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tech-interview-handbook/AGENTS.md
2026-03-20 15:59:43 +08:00

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# Using Vite+, the Unified Toolchain for the Web
This project is using Vite+, a unified toolchain built on top of Vite, Rolldown, Vitest, tsdown, Oxlint, Oxfmt, and Vite Task. Vite+ wraps runtime management, package management, and frontend tooling in a single global CLI called `vp`. Vite+ is distinct from Vite, but it invokes Vite through `vp dev` and `vp build`.
## Vite+ Workflow
`vp` is a global binary that handles the full development lifecycle. Run `vp help` to print a list of commands and `vp <command> --help` for information about a specific command.
### Start
- create - Create a new project from a template
- migrate - Migrate an existing project to Vite+
- config - Configure hooks and agent integration
- staged - Run linters on staged files
- install (`i`) - Install dependencies
- env - Manage Node.js versions
### Develop
- dev - Run the development server
- check - Run format, lint, and TypeScript type checks
- lint - Lint code
- fmt - Format code
- test - Run tests
### Execute
- run - Run monorepo tasks
- exec - Execute a command from local `node_modules/.bin`
- dlx - Execute a package binary without installing it as a dependency
- cache - Manage the task cache
### Build
- build - Build for production
- pack - Build libraries
- preview - Preview production build
### Manage Dependencies
Vite+ automatically detects and wraps the underlying package manager such as pnpm, npm, or Yarn through the `packageManager` field in `package.json` or package manager-specific lockfiles.
- add - Add packages to dependencies
- remove (`rm`, `un`, `uninstall`) - Remove packages from dependencies
- update (`up`) - Update packages to latest versions
- dedupe - Deduplicate dependencies
- outdated - Check for outdated packages
- list (`ls`) - List installed packages
- why (`explain`) - Show why a package is installed
- info (`view`, `show`) - View package information from the registry
- link (`ln`) / unlink - Manage local package links
- pm - Forward a command to the package manager
### Maintain
- upgrade - Update `vp` itself to the latest version
These commands map to their corresponding tools. For example, `vp dev --port 3000` runs Vite's dev server and works the same as Vite. `vp test` runs JavaScript tests through the bundled Vitest. The version of all tools can be checked using `vp --version`. This is useful when researching documentation, features, and bugs.
## Common Pitfalls
- **Using the package manager directly:** Do not use pnpm, npm, or Yarn directly. Vite+ can handle all package manager operations.
- **Always use Vite commands to run tools:** Don't attempt to run `vp vitest` or `vp oxlint`. They do not exist. Use `vp test` and `vp lint` instead.
- **Running scripts:** Vite+ built-in commands (`vp dev`, `vp build`, `vp test`, etc.) always run the Vite+ built-in tool, not any `package.json` script of the same name. To run a custom script that shares a name with a built-in command, use `vp run <script>`. For example, if you have a custom `dev` script that runs multiple services concurrently, run it with `vp run dev`, not `vp dev` (which always starts Vite's dev server).
- **Do not install Vitest, Oxlint, Oxfmt, or tsdown directly:** Vite+ wraps these tools. They must not be installed directly. You cannot upgrade these tools by installing their latest versions. Always use Vite+ commands.
- **Use Vite+ wrappers for one-off binaries:** Use `vp dlx` instead of package-manager-specific `dlx`/`npx` commands.
- **Import JavaScript modules from `vite-plus`:** Instead of importing from `vite` or `vitest`, all modules should be imported from the project's `vite-plus` dependency. For example, `import { defineConfig } from 'vite-plus';` or `import { expect, test, vi } from 'vite-plus/test';`. You must not install `vitest` to import test utilities.
- **Type-Aware Linting:** There is no need to install `oxlint-tsgolint`, `vp lint --type-aware` works out of the box.
## Review Checklist for Agents
- [ ] Run `vp install` after pulling remote changes and before getting started.
- [ ] Run `vp check` and `vp test` to validate changes.
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