const { ESLint } = require("eslint");

function readStdin() {
	return new Promise((resolve) => {
		let data = "";
		process.stdin.setEncoding("utf8");
		process.stdin.on("readable", () => {
			let chunk;
			while ((chunk = process.stdin.read())) {
				data += chunk;
			}
		});
		process.stdin.on("end", () => {
			resolve(data);
		});
	});
}

(async function () {
	const [file] = process.argv.slice(3);

	const eslint = new ESLint({ fix: true });
	const code = await readStdin();

	const results = await eslint.lintText(code, { filePath: file });

	const fixedResult =
		results[0] && results[0].output ? results[0].output : code;

	process.stdout.write(fixedResult);
})();