PEE/src/Components/TabPanel.svelte

<script lang="ts">
  import { getContext } from 'svelte'
  import { TABS } from './Tabs.svelte'
  const panel = {}
  const { registerPanel, selectedPanel } = getContext(TABS)

  registerPanel(panel)
</script>

{#if $selectedPanel === panel}
  <slot />
{/if}