HideSection.hooks.php

<?php
/**
 * Hooks for extension HideSection.
 * @ingroup Extensions
 */

class HideSectionHooks {

	private static function shouldHaveHideSection( Skin $skin ): bool {
		$name = $skin->getSkinName();
		return !( $name === 'minerva' )
			&& !in_array( $name, ExtensionRegistry::getInstance()->getAttribute( 'HideSectionDisabled' ) );
	}

	public static function onBeforePageDisplay( OutputPage &$out, Skin &$skin ) {
		global $wgHideSectionTitleLink;
		if ( !self::shouldHaveHideSection( $skin ) ) {
			return;
		}

		$out->addModules( 'ext.hideSection' );

		if ( $wgHideSectionTitleLink ) {

			$hideelem = Html::Rawelement( 'span',
				 [ 'class' => 'hidesection-head' ],
			);

			$title = $out->getPageTitle();

			// Append to page title
			$out->setPageTitle( $title . $hideelem  );
		}
		return true;
	 }

	public static function onSkinEditSectionLinks( $skin, $title, $section, $tooltip, &$links, $lang ) {
		if ( !self::shouldHaveHideSection( $skin ) ) {
			return;
		}

		global $wgHideSectionHideText;

		if ($wgHideSectionHideText) return true;

		$hidetext  = wfMessage( 'hidesection-hide' )->text();
		$showtext  = wfMessage( 'hidesection-show' )->text();
		$titletext = wfMessage( 'hidesection-hidetitle' )->text();

		// Add hide/show link next to edit links
		if ($section !== 0) {
			$links['hidesection'] = [
				'targetTitle' => $title,
				'text' => $hidetext,
				'attribs' => [
					"class" => "hidesection-link internal",
					"data-show" => $showtext,
					"data-hide" => $hidetext,
					"data-section" => $section,
					"title" => $titletext,
					],
				'query' => array(),
				'options' => array(),
			];
		}

		// Add hide all/show all link on first section
		if ($section == 1) {
			$showall  = wfMessage( 'hidesection-showall' )->text();
			$hideall  = wfMessage( 'hidesection-hideall' )->text();
			$titleall = wfMessage( 'hidesection-hidealltitle' )->text();

			$links['hidesectionall'] = [
				'targetTitle' => $title,
				'text' => $hideall,
				'attribs' => [
					"class" => "hidesection-all internal",
					"data-show" => $showall,
					"data-hide" => $hideall,
					"title" => $titleall,
					],
				'query' => array(),
				'options' => array(),
			];
		}
	}
}