MapProjection class

A generic map-based projection that applies handler functions.

Each event type maps to a handler that transforms the state.

Inheritance

• Object
• Projection<Map<String, dynamic>>
• MapProjection

Constructors

MapProjection(Map<String, Map<String, dynamic> Function(Map<String, dynamic> state, Event event)> handlers)

Creates a MapProjection.

Properties

handlers → Map<String, Map<String, dynamic> Function(Map<String, dynamic> state, Event event)>

Handler functions per event type.

final

hashCode → int

The hash code for this object.

no setter, inherited

initialState → Map<String, dynamic>

The initial state before any events are applied.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

apply(Map<String, dynamic> state, Event event) → Map<String, dynamic>

Applies an event to the current state and returns the new state.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited