javascript - Gulp browserify babel and watchify to output multiple bundles -

i want output multiple bundles using gulp,browserfiy , use feature of babel , watchify.i produce mutliple bundles non wiser use feature of babel , watchify.

here's have done multiple bundling

var gulp = require('gulp'); var minifycss = require('gulp-minify-css'); var uglify = require('gulp-uglify'); var browserify = require('browserify'); var source = require('vinyl-source-stream'); var reactify = require('reactify');  var babel = require('babelify'); var watchify = require('watchify');  var csssrcdir = './css/'; var jssrcdir = './js/react/'; var builddir = './build/'; var distdir = './dist/'; var mapsdir = './maps/';   gulp.task('minify-css',function(){     return gulp.src(csssrcdir + '**/*.css')     .pipe(minifycss())     .pipe(gulp.dest(builddir+'/css')) });  gulp.task('uglify',function(){     return gulp.src(jssrcdir + '/**/*.js')     .pipe(uglify())     .pipe(gulp.dest(builddir+'/js/')) });  gulp.task('js', function (done) {   [     "homepage",     "filter",     "listing",   ].foreach(function (entry, i, entries) {     // count remaining bundling operations track     // when call done(). alternatively use     // merge-stream , return output.     entries.remaining = entries.remaining || entries.length;     browserify('./js/react/' + entry + '.jsx').transform(babel,reactify)       .bundle()       .pipe(         require('fs').createwritestream(builddir + entry + 'bundle.js')         .on('finish', function () {           if (! --entries.remaining) done();         })       );   }); });   gulp.task('minify',['minify-css','uglify','js']); 

what should enjoy feature of watchify , babel?