From 125390661cd9650d2c603a903736cd961a518fe7 Mon Sep 17 00:00:00 2001
From: Tourjmen Souhail <95188930+souhailtourjmen@users.noreply.github.com>
Date: Fri, 22 Nov 2024 14:23:28 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20Introduce=20custom=20`charsPerLine`=20p?=
 =?UTF-8?q?roperty=20for=20enhanced=20ticket=20la=E2=80=A6=20(#198)?=
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* feat: Introduce custom `charsPerLine` property for enhanced ticket layout flexibility

- Added `charsPerLine` option to the Printer API, allowing custom character width per line.
- Enhances layout control for complex ticket templates.
- Fixes issue #197: Proposal for custom `charsPerLine` for flexible layouts.

* - Cleaned up code formatting by removing an unnecessary space in the parameters list.
#197

* style: format code for ESLint best practices
#197
---
 src/printer/printHelpers/addTextLine.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/printer/printHelpers/addTextLine.ts b/src/printer/printHelpers/addTextLine.ts
index f1046e6..297b367 100644
--- a/src/printer/printHelpers/addTextLine.ts
+++ b/src/printer/printHelpers/addTextLine.ts
@@ -5,19 +5,22 @@ import { PrinterConstants, DEFAULT_PAPER_WIDTH } from '../constants';
 
 export async function addTextLine(
   printer: Printer,
-  params: SpaceBetweenParams
+  params: SpaceBetweenParams,
+  customCharsPerLine?: number
 ) {
   const printerCharsPerLinePerWidth = getFontACharsPerLine(printer.deviceName);
   const { value: paperWidth } = await printer.getPrinterSetting(
     PrinterConstants.PRINTER_SETTING_PAPERWIDTH
   );
 
-  const charsPerLine =
-    printerCharsPerLinePerWidth[paperWidth || DEFAULT_PAPER_WIDTH];
+  const charsPerLine = customCharsPerLine
+    ? customCharsPerLine
+    : printerCharsPerLinePerWidth[paperWidth || DEFAULT_PAPER_WIDTH];
 
   const text = spaceBetween(
     Math.ceil(charsPerLine / printer.currentFontWidth),
     params
   );
+
   await printer.addText(text);
 }