simplify

Author: danylo-safonov-solid

tools/add_imports/bin/add_imports.dart

@@ -19,7 +19,7 @@ void main(List<String> arguments) {
         .map((e) => e.group(1))
         .whereNotNull()
         .toSet()
-        .intersection(config.classesMap.values.flattened.toSet())
+        .intersection(config.classes)
         .whereNot((e) => sourceString.contains('import { $e }'))
         .toList();
 

tools/add_imports/lib/src/config.dart

@@ -1,9 +1,12 @@
+import 'package:collection/collection.dart';
 import 'package:yaml/yaml.dart';
 
 class Config {
   final String fileUrlPrefix;
   final Map<String, List<String>> classesMap;
 
+  Set<String> get classes => classesMap.values.flattened.toSet();
+
   Config({required this.fileUrlPrefix, required this.classesMap});
 
   factory Config.fromYaml(String yamlString) {