Install Visual Studio Code for Mac from here. This requires you to enter system password. brew install watchmanĬocoapods: This is the Dependency Manager for iOS & Mac projects. Watchman: In react-native, Watchman watches the source code for any changes and rebuilds them. The recommended way to install Node is using Homebrew from your Terminal: brew install node Install the following dependencies for React-Native: I’m working on MacOS Catalina and I already have Xcode 11 installed on my machine which is one of the pre-requisites to run the iOS App. The very first step to start development in React-Native is to install the right tools to setup the environment correctly.