add-files.js

"use strict";

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

const filestocopy = [
          {
              "res/android/drawable/logo.png":
              "platforms/android/res/drawable-hdpi/logo.png"
          }
      ];

module.exports = function (context) {
    const rootdir = context.opts.projectRoot;

    return new Promise((resolve, reject) => {
        filestocopy.forEach((obj) => {
            Object.keys(obj).forEach((key) => {
                const val = obj[key],
                      srcfile = path.join(rootdir, key),
                      destfile = path.join(rootdir, val),
                      destdir = path.dirname(destfile);

                console.log("copying " + srcfile + " to " + destfile);

                if (fs.existsSync(srcfile) && fs.existsSync(destdir)) {
                    fs.createReadStream(srcfile)
                        .on('end', () => resolve())
                        .on('error', (e) => reject(e))
                        .pipe(fs.createWriteStream(destfile));
                }
            });
        });
    });
};