npm-cmd

An API to execute npm commands programmatically.

Installation

npm install --save npm-cmd

Usage

var npm = require('npm-cmd');

npm.install(['express', 'cookie-parser'], {save: true, cwd: '/tmp'}, function(err) {
  if (err) {
    console.log('Installation failed.');
  } else {
    console.log('Installation succeeded!'); 
  }       
});

API

Methods

.install(pkgs, opts, done)

Run npm install where:

• pkgs is an array of packages to install - optional

• opts is an object of key-value pairs - optional

• opts.global whether npm should install

• opts.save whether npm should save the packages to the dependencies key in package.json

• opts.saveDev whether npm should save the packages to the devDependencies key in package.json

• opts.registry the registry which npm should source package information from

• done is a function called when the command has finished - optional

.dedupe(pkgs, opts, done)

Run npm dedupe where:

• pkgs is an array of packages to dedupe - optional
• opts is an object of key-value pairs - optional
• done is a function called when the command has finished - optional

Options

Global options accepted by all commands:

• opts.cwd is the directory where the command will be run