⚡ bloc_signals_devtools

"With the rigor of Bloc and the flex and speed of Signal"

Dedicated Flutter DevTools extension UI for inspecting BlocSignal and CubitSignal containers, tracing event-to-transition timelines, inspecting state diffs, and warning against memory leaks.

🌐 Ecosystem Packages

Package	Purpose	Pub.dev Link
`bloc_signals`	Core pure-Dart state containers, event registry, & VM Service telemetry	📦 pub.dev
`bloc_signals_flutter`	Flutter UI widgets (`BlocSignalProvider`, `BlocSignalBuilder`, `BlocSignalListener`, `BlocSignalConsumer`, `BlocSignalSelector`)	📦 pub.dev
`bloc_signals_riverpod`	Bidirectional Riverpod interop adapters (`toBlocSignal(ref)`, `toProvider()`)	📦 pub.dev
`bloc_signals_hydrate`	Persistent state storage (`HydratedCubitSignal`, `HydratedBlocSignal`)	📦 pub.dev
`bloc_signals_devtools`	Dedicated Flutter DevTools extension inspector UI	📦 pub.dev
`bloc_signals_test`	Declarative unit testing helpers (`blocSignalTest`)	📦 pub.dev
`bloc_signals_lint`	Static analysis lints & IDE quick-fixes	📦 pub.dev
`bloc_signals_otel`	OpenTelemetry tracing observers	📦 pub.dev

⚡ Key Features

🌳 Instance Tree View: Searchable list of active container instances, state values, types, and closure status.
⏱️ Timeline Trace Panel: Chronological timeline mapping events ➔ transitions ➔ state updates per container instance.
🔀 State Diff Inspector: Interactive object diff viewer highlighting currentState vs nextState.
🚨 Leak Detector & Warnings: Alert badge displaying active vs closed container counts and retain warnings.

🚀 Getting Started

Add bloc_signals_devtools to your pubspec.yaml:

dev_dependencies:
  bloc_signals_devtools: ^0.1.0

💡 Usage Example

import 'package:bloc_signals_devtools/bloc_signals_devtools.dart';
import 'package:flutter/material.dart';

Widget buildInspector(
  List<Map<String, dynamic>> instances,
  List<Map<String, dynamic>> history,
) {
  return BlocSignalsDevToolsExtension(
    instances: instances,
    history: history,
  );
}

🤖 AI Coding Assistant Skill

This package is supported by an official pre-packaged AI Coding Skill representing VM Service RPC extensions, DevTools inspector usage, and telemetry protocols for BlocSignal.

If you develop with AI coding assistants (such as Claude Code, Antigravity, Gemini, Cursor, or Codex), you can load the bloc-signals skill bundle to guide your assistant's code generation and analysis.

📜 License

MIT License. See LICENSE for details.