[Init] Initial commit - NetMesh terminal manager

application/state/pluginTerminalRuntimeLifecycle.ts

@@ -0,0 +1,42 @@
+export interface PluginTerminalRuntimeLifecycleSink {
+  onCommandSubmitted(): void;
+  onCommandCompleted(): void;
+  onCwdChanged(cwd: string | null): void;
+  onTitleChanged(title: string | null): void;
+  onResized(cols: number, rows: number): void;
+  onAlternateScreenChanged(alternateScreen: boolean): void;
+}
+
+export type PluginTerminalRuntimeLifecycleEventType =
+  | 'commandSubmitted'
+  | 'commandCompleted'
+  | 'cwdChanged'
+  | 'titleChanged'
+  | 'resized'
+  | 'alternateScreenChanged';
+
+export function publishPluginTerminalRuntimeLifecycleEvent(
+  lifecycle: PluginTerminalRuntimeLifecycleSink,
+  type: PluginTerminalRuntimeLifecycleEventType,
+  details: Partial<NetcattyTerminalSessionSnapshot> = {},
+): void {
+  switch (type) {
+    case 'commandSubmitted':
+      lifecycle.onCommandSubmitted();
+      return;
+    case 'commandCompleted':
+      lifecycle.onCommandCompleted();
+      return;
+    case 'cwdChanged':
+      lifecycle.onCwdChanged(Object.hasOwn(details, 'cwd') ? details.cwd ?? null : null);
+      return;
+    case 'titleChanged':
+      lifecycle.onTitleChanged(Object.hasOwn(details, 'title') ? details.title ?? null : null);
+      return;
+    case 'resized':
+      if (details.cols != null && details.rows != null) lifecycle.onResized(details.cols, details.rows);
+      return;
+    case 'alternateScreenChanged':
+      if (details.alternateScreen != null) lifecycle.onAlternateScreenChanged(details.alternateScreen);
+  }
+}