|
| 1 | +import '@graphql-codegen/testing'; |
| 2 | +import { generate } from './utils'; |
| 3 | + |
| 4 | +describe('TypeScript Resolvers Plugin + Apollo Federation - mappers', () => { |
| 5 | + it('generates FederationTypes and use it for reference type', async () => { |
| 6 | + const federatedSchema = /* GraphQL */ ` |
| 7 | + type Query { |
| 8 | + me: User |
| 9 | + } |
| 10 | +
|
| 11 | + type User @key(fields: "id") { |
| 12 | + id: ID! |
| 13 | + name: String |
| 14 | + } |
| 15 | +
|
| 16 | + type UserProfile { |
| 17 | + id: ID! |
| 18 | + user: User! |
| 19 | + } |
| 20 | + `; |
| 21 | + |
| 22 | + const content = await generate({ |
| 23 | + schema: federatedSchema, |
| 24 | + config: { |
| 25 | + federation: true, |
| 26 | + mappers: { |
| 27 | + User: './mappers#UserMapper', |
| 28 | + }, |
| 29 | + }, |
| 30 | + }); |
| 31 | + |
| 32 | + // User should have it |
| 33 | + expect(content).toMatchInlineSnapshot(` |
| 34 | + "import { GraphQLResolveInfo } from 'graphql'; |
| 35 | + import { UserMapper } from './mappers'; |
| 36 | + export type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>; |
| 37 | +
|
| 38 | +
|
| 39 | + export type ResolverTypeWrapper<T> = Promise<T> | T; |
| 40 | +
|
| 41 | + export type ReferenceResolver<TResult, TReference, TContext> = ( |
| 42 | + reference: TReference, |
| 43 | + context: TContext, |
| 44 | + info: GraphQLResolveInfo |
| 45 | + ) => Promise<TResult> | TResult; |
| 46 | +
|
| 47 | + type ScalarCheck<T, S> = S extends true ? T : NullableCheck<T, S>; |
| 48 | + type NullableCheck<T, S> = Maybe<T> extends T ? Maybe<ListCheck<NonNullable<T>, S>> : ListCheck<T, S>; |
| 49 | + type ListCheck<T, S> = T extends (infer U)[] ? NullableCheck<U, S>[] : GraphQLRecursivePick<T, S>; |
| 50 | + export type GraphQLRecursivePick<T, S> = { [K in keyof T & keyof S]: ScalarCheck<T[K], S[K]> }; |
| 51 | + |
| 52 | +
|
| 53 | + export type ResolverWithResolve<TResult, TParent, TContext, TArgs> = { |
| 54 | + resolve: ResolverFn<TResult, TParent, TContext, TArgs>; |
| 55 | + }; |
| 56 | + export type Resolver<TResult, TParent = {}, TContext = {}, TArgs = {}> = ResolverFn<TResult, TParent, TContext, TArgs> | ResolverWithResolve<TResult, TParent, TContext, TArgs>; |
| 57 | +
|
| 58 | + export type ResolverFn<TResult, TParent, TContext, TArgs> = ( |
| 59 | + parent: TParent, |
| 60 | + args: TArgs, |
| 61 | + context: TContext, |
| 62 | + info: GraphQLResolveInfo |
| 63 | + ) => Promise<TResult> | TResult; |
| 64 | +
|
| 65 | + export type SubscriptionSubscribeFn<TResult, TParent, TContext, TArgs> = ( |
| 66 | + parent: TParent, |
| 67 | + args: TArgs, |
| 68 | + context: TContext, |
| 69 | + info: GraphQLResolveInfo |
| 70 | + ) => AsyncIterable<TResult> | Promise<AsyncIterable<TResult>>; |
| 71 | +
|
| 72 | + export type SubscriptionResolveFn<TResult, TParent, TContext, TArgs> = ( |
| 73 | + parent: TParent, |
| 74 | + args: TArgs, |
| 75 | + context: TContext, |
| 76 | + info: GraphQLResolveInfo |
| 77 | + ) => TResult | Promise<TResult>; |
| 78 | +
|
| 79 | + export interface SubscriptionSubscriberObject<TResult, TKey extends string, TParent, TContext, TArgs> { |
| 80 | + subscribe: SubscriptionSubscribeFn<{ [key in TKey]: TResult }, TParent, TContext, TArgs>; |
