From ffe057d3a3f736d57fdb870f6af821b4ec5ec2f0 Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Tue, 21 Jun 2016 15:06:55 +0200
Subject: [PATCH] ignore `{}` during template compilation

This avoids empty JavaScript object literals being recognized as
template scripting tags
---
 .../template/TemplateScriptingCompiler.class.php      | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/template/TemplateScriptingCompiler.class.php b/wcfsetup/install/files/lib/system/template/TemplateScriptingCompiler.class.php
index 6b709f81e0..f23793bb4e 100644
--- a/wcfsetup/install/files/lib/system/template/TemplateScriptingCompiler.class.php
+++ b/wcfsetup/install/files/lib/system/template/TemplateScriptingCompiler.class.php
@@ -239,7 +239,16 @@ class TemplateScriptingCompiler {
 		$compiledTags = [];
 		for ($i = 0, $j = count($templateTags); $i < $j; $i++) {
 			$this->currentLineNo += mb_substr_count($textBlocks[$i], "\n");
-			$compiledTags[] = $this->compileTag($templateTags[$i], $identifier, $metaData);
+			
+			if ($templateTags[$i] === '') {
+				// avoid empty JavaScript object literals being recognized
+				// as template scripting tags
+				$compiledTags[] = '{}';
+			}
+			else {
+				$compiledTags[] = $this->compileTag($templateTags[$i], $identifier, $metaData);
+			}
+			
 			$this->currentLineNo += mb_substr_count($templateTags[$i], "\n");
 		}
 		
-- 
2.20.1