3 files changed, 86 insertions, 0 deletions
diff --git a/src/utils/schemas/blogPostSchema.ts b/src/utils/schemas/blogPostSchema.ts
new file mode 100644
index 0000000..87e1bf2
--- /dev/null
+++ b/src/utils/schemas/blogPostSchema.ts
@@ -0,0 +1,37 @@
+import type { WithContext, BlogPosting } from "schema-dts";
+import { config } from "../../config";
+
+export type BlogPostSchemaParams = {
+	readonly dateModified: string;
+	readonly datePublished: string;
+	readonly description: string;
+	readonly isBasedOn?: string;
+	readonly lang: string;
+	readonly preview: string;
+	readonly siteUrl: string;
+	readonly slug: string;
+	readonly title: string;
+};
+
+export default ({ siteUrl, slug, title, description, preview, datePublished, dateModified, lang, isBasedOn }: BlogPostSchemaParams): WithContext<BlogPosting> => ({
+	"@context": "https://schema.org",
+	"@type": "BlogPosting",
+	"url": new URL(`/blog/${slug}`, siteUrl).toString(),
+	"headline": title,
+	"description": description,
+	"image": new URL(preview, siteUrl).toString(),
+	"datePublished": datePublished,
+	"dateModified": dateModified,
+	"inLanguage": lang,
+	"author": {
+		"@type": "Person",
+		"name": config.author.name,
+		"url": config.author.url,
+		"sameAs": config.author.sameAs,
+	},
+	"mainEntityOfPage": {
+		"@type": "WebPage",
+		"@id": new URL(`/blog/${slug}`, siteUrl).toString(),
+	},
+	...(isBasedOn && { isBasedOn: isBasedOn }),
+});
diff --git a/src/utils/schemas/blogSchema.ts b/src/utils/schemas/blogSchema.ts
new file mode 100644
index 0000000..77f4632
--- /dev/null
+++ b/src/utils/schemas/blogSchema.ts
@@ -0,0 +1,26 @@
+import type { WithContext, CollectionPage } from "schema-dts";
+import type { CollectionEntry } from "astro:content";
+
+export type BlogSchemaParams = {
+	readonly posts: CollectionEntry<"blog">[];
+	readonly siteUrl: string;
+	readonly title: string;
+};
+
+export default ({ siteUrl, title, posts }: BlogSchemaParams): WithContext<CollectionPage> => ({
+	"@context": "https://schema.org",
+	"@type": "CollectionPage",
+	"url": new URL("/blog/", siteUrl).toString(),
+	"name": title,
+	"mainEntity": {
+		"@type": "ItemList",
+		"itemListOrder": "https://schema.org/ItemListOrderDescending",
+		"numberOfItems": posts.length,
+		"itemListElement": posts.map((post, index) => ({
+			"@type": "ListItem",
+			"position": index + 1,
+			"url": new URL(`/blog/${post.slug}`, siteUrl).toString(),
+			"name": post.data.title,
+		})),
+	},
+});
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(),
+	},
+});