From e861d6df0142c6a5233a5a04c3776774993b43d9 Mon Sep 17 00:00:00 2001
From: fxy060608 <fxy060608@gmail.com>
Date: Thu, 18 Jun 2020 17:49:54 +0800
Subject: [PATCH] fix(mp):  arguments for event handlers #1796

---
 src/core/runtime/wrapper/util.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/runtime/wrapper/util.js b/src/core/runtime/wrapper/util.js
index 79db9f980..2c264dcea 100644
--- a/src/core/runtime/wrapper/util.js
+++ b/src/core/runtime/wrapper/util.js
@@ -372,6 +372,12 @@ function processEventExtra (vm, extra, event) {
         } else {
           if (dataPath === '$event') { // $event
             extraObj['$' + index] = event
+          } else if (dataPath === 'arguments') {
+            if (event.detail && event.detail.__args__) {
+              extraObj['$' + index] = event.detail.__args__
+            } else {
+              extraObj['$' + index] = [event]
+            }
           } else if (dataPath.indexOf('$event.') === 0) { // $event.target.value
             extraObj['$' + index] = vm.__get_value(dataPath.replace('$event.', ''), event)
           } else {
@@ -533,4 +539,4 @@ export function handleEvent (event) {
   ) {
     return ret[0]
   }
-}
+}
-- 
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