From c2f0d591d14030726e7694a4f6bb72ed274259ba Mon Sep 17 00:00:00 2001
From: Ben <43026681+bwp91@users.noreply.github.com>
Date: Sun, 19 Nov 2023 22:56:25 +0000
Subject: [PATCH] update lang sync - remove old translations (#1751)

---
 scripts/lang-sync.ts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/scripts/lang-sync.ts b/scripts/lang-sync.ts
index 30ce49206..3e1c97a2e 100644
--- a/scripts/lang-sync.ts
+++ b/scripts/lang-sync.ts
@@ -1,6 +1,7 @@
-
 /**
- * Script to copy new english translation strings to the other language files
+ * Script to:
+ * - copy new english translation strings to the other language files
+ * - remove old translation strings from the other language files
  */
 
 import * as fs from 'fs-extra';
@@ -18,11 +19,19 @@ for (const lang of langFiles) {
   const translationStrings = fs.readJsonSync(langPath);
 
   if (lang !== 'en.json') {
+    // find any keys in the main file that are not in the translation file, and add
     for (const [key, value] of Object.entries(main)) {
       if (!translationStrings.hasOwnProperty(key)) {
         translationStrings[key] = value;
       }
     }
+
+    // find any keys in the translation file that are not in the main file, and remove
+    for (const key of Object.keys(translationStrings)) {
+      if (!main.hasOwnProperty(key)) {
+        delete translationStrings[key];
+      }
+    }
   }
 
   // sort keys