笔趣阁优化 for iOS

2023/2/4 14:26:46
目前為 2023-02-05 提交的版本，檢視最新版本。
安裝腳本 ?
換行
// ==UserScript==
// @name        笔趣阁优化 for iOS
// @namespace   Violentmonkey Scripts
// @match       https://lingjingxingzhe.com/*.html
// @match       https://m.xxbiqudu.com/*.html
// @grant       GM.addStyle
// @grant       GM.setValue
// @grant       GM.getValue
// @grant       GM.deleteValue
// @version     0.0.1
// @author      LinHQ
// @license     GPLv3
// @description 2023/2/4 14:26:46
// ==/UserScript==

(async () => {

  const version = '0.0.1'
  document.head.insertAdjacentHTML('beforeend', '<meta name="theme-color" content="black">')

  const typo = {
    fontSize: 20,
    lineHeight: 1.5
  }

  let sites = [
    {
      host: 'lingjingxingzhe.com',
      title: 'h1.title',
      content: '#content',
      segment: 'div.read_tip', // 控制拼页的元素，不能隐藏
      filters: ['.header', '.nav'],
      banRegex: []
    },
    {
      host: 'm.xxbiqudu.com',
      title: '.title',
      content: 'div.text',
      segment: 'div.navigator-nobutton', // 控制拼页的元素，不能隐藏
      filters: ['.navigator-no', '.title+script+div', '.google-auto-placed'],
      banRegex: [/请记住.+网址/g]
    }
  ]
    , basicStyle = `
  body {
    padding-top: 0!important;
  }
  body * {
    background: black!important;
  }
  img {
    display: none!important;
  }
  `
    , state = null

  /** 
   * 注入基本样式并加载配置
   *
   * @return
   */
  async function boot() {
    const currentSite = sites.find(site => document.URL.includes(site.host))
    basicStyle += `
    ${currentSite.filters.join(',')} {display: none!important}
    ${currentSite.content} {background: black; color: #d3d3d3;}
    `
    GM.addStyle(basicStyle)

    const defaultState = {
      version: version,
      previous: '',
      next: '',
      current: document.URL
    }

    state = await GM.getValue(currentSite.host, defaultState)

    // 上次状态还原
    if (state.current !== document.URL) {
      if (confirm("是否还原上次阅读状态？")) {
        await GM.deleteValue(currentSite.host)
        window.open(state.current, "_self")
      } else {
        // 重新加载状态
        Object.assign(state, defaultState)
      }
    }

    // 重新获取状态
    const links = Array.from(document.querySelectorAll('a'))
    for (const link of links) {
      // 仅查找一次
      if (state.next && state.previous) break
      if (link.textContent.includes('上一')) {
        state.previous = link.href
      } else if (link.textContent.includes('下一')) {
        state.next = link.href
      }
    }

    GM.setValue(currentSite.host, state)

    return currentSite
  }

  function sleep(time) {
    return new Promise(res => {
      setTimeout(res, time)
    })
  }

  const site = await boot()

  const txt = document.querySelector(site.content)
    , segment = document.querySelector(site.segment)
  if (!segment) {
    return console.error('无法寻找到 segment，请重新配置脚本。')
  }
  const observer = new IntersectionObserver(async entries => {
    if (entries[0].isIntersecting) {
      observer.unobserve(segment)

      // 下面开始执行无限加载
      try {
        const newPage = await fetch(state.next).then(resp => resp.arrayBuffer()),
          decoder = new TextDecoder(document.characterSet)

        const newDoc = new DOMParser().parseFromString(decoder.decode(newPage), 'text/html')

        txt.insertAdjacentHTML("beforeend", "<br><hr style='border: unset;border-top: 1px solid gray; margin: ${states.lineHeight}px 0'>")

        txt.insertAdjacentHTML("beforeend", `<h3 style='width: 100%; text-align: center; color: gray;'>${newDoc.querySelector(site.title).textContent}</h3>`)

        let newText = newDoc.querySelector(site.content).innerHTML
        site.banRegex.forEach(reg => newText = newText.replaceAll(reg, ''))
        txt.insertAdjacentHTML('beforeend', newText)

        // 更新状态
        state.previous = state.current
        state.current = state.next
        state.next = Array.from(newDoc.querySelectorAll('a')).findLast(a => a.textContent.includes('下一')).href ?? ''
        GM.setValue(site.host, state)
      } catch (e) {
        console.error(e)
      } finally {
        observer.observe(segment)
      }
    }
  }, {
    // 进入可见区域之前进行检测
    rootMargin: window.innerHeight / 3 + 'px'
  })
  observer.observe(segment)

  txt.style.fontSize = `${typo.fontSize}px`
  txt.style.lineHeight = typo.lineHeight + ''
  const viewHeight = window.innerHeight,
    viewWidth = window.innerWidth
  txt.addEventListener('click', event => {
    /*
     * 先判断上下翻页
     * 再判断左右跳章
     */
    if (event.clientY <= viewHeight / 3) {
      window.scrollBy(0, -1 * viewHeight - typo.fontSize * 2)
    } else if (event.clientY >= viewHeight * 3 / 4) {
      window.scrollBy(0, viewHeight - typo.fontSize * 2)
    } else {
      const {previous, next, current} = state
      if (event.clientX < viewWidth / 3) {
        GM.deleteValue(site.host).then(() => window.open(previous, '_self'))
      } else if (event.clientX > viewWidth * 3 / 4) {
        GM.deleteValue(site.host).then(() => window.open(next, '_self'))
      } else {
        if (confirm('是否确认重载？')) {
          GM.deleteValue(site.host).then(() => window.open(current, '_self'))
        }
      }
    }
  })
})()
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