Migrated all servers services to TS

src/servers/services/ServersExporter.ts

@@ -0,0 +1,52 @@
+import { dissoc, head, keys, values } from 'ramda';
+import { CsvJson } from 'csvjson';
+import LocalStorage from '../../utils/services/LocalStorage';
+import { ServersMap } from '../data';
+
+const saveCsv = (window: Window, csv: string) => {
+  const { navigator, document } = window;
+  const filename = 'shlink-servers.csv';
+  const blob = new Blob([ csv ], { type: 'text/csv;charset=utf-8;' });
+
+  // IE10 and IE11
+  if (navigator.msSaveBlob) {
+    navigator.msSaveBlob(blob, filename);
+
+    return;
+  }
+
+  // Modern browsers
+  const link = document.createElement('a');
+  const url = URL.createObjectURL(blob);
+
+  link.setAttribute('href', url);
+  link.setAttribute('download', filename);
+  link.style.visibility = 'hidden';
+  document.body.appendChild(link);
+  link.click();
+  document.body.removeChild(link);
+};
+
+export default class ServersExporter {
+  public constructor(
+    private readonly storage: LocalStorage,
+    private readonly window: Window,
+    private readonly csvjson: CsvJson,
+  ) {}
+
+  public readonly exportServers = async () => {
+    const servers = values(this.storage.get<ServersMap>('servers') || {}).map(dissoc('id'));
+
+    try {
+      const csv = this.csvjson.toCSV(servers, {
+        headers: keys(head(servers)).join(','),
+      });
+
+      saveCsv(this.window, csv);
+    } catch (e) {
+      // FIXME Handle error
+      /* eslint no-console: "off" */
+      console.error(e);
+    }
+  };
+}