chore(ci): Check missing translations keys

.travis.yml

@@ -25,7 +25,8 @@ script:
   - export BRANCH=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then echo $TRAVIS_BRANCH; else echo $TRAVIS_PULL_REQUEST_BRANCH; fi)
   - echo "TRAVIS_BRANCH=$TRAVIS_BRANCH, PR=$PR, BRANCH=$BRANCH"
   # Miscellaneous
-  - ./scripts/sort-translations.sh
+  - ./scripts/translations/sort.sh
+  - ./scripts/translations/missing-keys.sh
   # Backend
   - docker-compose exec backend yarn run lint
   - docker-compose exec backend yarn run test --ci --verbose=false --coverage

scripts/translations/missing-keys.sh

@@ -0,0 +1,14 @@
+#! /usr/bin/env bash
+
+ROOT_DIR=$(dirname "$0")/..
+english="$ROOT_DIR/webapp/locales/en.json"
+german="$ROOT_DIR/webapp/locales/de.json"
+listPaths="jq -c 'path(..)|[.[]|tostring]|join(\".\")'"
+if eval "diff -q <( $listPaths < $english ) <( $listPaths < $german  )";
+then
+  : # all good
+else
+  eval "diff -y <( $listPaths < $english ) <( $listPaths < $german  )";
+  printf "\nEnglish and German translation keys do not match, see diff above.\n"
+  exit 1
+fi