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Ken Obara
Ken Obara

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The first step of Bun

As you know, Bun is the fastest JavaScript runtime and the substitute for Node.js.

Today, I want to introduce the first step of Bun.

Install Bun globally 

# Open your terminal
$ curl -fsSL https://bun.sh/install | bash
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Create a TypeScript file 

# In your terminal
$ touch index.tsx
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// index.tsx
const server = Bun.serve({
  port: 3000,
  fetch(request) {
    return new Response("Welcome to Bun!");
  },
});

console.log(`Listening on localhost:${server.port}`);
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Lounch a server with Bun 

# In your terminal
$ bun run index.tsx
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http://localhost:3000/

Welcome to Bun!!!

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