From 8b1660220363c447563662a91c6f8e0507063fc8 Mon Sep 17 00:00:00 2001
From: Ray Marceau <ray@raymarceau.com>
Date: Sat, 10 Oct 2020 12:46:23 -0700
Subject: [PATCH] fix(NddService): fix NddService socket.on('data') for large
 input

This patch fixes NddService.server socker.on('data') so that it can handle large amounts of input without throwing `SyntaxError: Unexpected end of JSON input` errors.

Fixes #319
---
 services/ndd_service.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/services/ndd_service.js b/services/ndd_service.js
index 5dd54d95..bf25112a 100644
--- a/services/ndd_service.js
+++ b/services/ndd_service.js
@@ -95,8 +95,13 @@ class NddService {
     const pipeName = `node-ndb.${process.pid}.sock`;
     this._pipe = path.join(pipePrefix, pipeName);
     const server = net.createServer(socket => {
+      const chunks = [];
       socket.on('data', async d => {
-        const runSession = await this._startSession(JSON.parse(d), frontend);
+        chunks.push(d);
+      });
+      socket.on('end', async() => {
+        const data = Buffer.concat(chunks);
+        const runSession = await this._startSession(JSON.parse(data), frontend);
         socket.write('run');
         runSession();
       });