Developer Guides

Topic	Replies	Views	Activity
Developer Guides Index index Documentation about extending Discourse with plugins, themes, and theme components, working with the core code, and using the Discourse API. Introduction Introduction: Introduction to Discourse Development Development…	1	1644	May 25, 2024
JavaScript type hinting & validation (typescript)	0	38	February 4, 2026
Install Discourse for development using Docker dev-install , docker , how-to	221	85298	February 4, 2026
Install the Discourse Theme CLI console app to help you build themes how-to , theme-guides	14	31339	February 4, 2026
Theme Developer Tutorial: 5. Building and using components	4	568	January 30, 2026
Using the JS API plugin-api , explanation , code	20	11678	January 30, 2026
Theme modifiers: A brief introduction theme-guides	20	4507	October 24, 2025
Repackaging a markdown-it extension as a Discourse plugin explanation , plugin-guides	1	2353	June 26, 2025
Using Transformers to customize client-side values and behavior	1	496	November 3, 2025
Using modifyClass to change core behavior	5	2189	March 10, 2025
Get started with Theme Creator and the Theme CLI how-to , theme-creator , theme-guides	7	12531	January 27, 2026
Designing for Different Devices (Viewport Size, Touch/Hover, etc.)	14	468	January 25, 2026
Developing Discourse using a Dev Container	8	13806	January 19, 2026
Discourse toolkit to render forms	28	1174	December 23, 2025
Using service objects in Discourse	0	481	October 30, 2024
Adding preview screenshots to Discourse themes	2	286	July 16, 2025
Developing Discourse Plugins - Part 2 - Connect to a plugin outlet plugin-guides , tutorial	38	29742	November 23, 2025
Change icons globally how-to	26	9488	October 5, 2025
Run Discourse AI evals	1	105	December 1, 2025
Objects type for theme setting theme-guides , how-to	26	1649	December 2, 2025
AppEvents Triggers Reference	0	394	November 26, 2024
Update themes and plugins to support automatic dark mode how-to , auto-dark , theme-guides	10	4139	November 14, 2025
Set up Discourse for development on Fedora Linux dev-install , how-to	10	4287	November 12, 2025
Customizing the topic list	0	686	February 4, 2025
Install Discourse on macOS for development dev-install , how-to	101	113149	September 23, 2025
Replace Discourse's default SVG icons with custom icons in a theme how-to , theme-guides	8	8705	September 17, 2025
Pinning plugin and theme versions for older Discourse installs (.discourse-compatibility)	3	1198	September 15, 2025
Developing Discourse on GitHub Codespaces	14	1378	September 9, 2025
Write end-to-end system specs for the Discourse user interface	3	535	August 28, 2025
Create and share a font theme component how-to , theme-guides	4	5871	August 19, 2025

Developer Guides Index

index

Documentation about extending Discourse with plugins, themes, and theme components, working with the core code, and using the Discourse API. Introduction Introduction: Introduction to Discourse Development Development…