feat(nestjs): migrate to NestJS

packages/server/src/libs/chromiumly/HTMLConvert.ts

@@ -0,0 +1,38 @@
+import { constants, createReadStream, PathLike, promises } from 'fs';
+import FormData from 'form-data';
+import { GotenbergUtils } from './GotenbergUtils';
+import { IConverter, PageProperties } from './_types';
+import { PdfFormat, ChromiumRoute } from './_types';
+import { ConverterUtils } from './ConvertUtils';
+import { Converter } from './Converter';
+
+export class HtmlConverter extends Converter implements IConverter {
+  constructor() {
+    super(ChromiumRoute.HTML);
+  }
+
+  async convert({
+    html,
+    properties,
+    pdfFormat,
+  }: {
+    html: PathLike;
+    properties?: PageProperties;
+    pdfFormat?: PdfFormat;
+  }): Promise<Buffer> {
+    try {
+      await promises.access(html, constants.R_OK);
+      const data = new FormData();
+      if (pdfFormat) {
+        data.append('pdfFormat', pdfFormat);
+      }
+      data.append('index.html', createReadStream(html));
+      if (properties) {
+        ConverterUtils.injectPageProperties(data, properties);
+      }
+      return GotenbergUtils.fetch(this.endpoint, data);
+    } catch (error) {
+      throw error;
+    }
+  }
+}