Delete unused code

Summary:
^

There's no references to this anywhere, so delete.

Reviewed By: antonk52

Differential Revision: D45309041

fbshipit-source-id: e62e94b089eee30b82b05f64c8e7b31dd03597b6

desktop/flipper-ui-browser/src/flipperServerConnection.tsx

@@ -1,153 +0,0 @@
-/**
- * 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 EventEmitter from 'eventemitter3';
-import {
-  ExecWebSocketMessage,
-  FlipperServer,
-  ServerWebSocketMessage,
-} from 'flipper-common';
-import ReconnectingWebSocket from 'reconnecting-websocket';
-
-const CONNECTION_TIMEOUT = 30 * 1000;
-const EXEC_TIMOUT = 30 * 1000;
-
-export function createFlipperServer(): Promise<FlipperServer> {
-  // TODO: polish this all!
-  window.flipperShowError?.('Connecting to server...');
-  return new Promise<FlipperServer>((resolve, reject) => {
-    let initialConnectionTimeout: number | undefined = window.setTimeout(() => {
-      reject(
-        new Error('Failed to connect to Flipper server in a timely manner'),
-      );
-    }, CONNECTION_TIMEOUT);
-
-    const eventEmitter = new EventEmitter();
-    // TODO: recycle the socket that is created in index.web.dev.html?
-    const socket = new ReconnectingWebSocket(`ws://${location.host}`);
-    const pendingRequests: Map<
-      number,
-      {
-        resolve: (data: any) => void;
-        reject: (data: any) => void;
-        timeout: ReturnType<typeof setTimeout>;
-      }
-    > = new Map();
-    let requestId = 0;
-    let connected = false;
-
-    socket.addEventListener('open', () => {
-      if (initialConnectionTimeout) {
-        // only relevant for the first connect
-        resolve(flipperServer);
-        clearTimeout(initialConnectionTimeout);
-        initialConnectionTimeout = undefined;
-      }
-
-      window?.flipperHideError?.();
-      console.log('Socket to Flipper server connected');
-      connected = true;
-    });
-
-    socket.addEventListener('close', () => {
-      window?.flipperShowError?.('WebSocket connection lost');
-      console.warn('Socket to Flipper server disconnected');
-      connected = false;
-      pendingRequests.forEach((r) =>
-        r.reject(new Error('FLIPPER_SERVER_SOCKET_CONNECT_LOST')),
-      );
-      pendingRequests.clear();
-    });
-
-    socket.addEventListener('message', ({data}) => {
-      const {event, payload} = JSON.parse(
-        data.toString(),
-      ) as ServerWebSocketMessage;
-
-      switch (event) {
-        case 'exec-response': {
-          console.debug('exec <<<', payload);
-          const entry = pendingRequests.get(payload.id);
-          if (!entry) {
-            console.warn(`Unknown request id `, payload.id);
-          } else {
-            pendingRequests.delete(payload.id);
-            clearTimeout(entry.timeout);
-            entry.resolve(payload.data);
-          }
-          break;
-        }
-        case 'exec-response-error': {
-          // TODO: Deserialize error
-          console.debug('exec <<< [SERVER ERROR]', payload.id, payload.data);
-          const entry = pendingRequests.get(payload.id);
-          if (!entry) {
-            console.warn(`Unknown request id `, payload.id);
-          } else {
-            pendingRequests.delete(payload.id);
-            clearTimeout(entry.timeout);
-            entry.reject(payload.data);
-          }
-          break;
-        }
-        case 'server-event': {
-          eventEmitter.emit(payload.event, payload.data);
-          break;
-        }
-        default: {
-          console.warn(
-            'createFlipperServer -> unknown message',
-            data.toString(),
-          );
-        }
-      }
-    });
-
-    const flipperServer: FlipperServer = {
-      async connect() {},
-      close() {},
-      exec(command, ...args): any {
-        if (connected) {
-          const id = ++requestId;
-          return new Promise<any>((resolve, reject) => {
-            console.debug('exec >>>', id, command, args);
-
-            pendingRequests.set(id, {
-              resolve,
-              reject,
-              timeout: setInterval(() => {
-                pendingRequests.delete(id);
-                reject(new Error(`Timeout for command '${command}'`));
-              }, EXEC_TIMOUT),
-            });
-
-            const execMessage = {
-              event: 'exec',
-              payload: {
-                id,
-                command,
-                args,
-              },
-            } as ExecWebSocketMessage;
-            socket.send(JSON.stringify(execMessage));
-          });
-          //   socket.
-        } else {
-          throw new Error('Not connected to Flipper Server');
-        }
-      },
-      on(event, callback) {
-        eventEmitter.on(event, callback);
-      },
-      off(event, callback) {
-        eventEmitter.off(event, callback);
-      },
-    };
-  });
-}