use Next.js

packages/next/server/theme.ts

@@ -0,0 +1,64 @@
+import fs from 'fs'
+
+import yaml from 'js-yaml'
+import * as z from 'zod'
+
+import { buildPath } from './dir'
+
+export const THEME_FILENAME = 'theme.yml'
+
+export const zTheme = z
+  .object({
+    title: z.string(),
+    awsm: z.string().optional(),
+    description: z.string().optional(),
+    keywords: z.array(z.string()).optional(),
+    nav: z
+      .array(
+        z
+          .object({
+            name: z.string(),
+            to: z.string(),
+            href: z.undefined()
+          })
+          .or(
+            z.object({
+              name: z.string(),
+              href: z.string(),
+              to: z.undefined()
+            })
+          )
+      )
+      .optional(),
+    author: z
+      .object({
+        url: z.string().optional(),
+        email: z.string().optional(),
+        name: z.string()
+      })
+      .nonstrict(),
+    analytics: z
+      .object({
+        plausible: z.string().optional()
+      })
+      .optional(),
+    comment: z
+      .object({
+        remark42: z
+          .object({
+            host: z.string(),
+            siteId: z.string()
+          })
+          .optional()
+      })
+      .optional()
+  })
+  .nonstrict()
+
+export type ITheme = z.infer<typeof zTheme>
+
+export function getTheme () {
+  return zTheme.parse(
+    yaml.safeLoad(fs.readFileSync(buildPath(THEME_FILENAME), 'utf-8'))
+  )
+}