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useDebouncedEffect.jsx
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function useDebouncedEffect( | |
callback, | |
dependency, | |
timeout = 2000, | |
options = { trailing: true, leading: false } | |
) { | |
const { leading, trailing } = options; | |
// the source of truth will be _dependencyRef.current always | |
const [_dependency, _setdependency] = React.useState(dependency); | |
// making use of second approach here we discussed above | |
const makeChangeTodependency = React.useCallback( | |
_.debounce( | |
dependency => { | |
console.log("runnign makeChangeTodependency", dependency); | |
_setdependency(dependency); | |
}, | |
timeout, | |
{ trailing, leading } | |
), | |
[trailing, leading, timeout] | |
); | |
React.useEffect(() => { | |
if (dependency) { | |
makeChangeTodependency(dependency); | |
} | |
}, dependency); | |
React.useEffect(callback, _dependency); | |
} | |
function ChildComponent({ value, onChange }) { | |
function makeApiCallRaw(value) { | |
console.log("make api call with value", value); | |
} | |
useDebouncedEffect( | |
() => { | |
makeApiCallRaw(value); | |
}, | |
[value], | |
2000 | |
); | |
useDebouncedEffect( | |
() => { | |
console.log("Hola !!"); | |
}, | |
[value], | |
3000 | |
); | |
useDebouncedEffect( | |
() => { | |
console.log("cool !!"); | |
}, | |
[value], | |
5000 | |
); | |
return ( | |
<input | |
defaultValue={value} | |
value={value} | |
onChange={e => { | |
onChange(e.target.value); // non debounced | |
// makeApiCall(e.target.value) // debounced | |
}} | |
/> | |
); | |
} | |
function App() { | |
const [value, setValue] = React.useState(""); | |
return ( | |
<div> | |
Hello World | |
<ChildComponent value={value} onChange={setValue} /> | |
</div> | |
); | |
} |
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