When running the latest version of Discourse core in a development environment, you’ll notice a new toolbar on the left-hand-side of the screen: [Developer Tools] This provides one-click access to commonly-needed developer tools. So far, we have: :electric_plug: Plugin Outlet Debug This shows al…

[图片] David Taylor: In production, it can be enabled by running enableDevTools() in the browser console. You can even try it here on Meta! Clicking the :electric_plug: icon to show outlets makes Chrome crash, making the page/tab unresponsive. I disabled my Chrome extensions, but it still crash…

I can reproduce it on Meta as well. On Firefox, you can see that there is also a rendering infinite loop: <a class="lightbox" href="https://d11a6trkgmumsb.cloudfront.net/original/4X/3/a/5/3a510d2eb0f702502e56eac58e33a7b31dec7a9f.png" data-download-href="/uploads/short-url/8jTlpn8TU26Uf9DYWCAQ4Jp2J8r.png?dl=1" title="The image displays a JavaScript console error message "Uncaught (in promise) Error: infinite rendering invalidation detected" next to a list of numbers and strings: '7', '29', '_trigger', 'end', 'endor;' which appear to be part of a code line. (Captioned by AI)">[The image displays a JavaScript console error message "Uncaught (in promise) Error: infinite rendering invalidation detected" next to a list of numbers and strings: '7', '29', '_trigger', 'e…

Huh! It definitely worked a few days ago, but now I see the same error. I’ll investigate - thanks for the reports!

Just merged this commit which will fix the infinite-rerendering on the topic page

Since I don’t see any way to do this on mobile, I’m working on a simple TC to add a button to the header (inspired by the Plugin Outlets TC).

When viewing a development environment on mobile, the toolbar will appear on the left of the screen so you can use it as normal. In production environments, you’ll need to call enableDevTools() from the console (or from theme/theme-component javascript) to turn on the toolbar. Note that this has a …

Yep. Users can click the button to activate dev tools for them. Not for all users.

Here it is: [图片] Enable Dev Tools Button Theme component information_source Summary Adds a button to the site header to enable Dev Tools eyeglasses Preview Theme Creator hammer_and_wrench Repository GitHub - NateDhaliwal/Enable-Dev-Tools-Button question Install Guide…

Can we have a toggle for mobile_view? Sometimes, I want to check quickly this view. I can make a PR if so!

Why not the toggle in the sidebar though?

介绍 Discourse 开发者工具栏

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david (David Taylor) 2025 年1 月 17 日 15:03 4

咦！几天前肯定是可以的，但现在我看到了同样的错误。我会调查的——感谢各位的报告！

话题		回复	浏览量
Developer Toolbox Theme component official , development , developer-toolbox	12	2576	2025 年2 月 6 日
(deprecated) Plugin outlet locations theme component Theme component end-of-life	38	10053	2025 年1 月 23 日
Enable Dev Tools Button Theme component	13	525	2026 年1 月 3 日
Developing Discourse Plugins - Part 2 - Connect to a plugin outlet Developer Guides plugin-guides , tutorial	38	29999	2025 年11 月 23 日
Developer Guides Index Developer Guides index	1	1873	2024 年5 月 25 日

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