This is a simple (100 lines of code) auto complete component for Svelte apps.
The demo REPL is at (https://svelte.dev/repl/b5bbb121a1bb4cf7815087ea9cd0c958?version=3.24.1).
It has no dependencies.
Download it.
Install the dependencies...
cd svelte-app
npm install
...then start Rollup:
npm run dev
Navigate to localhost:5000. You should see the demo running.