hoppscotch/packages/hoppscotch-app/components/smart/Spinner.vue

<template>
  <svg
    class="h-4 animate-spin w-4"
    xmlns="http://www.w3.org/2000/svg"
    fill="none"
    viewBox="0 0 24 24"
  >
    <circle
      class="opacity-25"
      cx="12"
      cy="12"
      r="10"
      stroke="currentColor"
      stroke-width="4"
    />
    <path
      class="opacity-75"
      fill="currentColor"
      d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
    />
  </svg>
</template>