snapshot of https://github.com/shadcn-ui/ui.git (main, 2026-09-15; blobs > 131072B omitted)

apps/v4/lib/changelog.ts

@@ -0,0 +1,50 @@
+import fs from "fs"
+import path from "path"
+import fm from "front-matter"
+
+import { source } from "@/lib/source"
+
+export type ChangelogPageData = {
+  title: string
+  description?: string
+}
+
+export type ChangelogPage = ReturnType<typeof source.getPages>[number] & {
+  date: Date | null
+}
+
+// Reads the date from the frontmatter of a changelog file.
+export function getDateFromFile(slugs: string[]) {
+  const filePath = path.join(
+    process.cwd(),
+    "content/docs",
+    ...slugs.slice(0, -1),
+    `${slugs[slugs.length - 1]}.mdx`
+  )
+  try {
+    const content = fs.readFileSync(filePath, "utf-8")
+    const { attributes } = fm<{ date?: string | Date }>(content)
+    if (attributes.date) {
+      return new Date(attributes.date)
+    }
+  } catch {
+    // File not found or parse error.
+  }
+  return null
+}
+
+// Gets all changelog pages sorted by date descending.
+export function getChangelogPages() {
+  return source
+    .getPages()
+    .filter((page) => page.slugs[0] === "changelog" && page.slugs.length > 1)
+    .map((page) => ({
+      ...page,
+      date: getDateFromFile(page.slugs),
+    }))
+    .sort((a, b) => {
+      const dateA = a.date?.getTime() ?? 0
+      const dateB = b.date?.getTime() ?? 0
+      return dateB - dateA
+    })
+}