From: edison <daiwei521@126.com>
Date: Tue, 30 Mar 2021 14:53:14 +0000 (+0800)
Subject: perf(runtime-core): optimize the performance of getTypeIndex (#3206)
X-Git-Tag: v3.0.10~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e50acfbb89c29a071765d7f3967d2ccaf14f375;p=thirdparty%2Fvuejs%2Fcore.git

perf(runtime-core): optimize the performance of getTypeIndex (#3206)
---

diff --git a/packages/runtime-core/src/componentProps.ts b/packages/runtime-core/src/componentProps.ts
index 3ea727ddcc..476fba887d 100644
--- a/packages/runtime-core/src/componentProps.ts
+++ b/packages/runtime-core/src/componentProps.ts
@@ -456,11 +456,7 @@ function getTypeIndex(
   expectedTypes: PropType<any> | void | null | true
 ): number {
   if (isArray(expectedTypes)) {
-    for (let i = 0, len = expectedTypes.length; i < len; i++) {
-      if (isSameType(expectedTypes[i], type)) {
-        return i
-      }
-    }
+    return expectedTypes.findIndex(t => isSameType(t, type))
   } else if (isFunction(expectedTypes)) {
     return isSameType(expectedTypes, type) ? 0 : -1
   }