@angstone/monostone/dist/src/interfaces/rule.i.d.ts

monolitic event-sourced framework

/**
 * A file loaded to generate the business rule object for the command
 */
export interface IRule {
    /**
     * pre-validates the request (used for validation that does not require database access)
     */
    preValidation?: (req: any) => Promise<string | undefined>;
    /**
     * validate parameters using business rule and database
     */
    validation?: (req: any) => Promise<string | undefined | {
        req: any;
    }>;
    /**
     * Data to respond after the event beeing reduced
     */
    respond?: (eventNumber: number, req: any) => Promise<any>;
}