Code explainers tagged #timers

const IDLE_TIMEOUT = 15 * 60 * 1000;
const WARNING_BEFORE = 60 * 1000;
const ACTIVITY_EVENTS = ['mousemove', 'keydown', 'scroll', 'touchstart', 'click'];
 

import { useState, useEffect, useCallback } from 'react';
 
export function useCountdown(initialSeconds) {
  const [secondsLeft, setSecondsLeft] = useState(initialSeconds);

import { Injectable, signal, computed } from '@angular/core';
 
export type ToastKind = 'success' | 'error' | 'info' | 'warning';
 

type CountdownState = {
  deadline: number;
  onTick: (remaining: number) => void;
  onComplete: () => void;

type Event = Record<string, unknown>;
 
interface BatcherOptions {
  endpoint: string;

function createCountdownTimer(durationSeconds, { onTick, onComplete } = {}) {
  let remaining = durationSeconds;
  let intervalId = null;
 

import { Pipe, PipeTransform, ChangeDetectorRef, NgZone, OnDestroy } from '@angular/core';
 
@Pipe({
  name: 'timeAgo',

package debounce
 
import (
	"sync"

function debounce(fn, delay) {
  let timeoutId = null;
 
  function debounced(...args) {

function throttle(fn, wait) {
  let lastCall = 0;
  let timeoutId = null;
  let lastArgs = null;