Added support to download QR codes to the QR code modal

src/common/services/ImageDownloader.ts

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

src/common/services/provideServices.ts

@@ -9,12 +9,17 @@ import ErrorHandler from '../ErrorHandler';
 import ShlinkVersionsContainer from '../ShlinkVersionsContainer';
 import { ConnectDecorator } from '../../container/types';
 import { withoutSelectedServer } from '../../servers/helpers/withoutSelectedServer';
+import { ImageDownloader } from './ImageDownloader';
 
 const provideServices = (bottle: Bottle, connect: ConnectDecorator, withRouter: Decorator) => {
+  // Services
   bottle.constant('window', (global as any).window);
   bottle.constant('console', global.console);
   bottle.constant('axios', axios);
 
+  bottle.service('ImageDownloader', ImageDownloader, 'axios', 'window');
+
+  // Components
   bottle.serviceFactory('ScrollToTop', ScrollToTop);
   bottle.decorator('ScrollToTop', withRouter);