From 6dbdeca58ad3e396eab2d45f06d287f321bde309 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Mon, 13 Oct 2025 14:55:59 +0200
Subject: [PATCH] VariantImpl: extract static `size()`

---
 src/ArduinoJson/Variant/VariantImpl.hpp | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/ArduinoJson/Variant/VariantImpl.hpp b/src/ArduinoJson/Variant/VariantImpl.hpp
index e0bfdf46..633d4886 100644
--- a/src/ArduinoJson/Variant/VariantImpl.hpp
+++ b/src/ArduinoJson/Variant/VariantImpl.hpp
@@ -537,13 +537,24 @@ class VariantImpl {
   }
 
   size_t size() {
-    if (isObject())
-      return asObject().size();
+    if (!data_)
+      return 0;
 
-    if (isArray())
-      return asArray().size();
+    return size(data_, resources_);
+  }
 
-    return 0;
+  static size_t size(VariantData* data, ResourceManager* resources) {
+    ARDUINOJSON_ASSERT(data != nullptr);
+    ARDUINOJSON_ASSERT(resources != nullptr);
+
+    size_t n = CollectionImpl(data, resources).size();
+
+    if (data->type == VariantType::Object) {
+      ARDUINOJSON_ASSERT((n % 2) == 0);
+      n /= 2;
+    }
+
+    return n;
   }
 
   ArrayImpl toArray() {