add scripts for locales check to backend

backend/scripts/sort.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+ROOT_DIR=$(dirname "$0")/..
+
+tmp=$(mktemp)
+exit_code=0
+
+for locale_file in $ROOT_DIR/src/locales/*.json
+do
+  jq -f $(dirname "$0")/sort_filter.jq $locale_file > "$tmp"
+  if [ "$*" == "--fix" ]
+  then
+    mv "$tmp" $locale_file
+  else
+    if diff -q "$tmp" $locale_file > /dev/null ;
+    then
+      : # all good
+    else
+      exit_code=$?
+      echo "$(basename -- $locale_file) is not sorted by keys"
+    fi
+  fi
+done
+
+exit $exit_code

backend/scripts/sort_filter.jq

@@ -0,0 +1,13 @@
+def walk(f):
+  . as $in
+  | if type == "object" then
+      reduce keys_unsorted[] as $key
+        ( {}; . + { ($key):  ($in[$key] | walk(f)) } ) | f
+  elif type == "array" then map( walk(f) ) | f
+  else f
+  end;
+
+def keys_sort_by(f):
+  to_entries | sort_by(.key|f ) | from_entries;
+
+walk(if type == "object" then keys_sort_by(ascii_upcase) else . end)