Method drainInput

packages/pi-tui/src/terminal.ts:368–404

(maxMs = 1000, idleMs = 50)

	}

	async drainInput(maxMs = 1000, idleMs = 50): Promise<void> {
		const shouldDisableKittyProtocol = this.keyboardProtocolPushed || this._kittyProtocolActive;
		this.clearKeyboardProtocolNegotiationBuffer();
		if (shouldDisableKittyProtocol) {
			// Disable Kitty keyboard protocol first so any late key releases
			// do not generate new Kitty escape sequences.
			process.stdout.write("\x1b[<u");
			this.keyboardProtocolPushed = false;
			this._kittyProtocolActive = false;
			setKittyProtocolActive(false);
		}
		this.disableModifyOtherKeys();

		const previousHandler = this.inputHandler;
		this.inputHandler = undefined;

		let lastDataTime = Date.now();
		const onData = () => {
			lastDataTime = Date.now();
		};

		process.stdin.on("data", onData);
		const endTime = Date.now() + maxMs;

		try {
			while (true) {
				const now = Date.now();
				const timeLeft = endTime - now;
				if (timeLeft <= 0) break;
				if (now - lastDataTime >= idleMs) break;
				await new Promise((resolve) => setTimeout(resolve, Math.min(idleMs, timeLeft)));
			}
		} finally {
			process.stdin.removeListener("data", onData);
			this.inputHandler = previousHandler;
		}
	}

	stop(): void {
		if (this.clearProgressInterval()) {