From a35f8cfd3aa94923968fd77425c074844d28ec0d Mon Sep 17 00:00:00 2001
From: Nicolai Ort <info@nicolai-ort.com>
Date: Mon, 8 Feb 2021 09:11:59 +0100
Subject: [PATCH] First part of the handlebars barcode generation

ref #13
---
 src/PdfCreator.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/PdfCreator.ts b/src/PdfCreator.ts
index 8c09b3b..d1e17fd 100644
--- a/src/PdfCreator.ts
+++ b/src/PdfCreator.ts
@@ -1,4 +1,5 @@
 import axios from 'axios';
+import bwipjs from "bwip-js";
 import cheerio from "cheerio";
 import fs from "fs";
 import Handlebars from 'handlebars';
@@ -82,6 +83,11 @@ export class PdfCreator {
                 return i18next.t(str, PdfCreator.interpolations).toString();
             }
         );
+        await Handlebars.registerHelper('--bc',
+            function (str) {
+                return "data:image";
+            }
+        );
         this.browser = await puppeteer.launch({ headless: true, args: minimal_args });
     }
 
@@ -121,6 +127,9 @@ export class PdfCreator {
         const $ = cheerio.load(html)
         $('img').each(async (index, element) => {
             let imgsrc = $(element).attr("src");
+            if (imgsrc.startsWith("data:image")) {
+                return;
+            }
             const img_type = mime.lookup(imgsrc);
 
             if (!(img_type.includes("image"))) {
@@ -186,7 +195,7 @@ export class PdfCreator {
      * @param content Barcode content/text - please remember that some formats only support certain input types.
      * @returns Barcode image as base64 encoded png string.
      */
-    public async generateBarcode(type: string, content: string): Promise<String> {
+    public static async generateBarcode(type: string, content: string): Promise<String> {
         let barcode: Buffer = await bwipjs.toBuffer({
             bcid: type,
             text: content,