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B站URL清理（掩耳盗铃）

清理B站 URL 中多余的内容——这种清理只是将 URL 中多余的部分简单隐藏起来，不会过分阻止其完成自身的使命

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คุณอาจชื่นชอบ B站稍后再看功能增强

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  1. // ==UserScript==
  2. // @name            B站URL清理（掩耳盗铃）
  3. // @version         1.1.1.20230314
  4. // @namespace       laster2800
  5. // @author          Laster2800
  6. // @description     清理B站 URL 中多余的内容——这种清理只是将 URL 中多余的部分简单隐藏起来，不会过分阻止其完成自身的使命
  7. // @note            提供真实清理的脚本有很多，但本人认为不能以最坏的恶意来推测每一种设计（尽管 vd_source 确实已经被证实是会暴露分享者信息的邪恶设计），只不过在 URL 上添加各种奇奇怪怪的内容实在是太难看了，让 URL 在显示上更简洁才是该脚本的本意。
  8. // @icon            https://www.bilibili.com/favicon.ico
  9. // @homepageURL     https://greasyfork.org/zh-CN/scripts/447604
  10. // @supportURL      https://greasyfork.org/zh-CN/scripts/447604/feedback
  11. // @license         LGPL-3.0
  12. // @noframes
  13. // @include         *://*.bilibili.com/*
  14. // @grant           none
  15. // @run-at          document-start
  16. // ==/UserScript==
  17.  
  18. (function() {
  19.   'use strict'
  20.  
  21.   let busy = false
  22.   const rm = ['vd_source', 'spm_id_from']
  23.   initUrlchangeEvent()
  24.  
  25.   clean()
  26.   window.addEventListener('urlchange', clean)
  27.  
  28.   function clean() {
  29.     if (busy) return
  30.     busy = true
  31.     let r = false
  32.     const url = new URL(location.href)
  33.     for (const k of rm) {
  34.       r |= tryClean(url, k) // |= 不会短路
  35.     }
  36.     r && history.replaceState({}, null, url.href)
  37.     busy = false
  38.   }
  39.  
  40.   function tryClean(url, k) {
  41.     const m = new RegExp(`^\\?((.*)&)?((?<=[?&])${k}(=[^&]*)?)(&(.+))?$`).exec(url.search)
  42.     if (!m) return false
  43.     let a = m[2] ?? ''
  44.     const b = m[6] ?? ''
  45.     if (a && b) {
  46.       a += `&${b}`
  47.     } else if (a || b) {
  48.       a += b
  49.     }
  50.     url.search = a ? `?${a}` : ''
  51.     return true
  52.   }
  53.  
  54.   /**
  55.    * @see UserscriptAPI.base.initUrlchangeEvent
  56.    */
  57.   function initUrlchangeEvent() {
  58.     if (window[Symbol.for('onurlchange')] === undefined) {
  59.       let url = new URL(location.href)
  60.       const dispatchEvent = () => {
  61.         const event = new CustomEvent('urlchange', {
  62.           detail: { prev: url, curr: new URL(location.href) },
  63.           bubbles: true,
  64.         })
  65.         url = event.detail.curr
  66.         if (typeof window.onurlchange === 'function') {
  67.           window.addEventListener('urlchange', window.onurlchange, { once: true })
  68.         }
  69.         document.dispatchEvent(event)
  70.       }
  71.  
  72.       history.pushState = (f => (...args) => {
  73.         const ret = Reflect.apply(f, history, args)
  74.         dispatchEvent()
  75.         return ret
  76.       })(history.pushState)
  77.       history.replaceState = (f => (...args) => {
  78.         const ret = Reflect.apply(f, history, args)
  79.         dispatchEvent()
  80.         return ret
  81.       })(history.replaceState)
  82.       window.addEventListener('popstate', () => {
  83.         dispatchEvent()
  84.       })
  85.       window[Symbol.for('onurlchange')] = true
  86.     }
  87.   }
  88. })()
  89.