Validate Formfields for nested objects

[qroac]

I have a problem to validate formfields of nested objects that are managed in the same form as the main object.

e.g. for management of tasks:

• Title: Title of Task
• Desc: Description of Task
• step[0] Title: Title of first Step
• step[0] Desc: Description of first Step
• step[1] Title: Title of second Step
• step[1] Desc: Description of second Step

It is no problem to send forms like this to the backend. But I cannot find a way to use the current validation method to validate the nested formfields.

Describe the solution you'd like
I think it would be great to have a notation like this for the validation of form fields:

• "field": validators for simple field, as it is now
• "nestedList[].field": validators applied for "field" of every item in the nested list
• "nestedList[]": special array validators e.g. for requireing min/max amount of items in that list

[larixer]

@Theweird Have you studied this code?
https://github.com/sysgears/apollo-universal-starter-kit/blob/master/modules/validation/common-react/validation.ts

[qroac]

Yes, I already tried to figure out if I already can use it for my case.
Do you think it could already work?
How would I define the validation entry e.g. for step[i].title?

[larixer]

@Theweird Why do you think it shouldn't work? I think it should work, based on the code I see there

[larixer]

@Theweird How about actually trying to read this code and run it in the debugger if you don't understand it. or insert console.log ? This code is open, it is small, you can read it and figure out what it is doing