Feel free to open an issue, or propose a pull request. To prevent duplication, please look at
existing issues before posting a new one. If you propose a pull request, make sure it passes
linting (npm run lint) and (npm test).
Runs Prettier to check all source files are well formatted.
Note: you can fix errors automatically by running:
npm run lint -- --write.
Runs ESLint in the test/ folder to check the current configuration (index.json).