Type alias Invariant<S>

Invariant<S>: {
description: string;
valid: ((state, actor?) => boolean);
}

Invariants validate aggregate preconditions before processing commands, allowing state and authorization checks in a declarative way

Type Parameters

S extends State

Type declaration

description: string
valid: ((state, actor?) => boolean)
- - (state, actor?): boolean
  - Parameters
    - state: Readonly<S>
    - Optional actor: Actor
    Returns boolean

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