flutter_nucleus
library
Classes
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Atom<T>
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The base class for all atoms.
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AtomBuilder
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AtomConfigMixin<A extends Atom>
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AtomContext<T>
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Passed to the Atom.$read method, allowing you to interact with other atoms
and manage the lifecycle of your state.
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AtomInitialValue<A>
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Returned from Atom.withInitialValue for passing to a AtomRegistry or
AtomScope.
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AtomRegistry
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Responsible for mapping atom's to their state.
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AtomScope
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AtomWithParent<A, Parent extends Atom>
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AtomWithParentBase<A, Parent extends Atom>
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See atomWithParent.
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FutureData<A>
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Represents the case where an async operation succeeds, and has returned a
some data.
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FutureError<A>
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Represents the case where an async operation fails, and has returned an
error.
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FutureLoading<A>
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Represents the case where an async operation is waiting for a result.
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FutureValue<A>
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Represents the loading, error and data state of an async operation.
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MemoryNucleusStorage
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NucleusStorage
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ReadOnlyAtom<T>
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See atom.
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ReadOnlyAtomBase<Value>
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See atom.
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RefreshableAtomWithParent<A, Parent extends Atom>
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See atomWithParent.
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RefreshableReadOnlyAtom<T>
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See atom.
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RefreshableWritableAtom<R, W>
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Represents an Atom that can be written to.
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SharedPrefsStorage
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StateAtom<R>
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Represents an Atom that can be written to.
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WritableAtom<R, W>
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Represents an Atom that can be written to.
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WritableAtomBase<R, W>
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Represents an Atom that can be written to.
Functions
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atom<Value>(AtomReader<Value> create)
→ ReadOnlyAtom<Value>
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Create a read only atom that can interact with other atom's to create
derived state.
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atomFamily<A extends Atom, Arg>(A create(Arg arg))
→ A Function(Arg arg)
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Create a family factory function, for indexing similar atoms with the
Arg
type.
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atomIdMap<T, Id, A extends Atom<T>>(A create(T item), {required Id id(T item)})
→ Map<Id, A> Function(Iterable<T> items)
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atomWithParent<A, Parent extends Atom>(Parent parent, A create(AtomContext<A> get, Parent parent))
→ AtomWithParent<A, Parent>
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Create an Atom that is linked to a parent Atom.
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atomWithStorage<R, A>(AtomWithStorageCreate<R, A> create, {required String key, required Atom<NucleusStorage> storage, required A fromJson(dynamic json), required dynamic toJson(A a)})
→ ReadOnlyAtom<R>
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Create an atom that can read and write to a NucleusStorage instance.
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changeNotifierAtom<T, N extends ChangeNotifier>(AtomReader<N> create, T select(N notifier))
→ AtomWithParent<T, Atom<N>>
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Create an AtomWithParent for a ChangeNotifier, which exposes a value
using the given
select
function.
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futureAtom<A>(AtomReader<Future<A>> create)
→ FutureAtom<A>
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Create an AtomWithParent that returns a FutureValue representing the
current state of the Future's execution.
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stateAtom<Value>(Value initialValue)
→ WritableAtom<Value, Value>
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Create a simple atom with mutable state.
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stateAtomWithStorage<A>(A initialValue, {required Atom<NucleusStorage> storage, required String key, required A fromJson(dynamic json), required dynamic toJson(A a)})
→ WritableAtom<A, A>
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Create a stateAtom, except it's value is persisted to a NucleusStorage
instance.
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streamAtom<A>(AtomReader<Stream<A>> create, {A? initialValue})
→ StreamAtom<A>
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useAtom<A>(Atom<A> atom, {bool listen = true})
→ A
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valueListenableAtom<T>(ValueListenable<T> create(AtomContext<ValueListenable<T>> get))
→ AtomWithParent<T, Atom<ValueListenable<T>>>
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Create an Atom that listens to a ValueListenable.
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valueNotifierAtom<T, N extends ValueNotifier<T>>(AtomReader<N> create)
→ AtomWithParent<T, Atom<N>>
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Create an AtomWithParent for a ValueNotifier, which exposes the latest
value.
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weakAtomFamily<A extends Atom, Arg>(A create(Arg arg))
→ A Function(Arg arg)
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Alternate version of atomFamily that holds a weak reference to each child.
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writableAtom<R, W>(AtomReader<R> reader, AtomWriter<R, W> writer)
→ WritableAtom<R, W>
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Creates an WritableAtom that can be used to implement custom write logic.
Typedefs
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AtomReader<R>
= R Function(AtomContext<R> get)
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A function that creates a value from an AtomContext
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AtomWithStorageCreate<R, A>
= R Function(AtomContext<R> get, A? read(), void write(A value))
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AtomWriter<R, W>
= void Function(GetAtom get, SetAtom set, SetSelf<R> setSelf, W value)
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Represents the
writer
argument to writableAtom
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FutureAtom<A>
= AtomWithParent<FutureValue<A>, Atom<Future<A>>>
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Represents an AtomWithParent for an async operation.
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GetAtom
= A Function<A>(Atom<A> atom)
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Represents a function that retrieves an Atom's value.
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SetAtom
= void Function<R, W>(WritableAtom<R, W> atom, W value)
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Represents a function that sets a WritableAtom's value.
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SetSelf<A>
= void Function(A value)
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Represents function that sets the current atom's value
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StreamAtom<A>
= AtomWithParent<FutureValue<A>, Atom<Stream<A>>>
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Represents an AtomWithParent for a streaming operation.
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WidgetAtomReader
= Widget Function(BuildContext context, AtomContext<Widget> get, Widget? child)
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