From 15316102a8da0cc5cf37562759de4d8c74c2a7d8 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Tue, 16 Nov 2021 16:53:43 +0800
Subject: [PATCH] fix(mp-jd): mpInstance.triggerEvent

---
 .../packages/mp-vue/dist/mp.runtime.esm.js                | 2 +-
 src/platforms/mp-weixin/runtime/index.js                  | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/vue-cli-plugin-uni/packages/mp-vue/dist/mp.runtime.esm.js b/packages/vue-cli-plugin-uni/packages/mp-vue/dist/mp.runtime.esm.js
index 61b63e036..8c6c56515 100644
--- a/packages/vue-cli-plugin-uni/packages/mp-vue/dist/mp.runtime.esm.js
+++ b/packages/vue-cli-plugin-uni/packages/mp-vue/dist/mp.runtime.esm.js
@@ -5827,7 +5827,7 @@ function internalMixin(Vue) {
 
   Vue.prototype.$emit = function(event) {
     if (this.$scope && event) {
-      this.$scope['triggerEvent'](event, {
+      (this.$scope['_triggerEvent'] || this.$scope['triggerEvent'])(event, {
         __args__: toArray(arguments, 1)
       });
     }
diff --git a/src/platforms/mp-weixin/runtime/index.js b/src/platforms/mp-weixin/runtime/index.js
index 3a0de61c3..3c4204ae8 100644
--- a/src/platforms/mp-weixin/runtime/index.js
+++ b/src/platforms/mp-weixin/runtime/index.js
@@ -14,9 +14,15 @@ const customize = cached((str) => {
 
 function initTriggerEvent (mpInstance) {
   const oldTriggerEvent = mpInstance.triggerEvent
-  mpInstance.triggerEvent = function (event, ...args) {
+  const newTriggerEvent = function (event, ...args) {
     return oldTriggerEvent.apply(mpInstance, [customize(event), ...args])
   }
+  try {
+    // 京东小程序 triggerEvent 为只读
+    mpInstance.triggerEvent = newTriggerEvent
+  } catch (error) {
+    mpInstance._triggerEvent = newTriggerEvent
+  }
 }
 
 function initHook (name, options, isComponent) {
-- 
GitLab