Got to start somewhere

nodes/99-sample.js.demo

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+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+// Sample Node-RED node file
+
+// Require main module
+var RED = require("../../red/red");
+
+// The main node definition - most things happen in here
+function SampleNode(n) {      
+    // Create a RED node
+    RED.nodes.createNode(this,n);
+   
+    // Store local copies of the node configuration (as defined in the .html)
+    this.topic = n.topic;
+   
+    // Do whatever you need to do in here - declare callbacks etc
+    // Note: this sample doesn't do anything much - it will only send
+    // this message once at startup...
+    // Look at other real nodes for some better ideas of what to do....
+    var msg = {};
+    msg.topic = node.topic;
+    msg.payload = "Hello world !"
+   
+    // send out the message to the rest of the workspace.
+    this.send(msg);
+}
+
+// Register the node by name. This must be called before overriding any of the
+// Node functions.
+RED.nodes.registerType("sample",SampleNode);
+
+
+SampleNode.prototype.close = function() {
+    // Called when the node is shutdown - eg on redeploy.
+    // Allows ports to be closed, connections dropped etc.
+    // eg: this.client.disconnect();
+}