[Init] Initial commit - NetMesh terminal manager

components/systemManager/tmuxActionFocus.ts

@@ -0,0 +1,69 @@
+import type { TmuxManageAction } from '../../domain/systemManager/types';
+
+type TmuxActionResult = {
+  success: boolean;
+  error?: string;
+};
+
+type TmuxActionPayload = { sessionId: string } & TmuxManageAction;
+
+interface RunTmuxSessionActionOptions {
+  sessionId: string;
+  action: TmuxManageAction;
+  tmuxAction: (payload: TmuxActionPayload) => Promise<TmuxActionResult>;
+  onRefreshDetails?: () => Promise<void>;
+  onSessionsChanged: () => Promise<void>;
+  onRequestTerminalFocus?: () => void;
+}
+
+const shouldRequestTerminalFocusAfterAction = (action: TmuxManageAction): boolean =>
+  action.action === 'detachSession';
+
+const DEFERRED_TERMINAL_FOCUS_DELAYS_MS = [0, 50, 150] as const;
+
+export function scheduleDeferredTerminalFocus(onRequestTerminalFocus?: () => void): void {
+  if (!onRequestTerminalFocus) return;
+
+  const run = () => onRequestTerminalFocus();
+  const schedule = typeof globalThis.setTimeout === 'function'
+    ? globalThis.setTimeout.bind(globalThis)
+    : (callback: () => void) => {
+      callback();
+      return 0;
+    };
+  const raf = typeof globalThis.requestAnimationFrame === 'function'
+    ? globalThis.requestAnimationFrame.bind(globalThis)
+    : (callback: () => void) => {
+      callback();
+      return 0;
+    };
+
+  raf(() => {
+    for (const delayMs of DEFERRED_TERMINAL_FOCUS_DELAYS_MS) {
+      schedule(run, delayMs);
+    }
+  });
+}
+
+export async function runTmuxSessionAction({
+  sessionId,
+  action,
+  tmuxAction,
+  onRefreshDetails,
+  onSessionsChanged,
+  onRequestTerminalFocus,
+}: RunTmuxSessionActionOptions): Promise<TmuxActionResult> {
+  const result = await tmuxAction({ sessionId, ...action });
+  if (!result.success) return result;
+
+  try {
+    await onRefreshDetails?.();
+    await onSessionsChanged();
+  } finally {
+    if (shouldRequestTerminalFocusAfterAction(action)) {
+      scheduleDeferredTerminalFocus(onRequestTerminalFocus);
+    }
+  }
+
+  return result;
+}