useImperativeHandle – React

See more examples below. Parameters ref: The ref you received as a prop to the MyInput component. createHandle: A function that takes no arguments and returns the ref handle you want to expose. That ref handle can have any type. Usually, you will return an object with the methods you want to expose. optional dependencies: The list of all reactive values referenced inside of the createHandle code.

[shingo-sasaki-0529]

ref を親に提供すると何でも出来すぎちゃうから、それを制限するための Hooks もあるんだ。