Counter() — astro Function Reference

Architecture documentation for the Counter() function in ReactCounter.tsx from the astro codebase.

Function tsx CoreAstro RenderingEngine

Entity Profile

CoreAstro→ RenderingEngine→ Counter() — astro Function Reference

Dependency Diagram

graph TD
  d26ce146_da78_f360_8a61_311de29b2050["Counter()"]
  7d87d540_d74a_20d4_59d8_4db70855e379["ReactCounter.tsx"]
  d26ce146_da78_f360_8a61_311de29b2050 -->|defined in| 7d87d540_d74a_20d4_59d8_4db70855e379
  style d26ce146_da78_f360_8a61_311de29b2050 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

examples/framework-multiple/src/components/react/ReactCounter.tsx lines 6–21

export function Counter({ children }: { children?: ReactNode }) {
	const [count, setCount] = useState(0);
	const add = () => setCount((i) => i + 1);
	const subtract = () => setCount((i) => i - 1);

	return (
		<>
			<div className="counter">
				<button onClick={subtract}>-</button>
				<pre>{count}</pre>
				<button onClick={add}>+</button>
			</div>
			<div className="counter-message">{children}</div>
		</>
	);
}