Since we split out the build scripts from the main h5bp repo, you now have more options on how to integrate a build script into your project. Beyond the choice of technology, there’s also the choice of how to integrate the build script of choice into your h5bp project or local repo. There is nothing stopping you from manually dropping the build script in to your HTML5 Boilerplate project.
This will check if the TWTweetComposeViewController is available by returning either a class object, or nil if the class is not loaded.