List all dependencies for given entry points

findDependencies.js

var detective = require('detective');
var fs = require('fs');
var _ = require('lodash');
var path = require('path');
var resolve = require('resolve');
 
var toProcess = [{name: './index.js', basedir: __dirname}];
var entries = {};

while (toProcess.length) {
	var next = toProcess.pop();
	var requireName = next.name;
	var basedir = next.basedir;
	var filePath = resolve.sync(requireName, {basedir: basedir, extensions: [ '.js', '.jsx', '.json' ]});
	if (!resolve.isCore(filePath) && 
		!entries[filePath])
	{
		entries[filePath] = true;
		var isJs = ['.js', '.jsx']
			.reduce(
				function(acc, ext) {
					return acc || endsWith(filePath, ext);
				},
				false
			);
		if (isJs) {
			var src = fs.readFileSync(filePath);
			var requires = detective(src);
			requires.forEach(function(requireName) {
				toProcess.push({name: requireName, basedir: path.dirname(filePath)});
			});
		}
	}
}

function endsWith(str, end) {
	return str.substr(str.length-end.length) === end;
}

console.dir(Object.keys(entries));