Use YAML serializer package

This code might be useful to someone else

lib/core/note.dart

@@ -101,7 +101,7 @@ class Note with ChangeNotifier implements Comparable<Note> {
     if (_title.isEmpty) {
       _data.props.remove('title');
     } else {
-      _data.props['title'] = "'" + title.replaceAll("'", "''") + "'";
+      _data.props['title'] = title;
     }
     notifyListeners();
   }

lib/core/serializers.dart

@@ -2,6 +2,7 @@ import 'dart:collection';
 
 import 'package:fimber/fimber.dart';
 import 'package:yaml/yaml.dart';
+import 'package:yaml_serializer/yaml_serializer.dart';
 
 class NoteData {
   String body = "";
@@ -120,25 +121,15 @@ class MarkdownYAMLSerializer implements NoteSerializer {
       return note.body;
     }
 
-    const serparator = '---\n';
-    var str = "";
-    str += serparator;
-
-    str += toYAML(note.props);
-    str += serparator;
+    var str = toYamlHeader(note.props);
     str += '\n';
     str += note.body;
 
     return str;
   }
 
-  static String toYAML(Map<String, dynamic> map) {
-    var str = "";
-
-    map.forEach((key, value) {
-      String val = value.toString();
-      str += key + ": " + val + "\n";
-    });
-    return str;
+  static String toYamlHeader(Map<String, dynamic> data) {
+    var yaml = toYAML(data);
+    return "---\n" + yaml + "---\n";
   }
 }

pubspec.lock

@@ -745,6 +745,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.0"
+  yaml_serializer:
+    dependency: "direct main"
+    description:
+      name: yaml_serializer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.2"
 sdks:
   dart: ">=2.5.0 <3.0.0"
   flutter: ">=1.12.13+hotfix.4 <2.0.0"

pubspec.yaml

@@ -33,6 +33,7 @@ dependencies:
   git_bindings: ^0.0.6
   fetch_app_logs: ^0.0.2
   flutter_runtime_env: ^0.0.1
+  yaml_serializer: ^0.0.2
   connectivity: ^0.4.6+1
 
 dev_dependencies: