function split(line: string) {
    const parts: string[] = [];
    const commaIndexes = [];

    let
        isOpen = false,
        lastIndex = 0;

    for (let i = 0; i < line.length; i++) {
        const char = line[i];

        if (char === "\"")
            isOpen = !isOpen;

        if (i === line.length - 1)
            parts.push(line.substr(lastIndex + 1));
        else
            if (char === "," && !isOpen) {
                parts.push(line.substring(lastIndex === 0 ? lastIndex : lastIndex + 1, i));
                lastIndex = i;
            }
    }

    return parts;
}