From a61746045b4af4ec817a269e08085b97be295763 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sat, 26 Sep 2026 01:51:49 +0100
Subject: [PATCH] [core] Pass the copy flag to JsonString explicitly in the
 StringRef conversion (#19709)

---
 esphome/core/string_ref.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/esphome/core/string_ref.h b/esphome/core/string_ref.h
index da07128704..4c0ce28a5a 100644
--- a/esphome/core/string_ref.h
+++ b/esphome/core/string_ref.h
@@ -279,7 +279,9 @@ inline void convertToJson(const StringRef &src, JsonVariant dst) {
     dst.set("");
     return;
   }
-  dst.set(JsonString(src.c_str(), src.size()));
+  // The explicit isStatic is load bearing: without it clang-tidy reads size() as the bool of the two argument
+  // constructor and asks for empty() instead
+  dst.set(JsonString(src.c_str(), src.size(), /* isStatic= */ false));
 }
 #endif  // USE_JSON