List all packages under a lerna repository

list_packages.js

'use strict';

const Fs = require('fs');
const ReadDir = Fs.readdirSync;
const Stat = Fs.statSync;

module.exports = (basePath) => {

    const getAllPackages = () => ReadDir(basePath)
        .map((d) => `${basePath}/${d}`)
        .filter((d) => Stat(d).isDirectory())
        .map((d) => ReadDir(d).filter((i) => (/package\.json/i).test(i)).map((x) => `${d}/${x}`))
        .reduce( (all,p) => p.concat(all),[]);

    return getAllPackages().map( (p) => ({ [require(p).name] : require(p).version }));
};