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A small Bun and TypeScript project built as a testbed for two ideas:

1. serving a simple Express.js app
2. bundling HTML, CSS, and JavaScript into a single inlined HTML file

The original goal was to experiment with a basic static-file builder. To make the output easy to test, the project grew into a small browser game powered by a lightweight custom game engine. It is intentionally simple and is meant as a practical playground rather than a full product.

What it does

• Builds a single self-contained HTML file from separate source files
• Serves the generated page with Bun and Express
• Runs a small canvas-based game where the player moves a paddle to catch falling flakes
• Shows a score counter and uses a custom game loop for input, updates, and drawing

How it is structured

• src/app.ts starts the web server and serves the generated page
• src/build-inline.ts assembles the HTML, CSS, and JavaScript into public/index.inline.html
• src/core/engine.js contains the small game engine
• src/scripts/client.js contains the game logic
• src/styles/ and src/views/ contain the source assets used by the builder

Requirements

• Bun

Install

bun install

Build

bun run src/build-inline.ts

This generates public/index.inline.html from the source files.

Run

bun run src/app.ts

Open the server in your browser after it starts.

Notes

• The project is intentionally small and experimental.
• The builder is focused on simple local workflows rather than a general-purpose packaging system.
• The game exists mainly as a test case for the builder and rendering loop.