Convert tests to Vitest (#4)

packages/website/app/modules/navigation/load-guide-links.server.ts

@@ -0,0 +1,40 @@
+import glob from "fast-glob"
+import grayMatter from "gray-matter"
+import { readFile } from "node:fs/promises"
+import { join, parse } from "node:path"
+import type { AppLinkProps } from "~/modules/navigation/app-link"
+
+const guidesFolder = "app/routes/guides"
+
+export type GuideLink = {
+  title: string
+  order: number
+  link: AppLinkProps
+}
+
+export async function loadGuideLinks(): Promise<GuideLink[]> {
+  const guideFiles = await glob(`**/*.md`, { cwd: guidesFolder })
+
+  const links: GuideLink[] = await Promise.all(
+    guideFiles.map(async (file) => {
+      const { data } = grayMatter(await readFile(join(guidesFolder, file)))
+
+      let order = data.order
+      if (!Number.isFinite(order)) {
+        order = Number.POSITIVE_INFINITY
+      }
+
+      return {
+        title: data.meta?.title,
+        order,
+        link: {
+          type: "router",
+          to: `/guides/${parse(file).name}`,
+          children: data.meta?.title,
+        },
+      }
+    }),
+  )
+
+  return links.sort((a, b) => a.order - b.order)
+}