Dark theme breaks now and then

@sedrubal wrote:

Summary

I have "Mattermost Dark" theme enabled and sometimes the style looks quite broken and unreadable.

Details on GitHub: https://github.com/mattermost/platform/issues/5741

Steps to reproduce

I found no way to consistently reproduce this.

• Firefox
• GitLab Mattermost 3.9.0 and before
• let Mattermost running for some days/weeks

Expected behavior

Things should look as usual:

• cloud.githubusercontent.com/assets/5571650/23833185/6ddce7f0-0742-11e7-8c2a-11ff7c996e29.png

Observed behavior

Image may be NSFW.
Clik here to view.

b21a4c14-0742-11e7-9ea1-a7807280a00b.png699x346 29.8 KB

more images:

• cloud.githubusercontent.com/assets/5571650/26512076/177b8980-4265-11e7-8295-05886f9efad7.png
• cloud.githubusercontent.com/assets/5571650/26512097/40080220-4265-11e7-955a-8fe8016a97dc.png

This error message appears in firefox developer console just after reloading the tab on a page with dark theme (not /<team>/integrations/) when the issue currently exists:

Unhandled promise rejection DOMException [SyntaxError: "An invalid or illegal string was specified"
code: 12
nsresult: 0x8053000c
location: https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:5]  main.40a3b202d702380c27ea.js:45:13986
	M/</t< https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:45:13986
	N https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:45:13383
	M/< https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:45:13863
	e.exports https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:12:18849
	<anonymous> https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:14:22653
	v https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:14:22511
	y https://mattermost.xxx.xx/static/main.40a3b202d702380c27ea.js:14:22531

• It may be caused by a long period of inactivity or by waking the computer from sleep, but it does not happen every time.

Things that does not fix the problem

• changing the channel
• Reloading the tab
• Logging out and in again

Things that does fix the problem temporary

• creating a new empty channel, opening it and reload the tab
• switch to the "Organization" theme and switch back to "Mattermost Dark". (The settings modal does not disappear after clicking on the x.) Reload the tab.

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Participants: 1

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