[console.save] download console output to file

console-save.js

((console) => {
    console.save = (data, filename) => {
        if (!data) {
            console.error('Console.save: No data');
            return;
        }

        if (!filename) filename = 'console.json';

        if (typeof data === "object") {
            data = JSON.stringify(data, undefined, 2);
        }

        var blob = new Blob([data], {type: 'text/json'}),
            e    = document.createEvent('MouseEvents'),
            a    = document.createElement('a');

        a.download = filename;
        a.href = window.URL.createObjectURL(blob);
        a.dataset.downloadurl =  ['text/json', a.download, a.href].join(':');
        e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
        a.dispatchEvent(e);
    };
})(console);