@opra/nestjs/rpc-params.factory.js

Opra NestJS module

/**
 * Factory class that provides parameters for NestJS RPC controllers.
 */
export class RpcParamsFactory {
    /**
     * Exchanges a metadata key for a value from the arguments.
     *
     * @param type - The metadata type.
     * @param data - The metadata data.
     * @param args - The arguments array.
     * @returns The first argument if available, otherwise null.
     */
    exchangeKeyForValue(type, data, args) {
        if (!args) {
            return null;
        }
        args = Array.isArray(args) ? args : [];
        return args[0];
    }
}