diff --git a/packages/compiler-sfc/src/index.ts b/packages/compiler-sfc/src/index.ts
index 76b4900d46d..7c886a280e2 100644
--- a/packages/compiler-sfc/src/index.ts
+++ b/packages/compiler-sfc/src/index.ts
@@ -33,6 +33,8 @@ export {
 
 // Internals for type resolution
 export { invalidateTypeCache, registerTS } from './script/resolveType'
+export { extractRuntimeProps } from './script/defineProps'
+export { extractRuntimeEmits } from './script/defineEmits'
 
 // Types
 export type {
diff --git a/packages/compiler-sfc/src/script/defineEmits.ts b/packages/compiler-sfc/src/script/defineEmits.ts
index 02014d1b276..a308093e1f9 100644
--- a/packages/compiler-sfc/src/script/defineEmits.ts
+++ b/packages/compiler-sfc/src/script/defineEmits.ts
@@ -57,7 +57,7 @@ export function genRuntimeEmits(ctx: ScriptCompileContext): string | undefined {
   return emitsDecl
 }
 
-function extractRuntimeEmits(ctx: ScriptCompileContext): Set<string> {
+export function extractRuntimeEmits(ctx: ScriptCompileContext): Set<string> {
   const emits = new Set<string>()
   const node = ctx.emitsTypeDecl!
 
diff --git a/packages/compiler-sfc/src/script/defineProps.ts b/packages/compiler-sfc/src/script/defineProps.ts
index 5004e314da1..46f3f407c14 100644
--- a/packages/compiler-sfc/src/script/defineProps.ts
+++ b/packages/compiler-sfc/src/script/defineProps.ts
@@ -150,7 +150,7 @@ export function genRuntimeProps(ctx: ScriptCompileContext): string | undefined {
       }
     }
   } else if (ctx.propsTypeDecl) {
-    propsDecls = genRuntimePropsFromTypes(ctx)
+    propsDecls = extractRuntimeProps(ctx)
   }
 
   const modelsDecls = genModelProps(ctx)
@@ -162,7 +162,7 @@ export function genRuntimeProps(ctx: ScriptCompileContext): string | undefined {
   }
 }
 
-function genRuntimePropsFromTypes(ctx: ScriptCompileContext) {
+export function extractRuntimeProps(ctx: ScriptCompileContext) {
   // this is only called if propsTypeDecl exists
   const props = resolveRuntimePropsFromType(ctx, ctx.propsTypeDecl!)
   if (!props.length) {