GreasyFork: download script button

If you have a script manager and you want to download some script without installing it, this script will help

اعتبارا من 24-12-2021. شاهد أحدث إصدار.

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.

ستحتاج إلى تثبيت إضافة مثل Stylus لتثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتتمكن من تثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتثبيت هذا النمط.

ستحتاج إلى تثبيت إضافة لإدارة أنماط المستخدم لتثبيت هذا النمط.

(لدي بالفعل مثبت أنماط للمستخدم، دعني أقم بتثبيته!)

// ==UserScript==
// @name          GreasyFork: download script button
// @description   If you have a script manager and you want to download some script without installing it, this script will help
// @author        Konf
// @version       1.2.1
// @namespace     https://greasyfork.org/users/424058
// @icon          https://www.google.com/s2/favicons?domain=greasyfork.org&sz=32
// @include       /^http(s|):\/\/(sleaz|greas)yfork\.org\/[a-zA-Z_-]*\/scripts\/\d.*$/
// @compatible    Chrome
// @compatible    Opera
// @compatible    Firefox
// @run-at        document-end
// @grant         GM_addStyle
// @noframes
// ==/UserScript==

/* jshint esversion: 6 */
/* eslint-disable no-multi-spaces */

(function() {
  'use strict';

  const langStrings = (function() {
    const userLang = location.pathname.split('/')[1];
    const langStringsList = {
      'en': {
        Dl: 'Download without installing',
        failedDl: 'Failed to download the script. ' +
          'More info might be in console'
      },
      'zh-CN': {
        Dl: '下载此脚本',
        failedDl: '无法下载此脚本'
      },
      'ru': {
        Dl: 'Скачать не устанавливая',
        failedDl: 'Не удалось скачать скрипт. ' +
          'Больше информации может быть в консоли'
      }
    };

    return function(id) {
      const userStrings = langStringsList[userLang];
      const enStrings = langStringsList.en;

      return (userStrings || enStrings)[id] || enStrings[id];
    }
  }());

  // https://img.icons8.com/pastel-glyph/64/ffffff/download.png
  // array because tampermonkey can't roll up a string in the code editor
  const downloadIcon = ['data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAE',
  'AAAABACAYAAACqaXHeAAAABmJLR0QA/wD/AP+gvaeTAAABgUlEQVR4nO3ZTU6DUAAE4HnE',
  'k+jWG3TrHVwY3XoEt23cGleamtRtTbyPS3sCV0bXjptHRAIEsM/hZ76kCZRHGaZAGwDMzM',
  'zMbJ6CasMkMwBncXYbQvhSZZEgecEf56ocmWrDAA4L00eqEMoCBsEFqAOouQB1ADUXoA6g',
  '5gLUAdRcgDqAmgtQB1BzAeoAakkLIHlN8pPkDcnWd59IBpK3cd1VyoxJkfwo3PV5KJZAcl',
  'lYtiy8H+LY3HvKjKlPgU1h+hLAuulIiMvWcWzVZ4xL/Dbv+Nsjyax8BMSx96Wxm3jzdLwa',
  'SliVCpjezucqzmuSfKuZJkvXi0moORKqTOebL2tRwnR3PtdQwvR3PldRgmznlc8GA4DTOP',
  'scQqAqy6x1+X8+6Ke5yfNxIE9z6/TN1+XCM4inuQ165ZvHz04DF6AOoOYC1AHUXIA6gNpB',
  'z/UWJK/2muTvFn1W6lvASXyNXpdTYJcsxf69th3Y5QjYAiCA485x/tcLgCd1CDMzMzMbum',
  '8+xtkWw6QCvwAAAABJRU5ErkJggg=='].join('');

  const b = document.createElement('button'); // downloadBtn
  const bIcon = document.createElement('div');
  const bParent = document.body.querySelector('div#install-area');
  const bNeighbour = document.body.querySelector('a.install-help-link');
  const installBtn = document.body.querySelector('a.install-link');

  if (!bParent || !bNeighbour || !installBtn) return;

  GM_addStyle([`
    .tm-dsb-downloadBtn {
      width: 43px;
      height: 38px;
      position: relative;
      padding: 0;
      vertical-align: bottom;
      cursor: pointer;
      border: none;
      outline: none;
      background: #0F750F;
      transition: box-shadow 0.2s;
    }

    .tm-dsb-downloadBtn:hover,
    .tm-dsb-downloadBtn:focus {
      box-shadow: 0 8px 16px 0 rgb(0 0 0 / 20%), 0 6px 20px 0 rgb(0 0 0 / 19%);
    }


    .tm-dsb-downloadBtn__icon {
      position: absolute;
    }

    .tm-dsb-downloadBtn__icon--download {
      width: 35px;
      height: 35px;
      top: 1px;
      left: 4px;
      background: url(${downloadIcon});
      background-size: contain;
    }

    .tm-dsb-downloadBtn__icon--loading,
    .tm-dsb-downloadBtn__icon--loading:after {
      border-radius: 50%;
      width: 16px;
      height: 16px;
    }

    .tm-dsb-downloadBtn__icon--loading {
      top: 6px;
      left: 8px;
      border-top: 5px solid rgba(255, 255, 255, 0.2);
      border-right: 5px solid rgba(255, 255, 255, 0.2);
      border-bottom: 5px solid rgba(255, 255, 255, 0.2);
      border-left: 5px solid #ffffff;
      transform: translateZ(0);
      animation: loading 1.1s infinite linear;
    }

    @keyframes loading {
      0% {
        transform: rotate(0deg);
      }
      100% {
        transform: rotate(360deg);
      }
    }
  `][0]);

  b.title = langStrings('Dl');
  b.className = 'tm-dsb-downloadBtn';
  bIcon.className = 'tm-dsb-downloadBtn__icon tm-dsb-downloadBtn__icon--download';
  bNeighbour.style.position = 'relative'; // shadow bugfix
  bParent.insertBefore(b, bNeighbour);
  b.appendChild(bIcon);

  let fetchingDelay = false;

  b.addEventListener('click', () => {
    setTimeout(() => {
      if (b === document.activeElement) b.blur();
    }, 250);

    if (fetchingDelay) return;
    fetchingDelay = true;
    bIcon.className = 'tm-dsb-downloadBtn__icon tm-dsb-downloadBtn__icon--loading';

    fetch(installBtn.href)
      .then(res => res.blob())
      .then(blob => {
        const url = window.URL.createObjectURL(blob);
        const a = document.createElement('a');

        a.href = url;
        a.download = `${installBtn.dataset.scriptName || Date.now()}.user.js`;
        document.body.appendChild(a); // needed due to firefox bug
        a.click();
        a.remove();

        setTimeout(closeFetchUX, 300);
        window.URL.revokeObjectURL(url);
      })
      .catch(e => {
        setTimeout(closeFetchUX, 300);
        alert(`${langStrings('failedDl')}: \n${e}`);
     });
  });


  // utils -------------------------------------------------------------

  function closeFetchUX() {
    fetchingDelay = false;
    bIcon.className = 'tm-dsb-downloadBtn__icon tm-dsb-downloadBtn__icon--download';
  }

  // --------------------------------------------------------------------

})();