cpRs.js

#!/usr/bin/env node
/**
* This script can be run on windows machine
* It simulates the command 'cp -Rs' in linux 
* This command create a symlink for each files from one folder to another one 
*/

/**
* package.json
{
  "dependencies": {
    "chalk": "^2.4.2",
    "commander": "^2.19.0",
    "is-admin": "^2.1.1"
  }
  "bin": {
    "cpRs": "./cprs.js"
  }
}

* Go to folder and run npm link
* cd "C:\scripts\";
* npm link
*/

const isAdmin = require('is-admin');
const exec = require('child_process').exec;
const chalk = require('chalk');
const logBgYellow = chalk.bgYellowBright.black;
const logbgRedWhite = chalk.bgRed.white;

const path = require('path');
const fs = require('fs');

// RUN if is admin
isAdmin().then(admin => {
    if (!admin) {
        console.log(
            '\n' +
            logBgYellow(
                '\n                                                   \n' +
                '\n' + '  This script must be run on administrator mode ' +
                '\n                                                   \n'
            )
            + '\n');

        // die exit
        process.exit();
    }

    // If user mode is Admin - everything is good
    if (admin) {

        if (process.argv.length != 4) {
            console.log(
                '\n'
                + logBgYellow('\n ' + '  Use:                   cpRs "{source}" "{dest}" [option]')
                + logBgYellow('\n ' + '  Example:                       cpRs "C:\\www\\mySrcFolder" "C:\\www\\myDestFolder"')
                + logBgYellow('\n ' + '  Example (with verbose option): cpRs "C:\\www\\mySrcFolder" "C:\\www\\myDestFolder" -v')
                + logBgYellow('\n ' + '  Folders {source} and {dest} must exist.')
            );
            process.exit();
        }

        // Source
        let src = process.argv[2];

        // Destination
        let dest = process.argv[3];

        // Verbose option
        let isVerbose = process.argv[4] === '-v';


        // Source folder does not exists
        if( !fs.existsSync(src) ) {
            console.log(
                '\n'
                + logbgRedWhite('\n Folder "' + src + "\" does not exists.")
            );
            process.exit();
        }

        // Dest folder does not exists
        if( !fs.existsSync(dest) ) {
            console.log(
                '\n'
                + logbgRedWhite('\n Folder "' + dest + "\" does not exists.")
            );
            process.exit();
        }

        // Log
        console.log("src: ",src);
        console.log("dest: ",dest);
        console.log("verbose: ", isVerbose);

        // Create empties folders from {src} to {dest}
        let cmd = 'xcopy /t /e "' + src + '" "' + dest + '"';
        exec(cmd);

        // Create symlink of each files from {src} to {dest}
        cmd = 'dir /s/b "' + src + '"';
        exec(cmd, (error, stdout, stderr) => {

            // Command return
            let consoleContent = stdout.trim();

            consoleContent.split("\n").map((v) => {

               // Clean up
               v = v.substr(src.length+1);
               v = v.trim();

               // It is a folder
               let isDir = fs.lstatSync(src + "\\" + v).isDirectory();

               // If is file 
                if (!isDir) {

                    // Create symlink if dest file does not exists
                    let srcFile = src + "\\" + v.trim();
                    let destFile = dest + "\\" +  v.trim();

                    if (!fs.existsSync(destFile)) {

                        // Show or not console
                        if (isVerbose) {
                            console.log("mklink " + destFile + " " + srcFile);
                        }
                        fs.symlinkSync(srcFile, destFile);
                    }

                }
            });
        });


    }
});

// Usage
cpRs "C:\www\source" "D:\destination"