JSON to Dart
Speed up your Flutter development by instantly generating Dart data models from JSON objects.
Features
- Instant Conversion: Convert any selected JSON text into a Dart class.
- Auto-Generation: Automatically generates:
- Class properties with types.
- Constructor with
required named parameters.
fromJson factory method for parsing.toJson method for serialization.
- Type Support: Handles Strings, Numbers (int/double), Booleans, Attributes.
How to Use
Open a file in VS Code.
Paste your JSON object or select an existing JSON block.
{
"name": "Flutter",
"version": 3.0,
"isCool": true
}
Highlight/Select the JSON text.
Open the Command Palette (Cmd+Shift+P / Ctrl+Shift+P).
Run the command: Convert Selection to Dart Model.
Enter the desired Class Name when prompted (e.g., Framework).
The selected JSON will be replaced by the generated Dart code:
class Framework {
final String name;
final double version;
final bool isCool;
Framework({
required this.name,
required this.version,
required this.isCool,
});
factory Framework.fromJson(Map<String, dynamic> json) {
return Framework(
name: json['name'],
version: json['version'],
isCool: json['isCool'],
);
}
Map<String, dynamic> toJson() {
return {
'name': name,
'version': version,
'isCool': isCool,
};
}
}
Requirements
- VS Code version 1.107.0 or higher.
- No additional dependencies required.
Known Issues
- Arrays: Currently, all arrays are typed as
List<dynamic>. Complex nested lists may require manual type adjustment.
- Nested Objects: Nested objects are currently typed as
Map<String, dynamic>. You may want to generate separate classes for nested objects manually.
Release Notes
0.0.1
- Initial release of JSON to Dart.
- Basic JSON parsing and Dart class generation.
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