Console Save

console.save.ts

declare global {
  interface Console {
    save(data: any, filename?: string): void;
  }
}

(function (console: Console) {
  console.save = function (data: any, filename?: string): void {
    if (!data) {
      console.error('Console.save: No data');
      return;
    }

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

    if (typeof data === 'object') {
      data = JSON.stringify(data, undefined, 4);
    }

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