InitialDataCompute<TQueryData> class final Option values

The InitialData.compute variant: a seed computed lazily, for as long as the query has no data.

initialData: InitialData.compute(
  () => client
      .getQueryData<List<Task>>(QueryKey(['tasks']))
      ?.where((task) => task.id == id)
      .firstOrNull,
),

Inheritance

• Object
• InitialData<TQueryData>
• InitialDataCompute

Constructors

InitialDataCompute(TQueryData? compute())

Seeds the cache with what compute returns, unless that is null.

const

Properties

compute → TQueryData? Function()

Called when the query is created, and again on every options update — every observer rebuild, equal options included — and every fetch, until the query holds data; once seeded or fetched it is never consulted again. That matches TanStack Query's behaviour, and it is what lets a detail seed itself from a list that arrives later.

final

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

seed() → ({TQueryData? data, bool hasData})

The seed, and whether there is one.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override