fix: regression generate pdf

src/html-builder.ts

@@ -8,6 +8,7 @@ import {
   LABEL_SIZE,
   TEXT_SIZE,
 } from './constants';
+import { GenerateTypeEnum } from './elements/generate-type.enum';
 
 export class HtmlBuilder extends AbstractBuilder {
   public doc: Document;
@@ -86,4 +87,8 @@ export class HtmlBuilder extends AbstractBuilder {
   public getImageScale(): number {
     return 4;
   }
+
+  public getGenerateType(): GenerateTypeEnum {
+    return GenerateTypeEnum.HTML;
+  }
 }