Improved to_json method for Relation

Author: ankane

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 6.0.3 (unreleased)
+
+- Improved `to_json` method for `Relation`
+
 ## 6.0.2 (2025-10-24)
 
 - Fixed `as_json` method for `HashWrapper`

lib/searchkick/relation.rb

@@ -644,6 +644,10 @@ def respond_to_missing?(...)
       Results.new(nil, nil, nil).respond_to?(...) || super
     end
 
+    def to_json(...)
+      private_execute.to_a.to_json(...)
+    end
+
     def to_yaml
       private_execute.to_a.to_yaml
     end

test/load_test.rb

@@ -18,7 +18,7 @@ def test_default
     assert_equal "Product A", product.attributes["name"]
     assert_equal "Product A", product.as_json["name"]
     assert_equal "Product A", JSON.parse(product.to_json)["name"]
-    assert_equal "Product A", JSON.parse(Product.search("product").to_a.to_json).first["name"]
+    assert_equal "Product A", JSON.parse(Product.search("product").to_json).first["name"]
   end
 
   def test_false
@@ -34,7 +34,7 @@ def test_false
     assert_equal "Product A", product.to_h["name"]
     assert_equal "Product A", product.as_json["name"]
     assert_equal "Product A", JSON.parse(product.to_json)["name"]
-    assert_equal "Product A", JSON.parse(Product.search("product", load: false).to_a.to_json).first["name"]
+    assert_equal "Product A", JSON.parse(Product.search("product", load: false).to_json).first["name"]
   end
 
   def test_false_methods