Function sendTokenToServer

messaging/main.ts:56–64

(currentToken: string)

// - send messages back to this app
// - subscribe/unsubscribe the token from topics
function sendTokenToServer(currentToken: string) {
  if (!isTokenSentToServer()) {
    console.log('Sending token to server...', currentToken);
    // TODO(developer): Send the current token to your server.
    setTokenSentToServer(true);
  } else {
    console.log('Token already sent to server so won\'t send it again unless it changes');
  }
}

function isTokenSentToServer() {
  return window.localStorage.getItem('sentToServer') === '1';