Now with working code scaleing

ref #13

src/asyncHelpers.ts

@@ -11,14 +11,19 @@ asyncHelpers.set('--bc', generateBarcode);
 export const helpers = asyncHelpers.get({ wrap: true });
 
 export async function generateBase64Barcode(type: string, content: string): Promise<String> {
-    let barcode: Buffer = await bwipjs.toBuffer({
+    let options = {
         bcid: type,
         text: content,
-        scale: 3,
+        scale: 4,
         height: 10,
+        width: 10,
         includetext: true,
         textxalign: 'center',
-    });
+    }
+    if (type != "qrcode") {
+        delete options.width;
+    }
+    const barcode: Buffer = await bwipjs.toBuffer(options);
     return `data:image/png;base64,${barcode.toString('base64')}`;
 }