[IMP] reactivity: toRaw now works with non reactive objects

doc/reference/reactivity.md

@@ -117,3 +117,10 @@ rawState.value = 3; // will NOT be picked up by the reactivity system!!!
 Here again, this is useful in some situations where we want to explicitely bypass
 Owl, but using this function means that the responsability of coordinating
 state update is given to the user code, instead of Owl. Subtle bugs may arise!
+
+Also, normal (non-reactive objects) will be directly returned by `toRaw`:
+
+```js
+const obj = { a: 1 };
+console.log(toRaw(obj) === obj); // true
+```

src/reactivity.ts

@@ -57,7 +57,7 @@ export function markRaw<T extends Target>(value: T): NonReactive<T> {
  * @returns the underlying value
  */
 export function toRaw<T extends object>(value: Reactive<T>): T {
-  return value[TARGET];
+  return value[TARGET] || value;
 }
 
 const targetToKeysToCallbacks = new WeakMap<Target, Map<ObjectKey, Set<Callback>>>();

tests/reactivity.test.ts

@@ -1131,6 +1131,11 @@ describe("toRaw", () => {
     expect(reactiveObj).not.toBe(obj);
     expect(toRaw(reactiveObj as Reactive<typeof obj>)).toBe(obj);
   });
+
+  test("giving a non reactive to toRaw return the object itself", () => {
+    const obj = { value: 1 };
+    expect(toRaw(obj as Reactive<typeof obj>)).toBe(obj);
+  });
 });
 
 describe("Reactivity: useState", () => {