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4.6 kBTypeScriptView Raw
1import { PrototypeOf } from './common-types';
2import { Entity, Model } from './model';
3import { DefaultCrudRepository, DefaultKeyValueRepository, juggler, Repository } from './repositories';
4/**
5 * Signature for a Repository class bound to a given model. The constructor
6 * accepts only the dataSource to use for persistence.
7 *
8 * `define*` functions return a class implementing this interface.
9 *
10 * @typeParam M - Model class
11 * @typeParam R - Repository class/interface
12 */
13export interface ModelRepositoryClass<M extends Model, R extends Repository<M>> {
14 /**
15 * The constructor for the generated repository class
16 * @param dataSource - DataSource object
17 */
18 new (dataSource: juggler.DataSource): R;
19 prototype: R;
20}
21/**
22 * Signature for repository classes that can be used as the base class for
23 * `define*` functions. The constructor of a base repository class accepts
24 * the target model constructor and the datasource to use.
25 *
26 * `define*` functions require a class implementing this interface on input.
27 *
28 * @typeParam M - Model class constructor, e.g `typeof Model`.
29 * **❗️IMPORTANT: The type argument `M` is describing the model constructor type
30 * (e.g. `typeof Model`), not the model instance type (`Model`) as is the case
31 * in other repository-related types. The constructor type is required
32 * to support custom repository classes requiring a Model subclass in the
33 * constructor arguments, e.g. `Entity` or a user-provided model.**
34 *
35 * @typeParam R - Repository class/interface
36 */
37export interface BaseRepositoryClass<M extends typeof Model, R extends Repository<PrototypeOf<M>>> {
38 /**
39 * The constructor for the generated repository class
40 * @param modelClass - Model class
41 * @param dataSource - DataSource object
42 */
43 new (modelClass: M, dataSource: juggler.DataSource): R;
44 prototype: R;
45}
46/**
47 * Create (define) a repository class for the given model.
48 *
49 * See also `defineCrudRepositoryClass` and `defineKeyValueRepositoryClass`
50 * for convenience wrappers providing repository class factory for the default
51 * CRUD and KeyValue implementations.
52 *
53 * **❗️IMPORTANT: The compiler (TypeScript 3.8) is not able to correctly infer
54 * generic arguments `M` and `R` from the class constructors provided in
55 * function arguments. You must always provide both M and R types explicitly.**
56 *
57 * @example
58 *
59 * ```ts
60 * const AddressRepository = defineRepositoryClass<
61 * typeof Address,
62 * DefaultEntityCrudRepository<
63 * Address,
64 * typeof Address.prototype.id,
65 * AddressRelations
66 * >,
67 * >(Address, DefaultCrudRepository);
68 * ```
69 *
70 * @param modelClass - A model class such as `Address`.
71 * @param baseRepositoryClass - Repository implementation to use as the base,
72 * e.g. `DefaultCrudRepository`.
73 *
74 * @typeParam M - Model class constructor (e.g. `typeof Address`)
75 * @typeParam R - Repository class (e.g. `DefaultCrudRepository<Address, number>`)
76 */
77export declare function defineRepositoryClass<M extends typeof Model, R extends Repository<PrototypeOf<M>>>(modelClass: M, baseRepositoryClass: BaseRepositoryClass<M, R>): ModelRepositoryClass<PrototypeOf<M>, R>;
78/**
79 * Create (define) an entity CRUD repository class for the given model.
80 * This function always uses `DefaultCrudRepository` as the base class,
81 * use `defineRepositoryClass` if you want to use your own base repository.
82 *
83 * @example
84 *
85 * ```ts
86 * const ProductRepository = defineCrudRepositoryClass<
87 * Product,
88 * typeof Product.prototype.id,
89 * ProductRelations
90 * >(Product);
91 * ```
92 *
93 * @param entityClass - An entity class such as `Product`.
94 *
95 * @typeParam E - An entity class
96 * @typeParam IdType - ID type for the entity
97 * @typeParam Relations - Relations for the entity
98 */
99export declare function defineCrudRepositoryClass<E extends Entity, IdType, Relations extends object>(entityClass: typeof Entity & {
100 prototype: E;
101}): ModelRepositoryClass<E, DefaultCrudRepository<E, IdType, Relations>>;
102/**
103 * Create (define) a KeyValue repository class for the given entity.
104 * This function always uses `DefaultKeyValueRepository` as the base class,
105 * use `defineRepositoryClass` if you want to use your own base repository.
106 *
107 * @example
108 *
109 * ```ts
110 * const ProductKeyValueRepository = defineKeyValueRepositoryClass(Product);
111 * ```
112 *
113 * @param modelClass - An entity class such as `Product`.
114 *
115 * @typeParam M - Model class
116 */
117export declare function defineKeyValueRepositoryClass<M extends Model>(modelClass: typeof Model & {
118 prototype: M;
119}): ModelRepositoryClass<M, DefaultKeyValueRepository<M>>;