Namaste React 🙏

Parcel 📦

• Dev Build
• Local Server
• HMR - Hot Module Replacement
• File Watching Algorithm - Written in C++
• Caching - Faster Builds
• Image Optimization
• Minification-
• Bundling
• Compress
• Consistent Hashing
• Code Splitting
• Differential Bundling - support older browsers
• Diagnostic
• Error Handling
• HTTPS
• Tree Shaking - remove unused code
• Different build for Dev and Production : Bundles

Two types of Export/Import

• Default Export/Import

• export default Component

• import Component from "path";

• Named Export/Import

• export const Component

• import {Component} from "path";

Two types of Routing in Web apps

• Client Side Routing
• Server Side Routing

Redux Toolkit RTK

• Install @reduxjs/toolkit and react-redux
• Build our store and connect to our app
• Create a Cart slice
• Dispatch an action
• Selector