Validator Overhaul

[crutchcorn]

This PR:

• Renames onChange/onBlur/other validators to a validators={{onChange: () => void 0}} prefixed prop name
  • Update examples
  • Update tests
  • Update docs
• Change validators to pass object instead of two arguments
  • Update docs
• Renames validator (singular) to validatorAdapter
  • Update tests
  • Update docs
• Updates onMount to match the other APIs
  • Update tests
• Adds a createForm({validators: submit: () => void 0}) API
  • Write tests
• Add async onSubmit validation (so that it calls onChange/onBlur)
  • Write tests
• Add abort signal to async validators
  • Write tests
  • Write docs
• Refactor FormAPI and FieldAPI validate and validateAsync to share code

Closes #491

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[codecov-commenter]

Codecov Report

Attention: 18 lines in your changes are missing coverage. Please review.

Comparison is base (c2f9957) 84.55% compared to head (4a74b6e) 93.78%.
Report is 62 commits behind head on main.

Files	Patch %	Lines
packages/form-core/src/FormApi.ts	93.10%	8 Missing ⚠️
packages/form-core/src/FieldApi.ts	96.42%	3 Missing ⚠️
packages/form-core/src/utils.ts	96.07%	2 Missing ⚠️
packages/react-form/src/useField.tsx	75.00%	2 Missing ⚠️
packages/solid-form/src/createField.tsx	96.55%	1 Missing ⚠️
packages/solid-form/src/createForm.tsx	92.30%	1 Missing ⚠️
packages/solid-form/src/formContext.ts	83.33%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #527      +/-   ##
==========================================
+ Coverage   84.55%   93.78%   +9.23%     
==========================================
  Files           9       21      +12     
  Lines         395      644     +249     
  Branches      109      156      +47     
==========================================
+ Hits          334      604     +270     
+ Misses         52       37      -15     
+ Partials        9        3       -6     

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[crutchcorn]

The TypeCheck CI is failing due to this upstream bug in Vue:

vuejs/language-tools#3782

[aadito123]

Looks great!