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lib/supabase/config.ts

@@ -0,0 +1,28 @@
+const isValidHttpUrl = (value: string): boolean => {
+  try {
+    const parsed = new URL(value);
+    return parsed.protocol === "http:" || parsed.protocol === "https:";
+  } catch {
+    return false;
+  }
+};
+
+export type SupabasePublicConfig = {
+  url: string;
+  anonKey: string;
+};
+
+export const readSupabasePublicConfig = (): SupabasePublicConfig | null => {
+  const url = process.env.NEXT_PUBLIC_SUPABASE_URL?.trim();
+  const anonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY?.trim();
+
+  if (!url || !anonKey) {
+    return null;
+  }
+
+  if (!isValidHttpUrl(url)) {
+    return null;
+  }
+
+  return { url, anonKey };
+};