flutter-form-builder-ecosystem / flutter-form-builder-ecosystem/flutter_form_builder

Asynchronous validator

Open
#838 1 comment 18 reactions 1 assignee Claimed by @deandreamatias View on GitHub
enhancement
Dominant language
Dart
Stars
1.6k
Forks
561
PR merge metrics
No merged PRs in 30d

Description

How do I validate asynchronously? The `validator` require `String` return so I can not add `Future`

How can I do like as below with Flutter form builder?
```
validator: myValidator
```
```
Future myValidator(String userId) async{
return await checkUser(userId);
}
```

Contributor guide

Open the contributing guide

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.