<script lang="ts">
  export let colour = 'var(--fg)';
</script>

<div class="ellipsis" style={`--loader-colour: ${colour};`}>
  {#each Array.from({ length: 4 }) as _}
    <div></div>
  {/each}
</div>

<style lang="scss">
  .ellipsis {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;

    div {
      position: absolute;
      top: 33px;
      width: 13px;
      height: 13px;
      border-radius: 50%;
      background: var(--loader-colour);
      animation-timing-function: cubic-bezier(0, 1, 1, 0);
    }
  }

  .ellipsis div:nth-child(1) {
    left: 8px;
    animation: ellipsis-1 0.6s infinite;
  }

  .ellipsis div:nth-child(2) {
    left: 8px;
    animation: ellipsis-2 0.6s infinite;
  }

  .ellipsis div:nth-child(3) {
    left: 32px;
    animation: ellipsis-2 0.6s infinite;
  }

  .ellipsis div:nth-child(4) {
    left: 56px;
    animation: ellipsis-3 0.6s infinite;
  }

  @keyframes ellipsis-1 {
    0% {
      transform: scale(0);
    }

    100% {
      transform: scale(1);
    }
  }

  @keyframes ellipsis-2 {
    0% {
      transform: translate(0, 0);
    }

    100% {
      transform: translate(24px, 0);
    }
  }

  @keyframes ellipsis-3 {
    0% {
      transform: scale(1);
    }

    100% {
      transform: scale(0);
    }
  }
</style>
