gulpfile.js

var gulp = require('gulp');
var browserify = require('browserify');
var babelify = require('babelify');
var source = require('vinyl-source-stream');
var evs = require('event-stream');
var uglify = require('gulp-uglify');
var watchify = require('watchify');

var browserSync = require('browser-sync').create();
//var reload = browserSync.reload;

gulp.task('browser-sync', function() {
    browserSync.init({
        proxy: "localhost:3000"
    });
});

//Folders
var srcDir = 'anmweb/src/';  var srcClientDir = srcDir+'client/';
var dstDir = 'anmweb/dist/'; var dstClientDir = dstDir+'client/';

gulp.task('build', function () {
    console.log('build')

    var r = browserify({entries: './'+srcClientDir+'anmweb.jsx', extensions: ['.jsx'], debug: false})
        .transform(babelify)
        .bundle()
        .pipe(source('bundle.js'))
        .pipe(gulp.dest('./'+dstClientDir))
        .pipe(browserSync.stream({stream:true}));
});

gulp.task('watch', ['build'], function () {
    gulp.watch([
        srcClientDir+'*.jsx',
        srcClientDir+'*.js',
        srcClientDir+'styles/*.css'
      ], ['build','browser-sync']).on('change', browserSync.reload);
});

gulp.task('default', ['watch']);