watch-it-expert

Automate reactive Flutter UI updates by syncing widgets to ValueListenables, Streams, or Futures.

188|18|Updated Apr 28, 2023
One-click install
npx skills add https://github.com/flutter-it/watch_it --skill watch-it-expert
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: watch-it-expert
Source: https://github.com/flutter-it/watch_it/tree/main/skills/watch-it-expert
Command: npx skills add https://github.com/flutter-it/watch_it --skill watch-it-expert

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This guide provides expert strategies for building reactive Flutter UI using watch_it. It explains how to wire watch*, register handlers, and lifecycle hooks to keep widgets in sync with data changes.

Core Features & Use Cases

  • Watch functions: watch, watchIt, watchValue, watchStream, watchFuture to auto-rebuild widgets from Listenable, Stream, or Future sources.
  • Lifecycle & handlers: callOnce, createOnce, onDispose, and registerHandler variants to coordinate side effects without triggering rebuilds.
  • Startup & scope: startup orchestration, pushScope, and scope-based rebuilds to manage lifetime and initialization across screens.

Quick Start

Create a WatchingWidget that observes a ValueNotifier and a Stream with deterministic build order and safe disposal.

Frequently Asked Questions about watch-it-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I manage reactive Flutter state with zero boilerplate?▼

Reactive Flutter state updates with zero boilerplate are achieved by syncing widgets directly to ValueListenables, Streams, or Futures using watch_it functions like watch, watchValue, and watchStream for automatic UI rebuilds.

How do I coordinate side effects in Flutter without triggering UI rebuilds?▼

Coordinate side effects in Flutter without triggering rebuilds by using registerHandler variants and lifecycle helpers like callOnce, createOnce, and onDispose to safely manage deterministic build order and safe disposal.

Can I manage scope and startup orchestration for complex Flutter screens?▼

Startup orchestration and scope management for complex Flutter screens are handled using pushScope and scope-based rebuilds to control initialization order and manage widget lifetime across multiple data sources.

How do I auto-rebuild Flutter widgets from multiple data sources?▼

Auto-rebuild Flutter widgets from multiple data sources by applying watch_it's watch functions to observe Listenable, Stream, and Future sources, ensuring deterministic build order for complex screens.

What is the best way to handle lifecycle management in reactive Flutter apps?▼

Lifecycle management in reactive Flutter apps is handled using watch_it lifecycle helpers like callOnce, createOnce, and onDispose, which coordinate side effects and safe disposal without adding widget boilerplate.