UserReducer réagit
import React, { useReducer } from "react";
const reducer = (state, action) => {
switch (action.type) {
case "increment":
return { count: state.count + 1 };
break;
case "decrement":
return { count: state.count - 1 };
break;
default:
throw new Error();
}
};
const UseReduceExample = () => {
const [state, dispatch] = useReducer(reducer, initialCount );
return (
<>
Count: {state.count}
<button onClick={() => dispatch({ type: "increment" })}>+</button>
</>
);
};
export default UseReduceExample;
Mateo Jaramillo