chore(shared): remove extra NaN logic (vuejs#3837)

HomyeeKing · web-flow · commit 65f82ce94f8d · 2021-07-19T17:22:21.000-04:00
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
@@ -143,7 +143,7 @@ export const toHandlerKey = cacheStringFunction(
 
 // compare whether a value has changed, accounting for NaN.
 export const hasChanged = (value: any, oldValue: any): boolean =>
-  value !== oldValue && (value === value || oldValue === oldValue)
+  !Object.is(value, oldValue)
 
 export const invokeArrayFns = (fns: Function[], arg?: any) => {
   for (let i = 0; i < fns.length; i++) {
