How to check the installed version of React-Native

I'm going to upgrade react-native but before I do, I need to know which version I'm upgrading from to see if there are any special notes about upgrading from my version.

How do I find the version of react-native I have installed on my Mac?

To see what version you have on your Mac(Window also can run that code.), run react-native -v and you should get something like this:

If you want to know what version your project is running, look in /node_modules/react-native/package.json and look for the version key:

The best practice for checking the react native environment information.

react-native info

which will give the information

React Native Environment Info:
System:
  OS: Linux 4.15 Ubuntu 18.04.1 LTS (Bionic Beaver)
  CPU: (8) x64 Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
  Memory: 2.08 GB / 7.67 GB
  Shell: 4.4.19 - /bin/bash
Binaries:
  Node: 8.10.0 - /usr/bin/node
  Yarn: 1.12.3 - /usr/bin/yarn
  npm: 3.5.2 - /usr/bin/npm
npmPackages:
  react: 16.4.1 => 16.4.1 
  react-native: 0.56.0 => 0.56.0 
npmGlobalPackages:
  react-native-cli: 2.0.1
  react-native: 0.57.8

You can also open your package.json file in node_modules -> react-native.

The version is at the top:

 {
  "name": "react-native",
  "version": "0.12.0",
  ...
 }

If you want to see which version of react-native, react or another one you are running, open your terminal or cmd and run the desired command

npm view react-native version
0.63.4
npm view react version
17.0.1
npm view react-scripts version
4.0.1
npm view react-dom version
17.0.1

Move to the root of your App then execute the following command,

react-native -v

In my case, it is something like below,

MacBook-Pro:~ admin$ cd projects/

MacBook-Pro:projects admin$ cd ReactNative/

MacBook-Pro:ReactNative admin$ cd src/

MacBook-Pro:src admin$ cd Apps/

MacBook-Pro:Apps admin$ cd CabBookingApp/

MacBook-Pro:CabBookingApp admin$ ls
MyComponents		__tests__		app.json		index.android.js	
ios			package.json
MyStyles		android			img			index.ios.js		
node_modules

Finally,

MacBook-Pro:CabBookingApp admin$ react-native -v
react-native-cli: 2.0.1
react-native: 0.44.0

To see the local packages installed in your project including their versions and without their dependencies, run the below command from the project's root directory. In a React native app this would include the react-native package.

npm list --depth 0

Or if you installed them with yarn:

yarn list --depth=0

And to get just a specific package:

npm list react-native --depth 0
yarn list --pattern react-native --depth=0

this works for me

npm view react-native version

Output is: 0.63.4

npm view react version

17.0.1

npm view react-scripts version

4.0.1

npm view react-dom version

17.0.1`

Find out which react-native is installed globally:

npm ls react-native -g

If you are using npx you can run:

npx npm view react-native version

If you have installed "react-native" globally then just open terminal/command line tool and type react-native -v you will get your answer.

And if you have installed "react-native" for a specific project then open terminal/command line tool and then navigate to your project and type react-native -v you will get your answer.

You can run this command in Terminal:

> react-native --version

This will give react-native CLI version

Or check in package.json under

"dependencies": {
    "react": "16.11.0",
    "react-native": "0.62.2",
}

I know 2 ways to test react-native version

1. Open cmd and type 'react-native --v' or 'react-native --version'
2. Open your project and open package.json file. U will see react-native version

First, make sure npm is installed on your system. Use: [sudo] npm install npm -g to download and install it.

Just Do a "npm audit" on your project directory and then go to your project package.json file. In the package.json file you will find all the versions and the package names.This should work irrespective of the OS.

You have two option

1. run in cmd or Terminal

react --version
react-native --version

2. check in the project files, open the Package.json

Check your Package.json file to know react-native version.

OR

Open terminal and run command react-native -v

react-native Usage: bin [options]

Options: --version Print CLI version --verbose Increase logging verbosity -h, --help output usage information react-native --version use this command

If you installed react native globally, on your terminal type:

  react-native --version

But if you installed without the global flag -g, type:

 npx react-native --version

Or

 yarn react-native --version

(If you have yarn installed)

If you have installed "react-native" globally then just open your terminal and use react-native -v to get the version installed on your pc.

Just open the below file in your project :-

> package.json

under dependencies object you will get the version of react-native