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Preview and frameworks

Use the local server and Preview while knowing which framework paths the runtime implements.

7 min read

From server to Preview

Vite, Astro, Next, Nest, serve, and http-server are built-in substitutes and can be called directly, even without node_modules/.bin. Services stay on 127.0.0.1 on the device and appear as jobs.

Preview follows the last started server. Without one, it can open index.html using odete://static/. A port does not publish your project to the local network or the internet.

npm run dev
jobs
kill %1
serve dist

What the shell implements

Vite has dedicated dev, build, and preview paths. For Astro and Next, build is explicitly rejected; every other argument enters the special development server. That does not promise a complete CLI. Nest starts through the Node runtime, without a full emulator of its CLI.

This describes the embedded executor, not certification of every plugin or configuration in a framework.

ToolConfirmed path
Vitedev, build, and preview
Astrospecial server; build rejected
Nextspecial server; build rejected
NestNode execution
serve / http-serverstatic server
tsx / ts-noderouted to Node runtime

Test the delivery path

After npm run dev, edit and save a file, then inspect Preview and its page console. For Vite, also run npm run build when delivery depends on the dist directory.

Astro and Next can help prototype in dev, but their builds are not implemented by this executor. Revalidate elsewhere before publishing projects that need a production build, file upload, or advanced server features.