zapier-filename-formatting-example.js

// Example offsets (please take DST into account!):
// -8 = America, Los Angeles
// -5 = America, New York
// +1 = Europe, Amsterdam
// +8 = Australia, Perth
// +9.5 = Australia, Darwin
const timeZoneOffset = +1;

const makeSlug = function (text) {

    return text.replace(/\/+/g, '-');
};

const makeFileSystemSafe = function (text, replacement = '', maxLength = 255) {

    const illegal = /[\/\?<>\\:\*\|":]/g;
    const control = /[\x00-\x1f\x80-\x9f]/g;
    const reserved = /^\.+$/;
    const windowsReserved = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])(\..*)?$/i;
    const windowsTrailing = /[\. ]+$/;

    const sanitizedText = text
        .replace(illegal, replacement)
        .replace(control, replacement)
        .replace(reserved, replacement)
        .replace(windowsReserved, replacement)
        .replace(windowsTrailing, replacement);

    return sanitizedText.slice(0, maxLength);
};

const formatDate = function (utcDateAsText, timeZoneOffset) {

    const utcDate = new Date(utcDateAsText);
    const localDate = new Date(utcDate.getTime() + (3600000 * timeZoneOffset));

    const pad = (number) => {

        return (number < 10) ? '0' + number : number;
    };

    return localDate.getFullYear() +
        '-' + pad(localDate.getMonth() + 1) +
        '-' + pad(localDate.getDate()) +
        ' ' + pad(localDate.getHours()) +
        ':' + pad(localDate.getMinutes()) +
        ':' + pad(localDate.getSeconds());
};

const createScreenshotFileName = function (name, date, timeZoneOffset) {

    return makeFileSystemSafe(formatDate(date, timeZoneOffset), '-') + '-' + makeFileSystemSafe(makeSlug(name), '', 150);
};

output = {}; // Used by Zapier

output['filename'] = createScreenshotFileName(inputData.name, inputData.dateCreated, timeZoneOffset);