lib/util: move escapeStringValue to sqlite utils

lib/search/word_search.dart

@@ -10,6 +10,7 @@ import 'package:jadb/models/word_search/word_search_ruby.dart';
 import 'package:jadb/models/word_search/word_search_sense.dart';
 import 'package:jadb/models/word_search/word_search_sources.dart';
 import 'package:jadb/models/word_search/word_search_xref_entry.dart';
+import 'package:jadb/util/sqlite_utils.dart';
 import 'package:sqflite_common/sqlite_api.dart';
 
 // TODO: Support globs
@@ -20,10 +21,6 @@ import 'package:sqflite_common/sqlite_api.dart';
 
 // TODO: Support mixing kana and romaji
 
-String _escapeStringValue(String value) {
-  return "'" + value.replaceAll("'", "''") + "'";
-}
-
 Future<List<WordSearchResult>?> searchWordWithDbConnection(
   DatabaseExecutor connection,
   String word, {
@@ -171,7 +168,7 @@ Future<List<WordSearchResult>?> searchWordWithDbConnection(
   final readingIds = readingElements
       .map((element) => (
             element['entryId'] as int,
-            _escapeStringValue(element['reading'] as String)
+            escapeStringValue(element['reading'] as String)
           ))
       .toList();
 
@@ -194,7 +191,7 @@ Future<List<WordSearchResult>?> searchWordWithDbConnection(
   final kanjiIds = kanjiElements
       .map((element) => (
             element['entryId'] as int,
-            _escapeStringValue(element['reading'] as String)
+            escapeStringValue(element['reading'] as String)
           ))
       .toList();
 

lib/util/sqlite_utils.dart

@@ -0,0 +1,3 @@
+String escapeStringValue(String value) {
+  return "'" + value.replaceAll("'", "''") + "'";
+}