Inside of my useEffect, I have a props dependency (setIsValid). When I add this dependency to the useEffect, it lands in an infinite loop.  Parent when Calling Child Component:  const setIsValid = (bool) => {   const tmpStateCopy = Object.assign({...

So I have the following situation when using a useEffect that calls a functions that depends on state.  Example:  // INSIDE APP COMPONENT  const [someState, setSomeState] = React.useState(0); const [someTrigger, setSomeTrigger] = React.useState(false...

I am trying to use the useEffect to grab some data from an API. I am succesful in grabbing the data but after I set my state and try to map through it I just get "Can't read map of undefined". I think the problem is that it's running...

I'm trying to wrap my head around using hooks and I'm running into a repeating problem.  In the example I've linked below, I have a useEffect hook that's sorting an array.  The sorting order is determined by a state value and I have a...

With regular React it's possible to have something like this:  class NoteEditor extends React.PureComponent {      constructor() {         super();          this.state = {             noteId: 123,         };     }      componentWillUnmount() {...

I'm trying to implement google maps using React Hooks without using any kind of third party libraries. I have written code that allows the script to be generated that fetches the google maps using the url as shown below. But I don't know what...

I have two inputs whose values reflect the state of a counter.  The first input sets the state immediately as its value changes. This input can represent other parts of the application changing state.  The second input part of a component I made name...

import React, {useState, useEffect} from 'react'; import socketIO from 'socket.io-client'; import Container from 'react-bootstrap/Container';  function Sock() {    const [textData, setTextData] = useState([]);     useEffect(()...

I have a wrapper component around a search bar that fetches suggestions with each keystroke and then searches either when a suggestion is chosen or the user hits enter/search. Upon choosing a search value, I want to persist that search item to local...

I have a simple React component and when I inspect the console what I logged appears 3 times.   The Load APP log comes from my main App.js component and Load New from the component rendered by the Navigation in App.js : FasList.js.  Why do I see 3 lo...