meta(ai): Add form submit + mutation guidance to migration skill#115358
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priscilawebdev merged 3 commits intoMay 13, 2026
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Two patterns kept getting flagged in form-migration PR reviews but were not explicit in the migrate-frontend-forms skill: - No generics on `useMutation`. Type the `mutationFn` payload and use `fetchMutation<T>` for the return type. - Forms with a Save button must run the mutation inside `onSubmit` and use `<form.SubmitButton>`. A `<form.AppForm>` that is never submitted bypasses validation, pending/disabled state, and field-error wiring. Add a prominent "Patterns to Always Follow" section after the feature mapping table and matching items to the migration checklist. Refs #115256 (comment) Refs #115256 (comment) Co-Authored-By: Claude Opus 4.7 <[email protected]>
Restructure the previous commit so the two notes follow the skill's existing pattern (guidance embedded under the relevant feature subsection) instead of a new top-level section: - Move the `useMutation` generics note next to the existing "typing mutations correctly" callout under `getData → mutationFn`. - Move the "submit through the form" note under `saveOnBlur: false → useScrapsForm`, which is where the Save button pattern lives. The migration checklist entries stay — the checklist already aggregates points from across sections. Co-Authored-By: Claude Opus 4.7 <[email protected]>
The ✅ side of the submit block restated what the SlugForm example above already shows. Keep only the ❌ antipattern and point readers back to SlugForm for the correct shape. Co-Authored-By: Claude Opus 4.7 <[email protected]>
JonasBa
approved these changes
May 12, 2026
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Document two patterns in the
migrate-frontend-formsskill that keep getting flagged in review:useMutation— type themutationFnpayload;fetchMutation<T>carries the return type. Added next to the existing "typing mutations correctly" callout undergetData → mutationFn.onSubmit, Save button is<form.SubmitButton>. Don't render<form.AppForm>without anonSubmitand fire the mutation from a standalone<Button onClick>. Added undersaveOnBlur: false → useScrapsForm.Plus two matching items on the migration checklist.