check_azer.js

'use strict';

var https = require('https');
var exec = require('child_process').exec;

var deletedPackageNamesUrl = 'https://gist.githubusercontent.com/azer/db27417ee84b5f34a6ea/raw/50ab7ef26dbde2d4ea52318a3590af78b2a21162/gistfile1.txt';

https.get(deletedPackageNamesUrl, function (res) {
  var body = '';

  res.on('data', function (chunk) {
    body += chunk;
  });

  res.on('end', function () {
    var deletedPackageNames = body.split('\n');

    exec('npm ls --parseable', function (error, stdout, stderr) {
      var lines = stdout.split('\n');

      for (var i = 0; lines.length > i; i++) {
        var line = lines[i];
        var splittedPath = line.split('/');

        if (splittedPath[splittedPath.length - 2] === 'node_modules') {
          var packageName = splittedPath[splittedPath.length - 1];

          for (var j = 0; deletedPackageNames.length > j; j++) {
            var deletedPackageName = deletedPackageNames[j];

            if (packageName === deletedPackageName) {
              console.log(packageName + ' may be unpublished.');
            }
          }
        }
      }
    });
  });
});