Update util find (#1205)

perf: update util find
vuejs · Mar 29, 2018 · e556943 · e556943 · Vcxinuo · May 3, 2018
1 parent f5ff95e
commit e556943
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/util.js b/src/util.js
@@ -7,7 +7,15 @@
  * @return {*}
  */
 export function find (list, f) {
-  return list.filter(f)[0]
+  const { length } = list
+  let index = 0
+  let value
+  while (++index < length) {
+    value = list[index]
+    if (f(value, index, list)) {
+      return value
+    }
+  }
 }
 
 /**