From f7d9cd8166ea73512acb0b603a3e09c2dc8b7b8e Mon Sep 17 00:00:00 2001
From: James Newell <jameslnewell@users.noreply.github.com>
Date: Tue, 6 Dec 2016 09:58:36 +1100
Subject: [PATCH] Don't strip stack traces of evaluated webpack bundles (#1050)
* Don't strip stack traces of evaluated webpack code
* Strip stack traces at the end of a string
because the last line doesn't always have a `\n` and `create-react-app` is leaving the last line of the stack traces present in the error messages
* code comment
* code comment
---
packages/react-dev-utils/formatWebpackMessages.js | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/packages/react-dev-utils/formatWebpackMessages.js b/packages/react-dev-utils/formatWebpackMessages.js
index d72d5f734..c40691b7c 100644
--- a/packages/react-dev-utils/formatWebpackMessages.js
+++ b/packages/react-dev-utils/formatWebpackMessages.js
@@ -101,9 +101,12 @@ function formatMessage(message) {
// Reassemble the message.
message = lines.join('\n');
- // Internal stacks are generally useless so we strip them
+ // Internal stacks are generally useless so we strip them... with the
+ // exception of stacks containing `webpack:` because they're normally
+ // from user code generated by WebPack. For more information see
+ // https://github.com/facebookincubator/create-react-app/pull/1050
message = message.replace(
- /^\s*at\s.*:\d+:\d+[\s\)]*\n/gm, ''
+ /^\s*at\s((?!webpack:).)*:\d+:\d+[\s\)]*(\n|$)/gm, ''
); // at ... ...:x:y
return message;
--
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