A quick script to generate a JSON blob of dependencies with license info from Bower/NPM.

dependency-list-generator

var fs = require('fs');
var npm = require('npm');
var bower = require('bower');
var Q = require('q');

var npmConfig = JSON.parse(fs.readFileSync('package.json'));
var bowerConfig = JSON.parse(fs.readFileSync('bower.json'));

function gatherNpmInfo(dependencies) {

    dependencies = dependencies || {};

    var dfd = new Q.defer();

    npm.load(function(er) {

        var promises = Object.keys(npmConfig.dependencies).map(function(packageName) {

            var pDfd = new Q.defer();

            var packageInfo = {
                name: packageName
            };

            npm.commands.view([packageName, 'description', 'license', 'repository'], true, function(err, data) {

                if(err) {
                    return pDfd.resolve();
                }

                var versionKey = Object.keys(data)[0]
                var metaData = data[versionKey];

                packageInfo.description = metaData.description || '';

                if(metaData.license) {
                    packageInfo.license = typeof metaData.license === 'string' ? metaData.license : metaData.license.type
                }

                if(metaData.repository) {
                    packageInfo.repository = metaData.repository.url;
                }

                dependencies[packageName] = packageInfo

                pDfd.resolve();

            });



            return pDfd.promise;

        });

        Q.all(promises).then(function() {

            var array = Object.keys(dependencies).map(function(key) {
                return dependencies[key];
            })

            dfd.resolve(array);
        })

    });

    return dfd.promise;

}

function gatherBowerInfo(dependencies) {

    dependencies = dependencies || {};

    var dfd = new Q.defer();
    var promises = Object.keys(bowerConfig.dependencies).map(function(packageName) {

        var pDfd = new Q.defer();

        var packageInfo = {
            name: packageName
        };

        var command = bower.commands.search(packageName, {});
        command.on('end', function (data) {

            data = data[0];

            if(data.url) {
                packageInfo.repository = data.url;
            }

            dependencies[packageName] = packageInfo

            pDfd.resolve();
        });

        command.on('error', function (error) {
            return pDfd.resolve();
        });

        return pDfd.promise;

    });

    Q.all(promises).then(function() {

        var array = Object.keys(dependencies).map(function(key) {
            return dependencies[key];
        })

        dfd.resolve(array);
    })

    return dfd.promise;

}

gatherNpmInfo().then(function(npsDeps) {

    gatherBowerInfo(npsDeps).then(function(deps) {
        console.log(JSON.stringify(deps, null, 4));
    })

});