lib/search: make optional word args available in public api

lib/search.dart

@@ -17,12 +17,26 @@ class JaDBConnection {
       searchKanjiWithDbConnection(this._connection, kanji);
 
   /// Search for a word in the database.
-  Future<List<WordSearchResult>?> searchWord(String word) =>
-      searchWordWithDbConnection(this._connection, word);
+  Future<List<WordSearchResult>?> searchWord(
+    String word, {
+    SearchMode searchMode = SearchMode.Auto,
+    int page = 0,
+    int pageSize = 10,
+  }) =>
+      searchWordWithDbConnection(
+        this._connection,
+        word,
+        searchMode,
+        page,
+        pageSize,
+      );
 
   /// Search for a word in the database, and return the count of results.
-  Future<int?> searchWordCount(String word) =>
-      searchWordCountWithDbConnection(this._connection, word);
+  Future<int?> searchWordCount(
+    String word, {
+    SearchMode searchMode = SearchMode.Auto,
+  }) =>
+      searchWordCountWithDbConnection(this._connection, word, searchMode);
 
   /// Given a list of radicals, search which kanji contains all
   /// of the radicals, find their other radicals, and return those.

lib/search/word_search/word_search.dart

@@ -23,11 +23,11 @@ enum SearchMode {
 
 Future<List<WordSearchResult>?> searchWordWithDbConnection(
   DatabaseExecutor connection,
-  String word, {
-  SearchMode searchMode = SearchMode.Auto,
-  int page = 0,
-  int pageSize = 10,
-}) async {
+  String word,
+  SearchMode searchMode,
+  int page,
+  int pageSize,
+) async {
   if (word.isEmpty) {
     return null;
   }
@@ -80,9 +80,9 @@ Future<List<WordSearchResult>?> searchWordWithDbConnection(
 
 Future<int?> searchWordCountWithDbConnection(
   DatabaseExecutor connection,
-  String word, {
-  SearchMode searchMode = SearchMode.Auto,
-}) async {
+  String word,
+  SearchMode searchMode,
+) async {
   if (word.isEmpty) {
     return null;
   }