feat(runtime-vapor): implement defineVaporCustomElement type inference

[edison1105]

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Size Report

Bundles

File	Size	Gzip	Brotli
compiler-dom.global.prod.js	85.2 kB	29.9 kB	26.4 kB
runtime-dom.global.prod.js	108 kB	40.5 kB	36.5 kB
vue.global.prod.js	166 kB	60.5 kB	53.9 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	48.2 kB	18.8 kB	17.2 kB
createApp	57.2 kB	22 kB	20.1 kB
createApp + vaporInteropPlugin	96 kB	35.4 kB	31.9 kB
createVaporApp	42 kB	15.5 kB	14.1 kB
createSSRApp	61.6 kB	23.8 kB	21.7 kB
defineCustomElement	63.3 kB	23.8 kB	21.7 kB
overall	71.9 kB	27.2 kB	24.8 kB

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commit: ba17296

[Copilot]

Pull request overview

This PR implements type inference for defineVaporCustomElement, bringing it on par with the regular Vue custom element API. The key improvement is that users no longer need to use as any type assertions when working with custom element instances, as the props are now properly typed based on the component definition.

• Adds comprehensive TypeScript overloads for defineVaporCustomElement to infer prop types from component definitions
• Renames apiDefineVaporCustomElement.ts to apiDefineCustomElement.ts for consistency with naming conventions
• Removes unnecessary as any type assertions throughout the test suite, now that proper type inference is available

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/runtime-vapor/src/index.ts	Updates import path from apiDefineVaporCustomElement to apiDefineCustomElement and exports new type VaporElementConstructor
packages/runtime-vapor/src/dom/prop.ts	Updates import path for VaporElement type
packages/runtime-vapor/src/component.ts	Updates import path for VaporElement type
packages/runtime-vapor/src/apiDefineCustomElement.ts	Adds three type overloads for defineVaporCustomElement to support type inference for setup functions, options objects, and defineVaporComponent return values
packages/runtime-vapor/tests/customElement.spec.ts	Removes as any type assertions throughout tests, validating that type inference now works correctly; wraps async component definitions with defineVaporComponent for better type safety
packages-private/dts-test/vapor/defineVaporCustomElement.test-d.ts	Adds comprehensive type tests covering all three overload scenarios to validate proper type inference

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