react-native-start:tldr:c8ab4

The "react-native start --reset-cache" command is used to start the React Native development server while also resetting the Metro Bundler cache.

Here's what each part of the command does:

• "react-native start": This portion is used to start the React Native development server. The development server runs the Metro Bundler, which bundles the JavaScript code for your React Native app and serves it to the app running on the emulator or a physical device.
• "--reset-cache": This option is used to reset the Metro Bundler cache. The Metro Bundler maintains a cache of the JavaScript modules that your app uses, which can improve the build speed. However, sometimes the cache can cause issues, such as when you have made changes to the code that are not reflected in the app. Adding the "--reset-cache" option ensures that the cache is cleared before starting the server, so you start with a clean slate.

By running the "react-native start --reset-cache" command, you start the development server and also make sure that any cached JavaScript modules are cleared, ensuring that you have the latest code changes when running your React Native app.