[typescript] add tests and implementation for FieldArrayProps

[rosskevin]

Closes #17

Depends on final-form/final-form-arrays#8
Depends on final-form/react-final-form#129

[rosskevin]

Once versions are bumped for final-form/final-form-arrays#8 and final-form/react-final-form#129, this one will be good to go.

[erikras]

Doh! @rosskevin.

src/FieldArray.d.test.tsx(19,25): error TS2459: Type '{ [key: string]: Function; } | undefined' has no property 'pop' and no string index signature

[rosskevin]

I'll check it out

[rosskevin]

This should have been fixed by my change to react-final-form. FormRenderProps.mutatators should be defined, not undefined. https://github.com/final-form/react-final-form/pull/129/files#diff-b739f95ace6bbf2f0fd5e8cf1dab97d8R47

Checking now to see what's the deal with the release.

[rosskevin]

@erikras react-final-form needs a release, then needs bumped here.

[rosskevin]

@erikras - I'm not sure why there are unrelated test failures. If you can take a look, I would appreciate it.

On an unrelated note, I found more ts inaccuracies (here) - I'll work on that now, let's leave this open.

[rosskevin]

@erikras FieldState (e.g. active | blur) is being picked up in ...meta, so either the runtime is wrong or the types are wrong. where should FieldState be in the FieldArrayRenderProps?

[rosskevin]

Snapshot of FieldState mixed into render props (all but value under meta):

[rosskevin]

@erikras I think all FieldState values should be moved under fields. The types imply it already and I think that makes sense. Should I make that change?

[erikras]

Should I make that change?

[rosskevin]

@erikras any ideas about the test failure? https://travis-ci.org/final-form/react-final-form-arrays/builds/332369245

Seems like the upstream dependencies changed and are causing a failure on the field-level validation test (that's speculation btw)

[codecov]

Codecov Report

Merging #18 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #18   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           5      5           
  Lines          64     66    +2     
  Branches       16     15    -1     
=====================================
+ Hits           64     66    +2

Impacted Files	Coverage Δ
src/FieldArray.js	100% <100%> (ø)	⬆️

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[erikras]

Fixed it.

[rosskevin]

Great, thank you. This one is good to merge/release

[erikras]

Published in v1.0.3.