React Native CodeGen and Architecture

The video tutorial by Oscar, a software developer, explains the re-architecture of React Native, focusing on the JavaScript Interface (JSI). It covers the limitations of the old bridge system and introduces the new architecture components: Turbo Modules, Code Generation, and Fabric Renderer. Turbo Modules allow lazy initialization of packages, improving app start times. Code Generation helps in synchronizing native and JavaScript APIs. The JSI enables direct communication with native code, enhancing performance. The Fabric Renderer leverages these components for better UI rendering. The tutorial aims to prepare developers for these changes.

What is the main goal of React Native's re-architecture?

• To add more features to the framework

• To simplify the codebase

• To improve performance by removing the bridge

• To make it compatible with more platforms

What is the primary function of Turbo Modules in React Native?

• To simplify JavaScript code

• To enhance UI design

• To improve network communication

• To allow lazy initialization of native packages

How do Turbo Modules affect the startup time of a React Native app?

• They increase the startup time

• They have no effect on startup time

• They decrease the startup time by lazy loading

• They make the app crash more often

What does CodeGen help developers with in React Native?

• Creating UI components

• Generating boilerplate code for native modules

• Improving app security

• Enhancing app performance

Which programming languages can be used to fill in the implementation after using CodeGen?

• C++ and Kotlin

• Ruby and Swift

• JavaScript and Python

• PHP and Java

What is the role of JSI in React Native?

• To facilitate direct communication with native code

• To simplify JavaScript syntax

• To enhance network capabilities

• To improve UI design

Why is JSI not considered a React Native-only feature?

• Because it is implemented in the JavaScript engine

• Because it is a standalone library

• Because it is not yet released

• Because it is used in other frameworks

What is the main advantage of the Fabric Renderer over the old bridge?

• It supports more platforms

• It provides better performance by using JSI

• It simplifies the codebase

• It enhances security

What is a potential issue with the current implementation of Fabric?

• It is not compatible with iOS

• It can crash due to unfinished APIs

• It does not support animations

• It is slower than the old bridge

Which React Native version is expected to include the Fabric Renderer?

• 0.70

• 0.60

• 0.62

• 0.65