Reintegrate GraphQL (#23)

* Use GraphQL for site metadata incl version

* Explicit props for passthrough components

1 files changed, 21 insertions, 0 deletions

diff --git a/src/hooks/SiteMetadata.ts b/src/hooks/SiteMetadata.ts
new file mode 100644
index 0000000..889f42b
--- /dev/null
+++ b/src/hooks/SiteMetadata.ts
@@ -0,0 +1,21 @@
+import { useStaticQuery, graphql } from "gatsby";
+
+type SiteMetadata = NonNullable<
+  NonNullable<Queries.getSiteMetadataQuery["site"]>["siteMetadata"]
+>;
+
+export const useSiteMetadata = (): SiteMetadata => {
+  const { site } = useStaticQuery<Queries.getSiteMetadataQuery>(graphql`
+    query getSiteMetadata {
+      site {
+        siteMetadata {
+          author
+          description
+          title
+        }
+      }
+    }
+  `);
+
+  return site?.siteMetadata ?? ({} as SiteMetadata);
+};