evaluateNodeProperty callback handling

Author: objt-ev

components/run-component.js

@@ -5,7 +5,21 @@ module.exports = function (RED) {
   const EVENT_START_FLOW = "comp-start-flow";
   const EVENT_RETURN_FLOW = "comp-flow-return";
 
-  function sendStartFlow(msg, node) {
+  function evaluateNodeProperty(value, type, node, msg)
+  {
+    return new Promise((resolve, reject) => {
+        RED.util.evaluateNodeProperty(value, type, node, msg, (err, res) => {
+            if (err) {
+              reject(err);
+            } else {
+              //console.log("Res: " + res);
+              resolve(res);
+            }
+        });
+    });
+  }
+
+  async function sendStartFlow(msg, node) {
     try {
       // create / update state for new execution
       if (typeof msg._comp == "undefined") {
@@ -67,8 +81,9 @@ module.exports = function (RED) {
         // an empty, optional parameter is evaluated only, if the source type is "string".
         // In that case, the parameter is set(!). It is not put into the message in all other cases.
         if (paramSource.source && paramSource.source.length > 0 || paramSource.sourceType == "str") {
-          val = RED.util.evaluateNodeProperty(paramSource.source, paramSource.sourceType, node, msg);
+          val = await evaluateNodeProperty(paramSource.source, paramSource.sourceType, node, msg);
         }
+        //console.log("Val: " + val);
         if (val == null || val == undefined) {
           if (paramDef.required) {
             validationErrors[paramName] = RED._("components.message.missingProperty", { parameter: paramName });

package.json

@@ -1,9 +1,12 @@
 {
     "name": "node-red-contrib-components",
     "description": "reusable flows with a well defined API. Write components and use them anywhere in your node-red app",
-    "version": "0.3.4",
+    "version": "0.3.5",
     "license": "MIT",
     "author": "Oliver Charlet <oliver.charlet@clarities.de>",
+    "contributors": [
+        "evervondel"
+    ],
     "repository": {
         "type": "git",
         "url": "https://github.com/ollixx/node-red-contrib-components.git"