import * as fs from "fs";
import * as path from "path";

export class DirHelper {
    public static mkdirIfNotExist(dir: string): string | void {
        if (this.exists(dir)) {
            return;
        }

        console.log("Directory doesn't exist, creating it...");
        return dir
            .split(path.sep)
            .reduce((currentPath, folder) => {
                currentPath += folder + path.sep;
                if (!fs.existsSync(currentPath)) {
                    fs.mkdirSync(currentPath);
                }
                return currentPath;
            }, "");
    }

    public static exists(dir: string): boolean {
        return fs.existsSync(dir);
    }
}