fix: resolve conflicts with vue2 interface

src/component/componentProxy.ts

@@ -19,6 +19,7 @@ import {
 } from './componentOptions'
 import {
   ComponentInternalInstance,
+  ComponentRenderEmitFn,
   EmitFn,
   EmitsOptions,
   ObjectEmitsOptions,
@@ -67,8 +68,8 @@ export type ComponentRenderProxy<
       ? Partial<Defaults> & Omit<P & PublicProps, keyof Defaults>
       : P & PublicProps
   >
-  $attrs: Data
-  $emit: EmitFn<Emits>
+  $attrs: Record<string, string>
+  $emit: ComponentRenderEmitFn<Emits>
 } & Readonly<P> &
   ShallowUnwrapRef<B> &
   D &

src/runtimeContext.ts

@@ -1,4 +1,5 @@
 import type { VueConstructor, VNode } from 'vue'
+import Vue$1 from 'vue'
 import { bindCurrentScopeToVM, EffectScope } from './apis/effectScope'
 import { ComponentInstance, Data } from './component'
 import {
@@ -121,19 +122,26 @@ export type EmitsOptions = ObjectEmitsOptions | string[]
 
 export type EmitFn<
   Options = ObjectEmitsOptions,
-  Event extends keyof Options = keyof Options
+  Event extends keyof Options = keyof Options,
+  ReturnType extends void | Vue$1 = void
 > = Options extends Array<infer V>
-  ? (event: V, ...args: any[]) => void
+  ? (event: V, ...args: any[]) => ReturnType
   : {} extends Options // if the emit is empty object (usually the default value for emit) should be converted to function
-  ? (event: string, ...args: any[]) => void
+  ? (event: string, ...args: any[]) => ReturnType
   : UnionToIntersection<
       {
         [key in Event]: Options[key] extends (...args: infer Args) => any
-          ? (event: key, ...args: Args) => void
-          : (event: key, ...args: any[]) => void
+          ? (event: key, ...args: Args) => ReturnType
+          : (event: key, ...args: any[]) => ReturnType
       }[Event]
     >
 
+export type ComponentRenderEmitFn<
+  Options = ObjectEmitsOptions,
+  Event extends keyof Options = keyof Options,
+  V extends Vue$1 = Vue$1
+> = EmitFn<Options, Event, V>
+
 export type Slots = Readonly<InternalSlots>
 
 export interface SetupContext<E = EmitsOptions> {