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---
lang: en
title: 'API docs: repository-tests.crudrepositoryctor'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/strongloop/loopback-next/tree/master/packages/repository-tests
permalink: /doc/en/lb4/apidocs.repository-tests.crudrepositoryctor.html
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
[Home](./index.md) > [@loopback/repository-tests](./repository-tests.md) > [CrudRepositoryCtor](./repository-tests.crudrepositoryctor.md)
## CrudRepositoryCtor type
A constructor of a class implementing CrudRepository interface, accepting the Entity class (constructor) and a dataSource instance.
<b>Signature:</b>
```typescript
export declare type CrudRepositoryCtor = new <T extends Entity, ID, Relations extends object>(entityClass: typeof Entity & {
prototype: T;
}, dataSource: juggler.DataSource) => EntityCrudRepository<T, ID, Relations>;
```
<b>References:</b> [Entity](./repository.entity.md)<!-- -->, [EntityCrudRepository](./repository.entitycrudrepository.md)