From 50bbeb024567bf4e8b8f3179025a8ea928023bf5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9e=20Kooi?= <renee@kooi.me>
Date: Fri, 11 Oct 2019 16:42:40 +0200
Subject: [PATCH] core: provide default error message (#1880)

We were already doing `if (file.error)` in places, now that is
guaranteed to work even if the error message was empty or the error
object is custom and doesn't have a `.message` property.
---
 packages/@uppy/core/src/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/@uppy/core/src/index.js b/packages/@uppy/core/src/index.js
index 03c961760..a52ae0040 100644
--- a/packages/@uppy/core/src/index.js
+++ b/packages/@uppy/core/src/index.js
@@ -783,12 +783,12 @@ class Uppy {
    */
   _addListeners () {
     this.on('error', (error) => {
-      this.setState({ error: error.message })
+      this.setState({ error: error.message || 'Unknown error' })
     })
 
     this.on('upload-error', (file, error, response) => {
       this.setFileState(file.id, {
-        error: error.message,
+        error: error.message || 'Unknown error',
         response
       })