RocketChat/Rocket.Chat

function split(parameters: string, ignoreExtraUnquotedSpaces = true): string[] {
    // Replace \n\r with a single \n
    const line = parameters.replace(/\n\r/gm, '\n');

    const items = line.split(/[ \n\r\t]/);

    if (ignoreExtraUnquotedSpaces) {
        return items.filter(Boolean);
    }

    return items;
}

export function parseParameters(parameters: string, ignoreExtraUnquotedSpaces = true): string[] {
    if (!parameters.trim()) {
        return [];
    }

    const match = parameters.match(/((["'])(?:(?=(\\?))\3.)*?\2)/gs);
    let line = parameters;

    if (!match) {
        return split(line, ignoreExtraUnquotedSpaces);
    }

    match.forEach((item) => {
        const newItem = item
            // Replace start quote with SSA character
            .replace(/(^['"])/g, '\u0086')
            // Replace end quote with ESA character
            .replace(/['"]$/g, '\u0087')
            // Replace spaces inside the quotes with a Punctuation Space character
            .replace(/ /g, '\u2008')
            // Replace new lines inside the quotes with a PLD character
            .replace(/\n/gm, '\u008B')
            // Replace carriage returns inside the quotes with a PLU character
            .replace(/\r/gm, '\u008C')
            // Replace tabs inside the quotes with a VTS character
            .replace(/\t/g, '\u008A');

        line = line.replace(item, newItem);
    });

    // If two quoted parameters are not separated by a space, add one automatically
    line = line.replace(/\u0087\u0086/g, '\u0087 \u0086');

    const items = split(line, ignoreExtraUnquotedSpaces);

    return items.map((item) =>
        item
            // Convert back the spaces from inside quotes
            .replace(/\u2008/g, ' ')
            // Convert back the new lines from inside quotes
            .replace(/\u008B/g, '\n')
            // Convert back the carriage returns from inside quotes
            .replace(/\u008C/g, '\r')
            // Convert back the tabs from inside quotes
            .replace(/\u008A/g, '\t')
            // Remove SSA and ESA characters
            .replace(/[\u0086\u0087]/g, '')
            // Unescape quotes
            .replace(/\\\"/g, '"'),
    );
}