From 10ce681d4629140c3ef272749336b8cc419b6c17 Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <dceejay@gmail.com>
Date: Wed, 1 Nov 2023 13:59:09 +0000
Subject: [PATCH] Fix join node to ignore parts in manual mode

to fix #1957
---
 .../@node-red/nodes/core/sequence/17-split.js       | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/packages/node_modules/@node-red/nodes/core/sequence/17-split.js b/packages/node_modules/@node-red/nodes/core/sequence/17-split.js
index 10c696b76..dad635dca 100644
--- a/packages/node_modules/@node-red/nodes/core/sequence/17-split.js
+++ b/packages/node_modules/@node-red/nodes/core/sequence/17-split.js
@@ -298,7 +298,6 @@ module.exports = function(RED) {
         return exp
     }
 
-
     function reduceMessageGroup(node,msgInfos,exp,fixup,count,accumulator,done) {
         var msgInfo = msgInfos.shift();
         exp.assign("I", msgInfo.msg.parts.index);
@@ -330,6 +329,7 @@ module.exports = function(RED) {
             }
         });
     }
+
     function reduceAndSendGroup(node, group, done) {
         var is_right = node.reduce_right;
         var flag = is_right ? -1 : 1;
@@ -589,7 +589,7 @@ module.exports = function(RED) {
                 }
 
                 if (node.mode === 'auto' && (!msg.hasOwnProperty("parts")||!msg.parts.hasOwnProperty("id"))) {
-                    // if a blank reset messag erest it all.
+                    // if a blank reset message reset it all.
                     if (msg.hasOwnProperty("reset")) {
                         if (inflight && inflight.hasOwnProperty("partId") && inflight[partId].timeout) {
                             clearTimeout(inflight[partId].timeout);
@@ -603,6 +603,15 @@ module.exports = function(RED) {
                     return;
                 }
 
+                if (node.mode === 'custom' && msg.hasOwnProperty('parts')) {
+                    if (msg.parts.hasOwnProperty('parts')) {
+                        msg.parts = { parts: msg.parts.parts };
+                    }
+                    else {
+                        delete msg.parts;
+                    }
+                }
+
                 var payloadType;
                 var propertyKey;
                 var targetCount;