use-will-unmount

About

componentWillUnmount lifecycle as hook for React.

Installation

npm install --save @rooks/use-will-unmount

Importing the hook

import useWillUnmount from "@rooks/use-will-unmount"

Usage

function Message(){

useWillUnmount(function () {

alert("unmounted")

})

return <p> Message </p>

}

function Demo() {

const [

value,

changeValue

] = useState(true);

function toggleValue(){

changeValue(!value)

}

return <>

<p><button onClick={toggleValue}>Toggle show </button></p>

{value && <Message/>}

</>;

}

render(<Demo/>)

Arguments

Arguments	Type	Description	Default value
callback	function	Callback function which needs to run on unmount	undefined

A React hook for componentWillUnmount lifecycle method.

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