aswi2021jmsd-gitlab/static/js/utilities.js @ 2cecaf70

/**
 * Generate a file to be downloaded by the browser
 * @param filename name of the file to be downloaded
 * @param text content of the downloaded file
 */
function download(filename, text) {
    // first a hidden <a> element is created and download content is assigned
    var element = document.createElement('a');
    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
    element.setAttribute('download', filename);

    element.style.display = 'none';
    document.body.appendChild(element);

    // generate artificial click event to download the file
    element.click();

    // remove the download link from the webpage
    document.body.removeChild(element);
}

// Adds toDateInputValue() method to Date object
// toDateInputValue() produces date in YYYY-MM-DD format
Date.prototype.toDateInputValue = (function() {
    var local = new Date(this);
    local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
    return local.toJSON().slice(0,10);
});