scroll/src/bun/terminal_io.ts

/**
 * Wrap the runtime-specific hook into stdin
 */
import { ITerminalIO, ITerminalSize } from '../common/mod.ts';

const BunTerminalIO: ITerminalIO = {
	inputLoop: async function* inputLoop() {
		for await (const chunk of Bun.stdin.stream()) {
			yield chunk;
		}
	},
	getSize: function getSize(): ITerminalSize {
		// @TODO implement
		// Check for tput
		// If has tput, use it to get terminal size
		// If not, try FFI fallback
		// Otherwise, return 80x25 as a last resort
		const fallback: ITerminalSize = { rows: 25, cols: 80 };

		return fallback;
	},
	write: async function write(s: string): Promise<void> {
		const buffer = new TextEncoder().encode(s);

		await Bun.write(Bun.stdout, buffer);
	},
};

export default BunTerminalIO;