为你的Butterfly添加顶部加载进度条

Dome

进度条为胶囊💊样式

4.5.0 版本

4.5.0 版本主题已内置 pace.js 无需再次引入，在 hexo-theme-butterfly文件中配置以下内容即可

preloader:
  enable: true
  # source
  # 1. fullpage-loading
  # 2. pace (progress bar)
  source: 2
  # pace theme (see https://codebyzach.github.io/pace/)
  pace_css_url: https://fastly.jsdelivr.net/gh/xlenco/JS-X@main/pace.js/pace.css

如果你同时在使用 Heo同款loading动画，请查看
Heo同款loading动

4.5.0 版本以下

引入 css

.pace {
  pointer-events: none;
  user-select: none;
  z-index: 2;
  position: fixed;
  margin: auto;
  top: 4px;
  left: 0;
  right: 0;
  height: 8px;
  border-radius: 8px;
  width: 6rem;
  background: #eaecf2;
  overflow: hidden;
}

.pace-inactive .pace-progress {
  opacity: 0;
  transition: 0.3s ease-in;
}

.pace.pace-inactive {
  opacity: 0;
  transition: 0.3s;
  top: -8px;
}

.pace .pace-progress {
  box-sizing: border-box;
  transform: translate3d(0, 0, 0);
  position: fixed;
  z-index: 2;
  display: block;
  position: absolute;
  top: 0;
  right: 100%;
  height: 100%;
  width: 100%;
  background: #49b1f5;
  background: linear-gradient(
    to right,
    rgb(18, 194, 233),
    rgb(196, 113, 237),
    rgb(246, 79, 89)
  );
  animation: gradient 2s ease infinite;
  background-size: 200%;
}

引入 JS

<script src="//cdn.bootcss.com/pace/1.0.2/pace.min.js"></script>

然后三连即可