<script lang="ts">

export let isOpen = false;
export let isHidden = false;

function handleClick() {
  isOpen = !isOpen;
}
</script>

<button
  class="menu"
  class:hidden={isHidden}
  class:opened={isOpen}
  on:click={handleClick}
  aria-label="Main Menu"
  aria-expanded={isOpen}
  aria-hidden={isHidden}
>
  <svg width="32" height="32" viewBox="0 0 100 100">
    <path class="line line1" d="M 20,29.000046 H 80.000231 C 80.000231,29.000046 94.498839,28.817352 94.532987,66.711331 94.543142,77.980673 90.966081,81.670246 85.259173,81.668997 79.552261,81.667751 75.000211,74.999942 75.000211,74.999942 L 25.000021,25.000058" />
    <path class="line line2" d="M 20,50 H 80" />
    <path class="line line3" d="M 20,70.999954 H 80.000231 C 80.000231,70.999954 94.498839,71.182648 94.532987,33.288669 94.543142,22.019327 90.966081,18.329754 85.259173,18.331003 79.552261,18.332249 75.000211,25.000058 75.000211,25.000058 L 25.000021,74.999942" />
  </svg>
</button>

<style>
  .menu {
    background-color: transparent;
    border: none;
    cursor: pointer;
  }
  .line {
    fill: none;
    stroke: white;
    stroke-width: 6;
    transition: stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1),
      stroke-dashoffset 600ms cubic-bezier(0.4, 0, 0.2, 1);
  }
  .line1 {
    stroke-dasharray: 60 207;
    stroke-width: 6;
  }
  .line2 {
    stroke-dasharray: 60 60;
    stroke-width: 6;
  }
  .line3 {
    stroke-dasharray: 60 207;
    stroke-width: 6;
  }
  .opened .line1 {
    stroke-dasharray: 90 207;
    stroke-dashoffset: -134;
    stroke-width: 6;
  }
  .opened .line2 {
    stroke-dasharray: 1 60;
    stroke-dashoffset: -30;
    stroke-width: 6;
  }
  .opened .line3 {
    stroke-dasharray: 90 207;
    stroke-dashoffset: -134;
    stroke-width: 6;
  }
</style>
