# Yarn Commands The following commands are supported. You must set `NODE_ENV` to use these commands. To do so, you can add the following line to your `.env` file: ``` NODE_ENV=development ``` ## Local dev server - `yarn dev` - Run the local dev server. ## Building - `yarn build` - Compile without a dev server, into `/static` directory. ## Translations - `yarn i18n` - Rebuilds app and updates English locale to prepare for translations in other languages. Should always be run after editing i18n strings. - `yarn manage:translations` - A low-level translations manager utility. ## Tests - `yarn test:all` - Runs all tests and linters. - `yarn test` - Runs Jest for frontend unit tests. - `yarn lint` - Runs all linters. - `yarn lint:js` - Runs only JavaScript linter. - `yarn lint:sass` - Runs only SASS linter.