refactor: types refactor

packages/core/src/optional/asyncComponent.ts

@@ -40,7 +40,7 @@ export function createAsyncComponent(
     error: errorComp
   } = options
 
-  return class AsyncContainer extends Component<AsyncContainerData> {
+  return class AsyncContainer extends Component<{}, AsyncContainerData> {
     data() {
       return {
         comp: null,

packages/core/src/optional/context.ts

@@ -8,7 +8,7 @@ interface ProviderProps {
   value: any
 }
 
-export class Provide extends Component<{}, ProviderProps> {
+export class Provide extends Component<ProviderProps> {
   updateValue() {
     // TS doesn't allow symbol as index :/
     // https://github.com/Microsoft/TypeScript/issues/24587

packages/core/src/optional/keepAlive.ts

@@ -15,7 +15,7 @@ type Cache = Map<CacheKey, VNode>
 
 export const KeepAliveSymbol = Symbol()
 
-export class KeepAlive extends Component<{}, KeepAliveProps> {
+export class KeepAlive extends Component<KeepAliveProps> {
   cache: Cache = new Map()
   keys: Set<CacheKey> = new Set()