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Handler

API reference for Handler

@delta-base/toolkit

Type Alias: Handler()<State, TEvent>

Section titled “Type Alias: Handler()<State, TEvent>”

Handler<State, TEvent> = (state) => TEvent | TEvent[] | Promise<TEvent | TEvent[]>

Handler function that processes state and returns events

Type Parameters

Section titled “Type Parameters”

State

Section titled “State”

State

TEvent

Section titled “TEvent”

TEvent extends Event = Event

Parameters

Section titled “Parameters”

state

Section titled “state”

State

Returns

Section titled “Returns”

TEvent | TEvent[] | Promise<TEvent | TEvent[]>