From a7ad5f4282bdc0a6d53df9bdbe69843669d8de7c Mon Sep 17 00:00:00 2001
From: Marco Concetto Rudilosso <marco.rudilosso@shopify.com>
Date: Wed, 2 Apr 2025 12:16:38 +0200
Subject: [PATCH] also do it for map

---
 lib/liquid/standardfilters.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/liquid/standardfilters.rb b/lib/liquid/standardfilters.rb
index c3affdc0..f20514fb 100644
--- a/lib/liquid/standardfilters.rb
+++ b/lib/liquid/standardfilters.rb
@@ -536,6 +536,10 @@ module Liquid
     # @liquid_syntax array | map: string
     # @liquid_return [array[untyped]]
     def map(input, property)
+      if property.nil?
+        raise_property_error(property)
+      end
+
       property = Utils.to_s(property)
       InputIterator.new(input, context).map do |e|
         e = e.call if e.is_a?(Proc)