So, I am wondering if this makes sense at all. I am trying to cache the data/users when the data is fetched with Axios, but make this useEffect run only when cachedUsers.length has no length. Does this have any propose…
I am writing a custom hook that accepts a ref. I would like to attach an event listener to this DOM node and remove the listener inside a cleanup function. I started with something like this: useIsFocused.ts function useIsFocused(elem: React.MutableRefObject<HTMLElement…
I have 1 level nested object. e.g. Teacher and Students. query hold the value entered in search bar. I am trying to filter the array but it does not seem to work. I am missing something basic but cant figure…
i make toogle in react using useState like this sample component import React, { useState, useEffect } from "react"; const Button = () => { const [show, setShow] = useState(false) useEffect(() => { function listing () { setShow(false) } if…
I can find people doing this in the old syntax but not with ES6. how do i pass the userId you get from clicking on the username to the userProfile? here is my userprofile.js import React, { useState } from…
import { UserProvider, useUser } from "./UserContext"; const LoggedInUser = () => { const { user } = useUser(); return ( <p style={{ textAlign: "right" }}> by<span>{user.name}</span> </p> ); }; const Header = () => { return ( <header> <h2…
I need to make two separate api calls in the same react component. However, I'm having trouble getting information when I try to use it in my HTML. Specifically the similar data in this code. function Info() { let params…
import "./App.css"; import React, { useState, useEffect } from "react"; import Header from "../components/Header"; import AddContact from "../components/AddContact"; import ContactList from "../components/ContactList"; function App() { const LOCAL_STORAGE_KEY = "contacts"; const [contacts, setContacts] = useState([]); const addContactHandler = (contact) => {…
I am working on a Next.js project with authentication and am putting some URLs as strings into an array called protectedRoutes, so people get redirected when they access those URLs before they sign in. const protectedRoutes = ["/home", "/profile", etc.];…
When I run npx create-next-app, I get this question What import alias would you like configured? ... ** / * ) I want to be able to use normal ES6 import statements for example. import Nav from "../components/Nav" Instead of…