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clipboard-shims

Shims for GM_setClipboard and GM.setClipboard.

This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greatest.deepsurf.us/scripts/483593/1304472/clipboard-shims.js 

  1. // ==UserScript==
  2. // @name               clipboard-shims
  3. // @description        Shims for GM_setClipboard and GM.setClipboard.
  4. // @author             Jason Kwok
  5. // @namespace          https://jasonhk.dev/
  6. // @version            1.0.0
  7. // @license            MIT
  8. // ==/UserScript==
  9.  
  10. let GM_setClipboard = function GM_setClipboard(data, type = "text/plain")
  11. {
  12.     if (navigator.clipboard?.write)
  13.     {
  14.         navigator.clipboard.write([new ClipboardItem({ [type]: data })]);
  15.     }
  16.     else
  17.     {
  18.         document.addEventListener("copy", (event) =>
  19.         {
  20.             event.preventDefault();
  21.             event.stopImmediatePropagation();
  22.  
  23.             event.clipboardData.setData(type, data);
  24.         }, { capture: true, once: true });
  25.  
  26.         document.execCommand("copy");
  27.     }
  28. }
  29.  
  30. GM.setClipboard = GM_setClipboard;