feat(devices): handle yeelight basic support

Delete gateway in action config.
Close #4, #8 and #9

node-red-contrib-xiaomi-yeelight/xiaomi-yeelight.js

@@ -0,0 +1,57 @@
+const miDevicesUtils = require('../src/utils');
+const Yeelight = require("yeelight2");
+
+module.exports = (RED) => {
+    function XiaomiYeelightOutputNode(config) {
+        RED.nodes.createNode(this, config);
+        this.ip = config.ip;
+        this.port = config.port;
+
+        this.status({fill:"grey", shape:"ring", text:"na"});
+
+        this.setupConnection = function(){
+            try {
+                this.light = Yeelight(`yeelight://${this.ip}:${this.port}`);
+                this.status({fill:"blue", shape:"dot", text:"connected"});
+            } catch(err) {
+                this.status({fill:"red",shape:"ring",text:err.message});
+                this.light = null;
+                this.error(err);
+
+                // try to reconnect in 5 minutes
+                window.setTimeout((function(self) {
+                     return function() {
+                            self.setupConnection.apply(self, arguments);
+                        }
+                })(this), 1000*60*5);
+            }
+        }
+
+        if (this.ip && this.port) {
+            this.setupConnection(); 
+            this.on('input', (msg) => {
+                if(msg.payload === "on") {
+                    this.light && this.light.set_power('on');
+                }
+                else if(msg.payload === "off") {
+                    this.light && this.light.set_power('off');
+                }
+                else if(msg.payload === "toggle") {
+                    this.light && this.light.toggle();
+                }
+
+                if(msg.payload.color !== undefined) {
+                    this.light && this.light.set_rgb(msg.payload.color);
+                }
+                if(msg.payload.brightness !== undefined) {
+                    this.light && this.light.set_bright(msg.payload.brightness);
+                }
+            });
+
+            this.on('close', () => {
+                this.light && this.light.exit();
+            });
+        }
+    }
+    RED.nodes.registerType("xiaomi-yeelight out", XiaomiYeelightOutputNode);
+};