Fix linting issues

esphome/core/event_emitter.cpp

@@ -0,0 +1,12 @@
+#include "event_emitter.h"
+
+namespace esphome {
+
+static const char *const TAG = "event_emitter";
+
+void RaiseEventEmitterFullError(EventEmitterListenerID id) {
+    ESP_LOGE(TAG, "EventEmitter has reached the maximum number of listeners for event");
+    ESP_LOGW(TAG, "Removing listener with ID %d to make space for new listener", id);
+}
+
+}  // namespace esphome

esphome/core/event_emitter.h

@@ -2,12 +2,14 @@
 #include <unordered_map>
 #include <vector>
 #include <functional>
+#include <limits>
 
 #include "esphome/core/log.h"
 
 namespace esphome {
 
 using EventEmitterListenerID = uint32_t;
+void RaiseEventEmitterFullError(EventEmitterListenerID id);
 
 // EventEmitter class that can emit events with a specific name (it is highly recommended to use an enum class for this) and a list of arguments.
 // Supports multiple listeners for each event.
@@ -38,8 +40,7 @@ template <typename EvtType, typename... Args> class EventEmitter {
     // Check if the map is full
     if (listeners_[event].size() == std::numeric_limits<EventEmitterListenerID>::max()) {
       // Raise an error if the map is full
-      ESP_LOGE("event_emitter", "EventEmitter has reached the maximum number of listeners for event %d", event);
+      RaiseEventEmitterFullError(0);
-      ESP_LOGW("event_emitter", "Removing listener with ID %d for event %d", 0, event);
       off(event, 0);
       return 0;
     }