If a webform options element uses a views selection handler, and the view arguments use webform submission tokens (e.g. [webform_submission:values:field_1:raw]), then it would be nice to refresh the element when the webform element referenced in the token is changed. e.g. if Field A uses views selection handler with argument [webform_submission:values:field_b:raw], then refresh Field A with the new view results when Field B is changed.
Attached patch adds ajax updating to views-based entity options elements when elements used in the arguments change.
There's an 'Illegal choice detected' error in Test mode - the value seems to be set as a random string instead of using an option from the views results.
Closed: won't fix
6.2
Code
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There seems to no interest in this feature request and the current solution is breaking existing tests.
Please reopen this ticket is existing tests can be fixed and the feature can include additional test coverage.
This is a great feature, the patch still works, the value for views selection handler with argument needs to be [webform_submission:values:field_b:entity:id] if field_b is an entity_select type.