flutter_gate #

Flutter widgets and extensions for the flutter_gate policy and feature flag system.

Part of the flutter_gate monorepo. Re-exports flutter_gate_core.

Installation #

dependencies:
  flutter_gate: ^0.1.0

Usage #

import 'package:flutter_gate/flutter_gate.dart';

void main() {
  gate.policy<Post>(() => PostPolicy());
  gate.define(const DarkModeFeature());
  runApp(const MyApp());
}

Can(
  ability: 'update',
  user: userId,
  model: post,
  child: EditButton(),
)

FeatureGuard<DarkModeFeature>(
  child: DarkPanel(),
)

Widgets #

• Can / Cannot — authorization guards
• FeatureGuard / FeatureGuardAsync — feature toggles
• FeatureValue / FeatureValueAsync — read feature values in UI
• BuildContext extensions — context.can(), context.featureEnabled()

Documentation #

• Getting started
• Widgets
• Example app