types: Use unique symbol type for _isRef property of ref object (#118)

2019-10-06 08:02:50 +05:30
parent caa9297da6
commit f58e5e96f2
3 changed files with 4 additions and 2 deletions
--- a/packages/reactivity/src/effect.ts
+++ b/packages/reactivity/src/effect.ts
@@ -131,7 +131,7 @@ export function track(
      targetMap.set(target, (depsMap = new Map()))
    }
    let dep = depsMap.get(key!)
-    if (!dep) {
+    if (dep === void 0) {
      depsMap.set(key!, (dep = new Set()))
    }
    if (!dep.has(effect)) {