scroll/src/bun/mod.ts

/**
 * The main entrypoint when using Bun as the runtime
 */

import { getTermios } from '../common/termios';
import {ctrl_key, is_control} from "../common/strings";

export async function main(): Promise<number> {
	const t = await getTermios();
	t.enableRawMode();

	const decoder = new TextDecoder();
	for await (const chunk of Bun.stdin.stream()) {
		const char = String(decoder.decode(chunk));

		if (char === ctrl_key('q')) {
			t.disableRawMode();
			return 0;
		}

		if (is_control(char)) {
			console.log(char.codePointAt(0) + '\r');
		} else {
			console.log(`${char} ('${char.codePointAt(0)}')\r`);
		}

	}

	process.on('exit', (code) => {
		console.log(`Process exited with code ${code}`);
		t.disableRawMode();
	});

	return -1;
}