progressive-copy

ex.js

const copier = require('./index');

copier('d:/Projects/streams/', 'd:/foo').then(function(res) {
  console.log(res);
}).catch(function(e) {
  console.log(e);
});

index.js

const path = require('path');
const Promise = require('bluebird');
const minimatch = require('minimatch');
const fs = Promise.promisifyAll(require('fs'));
const globby = require('globby');
const mkdirp = Promise.promisify(require('mkdirp'));

const getStructure = function(from) {
  const fromPattern = path.normalize(from) + '**\\*';
  return globby(fromPattern, { mark: true }).then(function(items) {
    return items.map(path.normalize).reduce(function(res, item) {
      const isDir = minimatch(item, '**/');
      if (isDir) {
        res.directories.push(item);
      } else {
        res.files.push(item);
      }
      return res;
    }, { files: [], directories: [] });
  });
};

module.exports = function(from, to, options) {
  return getStructure(from).then(function(structure) {
    return {
      files: structure.files.map(function(filePath) {
        const subPath = filePath.replace(path.normalize(from), '');
        return path.join(to, subPath);
      }),
      directories: structure.directories.map(function(dirPath) {
        const subPath = dirPath.replace(path.normalize(from), '');
        return path.join(to, subPath);
      })
    };
  });
};

package.json

{
  "name": "progressive-copy",
  "version": "0.1.0",
  "description": "Copies files. And folders. Shows Progress",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "copy",
    "file",
    "folder",
    "directory",
    "progress",
    "promise"
  ],
  "author": "YurySolovyov",
  "license": "MIT",
  "dependencies": {
    "bluebird": "^3.4.1",
    "globby": "^5.0.0",
    "minimatch": "^3.0.2",
    "mkdirp": "^0.5.1"
  }
}