From 8e68f95a8a131ee37a599c34f6442dd6adafeba3 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Fri, 23 Jan 2026 23:10:28 -1000
Subject: [PATCH] [nfc] Use StaticVector for NFC UID storage to eliminate heap
 allocation

---
 esphome/components/nfc/nfc.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/esphome/components/nfc/nfc.cpp b/esphome/components/nfc/nfc.cpp
index d687566471..8567b0969a 100644
--- a/esphome/components/nfc/nfc.cpp
+++ b/esphome/components/nfc/nfc.cpp
@@ -19,9 +19,11 @@ char *format_bytes_to(char *buffer, std::span<const uint8_t> bytes) {
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 // Deprecated wrappers intentionally use heap-allocating version for backward compatibility
-std::string format_uid(std::span<const uint8_t> uid) { return format_hex_pretty(uid.data(), uid.size(), '-', false); }
+std::string format_uid(std::span<const uint8_t> uid) {
+  return format_hex_pretty(uid.data(), uid.size(), '-', false);  // NOLINT
+}
 std::string format_bytes(std::span<const uint8_t> bytes) {
-  return format_hex_pretty(bytes.data(), bytes.size(), ' ', false);
+  return format_hex_pretty(bytes.data(), bytes.size(), ' ', false);  // NOLINT
 }
 #pragma GCC diagnostic pop