Custome Javascript Validation

validation.js

$(".finish").on("click", function (ev) {
 ev.stopImmediatePropagation();
 let isValid = true;
  //Loop on all formyoula fields
  Object.keys(formyoula.form_fields).forEach(function(component_id) {
    //Regex for element component id
    if (/^[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}$/.test(component_id)) {
      //Get component
      let component = formyoula.form_fields[component_id];
      //Check if component attribute is available and value is empty
      if ( component.attributes && component.attributes.required && _.isEmpty( component.attributes.value ) ) {
          isValid = false;
       }
    }
 });
  if ( !isValid ) {
    //Show the custome Error message
    window.formyoula.show_alert({message: 'Please check the requried Field', title: 'Required Field Error'});
    return false;  
   }
  //Submit the form
  $(".finish").off("click").click();
});