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2025-03-07 19:22:02 +01:00
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/**
* Microtask debouncer
* https://developer.mozilla.org/en-US/docs/Web/API/HTML_DOM_API/Microtask_guide
* @param fn - Function to debounce
* @returns debounced function
*/ export function debounce(fn) {
let pending;
// React testing platforms will often output errors when state updates happen outside `act`
// Since there is nothing obvious to wait for we just avoid debouncing in unit test environments
if (process.env.NODE_ENV === 'test') {
return fn;
}
return ()=>{
if (!pending) {
pending = true;
queueMicrotask(()=>{
// Need to set pending to `false` before the debounced function is run.
// React can actually interrupt the function while it's running!
pending = false;
fn();
});
}
};
}