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Type Aliases

Handler

Handler<State, Events>: Events extends any ? ((event: Events, state: State | undefined, context: UpdateHandlerContext) => State | undefined) : never

A handler for transforming an incoming event and the previous view state into a new state

param event: The event, this will be of the type of the gRPC event handler input type
param state: The previous view state or 'undefined' if no previous state was stored
param context: The view handler context
returns: The state to store in the view or undefined to not update/store state for the event

Type Parameters

State extends object = any

the type of the stored state
Events extends object = any

the type of all update events, based on the gRPC method input type

Handlers

Handlers<State, Events>: {}

View update handlers.

remarks: The names of the properties must match the names of all the view methods specified in the gRPC descriptor.

Type Parameters

State extends object = any

the type of the stored state
Events extends object = any

the type of all update events, based on the gRPC method input types

Type declaration

[methodName: string]: Handler<State, Events>

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