listDependencies.js

'use strict';

const cp = require('child_process');

function readDependencies(done) {

  const compileCP = cp.spawn('npm', ['ls', '--json', '--long', '--prod']);
  const errors = [];
  const chunks = [];
  compileCP.stderr.on('data', errors.push.bind(errors));
  compileCP.stdout.on('data', chunks.push.bind(chunks));

  compileCP.on('close', function (code) {
    if (code || errors.length) {
      return done(new Error(Buffer.concat(errors).toString()));
    }
    return done(null, Buffer.concat(chunks).toString());
  });
}

readDependencies(function(err, data) {
  if (err) { throw err; }

  const allDeps  = {};
  const jsonData = JSON.parse(data);
  walkDependencies(jsonData, allDeps);
  console.log(['name', 'tb', 'description', 'repository', 'license'].join(';'));

  const sk = Object.keys(allDeps).sort();
  for (let keys of sk) {
    let d = allDeps[keys];
    console.log([d.name, d.tb, d.description, d.repository, d.license].join(';'));
  }
});


function walkDependencies(o, allDeps) {
  for (let k of Object.keys(o.dependencies)) {
    const oo = o.dependencies[k];
    if (!allDeps[k]) {
      allDeps[k] = {
        name        : oo.name,
        tb          : oo.dist && oo.dist.tarball,
        description : oo.description,
        repository  : oo.repository && oo.repository.url,
        license     : oo.license
      };
    } else {
      allDeps[k].name        = allDeps[k].name        || oo.name;
      allDeps[k].tb          = allDeps[k].tb          || oo.dist && oo.dist.tarball;
      allDeps[k].description = allDeps[k].description || oo.description;
      allDeps[k].repository  = allDeps[k].repository  || oo.repository && oo.repository.url;
      allDeps[k].license     = allDeps[k].license     || oo.license;
    }
    walkDependencies(o.dependencies[k], allDeps);
  }

}