fix(core): update

ts/classes.pdfservice.ts

@@ -0,0 +1,51 @@
+import * as plugins from './plugins.js';
+import * as paths from './paths.js';
+import * as helpers from './helpers.js';
+
+export interface IPdfServiceConstructorOptions {
+
+}
+
+/**
+ * a pdf service for generating pdfs
+ */
+export class PdfService {
+  // INSTANCE
+  options: IPdfServiceConstructorOptions;
+
+  public smartpdfInstance: plugins.smartpdf.SmartPdf;
+
+  constructor(optionsArg: IPdfServiceConstructorOptions) {
+    this.options = optionsArg;
+  }
+
+  /**
+   * starts the  PdfService
+   */
+  public async start() {
+    this.smartpdfInstance = new plugins.smartpdf.SmartPdf();
+    await this.smartpdfInstance.start();
+  }
+
+  /**
+   * stops the PdfService
+   */
+  public async stop() {
+    await this.smartpdfInstance.stop();
+  }
+
+  /**
+   * creates an letter
+   */
+  public async createPdfFromLetterObject(letterDataArg: plugins.tsclass.business.ILetter) {
+    const html = `
+      <script type="module">
+        ${await helpers.getBundleAsString()}
+      </script>
+      <dedocument-dedocument printMode letterData="${plugins.smartjson.stringifyBase64(letterDataArg)}"></dedocument-dedocument>
+    `;
+    // console.log(html);
+    const pdfResult = await this.smartpdfInstance.getA4PdfResultForHtmlString(html);
+    return pdfResult;
+  }
+}