fix(taro): 在memo中增加对state的浅判断 (#3563)

close #3527
NervJS · Jul 1, 2019 · 19eef47 · 19eef47
1 parent 0418ee2
commit 19eef47
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/packages/taro/src/memo.js b/packages/taro/src/memo.js
@@ -1,8 +1,11 @@
 import { isFunction, objectIs } from './util'
 
 export function memo (component, propsAreEqual) {
-  component.prototype.shouldComponentUpdate = function (nextProps) {
-    return isFunction(propsAreEqual) ? !propsAreEqual(this.props, nextProps) : !objectIs(this.props, nextProps)
+  component.prototype.shouldComponentUpdate = function (nextProps, nextState) {
+    return (
+      (isFunction(propsAreEqual) ? !propsAreEqual(this.props, nextProps) : !objectIs(this.props, nextProps)) &&
+      !objectIs(this.state, nextState)
+    )
   }
 
   return component