Testing Features

Code Block Test

Here's a JavaScript code block:

function hello() {
  console.log("Hello, world!");
  return 42;
}

Here's a TypeScript code block:

interface User {
  name: string;
  age: number;
}
 
const user: User = {
  name: "John",
  age: 30
};

Here's a mermaid diagram:

Loading diagram...

graph TD
    A[Start] --> B{Is it working?}
    B -->|Yes| C[Great!]
    B -->|No| D[Debug more]
    D --> A

{
  "name": "test",
  "version": "1.0.0",
  "features": ["syntax-highlighting", "mermaid"]
}