feat: improve structure and error handling

components/Header/index.tsx

@@ -0,0 +1,35 @@
+import { GetHeader } from "@/lib/graphql/Query/Header.graphql"
+import { request } from "@/lib/graphql/request"
+
+import Logo from "./Logo"
+
+import styles from "./header.module.css"
+
+import type { LangParams } from "@/types/params"
+import { HeaderQueryData } from "@/types/requests/header"
+
+export default async function Header({ lang }: LangParams) {
+  const { data } = await request<HeaderQueryData>(GetHeader, {
+    locale: lang,
+  })
+
+  if (
+    !data.all_header.items.length ||
+    !data.all_header.items?.[0].logoConnection.totalCount
+  ) {
+    return null
+  }
+
+  const logo = data.all_header.items[0].logoConnection.edges[0]
+
+  return (
+    <header className={styles.header}>
+      <Logo
+        title={logo.node.title}
+        height={logo.node.dimension.height}
+        width={logo.node.dimension.width}
+        src={logo.node.url}
+      />
+    </header>
+  )
+}