It's just example page which uses Browserify for modularity. The goal is to get and transform external data, to show in few tabs. It uses only VanillaJS for demo purposes.
To prepare development environment you need only to fire npm install and run npm install -g grunt grunt-cli to have Grunt installed globally.
I am using here JSHint & JSCS for JavaScript and LessLint for LESS files. You can run all linting procedures by grunt lint command.
Everything is running by Jasmine. All tests are in test/spec directory and have same structure as src/js. It can be run by grunt test command and you can test coverage by grunt html-coverage, report will be put to coverage directory.
There is prepared simple server, which you can start by grunt server command and it will be available at http://localhost:8000. To have live reload, run grunt server:live combining it with grunt watch which will detect code changes.
Run grunt build command to make production code, which will be available as code in dist folder.