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Rllmukzen Threadshitter

Really ignore ignored users

目前为 2019-07-28 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name        Rllmukzen Threadshitter
  3. // @description Really ignore ignored users
  4. // @namespace   https://github.com/insin/greasemonkey/
  5. // @version     5
  6. // @match       https://www.rllmukforum.com/index.php*
  7. // ==/UserScript==
  8.  
  9. function addStyle(css) {
  10.   let $style = document.createElement('style')
  11.   $style.appendChild(document.createTextNode(css))
  12.   document.querySelector('head').appendChild($style)
  13. }
  14.  
  15. function TopicPage() {
  16.   let ignoredUserIds = JSON.parse(localStorage.ignoredUserIds || '[]')
  17.  
  18.   // Hide "You've chosen to ignore content by <ignored user>"
  19.   addStyle(`
  20.     .ipsComment_ignored {
  21.       display: none;
  22.     }
  23.   `)
  24.  
  25.   // Hide posts containing elements which have an ignored user id as a specified
  26.   // data attribute.
  27.   function hidePostsByDataAttribute(elements, dataAttribute) {
  28.     elements.forEach(el => {
  29.       if (!ignoredUserIds.includes(el.dataset[dataAttribute])) return
  30.       let post = el.closest('article.ipsComment')
  31.       if (post.style.display == 'none') return
  32.       post.style.display = 'none'
  33.     })
  34.   }
  35.  
  36.   // Hide posts which quote ignored users
  37.   function processQuotes(context) {
  38.     hidePostsByDataAttribute(
  39.       context.querySelectorAll('[data-ipsquote-userid]'),
  40.       'ipsquoteUserid'
  41.     )
  42.   }
  43.  
  44.   // Hide posts which @-mention ignored users
  45.   function processMentions(context) {
  46.     hidePostsByDataAttribute(
  47.       context.querySelectorAll('[data-mentionid]'),
  48.       'mentionid'
  49.     )
  50.   }
  51.  
  52.   // Hide the unread comment separator if all subseqent posts are hidden
  53.   function updateUnreadCommentSeparator() {
  54.     let separator = document.querySelector('hr.ipsCommentUnreadSeperator')
  55.     if (!separator) return
  56.     let hasVisiblePost = false
  57.     let sibling = separator.nextElementSibling
  58.     while (sibling) {
  59.       if (sibling.matches('article.ipsComment') &&
  60.           !sibling.classList.contains('ipsHide') &&
  61.           sibling.style.display != 'none') {
  62.         hasVisiblePost = true
  63.         break
  64.       }
  65.       sibling = sibling.nextElementSibling
  66.     }
  67.     separator.style.display = hasVisiblePost ? '' : 'none'
  68.   }
  69.  
  70.   // Process all posts on the current page
  71.   function processPosts(context = document) {
  72.     processQuotes(context)
  73.     processMentions(context)
  74.   }
  75.  
  76.   // Process initial posts
  77.   processPosts()
  78.   updateUnreadCommentSeparator()
  79.  
  80.   // Watch for posts being replaced when paging
  81.   new MutationObserver(mutations =>
  82.     mutations.forEach(mutation => {
  83.       if (mutation.oldValue == 'true') {
  84.         processPosts()
  85.         updateUnreadCommentSeparator()
  86.       }
  87.     })
  88.   ).observe(document.querySelector('div.cTopic'), {
  89.     attributes: true,
  90.     attributeFilter: ['animating'],
  91.     attributeOldValue: true,
  92.   })
  93.  
  94.   // Watch for new posts being loaded into the current page
  95.   new MutationObserver(mutations => {
  96.     mutations.forEach(mutation =>
  97.       mutation.addedNodes.forEach(processPosts)
  98.     )
  99.     updateUnreadCommentSeparator()
  100.   }).observe(document.querySelector('#elPostFeed > form'), {
  101.     childList: true,
  102.   })
  103. }
  104.  
  105. function IgnoredUsersPage() {
  106.   // Sync ignored user ids
  107.   localStorage.ignoredUserIds = JSON.stringify(
  108.     Array.from(document.querySelectorAll('[data-ignoreuserid]')).map(el =>
  109.       el.dataset.ignoreuserid
  110.     )
  111.   )
  112. }
  113.  
  114. let page
  115. if (location.href.includes('index.php?/topic/')) {
  116.   page = TopicPage
  117. } else if (location.href.includes('index.php?/ignore/')) {
  118.   page = IgnoredUsersPage
  119. }
  120.  
  121. if (page) {
  122.   page()
  123. }