Browserify build.js file

build.js

var browserify = require('browserify'),
    fs         = require('fs');

var b = browserify().require('./vendor/jquery-1.9.1', { expose: 'jquery'})
                    .require('./vendor/js_sha', { expose: 'jssha'})
                    .require('./src/main', { entry: true });

b.bundle(function(err, src) {
  if (err) return console.error(err);
  fs.writeFileSync('./dist/library-client.js', src);
});