Home Node.js Reference npm scripts

npm scripts

command

Define custom commands in package.json that can be run with npm run. Common scripts: start, dev, build, test.

Syntax

"scripts": { "start": "node app.js" }

Example

javascript

// package.json
{
    "scripts": {
        "start":   "node server.js",
        "dev":     "nodemon server.js",
        "build":   "webpack --mode production",
        "test":    "jest --coverage",
        "lint":    "eslint src/",
        "format":  "prettier --write src/"
    }
}

// Run scripts
// npm start
// npm run dev
// npm test

Streams