// ES6
var vinylSourceStream = require('vinyl-source-stream');
var vinylBuffer       = require('vinyl-buffer');
var browserify        = require('browserify');
var babelify          = require('babelify');

gulp.task('app-transpile-js', ['minify-templates','copy-json'], function (){

  var bundler = browserify({
    entries: 'scripts2/app.js',
    debug: true
  })
  .transform(babelify, { presets: ["es2015"] });

  return bundler.bundle()
    .on('error', function (err) { console.error(err); })
    .pipe(vinylSourceStream('babel.min.js'))
    .pipe(vinylBuffer())
    .pipe(plugins.sourcemaps.init({ loadMaps: true }))
    .pipe(plugins.ngAnnotate())
    .pipe(plugins.uglify())
    .pipe(plugins.header(getCopyrightVersion(), {version: getVersion()}))
    .pipe(plugins.sourcemaps.write('./'))
    .pipe(gulp.dest('dist/js'))
    .pipe(plugins.connect.reload());

});