Higher-Order Components (HOCs)
Higher-Order Components (HOCs) are a powerful pattern in React that allow you to reuse component logic across different components. An HOC is a function that takes a component and returns….
Tag: react hooks
Using GraphQL in React (Apollo Client)
GraphQL provides an efficient alternative to REST for data fetching in React applications. Apollo Client is the most popular GraphQL client for React. Here’s a comprehensive guide to integrating them:….
Formik Library for Form Handling
Formik is a popular form library for React that helps with form state management, validation, and submission handling. Here’s everything you need to know to use Formik effectively: Core Concepts….
Rules of Hooks
The Rules of Hooks are a set of guidelines in React that must be followed when using hooks in functional components. These rules ensure that hooks work as expected and….
useContext Hook
The useContext hook is a powerful hook in React that allows you to access the value of a context directly in a functional component, bypassing the need to pass props….
Process.env variables undefined in frontend code
If process.env variables are undefined in frontend JavaScript code, it is because process.env is a feature of Node.js, which runs on the backend. The browser does not have direct access….