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First part of the handlebars barcode generation

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ref #13
This commit is contained in:
Nicolai Ort 2021-02-08 09:11:59 +01:00
parent 27d1d69360
commit a35f8cfd3a
1 changed files with 10 additions and 1 deletions
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11
src/PdfCreator.ts
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@ -1,4 +1,5 @@
import axios from 'axios'; import axios from 'axios';
import bwipjs from "bwip-js";
import cheerio from "cheerio"; import cheerio from "cheerio";
import fs from "fs"; import fs from "fs";
import Handlebars from 'handlebars'; import Handlebars from 'handlebars';
@ -82,6 +83,11 @@ export class PdfCreator {
return i18next.t(str, PdfCreator.interpolations).toString(); 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 }); this.browser = await puppeteer.launch({ headless: true, args: minimal_args });
} }
@ -121,6 +127,9 @@ export class PdfCreator {
const $ = cheerio.load(html) const $ = cheerio.load(html)
$('img').each(async (index, element) => { $('img').each(async (index, element) => {
let imgsrc = $(element).attr("src"); let imgsrc = $(element).attr("src");
if (imgsrc.startsWith("data:image")) {
return;
}
const img_type = mime.lookup(imgsrc); const img_type = mime.lookup(imgsrc);
if (!(img_type.includes("image"))) { 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. * @param content Barcode content/text - please remember that some formats only support certain input types.
* @returns Barcode image as base64 encoded png string. * @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({ let barcode: Buffer = await bwipjs.toBuffer({
bcid: type, bcid: type,
text: content, text: content,