Move more components to shlink-web-component when applicable

shlink-web-component/utils/services/ImageDownloader.ts

@@ -0,0 +1,13 @@
+import { saveUrl } from '../helpers/files';
+import type { Fetch } from '../types';
+
+export class ImageDownloader {
+  public constructor(private readonly fetch: Fetch, private readonly window: Window) {}
+
+  public async saveImage(imgUrl: string, filename: string): Promise<void> {
+    const data = await this.fetch(imgUrl).then((resp) => resp.blob());
+    const url = URL.createObjectURL(data);
+
+    saveUrl(this.window, url, filename);
+  }
+}