1328249 - unresponsive script chrome://devtools/content/sour...odemirror/codemirror.bundle.js:1041

Status: RESOLVED INCOMPLETE

(DevTools :: Source Editor, defect)

Description

[Josh Unger]

Attachment: Screenshot_1_3_17__4_38_AM.png

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:53.0) Gecko/20100101 Firefox/53.0
Build ID: 20170102030204

Steps to reproduce:

1. Create large bundle.js with webpack with source maps.
2. Set breakpoint in one of those files.
3. Refresh browser with devtools open.


Actual results:

Hang.  unresponsive script chrome://devtools/content/sour...odemirror/codemirror.bundle.js:1041


Expected results:

Performant of course!

Comment 1

[Loic]

Do you have a testcase to reproduce the perf issue?

Comment 2

[Josh Unger]

I can't share the source code.  Can you share a large webpack / source map test case you're using for performance?  I can try that.

Comment 3

[Firefox Bug Husbandry Bot]

2019-03-06

This bug is part of a group of bugs which have had an open needinfo for at least 12 weeks.

The request for information has not been answered, and we can't move forward on the bug so we are closing it.

If the defect is still present, please reopen this bug with an updated report.