first empty components

custom_components/empty_custom_switch/empty_custom_switch.cpp

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+#include "esphome.h"
+#include "empty_custom_switch.h"
+
+namespace esphome {
+namespace empty_custom_switch {
+
+
+void EmptyCustomSwitch::setup() {
+
+}
+
+void EmptyCustomSwitch::write_state(bool state) {
+
+}
+
+} //namespace empty_custom_switch
+} //namespace esphome

custom_components/empty_custom_switch/empty_custom_switch.h

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+#pragma once
+
+#include "esphome/core/component.h"
+#include "esphome/components/switch/switch.h"
+
+namespace esphome {
+namespace empty_custom_switch {
+
+class EmptyCustomSwitch : public switch_::Switch, public Component {
+ public:
+  void setup() override;
+  void write_state(bool state) override;
+};
+
+} //namespace empty_custom_switch
+} //namespace esphome

custom_components/empty_custom_switch/switch.py

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+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import switch
+from esphome.const import CONF_ID
+
+empty_custom_switch_ns = cg.esphome_ns.namespace('empty_custom_switch')
+EmptyCustomSwitch = empty_custom_switch_ns.class_('EmptyCustomSwitch', switch.Switch, cg.Component)
+
+CONFIG_SCHEMA = switch.SWITCH_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(EmptyCustomSwitch)
+}).extend(cv.COMPONENT_SCHEMA)
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield cg.register_component(var, config)
+    yield switch.register_switch(var, config)