Svelte composition api

[crutchcorn]

This PR adds the Composition API to our Svelte adapter via a createFormRune function.

TODOs

• Port code
• Write tests
• Write docs
• Write example code

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 231ae85

Command	Status	Duration	Result
nx affected --targets=test:sherif,test:knip,tes...	✅ Succeeded	40s	View ↗
nx run-many --target=build --exclude=examples/**	✅ Succeeded	3s	View ↗

---

☁️ Nx Cloud last updated this comment at 2025-08-23 10:59:39 UTC

[pkg-pr-new]

More templates

• @tanstack/form-example-angular-array
• @tanstack/form-example-angular-large-form
• @tanstack/form-example-angular-simple
• @tanstack/form-example-angular-standard-schema
• @tanstack/form-example-lit-array
• @tanstack/form-example-lit-simple
• @tanstack/form-example-lit-standard-schema
• @tanstack/form-example-lit-ui-libraries
• @tanstack/form-example-react-array
• @tanstack/form-example-react-compiler
• @tanstack/form-example-react-dynamic
• @tanstack/field-errors-from-form-validators
• @tanstack/form-example-react-large-form
• @tanstack/form-example-react-next-server-actions
• @tanstack/form-example-react-query-integration
• @tanstack/form-example-remix
• @tanstack/form-example-react-simple
• @tanstack/form-example-react-standard-schema
• @tanstack/form-example-react-tanstack-start
• @tanstack/form-example-react-ui-libraries
• @tanstack/form-example-solid-array
• @tanstack/form-example-solid-large-form
• @tanstack/form-example-solid-simple
• @tanstack/form-example-solid-standard-schema
• @tanstack/form-example-svelte-array
• @tanstack/form-example-svelte-simple
• @tanstack/form-example-svelte-standard-schema
• @tanstack/form-example-vue-array
• @tanstack/form-example-vue-simple
• @tanstack/form-example-vue-standard-schema

@tanstack/angular-form

npm i https://pkg.pr.new/@tanstack/angular-form@1713

@tanstack/form-core

npm i https://pkg.pr.new/@tanstack/form-core@1713

@tanstack/lit-form

npm i https://pkg.pr.new/@tanstack/lit-form@1713

@tanstack/react-form

npm i https://pkg.pr.new/@tanstack/react-form@1713

@tanstack/solid-form

npm i https://pkg.pr.new/@tanstack/solid-form@1713

@tanstack/svelte-form

npm i https://pkg.pr.new/@tanstack/svelte-form@1713

@tanstack/vue-form

npm i https://pkg.pr.new/@tanstack/vue-form@1713

commit: 231ae85

[codecov]

Codecov Report

❌ Patch coverage is 67.64706% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.11%. Comparing base (d3a1b59) to head (231ae85).

Files with missing lines	Patch %	Lines
packages/svelte-form/src/createFormRune.svelte.ts	68.18%	6 Missing and 1 partial ⚠️
packages/svelte-form/src/AppForm.svelte	0.00%	2 Missing ⚠️
packages/svelte-form/src/AppField.svelte	66.66%	1 Missing ⚠️
packages/svelte-form/src/createForm.svelte.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1713      +/-   ##
==========================================
- Coverage   90.52%   83.11%   -7.41%     
==========================================
  Files          37        8      -29     
  Lines        1688       77    -1611     
  Branches      421        4     -417     
==========================================
- Hits         1528       64    -1464     
+ Misses        143       12     -131     
+ Partials       17        1      -16     

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