chrome-devtools-frontend
Version:
Chrome DevTools UI
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text/typescript
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* Debounce utility function, ensures that the function passed in is only called once the function stops being called and the delay has expired.
*/
export const debounce = function(
func: (...args: any[]) => void,
delay: number,
): ((...args: any[]) => void)&{
cancel: () => void,
} {
let timer: ReturnType<typeof setTimeout>;
const debounced = (...args: any[]): void => {
clearTimeout(timer);
timer = setTimeout(() => func(...args), testDebounceOverride ? 0 : delay);
};
debounced.cancel = () => {
clearTimeout(timer);
};
return debounced;
};
let testDebounceOverride = false;
export function enableTestOverride(): void {
testDebounceOverride = true;
}
export function disableTestOverride(): void {
testDebounceOverride = false;
}