outdated.js

#!/usr/bin/env node
var npm = require('npm');

npm.load('./package.json', function () {
  npm.outdated(function (err, outdated) {
    if (outdated.length > 0) {
      outdated.forEach(function (p) {
        console.log(p[1] + '\t' + p[2] + ' => ' + p[3]);
      });
      process.exit(1);
    } else {
      process.exit(0);
    }
  });
});