@lifaon/rx-js-light/src/observable/pipes/built-in/without-notifications/time-related/debounce-immediate/debounce-immediate-observable.mjs

Blazing fast Observables

import {createImmediate} from "../../../../../../misc/timer/create-immediate.mjs";
export function debounceImmediateObservable(subscribe) {
  return emit => {
    let abortTimeout = null;
    const unsubscribe = subscribe(value => {
      if (abortTimeout !== null) {
        abortTimeout();
      }
      abortTimeout = createImmediate(() => {
        abortTimeout = null;
        emit(value);
      });
    });
    return () => {
      unsubscribe();
      if (abortTimeout !== null) {
        abortTimeout();
      }
    };
  };
}