perf(runtime-vapor): tree-shake slot fallback from non-slot bundles

[edison1105]

Summary by CodeRabbit

• Refactoring
  • Restructured runtime feature management with conditional enablement for KeepAlive, Suspense, Teleport, and Transition components.
  • Features can now be dynamically activated or disabled at runtime based on application needs.
  • Improved code organization by consolidating feature-specific state and logic into dedicated modules for better maintainability.

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commit: d002033

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
compiler-dom.global.prod.js	86.4 kB	30.3 kB	26.6 kB
runtime-dom.global.prod.js	113 kB	42.4 kB	38 kB
vue.global.prod.js	172 kB	62.2 kB	55.5 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	51.3 kB	20 kB	18.3 kB
createApp	60.4 kB	23.3 kB	21.2 kB
createApp + vaporInteropPlugin	100 kB (+3.53 kB)	36.1 kB (+1.24 kB)	32.6 kB (+1.11 kB)
createVaporApp	27 kB (-7.94 kB)	10.5 kB (-2.34 kB)	9.64 kB (-2.15 kB)
createSSRApp	64.9 kB	25.1 kB	22.8 kB
createVaporSSRApp	32.6 kB (-8.86 kB)	12.5 kB (-2.6 kB)	11.5 kB (-2.37 kB)
defineCustomElement	67 kB	25.3 kB	23 kB
defineVaporCustomElement	39.8 kB (-2.51 kB)	14.2 kB (-882 B)	13 kB (-796 B)
overall	75.4 kB	28.7 kB	26.1 kB

[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@packages/runtime-vapor/src/transition.ts`:
- Around line 16-17: applyTransitionHooks and applyTransitionLeaveHooks are
exported but left undefined causing runtime throws when called (e.g.,
fragment.ts invokes applyTransitionLeaveHooks). Initialize both registries to
safe no-op defaults: replace the undefined exports with functions named
applyTransitionHooks and applyTransitionLeaveHooks that match their declared
types (ApplyTransitionHooksFn, ApplyTransitionLeaveHooksFn) and perform a safe
no-op (sync or returning Promise/void as required by the types) so callers in
fragment.ts and elsewhere can call them before any registration occurs without
crashing.

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Fix all unresolved CodeRabbit comments on this PR:

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ℹ️ Review info

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Configuration used: defaults

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Run ID: 86cefcc6-af3f-4324-946e-a27ad35a5f12

📥 Commits

Reviewing files that changed from the base of the PR and between d3a584d and d002033.

📒 Files selected for processing (19)

• packages/runtime-vapor/src/apiCreateDynamicComponent.ts
• packages/runtime-vapor/src/apiCreateFor.ts
• packages/runtime-vapor/src/apiDefineAsyncComponent.ts
• packages/runtime-vapor/src/apiTemplateRef.ts
• packages/runtime-vapor/src/block.ts
• packages/runtime-vapor/src/component.ts
• packages/runtime-vapor/src/components/KeepAlive.ts
• packages/runtime-vapor/src/components/Suspense.ts
• packages/runtime-vapor/src/components/Teleport.ts
• packages/runtime-vapor/src/fragment.ts
• packages/runtime-vapor/src/helpers/setKey.ts
• packages/runtime-vapor/src/helpers/useCssVars.ts
• packages/runtime-vapor/src/hmr.ts
• packages/runtime-vapor/src/index.ts
• packages/runtime-vapor/src/keepAlive.ts
• packages/runtime-vapor/src/suspense.ts
• packages/runtime-vapor/src/teleport.ts
• packages/runtime-vapor/src/transition.ts
• packages/runtime-vapor/src/vdomInterop.ts