- Javascript
- Bundles
- Source Maps
- Make Source Maps available
- Debugging ES Modules imports is possible => parcel-bundler/parcel#2439
- ES
- Typescript
- Unit Testing Library (Jest)
- use TS configuration from https://basarat.gitbooks.io/typescript/docs/testing/jest.html. It will automatically fix the ES Modules issues
- HMR
- Postcss
- Nesting
- 1 Bundle per Portal
- CSS Variables
- Bug: cross-file css variables are not working by using postcss-css-variables (variables undefined) or postcss-preset-env (variables cached wrong) => parcel-bundler/parcel#2454
- Code Fromatter like Prettier or StandardJS
- Git Hooks
- Avoid linter errors
- Avoid failed tests
parcel flags: