react-native-calendar-events authorization setup

app.js

import RNCalendarEvents from 'react-native-calendar-events'

export default App extends Componemnt {
  constructor() {
    super();
    this.state = {
      cal_auth: ''
    }
  }

  componentWillMount ()
    // iOS
    RNCalendarEvents.authorizationStatus()
     .then(status => {
       // if the status was previous accepted, set the authorized status to state
       this.setState({ cal_auth: status })
       if(status === 'undetermined') {
         // if we made it this far, we need to ask the user for access 
         RNCalendarEvents.authorizeEventStore()
         .then((out) => {
           if(out == 'authorized') {
             // set the new status to the auth state
             this.setState({ cal_auth: out })
           }
         })
        }
      })
    .catch(error => console.warn('Auth Error: ', error));
  
    // Android
    RNCalendarEvents.authorizeEventStore()
    .then((out) => {
      if(out == 'authorized') {
        // set the new status to the auth state
        this.setState({ cal_auth: out })
      }
    })
    .catch(error => console.warn('Auth Error: ', error));
  }

  ...

Thanks for writing the tutorial helping me to setup the permission request for Calendar!
I found few things that might need attention.

1. is 'class ' missed in line3?
2. will line 11 have curly braces?