How to generate data for the child component?

Here is the parent code: import {Col,Container,Row} from ‘react-bootstrap’; import {useEffect,useState} from “react”; import AppConfig from ‘../../utils/AppConfig’; import BB from ‘./BB’; …

FlatList scrollToIndex out of range

I have a FlatList where I’m trying to scroll through each index of my data array every X amount of seconds. There’s only two items in my array right now but there could be more. The current code works …

Sibling component not re-rerendering on state change (using useEffect, useState and Context)

In my Main.js I create a first global state with a username and a list of users I’m following. Then, both the Wall component and FollowingSidebar render the list of follows and their messages (plus …

React UseState truthy/falsy

I’m trying to initialize some state for my form component with data from the redux store. If the shippingAddress object is null, I want to set properties of formData object to empty strings. Not sure …

Usestate increment by 1 not working in setInterval

const [currentPage, setCurrentPage] = useState(1); const handleScroll = () => { const gridContainer = document.querySelector(“.grid”); const …

State from react useState is updated when key property is used but requires useEffect or similar method to update otherwise

I have the following component: import React, { useState } from “react”; import { FormControl, TextField } from “@material-ui/core”; interface IProps { text?: string; id: …

React – useState property not updating

I’m having trouble with react useState hook. I’m trying to clean the state on a dialog close. But theres’s always one property that does not gets updated. Buttons: Create btn

Do I need to use useEffect to rerender a component?

I had an issue getting a component to update when it´s props changed. I got it to work using useEffect, but am unsure if it is the correct way to solve my problem. This is my code: import * as React …