cssnano/cssnano

pack same CSS media query rules into one media query rule

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#111 建立於 2016年1月27日

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 (34 留言) (19 反應) (0 負責人)CSS (4,909 star) (324 fork)batch import
enhancementhelp wanted

描述

.foo {
  width: 10px;
}

@media (min-width: 640px) {
  .foo {
    width: 150px;
  }
}

.bar {
  width: 20px;
}

@media (min-width: 320px) {
  .bar {
    width: 200px;
  }
}

@media (min-width: 640px) {
  .bar {
    width: 300px;
  }
}

Output:

.foo{width:10px}@media (min-width:640px){.foo{width:150px}}.bar{width:20px}@media (min-width:320px){.bar{width:200px}}@media (min-width:640px){.bar{width:300px}}

But we can merge @media (min-width:640px). https://github.com/hail2u/node-css-mqpacker he knows how to do it. Maybe add it to the kernel, or to implement the same behavior in one of the plugins. Also pay attention to the option sort.

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技術棧
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領域
performancebuild systemtooling
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
1-2 days
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
CSS media queriesPostCSS plugin developmentNode.js basics
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
35
研究方向
The issue requests merging identical media query rules into one. Review the 34 comments for prior attempts and discussions. Look at the referenced library css mqpacker (https://github.com/hail2u/node css mqpacker) to understand its approach. Implementation may involve modifying the existing CSS minification logic in the core or creating a separate plugin. The source files for CSS processing are likely in the src directory (e.g., src/cssnano.js or src/plugins). Consider how to handle the 'sort' option mentioned in the issue.