State Management
useCounter
Manages a numeric counter with increment, decrement, and reset operations.
About
Counter hook for React.
Examples
Basic counter controls
import { useCounter } from "rooks";
export default function App() {
const { value, increment, decrement, incrementBy, decrementBy, reset } =
useCounter(3);
function incrementBy5() {
incrementBy(5);
}
function decrementBy7() {
decrementBy(7);
}
return (
<>
Current value is {value}
<hr />
<button onClick={increment}>increment</button>
<button onClick={decrement}>decrement</button>
<button onClick={incrementBy5}>incrementBy5</button>
<button onClick={decrementBy7}>decrementBy7</button>
<hr />
<button onClick={reset}>reset</button>
</>
);
}Reset back to the initial value
import { useCounter } from "rooks";
export default function CounterWithReset() {
const { value, incrementBy, decrementBy, reset } = useCounter(10);
return (
<div>
<div>Current value: {value}</div>
<button onClick={() => incrementBy(10)}>Add 10</button>
<button onClick={() => decrementBy(4)}>Subtract 4</button>
<button onClick={reset}>Reset to 10</button>
</div>
);
}Arguments
| Argument | Type | Description |
|---|---|---|
| initialValue | number | Initial value of the counter |
Return
| Return value | Type | Description |
|---|---|---|
| counter | Object | Object containing {value,increment,decrement,incrementBy,decrementBy,reset} |