| 1 | <script lang="ts"> |
| 2 | import { onMount } from 'svelte'; |
| 3 | import { mode } from 'mode-watcher'; |
| 4 | |
| 5 | let { code }: { code: string } = $props(); |
| 6 | |
| 7 | let container: HTMLDivElement; |
| 8 | let rendered = $state(false); |
| 9 | |
| 10 | async function renderDiagram() { |
| 11 | if (!container) return; |
| 12 | try { |
| 13 | const { default: mermaid } = await import('mermaid'); |
| 14 | const theme = mode.current === 'dark' ? 'dark' : 'default'; |
| 15 | mermaid.initialize({ |
| 16 | startOnLoad: false, |
| 17 | theme, |
| 18 | fontFamily: 'Open Sans, sans-serif' |
| 19 | }); |
| 20 | const id = `mermaid-${Math.random().toString(36).slice(2, 9)}`; |
| 21 | const { svg } = await mermaid.render(id, code); |
| 22 | container.innerHTML = svg; |
| 23 | rendered = true; |
| 24 | } catch (e) { |
| 25 | console.error('[Mermaid] render failed:', e); |
| 26 | container.innerHTML = `<pre class="text-sm text-red-500">Failed to render diagram</pre>`; |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | onMount(() => { |
| 31 | renderDiagram(); |
| 32 | }); |
| 33 | |
| 34 | $effect(() => { |
| 35 | // Track mode changes for re-render |
| 36 | const _ = mode.current; |
| 37 | if (rendered) { |
| 38 | renderDiagram(); |
| 39 | } |
| 40 | }); |
| 41 | </script> |
| 42 | |
| 43 | <div class="not-prose my-6"> |
| 44 | <div bind:this={container} class="flex justify-center overflow-x-auto"> |
| 45 | <noscript> |
| 46 | <pre class="rounded-lg border border-border bg-secondary p-4 text-sm"><code>{code}</code></pre> |
| 47 | </noscript> |
| 48 | </div> |
| 49 | </div> |