Initialising Stripe Terminal

StripeTerminalInit.js

import { Platform } from "react-native";
import StripeTerminal from "react-native-stripe-terminal";
import RNAndroidLocationEnabler from "react-native-android-location-enabler";
import { PERMISSIONS, request, RESULTS } from "react-native-permissions";

// can be similarly done for componentDidMount
useEffect(() => {
  request(Platform.select({
        android: PERMISSIONS.ANDROID.ACCESS_FINE_LOCATION,
        ios: PERMISSIONS.IOS.LOCATION_ALWAYS,
      }))
    .then((result) => {
      if(result === RESULTS.GRANTED){
        if (Platform.OS === "android") {
            return RNAndroidLocationEnabler.promptForEnableLocationIfNeeded({
                interval: 10000,
                fastInterval: 5000,
              })
        }
        return Promise.resolve(100); // dummy resolved promise
      } else {
          throw 'Permission is denied';
      }
    })
    .then(() => {
      if(data){
        StripeTerminal.initialize({
          fetchConnectionToken: () => {
            return axios.post(
              "https://your.backend.com/connection_token",
              {}
            )
              .then((res) => {
                return res.secret;
              })
              .catch((err) => {
                console.log(err);
              });
          },
        })
          .then((data) => {
            console.log('Stripe Terminal initialized');
          })
          .catch((err) => {
            console.log(err);
          });
      } else {
        throw 'error enabling location';
      }
    })
    .catch((err) => {
      console.log('You need to enable permission to use Stripe Terminal');
    });
},[]);