JSX gulp watch + browserify + babelify + livereload

gulpfile.js

var gulp = require('gulp'),
    source = require('vinyl-source-stream'),
    browserify = require('browserify'),
    babelify = require('babelify'),
    gulpLiveReload = require('gulp-livereload');

gulp.task('scripts', function () {

    //noinspection JSUnresolvedFunction
    return browserify('src/main.js', {debug: true}) // browserify entry file
        .transform(babelify, {presets: ['es2015', 'react']})
        .bundle()
        .pipe(source('bundle.js')
        .pipe(gulp.dest('build'))
        .pipe(gulpLiveReload());

});

gulp.task('livereload-server', function () {

    gulpLiveReload.listen({}, function () {
        console.log('Live Reload server ... OK');
    });

});

gulp.task('watch', ['scripts', 'livereload-server'], function () {
    
    gulp.watch('src/**/*.js', ['scripts']);

});

package.json

{
  "devDependencies": {
    "babel-preset-es2015": "^6.0.14",
    "babel-preset-react": "^6.0.14",
    "babelify": "^7.0.2",
    "browserify": "^12.0.1",
    "gulp": "^3.9.0",
    "gulp-livereload": "^3.8.1",
    "vinyl-source-stream": "^1.1.0"
  }
}