random-generator_node-red-contrib/nodes/uuidGenerator.js

A package to meet the randomness generation needs of node-red developers

module.exports = function (RED) {
  function uuidGenerator(config) {
    RED.nodes.createNode(this, config);
    var node = this;
    node.on("input", function (msg) {
      msg.payload = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(
        /[xy]/g,
        function (c) {
          var r = (Math.random() * 16) | 0,
            v = c == "x" ? r : (r & 0x3) | 0x8;
          return v.toString(16);
        }
      );
      node.send(msg);
    });
  }
  RED.nodes.registerType("UUID", uuidGenerator);
};