var gulp = require('gulp');

var browserify = require('browserify');

var sequence = require('run-sequence');

var watchify = require('watchify');

var fs = require('fs');

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

    sequence('mainjs');

})

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

    var b = browserify({

        entries: ['assets/index.js'],

        cache: {},

        packageCache: {},

        plugin: [watchify]

    });

    var bundle = function(argument) {

        b.bundle().pipe(fs.createWriteStream('main.js'));

    }

    bundle();

    b.on('update', bundle);

})