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Lastest Doc Redirector (python, django, ruby)

Redirect the version you googled to the latest doc versions.

  1. // ==UserScript==
  2. // @name         Lastest Doc Redirector (python, django, ruby)
  3. // @name:vi      Chuyển trang tài liệu mới nhất (python, django, ruby)
  4. // @namespace    https://github.com/hotmit/latest-doc-redirector-userscript
  5. // @version      1.0.1
  6. // @description  Redirect the version you googled to the latest doc versions.
  7. // @description:vi   Chuyển những trang bạn tìm được qua trang tài liệu với phiên bản mới nhất (python, django, ruby)
  8. // @author       Du Dang
  9. // @include https://docs.djangoproject.com/*
  10. // @include https://docs.python.org/2/*
  11. // @include https://ruby-doc.org/core-*
  12. // @grant GM_getValue
  13. // @grant GM_setValue
  14. // @license      MIT
  15. // ==/UserScript==
  16. (function() {
  17.     'use strict';
  18.  
  19.     // Change desired version number
  20.     var PYTHON_TARGET_VERSION = '3.6';
  21.     var DJANGO_TARGET_VERSION = '1.11';
  22.     var RUBY_TARGET_VERSION = '2.4.1';
  23.  
  24.     // region [ Str Lib ]
  25.     var Str = {};
  26.  
  27.     Str.contains = function(s, needle, caseSensitive) {
  28.         if (caseSensitive){
  29.             return s.indexOf(needle) > -1;
  30.         }
  31.         return s.toLowerCase().indexOf(needle.toLowerCase()) > -1;
  32.     };
  33.     // endregion
  34.  
  35.     var href = window.location.href;
  36.  
  37.     function forward(url){
  38.         var lastFwd = GM_getValue('LastUrlFwd', '');
  39.         // do this to allow browser to go back to old version
  40.         // 		without loop redirect
  41.         if (lastFwd != url){
  42.             GM_setValue('LastUrlFwd', url);
  43.             window.location.href = url;
  44.         }
  45.     }
  46.  
  47.     if (Str.contains(href, 'docs.djangoproject.com') &&
  48.         !Str.contains(href, '/en/' + DJANGO_TARGET_VERSION + '/'))
  49.     {
  50.         // https://docs.djangoproject.com/en/1.5/topics/db/optimization/
  51.         // INTO https://docs.djangoproject.com/en/1.7/topics/db/optimization/
  52.         href = href.replace(/docs.djangoproject.com\/(\w{2})\/(\d+\.\d+|dev)/gi,
  53.                             'docs.djangoproject.com/en/' + DJANGO_TARGET_VERSION);
  54.         forward(href);
  55.     }
  56.  
  57.     else if (Str.contains(href, 'docs.python.org') &&
  58.              !Str.contains(href, '/' + PYTHON_TARGET_VERSION + '/'))
  59.     {
  60.         // https://docs.python.org/2/library/datetime.html
  61.         // INTO https://docs.python.org/3/library/datetime.html
  62.         href = href.replace(/docs.python.org\/2\/library/gi,
  63.                             'docs.python.org/' + PYTHON_TARGET_VERSION + '/library');
  64.         forward(href);
  65.     }
  66.  
  67.     else if (Str.contains(href, 'ruby-doc.org/core-') &&
  68.              !Str.contains(href, '/core-' + RUBY_TARGET_VERSION + '/'))
  69.     {
  70.         // https://ruby-doc.org/core-2.2.0/String.html
  71.         // INTO https://ruby-doc.org/core-2.3.1/String.html
  72.         href = href.replace(/core-[^\/]+/gi, 'core-' + RUBY_TARGET_VERSION);
  73.         forward(href);
  74.     }
  75. })();