☰

console.save

A simple way to save objects as .json files or to save blobs as files from the console.

  1. // ==UserScript==
  2. // @name         console.save
  3. // @namespace    http://bgrins.github.io/
  4. // @version      0.2.0
  5. // @description  A simple way to save objects as .json files or to save blobs as files from the console.
  6. // @author       Devtools Snippets
  7. // @match        http://*/*
  8. // @match        https://*/*
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function () {
  13.   'use strict';
  14.  
  15.   window.console.save = function (data, filename) {
  16.  
  17.     if (!data) {
  18.       console.error('Console.save: No data')
  19.       return;
  20.     }
  21.  
  22.     if (!filename) {
  23.       console.error('Console.save: No filename')
  24.       return
  25.     }
  26.  
  27.     var blob
  28.     if (Object.prototype.toString.call(data) === '[object Blob]') {
  29.       blob = data
  30.     } else {
  31.       if (typeof data === "object") {
  32.         data = JSON.stringify(data, undefined, 4)
  33.       }
  34.       blob = new Blob([data], { type: 'text/json' })
  35.     }
  36.  
  37.     var e = document.createEvent('MouseEvents')
  38.     var a = document.createElement('a')
  39.  
  40.     a.download = filename
  41.     a.href = window.URL.createObjectURL(blob)
  42.     a.dataset.downloadurl = ['text/json', a.download, a.href].join(':')
  43.     e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)
  44.     a.dispatchEvent(e)
  45.   }
  46. })();