Tired of hand-typing types for NestJS CQRS package? We got you covered!

First install base @nestjs/cqrs package.

$ npm i @nestjs/cqrs

All you need to do, is to extend your query with type of expected response.

import { Query } from '@nestjs-architects/typed-cqrs';

export class GetProfileQuery extends Query<ResultType> {}

Now, when implementing handler, you get all type completion & safety!

import { IInferredQueryHandler, QueryHandler } from '@nestjs/cqrs';

@QueryHandler(GetProfileQuery)
export class GetProfileHandler implements IInferredQueryHandler<GetProfileQuery> {}

As well as, results are correctly typed as well!

After running npm run build, run npm link from the root directory to have it visible as globally installed package.

Next, in the project you want to use it, within its root directory, run npm link @nestjs-architects/typed-cqrs