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Fully Typed APIs. Flexible programmatic APIs with full TypeScript typing. Vite is free and open source, made possible by wonderful sponsors.
Running vite starts the dev server using the current working directory as root. You can specify an alternative root with vite serve some/sub/dir. Note that Vite will also resolve its config file (i.e. vite.config.js) inside the project root, so you'll need to move it if the root is changed. Command Line Interface
Running vite starts the dev server using the current working directory as root. You can specify an alternative root with vite serve some/sub/dir. Command Line Interface # In a project where Vite is installed, you can use the vite binary in your npm scripts, or run it directly with npx vite. Here are the default npm scripts in a scaffolded Vite ...
On demand file serving over native ESM, no bundling required!
Configuring Vite When running vite from the command line, Vite will automatically try to resolve a config file named vite.config.js inside project root (other JS and TS extensions are also supported). The most basic config file looks like this:
A dev server that serves your source files over native ES modules, with rich built-in features and astonishingly fast Hot Module Replacement (HMR). A build command that bundles your code with Rollup, pre-configured to output highly optimized static assets for production.
Hot Module Replacement. Vite provides an HMR API over native ESM. Frameworks with HMR capabilities can leverage the API to provide instant, precise updates without reloading the page or blowing away application state. Vite provides first-party HMR integrations for Vue Single File Components and React Fast Refresh.
