添加博客渲染缓存

src/lib/markdoc-cache.ts

@@ -0,0 +1,16 @@
+import type { RenderableTreeNode } from '@markdoc/markdoc'
+import KeyV from 'keyv'
+import { createHash } from 'node:crypto'
+
+const markdocVersion = '1'
+
+export const markdocCache = new KeyV<RenderableTreeNode>({
+  namespace: `markdoc-cache-${markdocVersion}`,
+  ttl: 1000 * 60 * 60 * 24 * 7,
+})
+export const generateCacheKey = (content: string) => {
+  return createHash('sha256')
+    .update(content)
+    .update(markdocVersion)
+    .digest('hex')
+}