From 2646009826ee2d14cfa5cdb234b0f36930ba77e4 Mon Sep 17 00:00:00 2001
From: mic <m@micz.it>
Date: Mon, 29 Jul 2024 23:18:56 +0200
Subject: [PATCH] prevent to send empty messages

---
 api_webchat/messageInput.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/api_webchat/messageInput.js b/api_webchat/messageInput.js
index 944fbcbb..4533ac43 100644
--- a/api_webchat/messageInput.js
+++ b/api_webchat/messageInput.js
@@ -138,6 +138,10 @@ class MessageInput extends HTMLElement {
     }
 
     _handleNewChatMessage() {
+        //do nothing if input is empty
+        if ((!this._messageInputField.value)||(this._messageInputField.value.trim().length === 0)) {
+            return;
+        }
         // prevent user from interacting while we're waiting
         this._sendButton.setAttribute('disabled', 'disabled');
         this._messageInputField.setAttribute('disabled', 'disabled');