Added todo

ref #13

src/PdfCreator.ts

@@ -2,15 +2,18 @@ import axios from 'axios';
 import bwipjs from "bwip-js";
 import cheerio from "cheerio";
 import fs from "fs";
-import Handlebars from 'handlebars';
+import handlebars from 'handlebars';
 import i18next from "i18next";
 import Backend from 'i18next-fs-backend';
 import mime from "mime-types";
 import path from 'path';
 import { PDFDocument } from 'pdf-lib';
+import promisedHandlebars from "promised-handlebars";
 import puppeteer from "puppeteer";
 import { Runner } from './models/Runner';
 import { RunnerGroup } from './models/RunnerGroup';
+
+const Handlebars = promisedHandlebars(handlebars);
 /**
  * This class is responsible for all things pdf creation.
  * This uses the html templates from src/templates.
@@ -68,7 +71,6 @@ export class PdfCreator {
             '--use-gl=swiftshader',
             '--no-sandbox'
         ];
-
         await i18next
             .use(Backend)
             .init({
@@ -85,7 +87,8 @@ export class PdfCreator {
         );
         await Handlebars.registerHelper('--bc',
             function (str) {
-                return "data:image";
+                //TODO: Fix the async behaviour
+                return PdfCreator.generateBarcode("code39", str.toString());
             }
         );
         this.browser = await puppeteer.launch({ headless: true, args: minimal_args });