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MSPA link fixerer

Replaces MSPA indexed links to Homestuck with links to Homestuck.com.

  1. /* jshint esversion: 6 */
  2. // ==UserScript==
  3. // @name         MSPA link fixerer
  4. // @version      1
  5. // @description  Replaces MSPA indexed links to Homestuck with links to Homestuck.com.
  6. // @author       EtchJetty
  7. // @license MIT
  8. // @match        http://*/*
  9. // @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
  10. // @grant        none
  11. // @namespace https://greasyfork.org/users/909980
  12. // ==/UserScript==
  13.  
  14. (function () {
  15.   "use strict";
  16.  
  17.   replaceLinks();
  18.  
  19.   // story6: 1900 (hs)
  20.   // story5: 1892 (hs-beta)
  21.   // story4: 218 (ps)
  22.   // story3: n/a (midnight crew)
  23.   // story2: 135 (bardquest)
  24.   // story1: 1 (jb)
  25.  
  26.   function replaceLinks() {
  27.     Array.from(document.getElementsByTagName("a")).forEach(function (a) {
  28.       //  console.log(a.href);
  29.       const regex = /(?:http.*mspaintadventures\.com\/.*|\?)s=\d.*p=(\d{1,6})/gm;
  30.       const baseurl = `https://www.homestuck.com/`;
  31.       const hssubst = baseurl + `story`;
  32.       const hsbetasubst = baseurl + `beta`;
  33.       const pssubst = baseurl + `problem-sleuth`;
  34.       // const mcsubst = baseurl + `404`;
  35.       const bqsubst = baseurl + `bard-quest`;
  36.       const jbsubst = baseurl + `jailbreak`;
  37.  
  38.       // The substituted value will be contained in the result variable
  39.  
  40.       let m;
  41.  
  42.       const hrefex = a.href.toString().slice(a.href.toString().length - 4);
  43.       if (hrefex.slice(0, -1) == "?s=") {
  44.         //if this is just a story link, no page
  45.         switch (parseInt(hrefex[hrefex.length - 1])) {
  46.           case 6:
  47.             a.href = hssubst;
  48.             break;
  49.           case 5:
  50.             a.href = hsbetasubst;
  51.             break;
  52.           case 4:
  53.             a.href = pssubst;
  54.             break;
  55.           case 3:
  56.             a.href = "http://www.mspaintadventures.com/test_index.php?s=3"; // mc doesn't exist on homestuck.com as far as i know
  57.             break;
  58.           case 2:
  59.             a.href = bqsubst;
  60.             break;
  61.           case 1:
  62.             a.href = jbsubst;
  63.             break;
  64.         }
  65.       } else {
  66.         while ((m = regex.exec(a.href.toString())) !== null) {
  67.           // This is necessary to avoid infinite loops with zero-width matches
  68.           if (m.index === regex.lastIndex) {
  69.             regex.lastIndex++;
  70.           }
  71.  
  72.           var match = parseInt(m[1]); // get just the matched value
  73.           switch (true) {
  74.             case match > 1900:
  75.               match = match - 1900;
  76.               a.href = hssubst + "/" + match;
  77.               break;
  78.  
  79.             case 1892 < match && match < 1900:
  80.               match = match - 1892;
  81.               a.href = hsbetasubst + "/" + match;
  82.               break;
  83.  
  84.             case 218 < match && match < 1892:
  85.               match = match - 218;
  86.               a.href = pssubst + "/" + match;
  87.               break;
  88.  
  89.             case 135 < match && match < 218:
  90.               match = match - 135;
  91.               a.href = bqsubst + "/" + match;
  92.               break;
  93.  
  94.             case 1 < match && match < 135:
  95.               match = match - 1;
  96.               a.href = jbsubst + "/" + match;
  97.               break;
  98.           }
  99.         }
  100.       }
  101.     });
  102.   }
  103. })();