Initial commit

packages/config/src/index.ts

@@ -0,0 +1,25 @@
+import { z } from "zod";
+
+const envSchema = z.object({
+  APP_NAME: z.string().min(1).default("porthole"),
+  NEXT_PUBLIC_APP_NAME: z.string().min(1).optional()
+});
+
+let cachedEnv: z.infer<typeof envSchema> | undefined;
+
+export function getEnv() {
+  if (cachedEnv) return cachedEnv;
+
+  const parsed = envSchema.safeParse(process.env);
+  if (!parsed.success) {
+    throw new Error(`Invalid environment variables: ${parsed.error.message}`);
+  }
+
+  cachedEnv = parsed.data;
+  return cachedEnv;
+}
+
+export function getAppName() {
+  const env = getEnv();
+  return env.NEXT_PUBLIC_APP_NAME ?? env.APP_NAME;
+}