Code Explainers

Code explainers tagged #intersection-observer

typescript 
import { useCallback, useEffect, useRef, useState } from "react";
 
interface Page<T> {
  items: T[];

A cursor-based infinite scroll hook in React

custom-hooks pagination intersection-observer
Intermediate 9 steps
javascript 
'use client';
 
import { useState, useTransition, useRef, useEffect, useCallback } from 'react';
import { loadMorePosts } from '@/app/actions/posts';

Infinite scroll with Server Actions in Next.js

infinite-scroll intersection-observer server-actions
Intermediate 8 steps
javascript 
import { useCallback, useEffect, useRef, useState } from 'react';
 
export function useInfiniteScroll(fetchPage) {
  const [items, setItems] = useState([]);

Building an infinite scroll hook in React

custom-hooks intersection-observer pagination
Advanced 6 steps