node-red-contrib-agilite-utils/lodash/lodash.js

A set of Agilit-e Node-RED Nodes to perform various adhoc tasks without calling 3rd party web services

module.exports = function (RED) {
  function Lodash(config) {
    RED.nodes.createNode(this, config);
    this.field = config.field || "payload";
    this.fieldType = config.fieldType || "msg";
    var node = this;

    const _ = require("lodash");
    const AgiliteUtils = require("agilite-utils").default;

    this.on("input", function (msg) {
      // Declcare variables for each of the input fields
      const actionType = config.actionType;
      let inputValue = config.inputValue;
      let success = true;
      let result = "";
      let errorMessage = "";

      // Validate Fields
      if (config.actionType === "") {
        success = false;
        errorMessage = "Please select an Action Type";
      } else if (config.inputValue === "") {
        success = false;
        errorMessage = "Please provide a Input Value";
      }

      if (!success) {
        node.error(errorMessage, msg);
        return false;
      }

      inputValue = AgiliteUtils.compileTemplate(inputValue, msg);

      try {
        switch (actionType) {
          case "escape":
            result = _.escape(inputValue);
            break;
          case "unescape":
            result = _.unescape(inputValue);
            break;
          case "uniqueid":
            result = _.uniqueId(inputValue);
            break;
          case "pad":
            result = _.pad(inputValue, config.param, config.param2);
            break;
        }

        switch (node.fieldType) {
          case "msg":
            RED.util.setMessageProperty(msg, node.field, result);
            break;
          case "flow":
            node.context().flow.set(node.field, result);
            break;
          case "global":
            node.context().global.set(node.field, result);
            break;
        }

        node.send(msg);
      } catch (err) {
        node.error(err, msg);
      }
    });
  }

  RED.nodes.registerType("lodash", Lodash);
};