improve translation tests

__tests__/incorrectTranslationPlaceholders.js

@@ -0,0 +1,24 @@
+const fs = require('fs');
+const path = require('path');
+const messagesFolder = path.resolve(__dirname, '../src/i18n_messages');
+
+for (const file of fs.readdirSync(messagesFolder)) {
+  const filePath = path.join(messagesFolder, file);
+  const content = fs.readFileSync(filePath, 'utf8');
+  const lines = content.split('\n');
+  
+  for (let i = 0; i < lines.length; i++) {
+    const line = lines[i];
+    if (line.includes('${')) {
+      const index = line.indexOf('${');
+      const neighborValue = 10
+      const neighbor = line
+        .trim()
+        .slice(
+          Math.max(0, index - neighborValue),
+          Math.min(line.length, index + neighborValue),
+        )
+      console.log(`${filePath}(${i+1},${index+1}): Likely incorrect placeholder selector \$\{\}: ...${neighbor}...`);
+    }
+  }
+}

package.json

@@ -12,10 +12,10 @@
     "lint": "eslint .",
     "start": "npx react-native start",
     "test": "jest",
+    "test:i18n": "node __tests__/missingTranslations.js && node __tests__/incorrectTranslationPlaceholders.js",
     "adb": "adb devices && adb reverse tcp:9090 tcp:9090 && adb reverse tcp:3000 tcp:3000 && adb reverse tcp:9001 tcp:9001 && adb reverse tcp:8081 tcp:8081",
     "adb:unreverse": "adb devices && adb reverse --remove-all",
     "adb:inspect": "adb shell input keyevent 82",
-    "i18n:missing": "node __tests__/missingTranslations.js",
     "postinstall": "patch-package --exclude 'nothing'"
   },
   "dependencies": {