From f20e456d7203cd98409e4b64aa0b09e3e233bee8 Mon Sep 17 00:00:00 2001
From: DCloud_LXH <283700113@qq.com>
Date: Mon, 26 Sep 2022 14:37:28 +0800
Subject: [PATCH] fix(nvue): support App onError #3851

---
 packages/uni-shared/src/onCreateVueApp.ts | 13 +++++++++++++
 packages/uni-vue/src/index.ts             | 10 +++++-----
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/packages/uni-shared/src/onCreateVueApp.ts b/packages/uni-shared/src/onCreateVueApp.ts
index ecff98edd..26641a22d 100644
--- a/packages/uni-shared/src/onCreateVueApp.ts
+++ b/packages/uni-shared/src/onCreateVueApp.ts
@@ -1,4 +1,6 @@
 import type { App } from 'vue'
+import { isFunction } from '@vue/shared'
+import { once } from './utils'
 type CreateVueAppHook = (app: App) => void
 
 let vueApp: App
@@ -18,3 +20,14 @@ export function invokeCreateVueAppHook(app: App) {
   vueApp = app
   createVueAppHooks.forEach((hook) => hook(app))
 }
+
+export const invokeCreateErrorHandler = once(
+  (
+    app: App,
+    createErrorHandler: (app: App) => App['config']['errorHandler']
+  ) => {
+    if (isFunction((app._component as any).onError)) {
+      return createErrorHandler(app)
+    }
+  }
+)
diff --git a/packages/uni-vue/src/index.ts b/packages/uni-vue/src/index.ts
index b41fb4955..af697c1ae 100644
--- a/packages/uni-vue/src/index.ts
+++ b/packages/uni-vue/src/index.ts
@@ -1,7 +1,9 @@
 import { App } from 'vue'
 
-import { isFunction } from '@vue/shared'
-import { invokeCreateVueAppHook } from '@dcloudio/uni-shared'
+import {
+  invokeCreateVueAppHook,
+  invokeCreateErrorHandler,
+} from '@dcloudio/uni-shared'
 
 import { applyOptions } from './componentOptions'
 import { set } from './componentInstance'
@@ -10,10 +12,8 @@ import { uniIdMixin } from './uni-id-mixin'
 
 export function initApp(app: App) {
   const appConfig = app._context.config
-  if (isFunction((app._component as any).onError)) {
-    appConfig.errorHandler = createErrorHandler(app)
-  }
 
+  appConfig.errorHandler = invokeCreateErrorHandler(app, createErrorHandler)
   initOptionMergeStrategies(appConfig.optionMergeStrategies)
 
   const globalProperties = appConfig.globalProperties
-- 
GitLab