Don't trim tickets line breaks

Author: erikn69

README.md

@@ -28,9 +28,10 @@ The app now runs standalone via Electron.
 ## References
 * [ZPL Command Support](http://labelary.com/docs.html)
 * [ZPL Web Service](http://labelary.com/service.html)
+* [Esc/Pos Commands](https://escpos.readthedocs.io/en/latest/commands.html)
+* [Esc/Pos receipt print tools](https://github.com/receipt-print-hq/escpos-tools)
 * [Electron](https://www.electronjs.org)
 * [Electron Forge](https://www.electronforge.io)
-* [Esc/Pos receipt print tools](https://github.com/receipt-print-hq/escpos-tools)
 
 ## Release notes
 

ZplEscPrinter/js/main.js

@@ -110,7 +110,7 @@ function notify(text, glyphicon, type, delay) {
     setTimeout(function () { el.fadeOut(1000); }, delay || 2000);
 }
 async function zpl(data){
-    try{ data = atob(data).trim(); }catch(e){}
+    try{ data = atob(data.trim()); }catch(e){}
     const zpls = data.split(/\^XZ|\^xz/);
     const factor = configs.unit === '1' ? 1 : (configs.unit === '2' ? 2.54 : (configs.unit === '3' ? 25.4 : 96.5));
     const width = parseFloat(configs.width) / factor;
@@ -150,7 +150,7 @@ async function zpl(data){
     }
 }
 async function escpos(data){
-    try{ data = atob(data).trim(); }catch(e){}
+    try{ data = atob(data.trim()); }catch(e){}
     try{ data = JSON.parse(JSON.stringify(data).replaceAll(/(\\\\|\/)[u|U]00/g, '\\u00').replaceAll(/\\\\[x|X]/g, '\\x')); }catch(e){}
 
     if (!data || !data.trim().length) {
@@ -251,7 +251,7 @@ function startTcpServer() {
             notify('{0} bytes received from Client: <b>{1}</b> Port: <b>{2}</b>'.format(data.length, clientSocketInfo.peerAddress, clientSocketInfo.peerPort), 'print', 'info', 1000);
 
             const regex = /POST.*\r\n\r\n/gs;
-            const code = String.fromCharCode.apply(null, new Uint8Array(data)).replace(regex,'').trim();
+            const code = String.fromCharCode.apply(null, new Uint8Array(data)).replace(regex,'');
             if (code.includes('Host:') && code.includes('Connection: keep-alive') && code.includes('HTTP')) {
                 console.log('It\'s an ajax call');
                 return;

package.json

@@ -1,7 +1,7 @@
 {
   "name": "zpl-escpos-printer",
   "productName": "Zpl/EscPos Printer",
-  "version": "3.0.1",
+  "version": "3.0.2",
   "description": "Printer emulator for Zpl/EscPos rendering engine.",
   "main": "main.js",
   "scripts": {