Add docs and tests for Field Arrays #492

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1. crutchcorn

   added

   type: enhancementThis requests an enhancement to existing behaviour.This requests an enhancement to existing behaviour.

   good first issueGood for newcomersGood for newcomers

   on Oct 27, 2023
2. Christian24 commented on Oct 30, 2023

   

   Christian24

   on Oct 30, 2023

   Last edited by Christian24

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   I just tested this in my prototype. How is the API meant to work? I just iterated over the array and built the field name with the index aka

   { name: `employees[${index}].color` }

   This seems to work fine, but DeepKeys does not support it. Is this how you envision the API for FieldArrays though, @crutchcorn?

   Btw my updated prototype is here: https://github.com/Christian24/tanstack-form-lit-prototype/tree/arrays
3. Christian24 commented on Oct 31, 2023

   

   Christian24

   on Oct 31, 2023

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   Upon further investigation it seems correct names look as follows:

   { name: `employees.${index}.color` }

   This works and types also work for this.
4. Christian24 commented on Nov 1, 2023

   

   Christian24

   on Nov 1, 2023

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   Interestingly, there seems to be some documentation on the website already: https://tanstack.com/form/latest/docs/guides/basic-concepts#array-fields

   I did do a quick find usages on index though and Webstorm said it was used nowhere. So, I have no idea if these examples are correct.
5. Christian24 commented on Nov 2, 2023

   

   Christian24

   on Nov 2, 2023

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   There are also already tests present, so maybe this can be closed @crutchcorn
6. crutchcorn commented on Nov 3, 2023

   

   crutchcorn

   on Nov 3, 2023

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   Yea this deffo can be closed, my bad
7. crutchcorn

   closed this as completedon Nov 3, 2023