Refactor Open

Summary: Extract our launch UI logic into flipper-server-core.

Reviewed By: passy

Differential Revision: D51115241

fbshipit-source-id: 185e381eab6b480d86a5e1201f45c070104d0cea

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

@@ -13,13 +13,13 @@ export * from './tracker';
 export {loadLauncherSettings} from './utils/launcherSettings';
 export {loadProcessConfig} from './utils/processConfig';
 export {getEnvironmentInfo} from './utils/environmentInfo';
-export {findInstallation} from './utils/findInstallation';
 export {getGatekeepers} from './gk';
 export {setupPrefetcher} from './fb-stubs/Prefetcher';
 export * from './server/attachSocketServer';
 export * from './server/startFlipperServer';
 export * from './server/startServer';
 export * from './server/utilities';
+export * from './utils/openUI';
 export {isFBBuild} from './fb-stubs/constants';
 export {initializeLogger} from './fb-stubs/Logger';
 

desktop/flipper-server-core/src/utils/openUI.tsx

@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import open from 'open';
+import {getAuthToken} from '../app-connectivity/certificate-exchange/certificate-utils';
+import {findInstallation} from './findInstallation';
+import {tracker} from '../tracker';
+
+export enum UIPreference {
+  Browser,
+  PWA,
+}
+
+export async function openUI(preference: UIPreference, port: number) {
+  console.info('[flipper-server] Launch UI');
+
+  const token = await getAuthToken();
+  console.info(
+    `[flipper-server] Get authentication token: ${token?.length != 0}`,
+  );
+
+  const openInBrowser = async () => {
+    console.info('[flipper-server] Open in browser');
+    const url = new URL(`http://localhost:${port}`);
+
+    console.info(`[flipper-server] Go to: ${url.toString()}`);
+
+    open(url.toString(), {app: {name: open.apps.chrome}});
+
+    tracker.track('server-open-ui', {
+      browser: true,
+      hasToken: token?.length != 0,
+    });
+  };
+
+  if (preference === UIPreference.Browser) {
+    await openInBrowser();
+  } else {
+    const path = await findInstallation();
+    if (path) {
+      console.info('[flipper-server] Open in PWA. Location:', path);
+      tracker.track('server-open-ui', {
+        browser: false,
+        hasToken: token?.length != 0,
+      });
+      open(path);
+    } else {
+      await openInBrowser();
+    }
+  }
+
+  console.info('[flipper-server] Launch UI completed');
+}