Added 1.0 files

includes/SpoilerAlertHooks.php

@@ -0,0 +1,17 @@
+<?php
+class SpoilerAlertHooks {
+    public static function onParserFirstCallInit( Parser $parser ) {
+        $parser->setHook( 'spoiler', [ self::class, 'renderSpoiler' ] );
+        return true;
+    }
+
+    public static function renderSpoiler( $input, array $args, Parser $parser, PPFrame $frame ) {
+        $output = $parser->recursiveTagParse( $input, $frame );
+        return "<span class='spoiler' onclick='this.classList.toggle(\"revealed\")'>" . htmlspecialchars( $output ) . "</span>";
+    }
+
+    public static function onBeforePageDisplay( OutputPage &$out, Skin &$skin ) {
+        $out->addModules( ['ext.spoileralert'] );
+        return true;
+    }
+}