ErrorBoundary class abstract
Component that catches errors in its subtree
- Inheritance
-
- Object
- DCFComponentNode
- StatefulComponent
- ErrorBoundary
Constructors
- ErrorBoundary({String? key})
Properties
- contentViewId ↔ String?
-
The native view ID of the rendered content
getter/setter pairinherited
- effectiveNativeViewId → String?
-
Get effective native view ID (may be from rendered content)
no setterinherited
- error → Object?
-
Get current error
no setter
- hasError → bool
-
Get whether there's an error
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- instanceId → String
-
Unique ID for this component instance
finalinherited
- isMounted → bool
-
Get whether the component is mounted
no setterinherited
- key → String?
-
Unique identifier for this node
finalinherited
- nativeViewId ↔ String?
-
Native view ID once rendered
getter/setter pairinherited
- parent ↔ DCFComponentNode?
-
Parent node in the virtual tree
getter/setter pairinherited
- renderedNode ↔ DCFComponentNode
-
Get the rendered node (lazily render if necessary)
getter/setter pairinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scheduleUpdate ↔ dynamic Function()
-
Function to schedule updates when state changes
getter/setter pairinherited
- stackTrace → StackTrace?
-
Get error stack trace
no setter
- typeName → String
-
Type name for debugging
finalinherited
Methods
-
clone(
) → DCFComponentNode -
Implement VDomNode methods
inherited
-
componentDidMount(
) → void -
Called when the component is mounted
inherited
-
componentDidUpdate(
Map< String, dynamic> prevProps) → void -
Called after the component updates
inherited
-
componentWillUnmount(
) → void -
Called when the component will unmount
inherited
-
equals(
DCFComponentNode other) → bool -
Whether this node is equal to another
inherited
-
handleError(
Object error, StackTrace stackTrace) → void - Handle error in child component
-
mount(
DCFComponentNode? parent) → void -
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
prepareForRender(
) → void -
Reset hook state for next render
inherited
-
render(
) → DCFComponentNode -
Render the component - must be implemented by subclasses
override
-
renderContent(
) → DCFComponentNode - Render content when no error
-
renderFallback(
Object error, StackTrace? stackTrace) → DCFComponentNode - Render fallback UI when error occurs
-
resetError(
) → void - Reset error state
-
runEffectsAfterRender(
) → void -
Run effects after render - called by VDOM
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
unmount(
) → void -
inherited
-
useEffect(
dynamic Function()? effect(), {List dependencies = const []}) → void -
Create an effect hook
inherited
-
useRef<
T> ([T? initialValue]) → RefObject< T> -
Create a ref hook
inherited
-
useState<
T> (T initialValue, [String? name]) → StateHook< T> -
Create a state hook
inherited
-
useStore<
T> (Store< T> store) → StoreHook<T> -
Create a store hook for global state
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited