Add (create)TextTerminal to pseudoTerminal.ts

src/pseudoTerminal.ts

@@ -116,3 +116,24 @@ export async function createTerminal(options: TerminalOptions): Promise<SSHPseud
     };
     return pseudo;
 }
+
+export interface TextTerminal extends vscode.Pseudoterminal {
+    write(text: string): void;
+    close(code?: number): void;
+    onDidClose: vscode.Event<number>; // Redeclaring that it isn't undefined
+    onDidOpen: vscode.Event<void>;
+}
+
+export function createTextTerminal(initialText?: string): TextTerminal {
+    const onDidWrite = new vscode.EventEmitter<string>();
+    const onDidClose = new vscode.EventEmitter<number>();
+    const onDidOpen = new vscode.EventEmitter<void>();
+    return {
+        write: onDidWrite.fire.bind(onDidWrite),
+        close: onDidClose.fire.bind(onDidClose),
+        onDidWrite: onDidWrite.event,
+        onDidClose: onDidClose.event,
+        onDidOpen: onDidOpen.event,
+        open: () => initialText && (onDidWrite.fire(initialText), onDidClose.fire(1)),
+    };
+}