Console warning when forcing a rerender of a field using a key and a new validate function
Are you submitting a bug report or a feature request?
Bug report
What is the current behavior?
Changing the key of a field in order to rerender it with a new validate prop results in a console warning.
Example console warning from provided sandbox:
Warning: Cannot update a component (`TextField`) while rendering a different component (`TextField`). To locate the bad setState() call inside `TextField`, follow the stack trace as described in https://reactjs.org/link/setstate-in-render
at TextField (https://w7ue89.csb.app/src/App.tsx:55:19)
at ConditionalValidationTextField (https://w7ue89.csb.app/src/App.tsx:79:51)
at div
at form
at ReactFinalForm (https://w7ue89.csb.app/node_modules/react-final-form/dist/react-final-form.es.js:170:20)
at div
at AppWhat is the expected behavior?
There is no warning on rerender of field.
My understanding is that this is the proper way to change the inline validation on a field:
⚠️ IMPORTANT ⚠️ – By default, in order to allow inline fat-arrow validation functions, the field will not rerender if you change your validation function to an alternate function that has a different behavior. If you need your field to rerender with a new validation function, you will need to update another prop on the Field, such as key.
Sandbox Link
Example with a conditional validate function
What's your environment?
{
"final-form": "4.20.6",
"react": "18.0.0",
"react-dom": "18.0.0",
"react-final-form": "6.5.9",
"react-scripts": "4.0.3"
}Other information
There are a few related issues that have a similar symptom:
Source: final-form/react-final-form