[Init] Initial commit - NetMesh terminal manager

components/terminal/runtime/terminalResizeScheduler.ts

@@ -0,0 +1,39 @@
+export type TerminalResizeRequest = Readonly<{
+  sessionId: string;
+  cols: number;
+  rows: number;
+}>;
+
+export type TerminalResizeScheduler = Readonly<{
+  schedule: (request: TerminalResizeRequest) => void;
+  dispose: () => void;
+}>;
+
+export function createTerminalResizeScheduler(
+  delayMs: number,
+  apply: (request: TerminalResizeRequest) => void,
+): TerminalResizeScheduler {
+  let timeout: ReturnType<typeof setTimeout> | null = null;
+  let disposed = false;
+
+  return Object.freeze({
+    schedule(request: TerminalResizeRequest) {
+      if (disposed) return;
+      if (timeout) clearTimeout(timeout);
+      const pendingRequest = Object.freeze({ ...request });
+      timeout = setTimeout(() => {
+        timeout = null;
+        if (disposed) return;
+        apply(pendingRequest);
+      }, delayMs);
+    },
+    dispose() {
+      if (disposed) return;
+      disposed = true;
+      if (timeout) {
+        clearTimeout(timeout);
+        timeout = null;
+      }
+    },
+  });
+}