API Reference

@querry-kit/nest exports a consolidated public API from the package root and focused subpaths.

import {
  ApiErrorResponses,
  ApiPaginatedResponse,
  ApiResourceQuery,
  Fields,
  QueryDTO,
  QueryService,
  ResourceQuery,
  prepareFieldsQuery,
} from '@querry-kit/nest';

import { parseObject } from '@querry-kit/nest/object';
import { createCaslAccessibleWhere, filterCaslFields } from '@querry-kit/nest/casl';

Main Areas

Area	Use for
`ResourceQuery`	Common controller read flows with fields, includes, service calls, DTO mapping, and projection.
`Fields`	Low-level parsing, validation, include generation, and response projection.
`QueryService`	Prisma-compatible read operations, pagination, query normalization, and error mapping.
DTOs and pagination	Controller query DTOs and `PaginatedDTO` response wrappers.
CASL	Optional `accessibleBy` integration, policy guards, and field-level DTO filtering.
Decorators and pipes	OpenAPI helpers for query parameters and responses, query transformation, body normalization, and reusable API metadata.
Object utilities	Query object parsing, object diffing, Decimal serialization, and predicates.

Subpath Exports

import { Fields } from '@querry-kit/nest/fields';
import { QueryDTO } from '@querry-kit/nest/dto';
import { PageMetaDTO } from '@querry-kit/nest/pagination';
import { QueryService } from '@querry-kit/nest/query-service';
import { createCaslAccessibleWhere, filterCaslFields } from '@querry-kit/nest/casl';
import { ApiPaginatedResponse, ApiParamId } from '@querry-kit/nest/decorators';
import { QueryTransformPipe } from '@querry-kit/nest/pipes';
import { parseObject } from '@querry-kit/nest/object';

Reference Pages

Fields including DTO schema generation
Query Service and complex direct QueryService examples
DTOs and Pagination
CASL
OpenAPI Decorators
Decorators
Pipes
Object Utilities