To start updating Chocolat you need to install its dependencies :

npm install

The source files are in the ./src/ folder You can find a demo in the ./demo/ folder, To automatically build while you code you can run :

npm run dev

Run the test suite to ensure all tests are passing. If you are adding a new feature, please consider writing a test too. Tests are in the ./test/ folder

npm run test

You may run prettier to fix all the code style errors :

npm run prettier

When you are satisfied with your modification you can run :

npm run build 

And make a pull request here :