chore(reactivity): optimize reactive judgment

Author: OnlyWick

packages/reactivity/src/reactive.ts

@@ -296,11 +296,11 @@ function createReactiveObject(
  * @param value - The value to check.
  * @see {@link https://vuejs.org/api/reactivity-utilities.html#isreactive}
  */
-export function isReactive(value: unknown): boolean {
+export function isReactive(value: any): boolean {
   if (isReadonly(value)) {
-    return isReactive((value as Target)[ReactiveFlags.RAW])
+    return isReactive(value[ReactiveFlags.RAW])
   }
-  return !!(value && (value as Target)[ReactiveFlags.IS_REACTIVE])
+  return value ? !!value[ReactiveFlags.IS_REACTIVE] : false
 }
 
 /**
@@ -314,12 +314,12 @@ export function isReactive(value: unknown): boolean {
  * @param value - The value to check.
  * @see {@link https://vuejs.org/api/reactivity-utilities.html#isreadonly}
  */
-export function isReadonly(value: unknown): boolean {
-  return !!(value && (value as Target)[ReactiveFlags.IS_READONLY])
+export function isReadonly(value: any): boolean {
+  return value ? !!value[ReactiveFlags.IS_READONLY] : false
 }
 
-export function isShallow(value: unknown): boolean {
-  return !!(value && (value as Target)[ReactiveFlags.IS_SHALLOW])
+export function isShallow(value: any): boolean {
+  return value ? !!value[ReactiveFlags.IS_SHALLOW] : false
 }
 
 /**