gistfile1.txt

function Parse(str){
    return str.split("\n").map((e, i, arr) => {
        console.log(`${i} of ${arr.length}!`); //Like this
        if(e.indexOf(':') > -1){
            let end = e.split(':').pop();
            let first = end.indexOf(`"`);
            let last = end.lastIndexOf(`"`);

            if(first === last || first < 0) return e.replace(new RegExp('\\\\', 'g') , "\\\\");

            return e.split(':')[0] + `: "${end.substring(++first, last).replace(new RegExp(`"`, 'g'), `'`).replace(new RegExp('\\\\', 'g') , "\\\\")}"`;
        } else return e.replace(new RegExp('\\\\', 'g') , "\\\\");;
    }).join('\n');
}