parcelLab · ilin-andrey · Jul 7, 2026 · Jul 7, 2026 · Jul 7, 2026 · Jul 7, 2026
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -20,6 +20,7 @@ jobs:
       - run: npm ci
       - run: npm run format:check
       - run: npm run lint
+      - run: npm run validate:data
 
   test:
     runs-on: ubuntu-latest

diff --git a/DATA_REQUIREMENTS.md b/DATA_REQUIREMENTS.md
@@ -56,6 +56,7 @@ Additional format notes:
 ## 5) Testing
 
 - Add test cases to `test/tests.js` under `countriesPostalCodes`: include the country ISO/name, a representative zip, expected region code, and set `usingGoogle: false`.
+- Run `npm run validate:data` to verify data-file consistency and static country/geocode allowlists.
 - Run `npm test` to execute the Node.js test runner.
 - Optional: verify pretty-name lookups via `getNameFromCountryAndRegion` using the `regionNames` file.
 

diff --git a/README.md b/README.md
@@ -93,9 +93,10 @@ console.log(name); // Thüringen
 npm test
 npm run lint
 npm run format:check
+npm run validate:data
 ```
 
-`npm run validate:data` checks consistency between `country/*.json`, `regions/*.json`, `regionNames/*.json`, and the statically supported countries in `lib/region.js`.
+`npm run validate:data` checks consistency between `country/*.json`, `regions/*.json`, `regionNames/*.json`, `geocode/*.json`, and the statically supported countries in `lib/region.js` and `lib/geocode.js`.
 
 See [DATA_REQUIREMENTS.md](./DATA_REQUIREMENTS.md) for the country-data format and checklist.
 

diff --git a/lib/geocode.js b/lib/geocode.js
@@ -85,3 +85,4 @@ function coordinates(country, zipCode) {
 }
 
 module.exports = coordinates;
+module.exports.availableCountries = Object.freeze([...availableCountries]);
diff --git a/lib/region.js b/lib/region.js
@@ -324,3 +324,4 @@ class RegionIdentifier {
 }
 
 module.exports = RegionIdentifier;
+module.exports.availableCountries = Object.freeze([...availableCountries]);
diff --git a/package.json b/package.json
@@ -20,6 +20,7 @@
   "scripts": {
     "test": "node --test",
     "lint": "eslint .",
+    "validate:data": "node scripts/validate-data.js",
     "format": "prettier --write .",
     "format:check": "prettier --check ."
   },

diff --git a/regionNames/BEL.json b/regionNames/BEL.json
@@ -1,5 +1,6 @@
 {
 	"BE-BRU": "Brussels Hoofdstedelijk Gewest",
 	"BE-VGL": "Vlaams Gewest",
+	"BE-VLG": "Vlaams Gewest",
 	"BE-WAL": "Waals Gewest"
-}
+}
diff --git a/regionNames/USA.json b/regionNames/USA.json
@@ -9,6 +9,7 @@
   "US-CT": "Connecticut",
   "US-DE": "Delaware",
   "US-DC": "District of Columbia",
+  "US-FM": "Federated States of Micronesia",
   "US-FL": "Florida",
   "US-GA": "Georgia",
   "US-GU": "Guam",
@@ -22,6 +23,7 @@
   "US-LA": "Louisiana",
   "US-ME": "Maine",
   "US-MD": "Maryland",
+  "US-MH": "Marshall Islands",
   "US-MA": "Massachusetts",
   "US-MI": "Michigan",
   "US-MN": "Minnesota",

diff --git a/regions/RUS.json b/regions/RUS.json
@@ -43723,6 +43723,6 @@
   },
   {
     "region": "RU-YAN",
-    "list": [    ]
+    "list": []
   }
 ]
Original file line number	Diff line number	Diff line change
Expand Up		@@ -85,3 +85,4 @@ function coordinates(country, zipCode) {
		}

		module.exports = coordinates;
		module.exports.availableCountries = Object.freeze([...availableCountries]);
Original file line number	Diff line number	Diff line change
Expand Up		@@ -324,3 +324,4 @@ class RegionIdentifier {
		}

		module.exports = RegionIdentifier;
		module.exports.availableCountries = Object.freeze([...availableCountries]);