snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

examples/lit/pagination/config/ports.js

@@ -0,0 +1,26 @@
+const DEFAULT_DEMO_PORT = 4183
+const DEFAULT_API_PORT = 4184
+
+function readPortFromEnv(name, fallback) {
+  const rawValue = process.env[name]
+  if (!rawValue) {
+    return fallback
+  }
+
+  const parsed = Number.parseInt(rawValue, 10)
+  const valid = Number.isInteger(parsed) && parsed >= 1 && parsed <= 65_535
+
+  if (!valid) {
+    throw new Error(
+      `Invalid ${name}="${rawValue}". Expected integer in [1, 65535].`,
+    )
+  }
+
+  return parsed
+}
+
+export const DEMO_PORT = readPortFromEnv(
+  'PAGINATION_DEMO_PORT',
+  DEFAULT_DEMO_PORT,
+)
+export const API_PORT = readPortFromEnv('PAGINATION_API_PORT', DEFAULT_API_PORT)