Category "reactjs"

TypeError: state.find is not a function

I try to use the find() method but I get cartItems.find is not a function what happens? and how to fix it? import React, {useState} from 'react' function car

Does strict mode work differently with React 18?

Consider the snippets below. With React 18, count gets printed twice to the console on every render but with React 17 it gets printed only once. React 18 Exampl

What is the correct type for React Click Event?

I want to use a type for my event handler instead of using type any, Can anyone help me with this,please? here is the code I'm trying to refactor: const MyComp

dom is not updated after state change via Context API

I am quite new to React and tried to finish a project on FrontendMentor. It's basically a simple OPA of an online store with just one product and the ability to

Exported variable 'store' has or is using name '$CombinedState' from external module error Redux toolkit and redux persist

Hi I'm trying to get redux persist working with redux toolkit (also in typescript) I'm getting the following error: Exported variable 'store' has or is using na

Vertical carousel on scroll react

I want to have a section of the website which is fixed while to slide the carousel on scroll (vertically). Once you are at the last slide the scroll will let yo

How do I console.log a changed state in React?

I'm new to React and am working on someone else's code (thrown in the deep end). There is a simple button has a handleClick() handler. I want to increment a sp

React Error: You cannot render a <Router> inside another <Router>. You should never have more than one in your app

[index.js] import React from "react"; import ReactDOM from "react-dom"; import "./index.css"; import App from "./App"; import reportWebVitals from './reportWebV

Centered maps while pinch to zoom like Uber in react native

How to do it like a Uber app? <View> <MapView onRegionChangeComplete={(e) => { setLocalLocation({ latitude:

FormData with NextJS API

Background I am trying to create a simple CRUD application using NextJS along with react-redux, so what it does is that it saves peoples contacts.So when adding

Unable to mock react-redux hooks after migrating to 8

I have been using the following pattern to mock react-redux hooks in tests that use Enzyme shallow rendering: import * as redux from "react-readux"; ... jest.sp

TypeError: undefined is not an object (evaluating 'state.selectedData.push') - Can't add payload to state using Redux Toolkit

I'm having an issue using Redux Toolkit. I want to push an object to my initial state called selectedData which is an array, this gives me the error "TypeError:

react reducer toolkit dispatch not working

I wrote profile page I want to get profile datas from api but my dispatch not working, in getProfileDetails function dispatch not working. import {createSlice}

Draft.js headers do not get rendered properly

I have a next.js environment with tailwind installed and a simple draft.js Text Editor. In my Toolbar Component I toggle inline style and block styles. Everythi

How to style mui-rte CodeBlock

By default the CodeBlock is styled with a white-ish background and black-ish color. This works fine with a "light" palette but is unreadable with a "dark" palet

Framer Motion different Animations for different properties

I am trying to animate an animation in framer motion using Chakra-ui and Gatsby whereby there is rotation and movement and opacity change. At the moment the ani

After test:report:chrome Report generation done, Terminal not closing the instance, it keeps running

I am using protector, selenium for running the UI automation. For chrome driver I am using webdriver-manager for testing the UI Automation. It run successfully,

Typechecking React library with Styled Components

I'm currently working in a design system library to test some things. Basically, the library is a Styled Component wrapper in order to create themes. I built th

Only send values that have changed in formik onSubmit

I have a small table of data that is pre-filled by an api call on page load. Each row in the table has a facility name and an Enabled value which comes from the

Emailjs working in development but not in production

I have a Next js app that have a contact form. I'm using Emailjs to send email to my gmail account. This works perfect in development, but once I deployed it st