fix(types): update inject and unref type (#888)

Author: MinatoHikari

src/apis/inject.ts

@@ -47,7 +47,12 @@ export function inject<T>(key: InjectionKey<T> | string): T | undefined
 export function inject<T>(
   key: InjectionKey<T> | string,
   defaultValue: T,
-  treatDefaultAsFactory?: boolean
+  treatDefaultAsFactory?: false
+): T
+export function inject<T>(
+  key: InjectionKey<T> | string,
+  defaultValue: T | (() => T),
+  treatDefaultAsFactory?: true
 ): T
 export function inject(
   key: InjectionKey<any> | string,

src/reactivity/ref.ts

@@ -113,7 +113,7 @@ export function isRef<T>(value: any): value is Ref<T> {
   return value instanceof RefImpl
 }
 
-export function unref<T>(ref: T): T extends Ref<infer V> ? V : T {
+export function unref<T>(ref: T | Ref<T>): T {
   return isRef(ref) ? (ref.value as any) : ref
 }