Add a single place to initialize Flipper utilitary folders

Summary: We have several folders Flipper uses that sometimes we forget to create before Flipper starts. With this diff we have a single place to initialise the necessary folder structure.

Reviewed By: lblasa

Differential Revision: D37036601

fbshipit-source-id: f945f2bfdfc6be24ba87bd4b13c7fcef3fd74451

desktop/flipper-server-core/src/FlipperServerImpl.tsx

@@ -50,6 +50,8 @@ import rm from 'rimraf';
 import assert from 'assert';
 import {initializeAdbClient} from './devices/android/adbClient';
 import {assertNotNull} from './comms/Utilities';
+import {mkdirp} from 'fs-extra';
+import {flipperDataFolder, flipperSettingsFolder} from './utils/paths';
 
 const {access, copyFile, mkdir, unlink, stat, readlink, readFile, writeFile} =
   promises;
@@ -167,6 +169,7 @@ export class FlipperServerImpl implements FlipperServer {
     this.setServerState('starting');
 
     try {
+      await this.createFolders();
       await this.server.init();
       await this.pluginManager.start();
       await this.startDeviceListeners();
@@ -179,6 +182,11 @@ export class FlipperServerImpl implements FlipperServer {
     }
   }
 
+  private async createFolders() {
+    await mkdirp(flipperDataFolder);
+    await mkdirp(flipperSettingsFolder);
+  }
+
   async startDeviceListeners() {
     const asyncDeviceListenersPromises: Array<Promise<void>> = [];
     if (this.config.settings.enableAndroid) {