Function addNumbers

functions/public/scripts/main.ts:67–99

()

// Add Click events to buttons.
// Adds two numbers by calling the `addNumbers` server-side function.
function addNumbers() {
  const firstNumberValue = parseFloat(firstNumber.value);
  const secondNumberValue = parseFloat(secondNumber.value);
  addNumbersButton.disabled = true;
  const sendNotification = httpsCallable(functions, 'addNumbers');
  sendNotification({ firstNumber: firstNumberValue, secondNumber: secondNumberValue }).then(function(result) {
      console.log('Cloud Function called successfully.', result);
      // Read results of the Cloud Function.
      const data = result.data as {
        firstNumber: number,
        secondNumber: number,
        operationResult: number,
        operator: string
      };
      const firstNumber = data.firstNumber;
      const secondNumber = data.secondNumber;
      const operationResult = data.operationResult;
      const operator = data.operator;
      window.alert('Here is the result of the formula: ' + firstNumber + ' '
        + operator + ' ' + secondNumber + ' = ' + operationResult);
      addNumbersButton.disabled = false;
    }
  ).catch(function(error) {
    // Getting the Error details.
    const code = error.code;
    const message = error.message;
    const details = error.details;
    console.error('There was an error when calling the Cloud Function', error);
    window.alert('There was an error when calling the Cloud Function:\n\nError Code: '
      + code + '\nError Message:' + message + '\nError Details:' + details);
    addNumbersButton.disabled = false;
  });
}

// Adds a message to the Realtime Database by calling the `addMessage` server-side function.
function addMessage() {