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Vite Plugin Node

A vite plugin to allow you to use vite as node dev server.

Features

• All the perks from Vite plus: • Node server HMR! (hot module replacement) • Support Express, Fastify, Koa and Nest out of the box • Support Custom Request Adapter • You can choose to use esbuild or swc to compile your typescript files

Get started

1. Install vite and this plugin with your favorite package manager, here use npm as example:

2. Create a vite.config.ts file in your project root to config vite to actually use this plugin:

3. Update your server entry to export your app named viteNodeApp or the name you configured.

ExpressJs

KoaJs

Cloud Functions

Fastify

if the app created by an async factory function you can just export the promise.

NestJs

4. Add a npm script to run the dev server:

5. Run the script! npm run dev

Custom Adapter

If your favorite framework not supported yet, you can either create an issue to request it or use the adapter option to tell the plugin how to pass down the request to your app. You can take a look how the supported frameworks implementations from the ./src/server folder. Example:

Build

This plugin leverages Vite SSR mode to build your app. All you need to do is add a build script to your package.json:

For more build config please check vite doc

Examples

See the examples folder.

Why?

While frontend development tooling is evolving rapidly in recent years, backend DX is still like in stone age. No hot module replacement; Typescript recompiling slow as funk; Lack of plugin system etc. Thanks to Vite.js created by Evan You (A.K.A creator of vue.js; my biggest idol developer), makes all those dreams for backend development come true!

How?

Vite by design has a middleware mode, which allows us to use it programmatically inside other modules. It's originally made for SSR, so that for each request, vite can load the renderer and render the latest changes you made to your app (). This plugin leverages this feature to load and execute your server app entry.

You may ask, isn't super slow, since it re-compiles/reloads the entire app? The answer is NO, because vite is smart. It has a builtin module graph as a cache layer, the graph is built up the first time your app loads. After that, when you update a file, vite will only invalidate that one and its parent modules, so that for next request, only those invalidated modules need to be re-compiled which is super fast thanks to esbuild or swc.

To-Do

As this plugin just fresh developed, there are still lots ideas need to be implemented, including:

• [ ] Test with a large node project, I need y'all helps on this! • [ ] Unit tests

Bugs

Please create an issue if you found any bugs, to help me improve this project!

Description from the npm listing.