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Lua is available as a templating language on Fandom, helping to provide users with the ability to create more maintainable templates and to improve the performance of some of our slowest pages.
Lua is a different coding experience to basic wikitext templates, resembling a more 'traditional' programming syntax. It offers two key advantages: first and foremost is that logical functionality – 'if', 'else', and 'while' statements along with arrays and variable definition, for instance - is built into the Lua language, making the implementation of basic logic much easier in Lua than via MediaWiki's other methods. Second, because Lua is streamlined for logical operations, it performs better than its wikitext counterparts.
Enabling and support
Lua is enabled by default on all wikis. When enabled, the general standard Lua libraries along with the specialized Scribunto libraries are also available. Fandom's implementation of Scribunto uses most standard features, but not all functions are supported; the differences are detailed in the reference manual.
For more background on the tool, read our introduction to Lua.
Lua module repository
Lua modules can also be loaded from the Fandom Open Source Library using
require("Dev:ModuleName"), as opposed to
require("Module:ModuleName"). These "global modules" are available for re-use Fandom-wide and are described in more detail here.
These are some Lua implementations for Navboxes:
- American Horror Story Wiki: Template/Module/CSS - Port from Wikipedia. Uses deprecated HtmlBuilder. Uses old collapsible class.
- Professor Layton Wiki: Template/Module/CSS - Based on Wikipedia (same syntax), but redone from scratch.
- Module dependencies: None (VDE links need Template:Vdelinks)
- Runescape Wiki: Template/Module/CSS - Based on an older version of Wikipedia's template.
- NavboxBuilder in Fandom Developers Wiki repository: Template/Module/CSS
- PortableNavbox in Fandom Developers Wiki repository: Template/Module/CSS
- Module dependencies: Yesno
Documentation and help
Lua documentation on the Fandom Open Source Library:
- Converting wikitext templates
- Reference manual, a comprehensive documentation page of Lua code
- Scribunto libraries
- Standard Lua libraries
- More help pages
In addition to this documentation, we have a forum board set up here to ask questions and get help.
- Lua on Wikipedia
- Lua modules on Wikipedia
- Lua-based templates on Wikipedia
- Scribunto extension page
- Learn Lua in 15 Minutes
- Official Lua documentation
- Fandom Developers Wiki (
- Lua reference manual
- Lua templating
Further help and feedback
- Browse and search other help pages at Help:Contents
- Check Fandom Community Central for sources of further help and support
- Check Contacting Fandom for how to report any errors or unclear steps in this article
- Learn how to use Fandom in Fandom University: short how-to videos for all levels of experience