@lifaon/rx-js-light/src/observable/pipes/built-in/without-notifications/others/buffer/derived/buffer-time/buffer-time-observable.mjs

Blazing fast Observables

import {createTimeout} from "../../../../../../../../misc/timer/create-timeout.mjs";
export function bufferTimeObservable(subscribe, duration) {
  return emit => {
    let currentBuffer = [];
    let abortTimeout = null;
    const unsubscribe = subscribe(value => {
      currentBuffer.push(value);
      if (abortTimeout === null) {
        abortTimeout = createTimeout(() => {
          abortTimeout = null;
          const buffer = currentBuffer;
          currentBuffer = [];
          emit(buffer);
        }, duration);
      }
    });
    return () => {
      unsubscribe();
      if (abortTimeout !== null) {
        abortTimeout();
      }
    };
  };
}