Format terminal commands on copy

Automatically remove bash comments `#` and prompts `$` on copy by reading the modifying the selected content.

As of 28.04.2020. See ბოლო ვერსია.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

// ==UserScript==
// @namespace   https://gitlab.com/kekumu
// @name        Format terminal commands on copy
// @description Automatically remove bash comments `#` and prompts `$` on copy by reading the modifying the selected content.
// @version     1.0.1
// ==OpenUserJS==
// @author      kekumu; https://gitlab.com/kekumu
// ==/OpenUserJS==
// @copyright   2020, kekumu (https://github.com/kekumu)
// @license     GPL-3.0-or-later; https://www.gnu.org/licenses/gpl-3.0.html
// @homepage    https://github.com/kekumu/userscripts/lib/click2select.js
// @supportURL  https://github.com/kekumu/userscripts/labels/click2select.js
// ==/UserLibrary==
// @include     *
// @grant       none
// ==/UserScript==

(() => {
  "use strict";

  function copyHandler(event) {
    const selection = document.getSelection();

    let lines = selection.toString().split('\n').reduce((res, line) => {
        if (line[0] !== '#') { // Remove lines that start with '#' (comments)
          res.push(line.replace(/^\$ /, '')); // Remove '$ ' prompt
        }
        return res;
      }, []);

    event.clipboardData.setData('text/plain', lines.join('\n'));
    event.preventDefault();
  }

  document.addEventListener('copy', copyHandler);
})();