Pros of react-native-cli

• Offers more flexibility and control over native modules and dependencies
• Allows direct access to native code for advanced customization
• Supports a wider range of third-party libraries and native modules

Cons of react-native-cli

• Steeper learning curve, especially for developers new to mobile development
• Requires more setup and configuration for each project
• May need additional tools and knowledge for managing native dependencies

Code Comparison

expo-cli:

import { Camera } from 'expo-camera';

const CameraComponent = () => (
  <Camera style={{ flex: 1 }} type={Camera.Constants.Type.back} />
);

react-native-cli:

import { RNCamera } from 'react-native-camera';

const CameraComponent = () => (
  <RNCamera style={{ flex: 1 }} type={RNCamera.Constants.Type.back} />
);

Both CLI tools serve different purposes and cater to different developer needs. expo-cli provides a smoother development experience with pre-configured tools and services, making it ideal for rapid prototyping and simpler apps. react-native-cli offers more control and customization options, suitable for complex projects requiring native module integration and advanced features. The choice between the two depends on the project requirements, developer expertise, and desired level of control over the development process.

Pros of Ionic CLI

• Supports multiple frameworks (Angular, React, Vue) for cross-platform development
• Offers a more comprehensive set of tools for building, testing, and deploying apps
• Provides better integration with native device features and plugins

Cons of Ionic CLI

• Steeper learning curve, especially for developers new to hybrid app development
• May have slower performance compared to native apps or Expo-built applications
• Requires more setup and configuration for certain features

Code Comparison

Expo CLI:

expo init my-app
cd my-app
expo start

Ionic CLI:

ionic start my-app blank
cd my-app
ionic serve

Both CLIs offer similar basic commands for project initialization and development. However, Ionic CLI provides more advanced commands for generating components, pages, and services specific to the chosen framework.

Expo CLI focuses on React Native development and offers a simpler setup process, while Ionic CLI supports multiple frameworks and provides more flexibility in terms of native functionality and customization.

Expo CLI is generally easier for beginners and rapid prototyping, whereas Ionic CLI is better suited for more complex, feature-rich applications that require deeper integration with native device capabilities.

Pros of nativescript-cli

• Provides direct access to native APIs, allowing for more advanced and platform-specific features
• Supports a wider range of programming languages, including TypeScript, JavaScript, and Angular
• Offers more flexibility in terms of project structure and third-party library integration

Cons of nativescript-cli

• Steeper learning curve, especially for developers new to mobile development
• Requires more setup and configuration compared to Expo's streamlined approach
• Smaller community and ecosystem compared to Expo, potentially leading to fewer resources and plugins

Code Comparison

NativeScript CLI (app.ts):

import { Application } from '@nativescript/core';

Application.run({ moduleName: 'app-root' });

Expo CLI (App.js):

import React from 'react';
import { View, Text } from 'react-native';
import { registerRootComponent } from 'expo';

function App() {
  return (
    <View>
      <Text>Hello, Expo!</Text>
    </View>
  );
}

registerRootComponent(App);

The NativeScript CLI example shows a more bare-bones approach to launching an application, while the Expo CLI example demonstrates its React-based structure and simplified setup process.