Add hook to set and change values

ERM37942

[4.5.x]

src/Hook/MWStakeCommonUILessVarsInit.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace MWStake\MediaWiki\Component\CommonUserInterface\Hook;
+
+interface MWStakeCommonUILessVarsInit {
+
+	/**
+	 * Set default values for LessVars
+	 *
+	 * @param LessVars $lessVars
+	 * @return void
+	 */
+	public function onMWStakeCommonUILessVarsInit( $lessVars ): void;
+}

src/Hook/MWStakeCommonUILessVarsOverride.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace MWStake\MediaWiki\Component\CommonUserInterface\Hook;
+
+interface MWStakeCommonUILessVarsOverride {
+
+	/**
+	 * Allows to override default values
+	 *
+	 * @param LessVars $lessVars
+	 * @return void
+	 */
+	public function onMWStakeCommonUILessVarsOverride( $lessVars ): void;
+}

src/LessVars.php

@@ -17,6 +17,12 @@ public static function getInstance() {
 		if ( static::$instance === null ) {
 			static::$instance = new static();
 		}
+		\MediaWiki\MediaWikiServices::getInstance()->getHookContainer()->run(
+			'MWStakeCommonUILessVarsInit', [ static::$instance ]
+		);
+		\MediaWiki\MediaWikiServices::getInstance()->getHookContainer()->run(
+			'MWStakeCommonUILessVarsOverride', [ static::$instance ]
+		);
 
 		return static::$instance;
 	}