Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
gulp-hash-filename is a gulp plug-in that adds a hash to the filename based on the content of that file, size of that file, or the file's atime, ctime and mtime.