Steuern von mehrstufigen Formularverzweigungen über Map-Bedingungen

import { ref } from 'vue';
 
const currentStep = ref('account_type');
const formData = ref({ accountType: 'business', vatRegistered: true });
 
const stepTransitions = new Map([
  ['account_type', (data) => data.accountType === 'business' ? 'vat_details' : 'personal_info'],
  ['vat_details', (data) => data.vatRegistered ? 'company_id' : 'address_details'],
  ['personal_info', () => 'address_details']
]);
 
function advanceStep() {
  const transitionFn = stepTransitions.get(currentStep.value);
  if (transitionFn) {
    currentStep.value = transitionFn(formData.value);
  }
}