lr.js

var gulp = require('gulp');  
var stylus = require('gulp-stylus');  
var refresh = require('gulp-livereload');  
var lr = require('tiny-lr');  
var server = lr();

gulp.task('stylus', function(){  
    gulp.src('assets/stylus/main.styl')
    .pipe(stylus({
        use: ['nib'],
        compress: true
    }))
    .pipe(gulp.dest('assets/css'))
    .pipe(refresh(server))
});

gulp.task('js', function(){  
    gulp.src('assets/js/*.js')
    .pipe(refresh(server));
})

gulp.task('php', function(){  
    gulp.src('*.php')
    .pipe(refresh(server));
})

gulp.task('livereload', function(){  
    server.listen(35729, function(err){
        if(err) return console.log(err);
    });
});

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

  gulp.run('livereload', 'stylus');

  gulp.watch('assets/stylus/**' , function(ev){
        gulp.run('stylus')
    });

    gulp.watch('assets/js/*.js', function(ev){
        gulp.run('js')
    });

    gulp.watch('*.php', function(ev){
        gulp.run('php')
    });

});