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Danbooru tags buttons

Return +/- buttons to Danbooru

  1. // ==UserScript==
  2. // @name         Danbooru tags buttons
  3. // @namespace    danbooru
  4. // @version      0.2
  5. // @description  Return +/- buttons to Danbooru
  6. // @author       Jallot
  7. // @include      http*://*danbooru.donmai.us/posts*
  8. // @grant        none
  9. // @license MIT
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.     'use strict';
  14.     let currentTags = document.getElementById("tags").value.split(" ").filter(String);
  15.  
  16.     function addTagToSearch(tag, negative=false){
  17.         var newTags = [...currentTags]
  18.         if (negative){
  19.             tag = "-" + tag;
  20.         }
  21.         newTags.push(tag);
  22.         return newTags.join("+");
  23.     };
  24.  
  25.  
  26.     const tagList = document.querySelectorAll('ul li[class*="tag-type-"]');
  27.     for (const tag of tagList) {
  28.         const tagLinks = tag.querySelectorAll("a");
  29.         const tagNameNode = tagLinks[1];
  30.         const tagUrl = new URLSearchParams(tagNameNode.href.split('?')[1]);
  31.         const tagName = tagUrl.get("tags");
  32.         var plusLink = document.createElement('a');
  33.         plusLink.href = '/posts?tags=' + addTagToSearch(tagName);
  34.         plusLink.textContent = '+';
  35.         var minusLink = document.createElement('a');
  36.         minusLink.href = '/posts?tags=' + addTagToSearch(tagName, true);
  37.         minusLink.textContent = '-';
  38.         tagNameNode.parentNode.insertBefore(plusLink, tagNameNode);
  39.         tagNameNode.parentNode.insertBefore(document.createTextNode(" "), tagNameNode);
  40.         tagNameNode.parentNode.insertBefore(minusLink, tagNameNode);
  41.         tagNameNode.parentNode.insertBefore(document.createTextNode(" "), tagNameNode);
  42.     };
  43. })();