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Parent component pattern

Muddy Mockingbird answered on September 10, 2022 Popularity 1/10 Helpfulness 1/10

answer Parent component pattern

Parent component pattern

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import * as React from 'react';

const ToggleContext = React.createContext();


function useEffectOnMount(cb, dependencies) {
    const ref = React.useRef(true);

    React.useEffect(() => {
        if (!ref.current) {
            return cb();
        }

        ref.current = false;
    }, dependencies);
}

function Toggle(props) {
    const [on, setOn] = React.useState(false)
    const toggle = React.useCallback(() => setOn(oldOn => !oldOn), [])

    useEffectOnMount(() => {
        props.onToggle(on)
    }, [on]);

    const value = React.useMemo(() => ({on, toggle}), [on])
    
    return (
        <ToggleContext.Provider value={value}>
            {props.children}
        </ToggleContext.Provider>
    );
}

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: blog.bitsrc.io

Tags: javascript parent

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Contributed on Sep 10 2022

Muddy Mockingbird

0 Answers Avg Quality 2/10

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