Easythread Bun Example

This example demonstrates how to use easythread with Bun for automatic Web Worker generation.

Features Demonstrated

• Fibonacci calculation - Recursive computation that benefits from worker threads
• Prime number checking - CPU-intensive algorithm running in parallel
• Heavy computation - Mathematical operations with millions of iterations
• Main thread responsiveness - Counter showing the main thread remains unblocked

Setup

1. Install Bun if you haven't already:

   curl -fsSL https://bun.sh/install | bash

2. Install dependencies:

   bun install

Running the Example

Method 1: Direct execution (with built-in transformation)

bun dev

Method 2: Build then run

bun run build
bun run dist/index.js

How It Works

1. Function Annotation: Functions marked with /** @easythread */ are automatically transformed
2. Worker Generation: The Bun plugin generates Web Worker code during build/runtime
3. Promise-based API: All easythread functions return Promises for async handling
4. Import Resolution: The plugin handles both relative and npm package imports

Key Benefits with Bun

• Fast startup: Bun's performance makes worker creation even faster
• Built-in TypeScript: No additional transpilation needed
• ES modules: Native support for modern JavaScript features
• Excellent compatibility: Works with both Web Workers and Node.js APIs

Code Structure

src/
├── index.ts     # Main application showing worker usage
├── utils.ts     # Functions marked with @easythread
└── build.ts     # Bun build configuration with easythread plugin

Expected Output

You should see output showing:

• Main thread counter ticking every 100ms (proving responsiveness)
• Fibonacci, prime checking, and heavy computation results
• Timing information for each operation
• Confirmation that computations ran in worker threads