refactor page translated logic to its own function

Author: pettinarip

src/lib/i18n/pageTranslation.ts

@@ -0,0 +1,30 @@
+import { getPrimaryNamespaceForPath } from "../utils/translations"
+
+import { areNamespacesTranslated } from "./translationStatus"
+
+/**
+ * Determine if a page should be considered translated for a given locale.
+ *
+ * This checks only the primary namespace inferred from the provided path. When
+ * no primary namespace exists for the path, the page is assumed translated
+ * because it depends solely on globally available shared namespaces (like
+ * "common") rather than page-specific strings.
+ *
+ * @param locale - Locale code, e.g., "en", "es"
+ * @param slug - Page path or slug, e.g., "/wallets/"
+ * @returns Promise resolving to whether the page is translated
+ * @example
+ * await isPageTranslated("es", "/wallets/") // => true | false
+ */
+export async function isPageTranslated(
+ locale: string,
+ slug: string
+): Promise<boolean> {
+ const primaryNamespace = getPrimaryNamespaceForPath(slug)
+
+ if (!primaryNamespace) {
+ return true
+ }
+
+ return areNamespacesTranslated(locale, [primaryNamespace])
+}

src/lib/utils/metadata.ts

@@ -3,12 +3,9 @@ import { getTranslations } from "next-intl/server"
 
 import { DEFAULT_OG_IMAGE, SITE_URL } from "@/lib/constants"
 
-import { areNamespacesTranslated } from "../i18n/translationStatus"
+import { isPageTranslated } from "../i18n/pageTranslation"
 
-import {
- getPrimaryNamespaceForPath,
- isLocaleValidISO639_1,
-} from "./translations"
+import { isLocaleValidISO639_1 } from "./translations"
 import { getFullUrl } from "./url"
 
 import { routing } from "@/i18n/routing"
@@ -122,11 +119,7 @@ export const getMetadata = async ({
  return { ...base, robots: { index: false } }
  }
 
- // Check if the page is translated by checking only the primary namespace
- const primaryNamespace = getPrimaryNamespaceForPath(slugString)
- const isTranslated = await areNamespacesTranslated(locale, [
- primaryNamespace || "",
- ])
+ const isTranslated = await isPageTranslated(locale, slugString)
 
  // If the page is not translated, do not index the page
  return isTranslated ? base : { ...base, robots: { index: false } }