react native npm module

1. create your file index.js or create project
2. create package.json file 
   add this content
   {
  "name": "react-native-demo", //add your package name
  "version": "1.0.2",
  "description": "React-native project structure",
  "main": "index.js",
  "author": "xyz prr <abc@gmail.com>", // your name <email>
  "license": "MIT",
  "peerDependencies": {
    "react": ">= 15.x",
    "react-native": ">= 0.47.x"
  }
 }
 3. do npm install in you project folder
 4. do npm login 
    add username password
 5. add project on github
 6. do npm init
    add packagename, keywords, testcommand, and all things
 7. do npm publish
 
 and your package is ready
 
 now you can use it any where using npm install --save your-package-name