types(reactivity): remove this in get accessor, fix #800 (#806)

2020-03-10 04:01:49 +08:00
parent 257727569a
commit b13886b1ba
2 changed files with 3 additions and 3 deletions
--- a/packages/reactivity/src/collectionHandlers.ts
+++ b/packages/reactivity/src/collectionHandlers.ts
@@ -200,8 +200,8 @@ const readonlyInstrumentations: Record<string, Function> = {
  get(this: MapTypes, key: unknown) {
    return get(this, key, toReadonly)
  },
-  get size(this: IterableCollections) {
-    return size(this)
+  get size() {
+    return size((this as unknown) as IterableCollections)
  },
  has,
  add: createReadonlyMethod(add, TriggerOpTypes.ADD),