Node.js NPM Scripts

What are NPM Scripts?

NPM scripts are commands you define in your package.json file to automate tasks like:

Running your app

Testing

Building

Cleaning up files

They make it easy to manage common tasks with simple commands. Defining Scripts in package.json Inside package.json, the scripts section lets you name and define commands:

{
"scripts": {
"start": "node index.js",
"test": "echo \"Running tests...\" && exit 0",
"dev": "nodemon index.js"
}
}

Formula

Each script can be run from the command line using npm run < script - name >.

Running NPM Scripts

To run a script, use: npm run dev For the special start script, you can just use: npm start

And for test

npm test

Common Uses for NPM Scripts

Start your app

Run tests

Use tools like nodemon or webpack

Build or bundle your code

Lint or format your code

Summary

NPM scripts help automate and simplify project tasks. Define them in package.json and run them easily with npm.

Node.js package.json

Node.js Managing Dependencies

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Node.js•Module Basics