wip: computed

packages/observer/src/value.ts

@@ -1,20 +1,25 @@
 import { track, trigger } from './effect'
 import { OperationTypes } from './operations'
+import { isObject } from '@vue/shared'
+import { observable } from './index'
 
-const knownValues = new WeakSet()
+export const knownValues = new WeakSet()
 
 export interface Value<T> {
   value: T
 }
 
+const convert = (val: any): any => (isObject(val) ? observable(val) : val)
+
 export function value<T>(raw: T): Value<T> {
+  raw = convert(raw)
   const v = {
     get value() {
       track(v, OperationTypes.GET, '')
       return raw
     },
     set value(newVal) {
-      raw = newVal
+      raw = convert(newVal)
       trigger(v, OperationTypes.SET, '')
     }
   }