Refined GitHub Comments

Remove clutter in the comments view
当前为 2023-04-28 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Refined GitHub Comments
// @license      MIT
// @homepageURL  https://github.com/bluwy/refined-github-comments
// @supportURL   https://github.com/bluwy/refined-github-comments
// @namespace    https://bjornlu.com/projects/refined-github-comments
// @version      0.1.0
// @description  Remove clutter in the comments view
// @author       Bjorn Lu
// @match        https://github.com/**
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant        none
// ==/UserScript==

// common bots that i already know what they do
const authorsToMinimize = [
  'changeset-bot',
  'codeflowapp',
]

// common comments that don't really add value
const commentMatchToMinimize = [
  /^![a-z]/, // commands that start with !
  /^\/[a-z]/, // commands that start with /
  /> [email protected]/, // astro preview release bot 
]

;(function () {
  'use strict'

  run()

  // listen to github page loaded event
  document.addEventListener('pjax:end', () => run())
  document.addEventListener('turbo:render', () => run())
})()

function run() {
  const allTimelineItem = document.querySelectorAll('.js-timeline-item')

  allTimelineItem.forEach((timelineItem) => {
    // things can happen twice in github for some reason
    if (timelineItem.querySelector('.refined-github-comments-toggle')) return
    
    const header = timelineItem.querySelector('.timeline-comment-header')
    if (!header) return

    const headerName = header.querySelector('a.author')
    if (!headerName) return

    const commentBody = timelineItem.querySelector('.comment-body')
    if (!commentBody) return

    const commentBodyText = commentBody.innerText.trim()

    // minimize the comment
    if (
      authorsToMinimize.includes(headerName.innerText) ||
      commentMatchToMinimize.some((match) => match.test(commentBodyText))
    ) {
      const commentContent = timelineItem.querySelector('.edit-comment-hide')
      if (!commentContent) return
      const commentActions = timelineItem.querySelector('.timeline-comment-actions')
      if (!commentActions) return
      const headerH3 = header.querySelector('h3')
      if (!headerH3) return
      const headerDiv = headerH3.querySelector('div')
      if (!headerDiv) return

      // hide comment
      header.style.borderBottom = 'none'
      commentContent.style.display = 'none'

      // add comment excerpt
      const excerpt = document.createElement('span')
      excerpt.setAttribute('class', 'text-fg-muted text-normal text-italic css-truncate css-truncate-overflow mr-2')
      excerpt.innerHTML = commentBodyText.slice(0, 100)
      excerpt.style.opacity = '0.5'
      headerH3.classList.add('css-truncate')
      headerH3.classList.add('css-truncate-overflow')
      headerDiv.appendChild(excerpt)

      // add toggle button
      const toggleBtn = toggleComment((isShow) => {
        if (isShow) {
          header.style.borderBottom = ''
          commentContent.style.display = ''
          excerpt.style.display = 'none'
        } else {
          header.style.borderBottom = 'none'
          commentContent.style.display = 'none'
          excerpt.style.display = ''
        }
      })
      commentActions.prepend(toggleBtn)
    }
  })
}

// create the toggle comment like github does when you hide a comment
function toggleComment(onClick) {
  const btn = document.createElement('button')
  // copied from github hidden comment style
  btn.innerHTML = `
<div class="color-fg-muted f6 no-wrap">
  <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-unfold position-relative mr-1">
  <path d="m8.177.677 2.896 2.896a.25.25 0 0 1-.177.427H8.75v1.25a.75.75 0 0 1-1.5 0V4H5.104a.25.25 0 0 1-.177-.427L7.823.677a.25.25 0 0 1 .354 0ZM7.25 10.75a.75.75 0 0 1 1.5 0V12h2.146a.25.25 0 0 1 .177.427l-2.896 2.896a.25.25 0 0 1-.354 0l-2.896-2.896A.25.25 0 0 1 5.104 12H7.25v-1.25Zm-5-2a.75.75 0 0 0 0-1.5h-.5a.75.75 0 0 0 0 1.5h.5ZM6 8a.75.75 0 0 1-.75.75h-.5a.75.75 0 0 1 0-1.5h.5A.75.75 0 0 1 6 8Zm2.25.75a.75.75 0 0 0 0-1.5h-.5a.75.75 0 0 0 0 1.5h.5ZM12 8a.75.75 0 0 1-.75.75h-.5a.75.75 0 0 1 0-1.5h.5A.75.75 0 0 1 12 8Zm2.25.75a.75.75 0 0 0 0-1.5h-.5a.75.75 0 0 0 0 1.5h.5Z"></path>
  </svg>
  Show comment
</div>
<div class="color-fg-muted f6 no-wrap" style="display: none">
  <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-fold position-relative mr-1">
    <path d="M10.896 2H8.75V.75a.75.75 0 0 0-1.5 0V2H5.104a.25.25 0 0 0-.177.427l2.896 2.896a.25.25 0 0 0 .354 0l2.896-2.896A.25.25 0 0 0 10.896 2ZM8.75 15.25a.75.75 0 0 1-1.5 0V14H5.104a.25.25 0 0 1-.177-.427l2.896-2.896a.25.25 0 0 1 .354 0l2.896 2.896a.25.25 0 0 1-.177.427H8.75v1.25Zm-6.5-6.5a.75.75 0 0 0 0-1.5h-.5a.75.75 0 0 0 0 1.5h.5ZM6 8a.75.75 0 0 1-.75.75h-.5a.75.75 0 0 1 0-1.5h.5A.75.75 0 0 1 6 8Zm2.25.75a.75.75 0 0 0 0-1.5h-.5a.75.75 0 0 0 0 1.5h.5ZM12 8a.75.75 0 0 1-.75.75h-.5a.75.75 0 0 1 0-1.5h.5A.75.75 0 0 1 12 8Zm2.25.75a.75.75 0 0 0 0-1.5h-.5a.75.75 0 0 0 0 1.5h.5Z"></path>
  </svg>
  Hide comment
</div>
`
  const showNode = btn.querySelector('div:nth-child(1)')
  const hideNode = btn.querySelector('div:nth-child(2)')
  let isShow = false
  btn.setAttribute('type', 'button')
  btn.setAttribute('class', 'refined-github-comments-toggle timeline-comment-action btn-link')
  btn.style.marginTop = '2px'
  btn.style.marginRight = '4px'
  btn.addEventListener('click', () => {
    isShow = !isShow
    if (isShow) {
      showNode.style.display = 'none'
      hideNode.style.display = ''
    } else {
      showNode.style.display = ''
      hideNode.style.display = 'none'
    }
    onClick(isShow)
  })
  return btn
}