From 5750c543fe530493e11a80557eb615501ae826ed Mon Sep 17 00:00:00 2001
From: Amr Saber <amr.m.saber.mail@gmail.com>
Date: Sat, 28 Sep 2024 21:19:00 +0100
Subject: [PATCH] assert i18n dictionaries match on app startup

---
 src/hooks.server.ts               |  1 +
 src/lib/i18n/dicts/_assertions.ts | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 src/hooks.server.ts
 create mode 100644 src/lib/i18n/dicts/_assertions.ts

diff --git a/src/hooks.server.ts b/src/hooks.server.ts
new file mode 100644
index 0000000..2210a20
--- /dev/null
+++ b/src/hooks.server.ts
@@ -0,0 +1 @@
+import '$lib/i18n/dicts/_assertions';
diff --git a/src/lib/i18n/dicts/_assertions.ts b/src/lib/i18n/dicts/_assertions.ts
new file mode 100644
index 0000000..9be6ab8
--- /dev/null
+++ b/src/lib/i18n/dicts/_assertions.ts
@@ -0,0 +1,14 @@
+import { assert } from '$lib/utils';
+import arDict from './ar';
+import enDict from './en';
+
+// Assert that languages dictionaries contain same values
+{
+  const arKeys = new Set(Object.keys(arDict));
+  const enKeys = new Set(Object.keys(enDict));
+
+  const dictsUnion = arKeys.union(enKeys);
+  const dictsIntersection = arKeys.intersection(enKeys);
+  const difference = dictsUnion.difference(dictsIntersection);
+  assert(difference.size == 0, `i18n dictionaries have difference [${[...difference].join(', ')}]`);
+}