feat: enhance blog post and page schema with new properties

- Added optional `basedOn` field to blog post schema for better content attribution.
- Updated blog post markdown to include `basedOn` reference for improved context.
- Refactored page schema to replace deprecated website schema, enhancing structured data representation.
- Adjusted 404 and index pages to utilize the new page schema for consistency and SEO improvements.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/utils/schemas/pageSchema.ts b/src/utils/schemas/pageSchema.ts
new file mode 100644
index 0000000..606488b
--- /dev/null
+++ b/src/utils/schemas/pageSchema.ts
@@ -0,0 +1,23 @@
+import type { WithContext, WebPage } from "schema-dts";
+
+export type WebsiteSchemaParams = {
+	readonly description: string;
+	readonly page: string;
+	readonly siteUrl: string;
+	readonly title: string;
+	readonly lang: string;
+};
+
+export default ({ siteUrl, page, title, description, lang }: WebsiteSchemaParams): WithContext<WebPage> => ({
+	"@context": "https://schema.org",
+	"@type": "WebPage",
+	"@id": new URL(page, siteUrl).toString(),
+	"url": new URL(page, siteUrl).toString(),
+	"name": title,
+	"description": description,
+	"inLanguage": lang,
+	"mainEntity": {
+		"@type": "WebSite",
+		"@id": new URL("/", siteUrl).toString(),
+	},
+});