MediaWiki extensions manual
TemplateStylesExtender
Release status: stable
Implementation Parser extension
Description Extends Extension:TemplateStyles with new selectors
Author(s) Octfxtalk
Latest version 1.1.4 (2023-02-11)
MediaWiki 1.39+
Composer octfx/template-styles-extender
License GNU General Public License 2.0 or later
Download

GitHub:

Note:
No localisation updates are
provided by translatewiki.net .
Parameters
  • $wgTemplateStylesExtenderEnablePrefersColorScheme
  • $wgTemplateStylesExtenderEnableCssVars
  • $wgTemplateStylesExtenderEnableUnscopingSupport

The TemplateStylesExtender extension extends Extension:TemplateStyles with new selectors and matchers.

Features

Add support for:

  • CSS variables:
    Example color: var( --color-base )
  • image-rendering
  • ruby-position
  • ruby-align
  • scroll-margin-* and scroll-padding-*
  • @media (prefers-color-scheme: dark/light) media queries
  • mask-image
  • clamp
  • revert / revert-layer
  • aspect-ratio

Installation

  • Download and place the file(s) in a directory called TemplateStylesExtender in your extensions/ folder.
  • Add the following code at the bottom of your LocalSettings.php file: 
    wfLoadExtension( 'TemplateStyles' );
wfLoadExtension( 'TemplateStylesExtender' );
  • Configure as required.
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

Configuration

Key Description Example Default
$wgTemplateStylesExtenderEnablePrefersColorScheme Flag to enable @media (prefers-color-scheme: dark/light) media queries false true
$wgTemplateStylesExtenderEnableCssVars Flag to enable CSS vars false true
$wgTemplateStylesExtenderEnableUnscopingSupport Flag to enable unscoping of CSS by users with editinterface permissions true false

Note CSS Vars

Currently using :root selectors won't work due to template styles prepending .mw-parser-output.

One possible fix is to wrap the entire content into a 'div' element and adding the declarations to this, e.g.

div#content-wrap {
   --padding: 10px
}

.content {
   padding: var( --padding )
}

Wikitext

<div id="content-wrap">
   <div class=".content">
      The WikiText...
   </div>
</div>

Unscoping of CSS

Example: <templatestyles src="Foo/style.css" wrapclass="mediawiki" /> results in the CSS being scoped to .mediawiki instead of .mw-parser-output.

Including such a call in a page essentially limits editing to users with the editinterface right. You can alternatively include a call to a template that includes the styles.

See also

  • Extension:TemplateStyles
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