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	1640	May 25, 2024
JavaScript type hinting & validation (typescript)	0	36	February 4, 2026
Install Discourse for development using Docker dev-install , docker , how-to	221	85264	February 4, 2026
Install the Discourse Theme CLI console app to help you build themes how-to , theme-guides	14	31332	February 4, 2026
Theme Developer Tutorial: 5. Building and using components	4	567	January 30, 2026
Using the JS API plugin-api , explanation , code	20	11675	January 30, 2026
Theme modifiers: A brief introduction theme-guides	20	4501	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	494	November 3, 2025
Using modifyClass to change core behavior	5	2188	March 10, 2025
Get started with Theme Creator and the Theme CLI how-to , theme-creator , theme-guides	7	12528	January 27, 2026
Designing for Different Devices (Viewport Size, Touch/Hover, etc.)	14	467	January 25, 2026
Developing Discourse using a Dev Container	8	13765	January 19, 2026
Discourse toolkit to render forms	28	1172	December 23, 2025
Using service objects in Discourse	0	477	October 30, 2024
Adding preview screenshots to Discourse themes	2	285	July 16, 2025
Developing Discourse Plugins - Part 2 - Connect to a plugin outlet plugin-guides , tutorial	38	29736	November 23, 2025
Change icons globally how-to	26	9487	October 5, 2025
Run Discourse AI evals	1	104	December 1, 2025
Objects type for theme setting theme-guides , how-to	26	1645	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	4286	November 12, 2025
Customizing the topic list	0	686	February 4, 2025
Install Discourse on macOS for development dev-install , how-to	101	113138	September 23, 2025
Replace Discourse's default SVG icons with custom icons in a theme how-to , theme-guides	8	8702	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	1370	September 9, 2025
Write end-to-end system specs for the Discourse user interface	3	533	August 28, 2025
Create and share a font theme component how-to , theme-guides	4	5869	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…