gsap实现左侧弹出式多级菜单栏效果代码-html代码-BFW代码库

代码语言：html

代码描述：gsap实现左侧弹出式多级菜单栏效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  

<link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Gloria+Hallelujah&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap" rel="stylesheet">
  
  
  
<style>
@import url('https://unpkg.com/normalize.css') layer(normalize);

@layer normalize, base, demo, tree, layout, transitions, mobile, scroller-mask, debug;

@layer {
  [data-show="true"] .safety-triangle {
    opacity: 1;
  }
  [data-triangle="false"] .safety-triangle {
    pointer-events: none;
    background: repeating-linear-gradient(45deg, #0000 0 4px, var(--tree-focus-color) 4px 5px);
    opacity: 0.5;
  }
  [data-show="false"] .safety-triangle {
    opacity: 0;
  }
}

@layer scroller-mask {
  @supports(animation-timeline: scroll()) {

    sidebar-tree .tree-group-container + .tree-group-container {
      --size: 4;
      -webkit-mask-image: linear-gradient(#fff,  #0000),
      linear-gradient(#fff 0 100%), linear-gradient(#0000, #fff);
              mask-image: linear-gradient(#fff,  #0000),
      linear-gradient(#fff 0 100%), linear-gradient(#0000, #fff);
      -webkit-mask-size: 100% calc(var(--size) * 1ch), 100% 100%,
      100% calc(var(--size) * 1ch);
              mask-size: 100% calc(var(--size) * 1ch), 100% 100%,
      100% calc(var(--size) * 1ch);
      -webkit-mask-repeat: no-repeat;
              mask-repeat: no-repeat;
      -webkit-mask-composite: xor;
              mask-composite: exclude;
      -webkit-animation-timing-function: linear;
              animation-timing-function: linear;
      animation-timeline: scroll(self);
      animation-range: 0 calc(var(--size) * 1ch),
      calc(100% - (var(--size) * 1ch)) 100%;
      -webkit-mask-position: 0 0, 0 0, 0 100%;
              mask-position: 0 0, 0 0, 0 100%;
      -webkit-mask-size: 100% 0, 100% 100%, 100% calc(var(--size) * 1ch);
              mask-size: 100% 0, 100% 100%, 100% calc(var(--size) * 1ch);
      -webkit-animation-name: size-up, size-down;
              animation-name: size-up, size-down;
      -webkit-animation-fill-mode: both;
              animation-fill-mode: both;
    }
  }
  @-webkit-keyframes size-up {
    to {
      -webkit-mask-size: 100% calc(var(--size) * 1ch), 100% 100%,
        100% calc(var(--size) * 1ch);
              mask-size: 100% calc(var(--size) * 1ch), 100% 100%,
        100% calc(var(--size) * 1ch);
    }
  }
  @keyframes size-up {
    to {
      -webkit-mask-size: 100% calc(var(--size) * 1ch), 100% 100%,
        100% calc(var(--size) * 1ch);
              mask-size: 100% calc(var(--size) * 1ch), 100% 100%,
        100% calc(var(--size) * 1ch);
    }
  }
  @-webkit-keyframes size-down {
    to {
      -webkit-mask-size: 100% calc(var(--size) * 1ch), 100% 100%, 100% 0;
              mask-size: 100% calc(var(--size) * 1ch), 100% 100%, 100% 0;
    }
  }
  @keyframes size-down {
    to {
      -webkit-mask-size: 100% calc(var(--size) * 1ch), 100% 100%, 100% 0;
              mask-size: 100% calc(var(--size) * 1ch), 100% 100%, 100% 0;
    }
  }
}

@layer mobile {
  .mobile-items {
    align-items: center;
    display: none;
  }
  .menu-button {
    width: 40px;
    aspect-ratio: 1;
    background: #0000;
    border: 0;
    display: grid;
    place-items: center;
    padding: 0;
    position: relative;
    border-radius: 6px;
    cursor: pointer;

    &:is(:hover, :focus-visible)::after {
      opacity: 1;
    }

    &::after {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      opacity: 0;
      background: light-dark(hsl(0 0% 30% / 0.1), hsl(0 0% 90% / .15));
    }
  }
  aside footer .user {
    display: none;
  }
  aside header .button-link {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    color: canvasText;

    svg {
      translate: -2px 0;
    }
  }
  .closer {
    width: 40px;
    aspect-ratio: 1;
    position: absolute;
    z-index: 2;
    top: 0;
    right: 0;
    background: #0000;
    border: 0;
    cursor: pointer;
    display: grid;
    display: none;
    place-items: center;
    padding: 0;
    border-radius: 6px;

    &:is(:hover, :focus-visible)::after {
      opacity: 1;
    }

    &::after {
      content: '';
      position: absolute;
      inset: 6px;
      border-radius: inherit;
      opacity: 0;
      background: light-dark(hsl(0 0% 30% / 0.1), hsl(0 0% 90% / .15));
    }

    svg {
      rotate: 45deg;
      width: 22px;
      border-radius: 6px;
      background: #0000;
    }
  }
  @media(max-width: 768px) {
    aside footer .user {
      display: flex;
    }
    aside header .button-link,
    .closer {
      display: grid;
    }
    aside footer {
      padding: .5rem;
    }
    aside header {
      padding: .5rem;
      padding-top: 44px;
    }
    sidebar-tree [role="treeitem"] {
      padding-right: .5rem;
    }
    kbd {
      display: none;
    }
    header .user,
    .user-slash {
      display: none;
    }
    .toggle {
      display: none;
    }
    .mobile-items {
      display: flex;
    }
    aside {
      position: fixed;
      background: light-dark(#fff, #000);
      translate: -100% 0;
      height: 100vh;
      top: 0;
      border-radius: 0;
      display: none;
      transition-property: display, overlay, translate;
      transition-duration: var(--speed);
      transition-timing-function: var(--timing);
      transition-behavior: allow-discrete;

      &::after {
        inset: -2px;
      }

      &::before,
      &::after {
        opacity: 1;
        filter: blur(0);
        border-radius: 0;
        border-top: 0;
        border-bottom: 0;
      }

      &:popover-open {
        display: grid;
        translate: 0 0;
      }

      &::-webkit-backdrop {
        background: light-dark(hsl(0 0% 0% / 0.6), hsl(0 0% 10% / 0.8));
        opacity: 0;
        transition-behavior: allow-discrete;
        -webkit-transition-property: display, overlay, opacity;
        transition-property: display, overlay, opacity;
        transition-timing-function: var(--timing);
        transition-duration: var(--speed);
      }

      &::backdrop {
        background: light-dark(hsl(0 0% 0% / 0.6), hsl(0 0% 10% / 0.8));
        opacity: 0;
        transition-behavior: allow-discrete;
        transition-property: display, overlay, opacity;
        transition-timing-function: var(--timing);
        transition-duration: var(--speed);
      }

      &:popover-open::-webkit-backdrop {
        opacity: 1;
      }

      &:popover-open::backdrop {
        opacity: 1;
      }
    }
    @starting-style {
      aside:popover-open {
        translate: -100% 0;
      }
      aside:popover-open::-webkit-backdrop {
        opacity: 0;
      }
      aside:popover-open::backdrop {
        opacity: 0;
      }
    }
  }
}

@layer transitions {
  /* layout transitions */
  .layout {
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