From ab5f1b5b639236fb7528ff9544425e2310c33dbb Mon Sep 17 00:00:00 2001
From: Vladyslav_Prykhodko <vprykhodko@thingsboard.io>
Date: Wed, 2 Jun 2021 10:41:24 +0300
Subject: [PATCH] js-executor: ScriptMap optimize work

---
 msa/js-executor/api/jsInvokeMessageProcessor.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/msa/js-executor/api/jsInvokeMessageProcessor.js b/msa/js-executor/api/jsInvokeMessageProcessor.js
index bef70936ec..aa8f5d2db0 100644
--- a/msa/js-executor/api/jsInvokeMessageProcessor.js
+++ b/msa/js-executor/api/jsInvokeMessageProcessor.js
@@ -196,8 +196,9 @@ JsInvokeMessageProcessor.prototype.sendResponse = function (requestId, responseT
 JsInvokeMessageProcessor.prototype.getOrCompileScript = function (scriptId, scriptBody) {
     var self = this;
     return new Promise(function (resolve, reject) {
-        if (self.scriptMap.has(scriptId)) {
-            resolve(self.scriptMap.get(scriptId));
+        const script = self.scriptMap.get(scriptId);
+        if (script !== undefined) {
+            resolve(script);
         } else {
             self.executor.compileScript(scriptBody).then(
                 (script) => {