GreasyFork: download script button

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

Stan na 30-11-2021. Zobacz najnowsza wersja.

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Greasemonkey lub Violentmonkey.

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

Aby zainstalować ten skrypt, wymagana jest instalacje jednego z następujących rozszerzeń: Tampermonkey, Violentmonkey.

Aby zainstalować ten skrypt, wymagana będzie instalacja rozszerzenia Tampermonkey lub Userscripts.

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

Aby zainstalować ten skrypt, musisz zainstalować rozszerzenie menedżera skryptów użytkownika.

(Mam już menedżera skryptów użytkownika, pozwól mi to zainstalować!)

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.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Będziesz musiał zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

Musisz zainstalować rozszerzenie menedżera stylów użytkownika, aby zainstalować ten styl.

(Mam już menedżera stylów użytkownika, pozwól mi to zainstalować!)

// ==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
// @namespace    https://greasyfork.org/users/424058
// @version      1.1.1
// @author       Konf
// @match        https://greasyfork.org
// @include      /^http(s|):\/\/greasyfork.org\/[a-zA-Z_-]*\/scripts\/\d.*$/
// @run-at       document-end
// @resource     iconDownload https://img.icons8.com/pastel-glyph/64/ffffff/download.png
// @compatible   Chrome
// @compatible   Opera
// @compatible   Firefox
// @grant        GM_getResourceUrl
// @grant        GM.getResourceUrl
// @noframes
// ==/UserScript==

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

(function() {
  'use strict';

  const userLang = location.pathname.split('/')[1];
  const langStringsList = {
    'en': {
      Dl: 'Download without installing',
      unableDl: 'Unable to download the script'
    },
    'zh-CN': {
      Dl: '下载此脚本',
      unableDl: '无法下载此脚本'
    },
    'ru': {
      Dl: 'Скачать не устанавливая',
      unableDl: 'Не удалось скачать скрипт'
    }
  };
  const langStrings = langStringsList[userLang] || langStringsList.en;

  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;

  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;

  (GM.getResourceUrl || GM_getResourceUrl)('iconDownload')
  .then(downloadIconUrl => {
    addCSS(`
      .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(${downloadIconUrl});
        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;
        text-indent: -9999em;
        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;
        -webkit-transform: translateZ(0);
        -ms-transform: translateZ(0);
        transform: translateZ(0);
        -webkit-animation: loading 1.1s infinite linear;
        animation: loading 1.1s infinite linear;
      }

      @-webkit-keyframes loading {
        0% {
          -webkit-transform: rotate(0deg);
          transform: rotate(0deg);
        }
        100% {
          -webkit-transform: rotate(360deg);
          transform: rotate(360deg);
        }
      }

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

  b.addEventListener('click', () => {
    setTimeout(() => {
      if (b === document.activeElement) document.activeElement.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}.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(`${langStrings.unableDl}: \n${e}`);
     });
  });


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

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

  function addCSS(cssCode) {
    const styleEl = document.createElement("style");
    styleEl.type = "text/css";

    if (styleEl.styleSheet) {
      styleEl.styleSheet.cssText = cssCode;
    } else {
      styleEl.appendChild(document.createTextNode(cssCode));
    }

    document.getElementsByTagName("head")[0].appendChild(styleEl);

    return styleEl;
  }

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

})();