Thomas LÉVEIL
46e1857489
* memoize chat related components * Avoid re-rendering ChatInput on every message udpate * change the way the horizontal scrollbar is hidden * make the scroll event listener passive * perf(Chat): fix performances issues related to autoscroll Uses the intersection API to determine autoscroll mode instead of listening for scroll events * tuning detection of autoscroll
19 lines
591 B
TypeScript
19 lines
591 B
TypeScript
export function throttle<T extends (...args: any[]) => any>(func: T, limit: number): T {
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let lastFunc: ReturnType<typeof setTimeout>;
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let lastRan: number;
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return ((...args) => {
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if (!lastRan) {
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func(...args);
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lastRan = Date.now();
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} else {
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clearTimeout(lastFunc);
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lastFunc = setTimeout(() => {
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if (Date.now() - lastRan >= limit) {
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func(...args);
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lastRan = Date.now();
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}
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}, limit - (Date.now() - lastRan));
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}
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}) as T;
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} |