edit

sanity/env.ts

@@ -0,0 +1,20 @@
+export const apiVersion =
+  process.env.NEXT_PUBLIC_SANITY_API_VERSION || '2025-06-04'
+
+export const dataset = assertValue(
+  process.env.NEXT_PUBLIC_SANITY_DATASET,
+  'Missing environment variable: NEXT_PUBLIC_SANITY_DATASET'
+)
+
+export const projectId = assertValue(
+  process.env.NEXT_PUBLIC_SANITY_PROJECT_ID,
+  'Missing environment variable: NEXT_PUBLIC_SANITY_PROJECT_ID'
+)
+
+function assertValue<T>(v: T | undefined, errorMessage: string): T {
+  if (v === undefined) {
+    throw new Error(errorMessage)
+  }
+
+  return v
+}