import * as fs from "fs-extra";
import { InsightError } from "../controller/IInsightFacade";

export default class QueryPersister {
	constructor() {}

	public async persistQuery(dir: string): Promise<any> {
		try {
			return await fs.readJson(dir);
		} catch (_e) {
			throw new InsightError(`persistQuery: dataset doesn't exist`);
		}
	}
}