mediawiki-skins-Citizen/includes/SkinCitizen.php

<?php
/**
 * SkinTemplate class for the Citizen skin
 *
 * @ingroup Skins
 */
class SkinCitizen extends SkinTemplate {
	public $skinname = 'citizen',
		$stylename = 'Citizen',
		$template = 'CitizenTemplate';

	/**
	 * ResourceLoader
	 *
	 * @param $out OutputPage
	 */
	public function initPage( OutputPage $out ) {
		// Responsive layout
		$out->addMeta( 'viewport',
			'width=device-width, initial-scale=1'
		);
		// Edge compatibility
		$out->addMeta( 'http:X-UA-Compatible',
			'IE=edge'
		);

		$out->addModuleStyles( [
			'mediawiki.skinning.content.externallinks',
			'skins.citizen',
			'skins.citizen.icons',
			'skins.citizen.icons.ca',
			'skins.citizen.icons.p',
			'skins.citizen.icons.toc',
			'skins.citizen.icons.es',
			'skins.citizen.icons.n',
			'skins.citizen.icons.t',
			'skins.citizen.icons.pt',
			'skins.citizen.icons.footer',
			'skins.citizen.icons.badges'
		] );
		$out->addModules( [
			'skins.citizen.js'
		] );
	}

	public static function BeforePageDisplay($out, $skin) {
			$out->addModules( 'skins.citizen.bpd' );
			return true;
	}

	/**
	 * @param $out OutputPage
	 */
	function setupSkinUserCss( OutputPage $out ) {
		parent::setupSkinUserCss( $out );
	}
}