refactor: depend on scheduler directly in core instead of injecting via createRenderer

packages/observer/README.md

@@ -11,3 +11,8 @@ The implementation of this module is inspired by the following prior art in the
 - [Meteor Tracker](https://docs.meteor.com/api/tracker.html)
 - [nx-js/observer-util](https://github.com/nx-js/observer-util)
 - [salesforce/observable-membrane](https://github.com/salesforce/observable-membrane)
+
+
+## Caveats
+
+- Built-in objects are not observed except for `Map`, `WeakMap`, `Set` and `WeakSet`.

packages/observer/__tests__/collections/Map.spec.ts

@@ -235,5 +235,15 @@ describe('observer/collections', () => {
       observed.get('key').a = 2
       expect(dummy).toBe(2)
     })
+
+    it('should observe iterated values (forEach)', () => {})
+
+    it('should observe iterated values (values)', () => {})
+
+    it('should observe iterated values (keys)', () => {})
+
+    it('should observe iterated values (entries)', () => {})
+
+    it('should observe iterated values (for...of)', () => {})
   })
 })

packages/observer/src/collectionHandlers.ts

@@ -158,6 +158,7 @@ const immutableInstrumentations: any = {
     const target = unwrap(this)
     const proto: any = Reflect.getPrototypeOf(target)
     track(target, OperationTypes.ITERATE)
+    // TODO values retrived from iterations should also be observables
     return proto[method].apply(target, args)
   }
 })