perf: minor tweaks

2019-10-16 23:12:57 -04:00
parent 4771319a15
commit e3b68972d8
3 changed files with 19 additions and 21 deletions
--- a/packages/reactivity/src/baseHandlers.ts
+++ b/packages/reactivity/src/baseHandlers.ts
@@ -12,8 +12,9 @@ const builtInSymbols = new Set(
 )

 function createGetter(isReadonly: boolean) {
-  return function get(target: any, key: string | symbol, receiver: any) {
-    const res = Reflect.get(target, key, receiver)
+  return function get(target: any, key: string | symbol) {
+    // not using Reflect.get here for perf reasons
+    const res = target[key]
    if (isSymbol(key) && builtInSymbols.has(key)) {
      return res
    }