schemantic_builder 1.0.0

A code generator for schemantic that produces type-safe data classes and JSON schemas from abstract definitions.

The code generator for schemantic. It generates type-safe data classes and runtime-accessible JSON Schemas from abstract class definitions annotated with @Schema.

This package is a development-time dependency. The runtime API lives in the schemantic package.

Building with a coding agent? Install the Genkit Dart skill first.

npx skills add genkit-ai/skills --skill developing-genkit-dart

It teaches your agent the current Genkit Dart APIs and common gotchas. Source, manual install and skills for other languages: genkit-ai/skills.

Installation

Add schemantic as a regular dependency, and schemantic_builder plus build_runner as dev dependencies:

dart pub add schemantic
dart pub add dev:schemantic_builder
dart pub add dev:build_runner

Usage

1. Define your schema using the @Schema annotation from package:schemantic:

import 'package:schemantic/schemantic.dart';

part 'user.g.dart';

@Schema()
abstract class $User {
  String get name;
  int? get age;
  bool get isAdmin;
}

2. Run the build runner to generate the implementation:

dart run build_runner build

See the schemantic README for full documentation on the generated APIs.