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	1750	May 25, 2024
Discourse toolkit to render forms	28	1225	December 23, 2025
Get started with Theme Creator and the Theme CLI how-to , theme-creator , theme-guides	7	12614	January 27, 2026
Guidelines for CSS classes using BEM	0	232	April 15, 2025
Using Transformers to customize client-side values and behavior	1	525	November 3, 2025
Objects type for theme setting theme-guides , how-to	28	1751	March 10, 2026
JavaScript type hinting & validation (typescript)	0	74	February 4, 2026
Using modifyClass to change core behavior	6	2258	March 4, 2026
Alternative icons theme-guides , reference	21	2290	March 2, 2026
Replace Discourse's default SVG icons with custom icons in a theme how-to , theme-guides	10	8775	February 24, 2026
Using service objects in Discourse	0	518	October 30, 2024
Adding preview screenshots to Discourse themes	3	327	February 18, 2026
Install Discourse for development using Docker dev-install , docker , how-to	222	86182	February 7, 2026
Theme Developer Tutorial: 5. Building and using components	4	624	January 30, 2026
Using the JS API plugin-api , explanation , code	20	11790	January 30, 2026
Designing for Different Devices (Viewport Size, Touch/Hover, etc.)	14	558	January 25, 2026
Developing Discourse using a Dev Container	7	15403	January 19, 2026
Run Discourse AI evals	1	142	December 1, 2025
Developing Discourse Plugins - Part 2 - Connect to a plugin outlet plugin-guides , tutorial	38	29863	November 23, 2025
Update themes and plugins to support automatic dark mode how-to , auto-dark , theme-guides	10	4168	November 14, 2025
Set up Discourse for development on Fedora Linux dev-install , how-to	10	4320	November 12, 2025
Theme modifiers: A brief introduction theme-guides	20	4542	October 24, 2025
Change icons globally how-to	26	9570	October 5, 2025
Install Discourse on macOS for development dev-install , how-to	101	113564	September 23, 2025
Pinning plugin and theme versions for older Discourse installs (.discourse-compatibility)	3	1214	September 15, 2025
Developing Discourse on GitHub Codespaces	14	1474	September 9, 2025
Write end-to-end system specs for the Discourse user interface	3	545	August 28, 2025
Install the Discourse Theme CLI console app to help you build themes how-to , theme-guides	14	31458	February 4, 2026
Create and share a font theme component how-to , theme-guides	4	5901	August 19, 2025
Create and share a color scheme how-to	1	6172	August 1, 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…