VSCode + Volar (and disable Vetur)
- Disable the built-in TypeScript Extension
- Run 
Extensions: Show Built-in Extensionsfrom VSCode's command palette - Find 
TypeScript and JavaScript Language Features, right click and selectDisable (Workspace) 
 - Run 
 - Reload the VSCode window by running 
Developer: Reload Windowfrom the command palette. 
yarn
yarn dlx @yarnpkg/sdks vscodeyarn devyarn buildRun Headed Component Tests with Cypress Component Testing
yarn test:unit:dev # or `yarn test:unit` for headless testingRun End-to-End Tests with Cypress
yarn test:e2e:devThis runs the end-to-end tests against the Vite development server. It is much faster than the production build.
But it's still recommended to test the production build with test:e2e before deploying (e.g. in CI environments):
yarn build
yarn test:e2eLint with ESLint
yarn lintEnsure the coordinate system is set to "-Z Forward" and "Y Up"