comparse two node_module folders for versions

findVersionDifferences

#!/usr/bin/env node
const path = require('path');
const fs = require('fs');
const _ = require('lodash');

let p = (...args) => path.join.apply(this, [__dirname, '..', ...args]);

const NODE_MODULES_DIR = p('node_modules');
const NODE_MODULES_COMPARE_DIR = p('node_modules.bk');
const MANIFEST = require(p('package.json'));
const PACKAGES = Object.keys(MANIFEST.devDependencies);

let mapPackages = {};

function getPackageVersionsFromDir(dir, dest, identifier) {
	PACKAGES.forEach((name) => {
		let packageFile = path.join(dir, name, 'package.json');
		let packageManifest = require(packageFile);
		!dest[name] && (dest[name] = {
			name: name,
			version: MANIFEST.devDependencies[name]
		});
		dest[name][identifier] = packageManifest.version;
 	});
}

getPackageVersionsFromDir(NODE_MODULES_DIR, mapPackages, 'broken');
getPackageVersionsFromDir(NODE_MODULES_COMPARE_DIR, mapPackages, 'working');

mapPackages = _.filter(mapPackages, (data) => data.broken !== data.working);
console.log(JSON.stringify(mapPackages, null, '\t'));

// function listPackageVersionsFromDir(dir, dest, identifier) {
// 	fs.readdirSync(dir)
// 		.filter((name) => {
// 			let manifestPath = path.join(dir, name, 'package.json');
// 			let isPackage = fs.existsSync(manifestPath);
// 			if (!isPackage) {
// 				// console.warn(`${name} is not a package`);
// 			}
// 			return isPackage;
// 		})
// 		.forEach((name) => {
// 			let manifestPath = path.join(dir, name, 'package.json');
// 			let manifest = require(manifestPath);
// 			!dest[name] && (dest[name] = {
// 				name: name,
// 				version: MANIFEST.devDependencies[name]
// 			});
// 			dest[name][identifier] = manifest.version;
// 		});
// }

// listPackageVersionsFromDir(NODE_MODULES_DIR, mapPackages, 'broken');
// listPackageVersionsFromDir(NODE_MODULES_COMPARE_DIR, mapPackages, 'working');

// mapPackages = _.filter(mapPackages, (data) => data.broken !== data.working);
// console.log(JSON.stringify(mapPackages, null, '\t'));