src/ - Data structures implementation
test/ - Tests using mocha and chai
First, make sure you have Node installed and then run npm install to get the following packages:
babel-core - babel compiler core
babel-preset-es2015 - babel preset for all es2015 plugins
chai - BDD/TDD assertion library for node
mocha - javascript test framework
Then, just enter npm test to run all test cases or npm run test:watch to also keep listening for changes.