text: import { registerApplication, start } from 'single-spa';
  
  registerApplication(
    'app-1', 
    () => import ('../app1/app1.js'), 
    pathPrefix('/app1')
  );
  
  registerApplication(
    'app-2', 
    () => import ('../app2/app2.js'), 
    pathPrefix('/app2')
  );
  
  registerApplication(
    'app-3',
    () => import ('../app3/vue.app'),
    (pathPrefix('/app3'))
  )
   
  start();
  
  function pathPrefix(prefix) {
    return function(location) {  
      return true;
      return location.pathname.startsWith(`${prefix}`);
    }
  }