2`, `nodemon`, or `forever`. The specific functionality depends entirely on how it's implemented in the project's `package.json` file or custom script. Often, it involves stopping the existing process and then starting a new instance.

The command simplifies the restart process, abstracting away the underlying process manager's commands and potentially incorporating pre-restart or post-restart actions. It is crucial to understand that there's no universal `npm-restart` and that the implementation varies from project to project. Users should consult the project's `package.json` or documentation to understand its precise behavior. Without further information, it's impossible to provide concrete technical details beyond its general purpose.

The behavior of `npm-restart` is entirely dependent on the project's configuration. It may not work as expected if no process manager is configured, or if the `restart` script is not properly defined in `package.json`. It's not a native Linux command, but a function defined within a Node.js project.

Example of how `npm restart` might be defined in a `package.json`:

{ "scripts": { "start": "node index.js", "restart": "pm2 restart index.js" } }

In this case, `npm restart` would execute `pm2 restart index.js`.

The concept of `npm-restart` arose from the need to easily manage and restart Node.js applications. As Node.js adoption increased, process managers like `pm2`, `nodemon`, and `forever` became popular for ensuring application uptime. To simplify restarts and avoid directly interacting with these managers, developers began using `npm` scripts. A 'restart' script would invoke the relevant process manager commands. This approach promoted consistency and simplified the development workflow.

npm(1), pm2(1), nodemon(1), forever(1)