fix: async fetch and asyncData not trigger ErrorHandler (#3781)

lib/app/client.js

@@ -14,8 +14,7 @@ import {
   getLocation,
   compile,
   getQueryDiff,
-  globalHandleError,
-  empty
+  globalHandleError
 } from './utils'
 
 const noopData = () => { return {} }
@@ -35,7 +34,7 @@ Object.assign(Vue.config, <%= serialize(vue.config) %>)
 <% if (debug || mode === 'spa') { %>
 // Setup global Vue error handler
 const defaultErrorHandler = Vue.config.errorHandler
-Vue.config.errorHandler = (err, vm, info) => {
+Vue.config.errorHandler = (err, vm, info, ...rest) => {
   const nuxtError = {
     statusCode: err.statusCode || err.name || 'Whoops!',
     message: err.message || err.toString()
@@ -44,7 +43,7 @@ Vue.config.errorHandler = (err, vm, info) => {
   // Call other handler if exist
   let handled = null
   if (typeof defaultErrorHandler === 'function') {
-    handled = defaultErrorHandler(...arguments)
+    handled = defaultErrorHandler(err, vm, info, ...rest)
   }
   if (handled === true){
     return handled
@@ -347,8 +346,6 @@ async function render (to, from, next) {
             }
             <% } %>
           })
-          // error will be handled in try catch
-          .catch(empty)
         promises.push(promise)
       }
 
@@ -368,8 +365,6 @@ async function render (to, from, next) {
             }
             <% } %>
           })
-          // error will be handled in try catch
-          .catch(empty)
           promises.push(p)
       }
 

test/fixtures/spa/pages/error-handler-async.vue

@@ -0,0 +1,9 @@
+<script>
+
+export default {
+  async asyncData() {
+    await Promise.resolve()
+    throw Error('asyncData error!')
+  }
+}
+</script>

test/fixtures/spa/pages/error-handler.vue

@@ -2,7 +2,7 @@
 
 export default {
   fetch() {
-    throw Error('spa test error!')
+    throw Error('fetch error!')
   }
 }
 </script>

test/fixtures/spa/plugins/error.js

@@ -1,5 +1,5 @@
 import Vue from 'vue'
 
-Vue.config.errorHandler = function () {
-  document.body.appendChild(document.createTextNode('error handler triggered'))
+Vue.config.errorHandler = function (err) {
+  document.body.appendChild(document.createTextNode(`error handler triggered: ${err.message}`))
 }

test/unit/spa.test.js

@@ -43,7 +43,13 @@ describe('spa', () => {
   test('/error-handler', async () => {
     await renderRoute('/error-handler')
     const { html } = await renderRoute('/error-handler')
-    expect(html).toMatch('error handler triggered')
+    expect(html).toMatch('error handler triggered: fetch error!')
+  })
+
+  test('/error-handler-async', async () => {
+    await renderRoute('/error-handler-async')
+    const { html } = await renderRoute('/error-handler-async')
+    expect(html).toMatch('error handler triggered: asyncData error!')
   })
 
   test('/_nuxt/ (access publicPath in spa mode)', async () => {