| 81 | + resolve?: SubscriptionResolveFn<TResult, { [key in TKey]: TResult }, TContext, TArgs>; |
| 82 | + } |
| 83 | +
|
| 84 | + export interface SubscriptionResolverObject<TResult, TParent, TContext, TArgs> { |
| 85 | + subscribe: SubscriptionSubscribeFn<any, TParent, TContext, TArgs>; |
| 86 | + resolve: SubscriptionResolveFn<TResult, any, TContext, TArgs>; |
| 87 | + } |
| 88 | +
|
| 89 | + export type SubscriptionObject<TResult, TKey extends string, TParent, TContext, TArgs> = |
| 90 | + | SubscriptionSubscriberObject<TResult, TKey, TParent, TContext, TArgs> |
| 91 | + | SubscriptionResolverObject<TResult, TParent, TContext, TArgs>; |
| 92 | +
|
| 93 | + export type SubscriptionResolver<TResult, TKey extends string, TParent = {}, TContext = {}, TArgs = {}> = |
| 94 | + | ((...args: any[]) => SubscriptionObject<TResult, TKey, TParent, TContext, TArgs>) |
| 95 | + | SubscriptionObject<TResult, TKey, TParent, TContext, TArgs>; |
| 96 | +
|
| 97 | + export type TypeResolveFn<TTypes, TParent = {}, TContext = {}> = ( |
| 98 | + parent: TParent, |
| 99 | + context: TContext, |
| 100 | + info: GraphQLResolveInfo |
| 101 | + ) => Maybe<TTypes> | Promise<Maybe<TTypes>>; |
| 102 | +
|
| 103 | + export type IsTypeOfResolverFn<T = {}, TContext = {}> = (obj: T, context: TContext, info: GraphQLResolveInfo) => boolean | Promise<boolean>; |
| 104 | +
|
| 105 | + export type NextResolverFn<T> = () => Promise<T>; |
| 106 | +
|
| 107 | + export type DirectiveResolverFn<TResult = {}, TParent = {}, TContext = {}, TArgs = {}> = ( |
| 108 | + next: NextResolverFn<TResult>, |
| 109 | + parent: TParent, |
| 110 | + args: TArgs, |
| 111 | + context: TContext, |
| 112 | + info: GraphQLResolveInfo |
| 113 | + ) => TResult | Promise<TResult>; |
| 114 | +
|
| 115 | + /** Mapping of federation types */ |
| 116 | + export type FederationTypes = { |
| 117 | + User: User; |
| 118 | + }; |
| 119 | +
|
| 120 | +
|
| 121 | +
|
| 122 | + /** Mapping between all available schema types and the resolvers types */ |
| 123 | + export type ResolversTypes = { |
| 124 | + Query: ResolverTypeWrapper<{}>; |
| 125 | + User: ResolverTypeWrapper<UserMapper>; |
| 126 | + ID: ResolverTypeWrapper<Scalars['ID']['output']>; |
| 127 | + String: ResolverTypeWrapper<Scalars['String']['output']>; |
| 128 | + UserProfile: ResolverTypeWrapper<Omit<UserProfile, 'user'> & { user: ResolversTypes['User'] }>; |
| 129 | + Boolean: ResolverTypeWrapper<Scalars['Boolean']['output']>; |
| 130 | + }; |
| 131 | +
|
| 132 | + /** Mapping between all available schema types and the resolvers parents */ |
| 133 | + export type ResolversParentTypes = { |
| 134 | + Query: {}; |
| 135 | + User: UserMapper; |
| 136 | + ID: Scalars['ID']['output']; |
| 137 | + String: Scalars['String']['output']; |
| 138 | + UserProfile: Omit<UserProfile, 'user'> & { user: ResolversParentTypes['User'] }; |
| 139 | + Boolean: Scalars['Boolean']['output']; |
| 140 | + }; |
| 141 | +
|
| 142 | + export type QueryResolvers<ContextType = any, ParentType extends ResolversParentTypes['Query'] = ResolversParentTypes['Query']> = { |
| 143 | + me?: Resolver<Maybe<ResolversTypes['User']>, ParentType, ContextType>; |
| 144 | + }; |
| 145 | +
|
| 146 | + export type UserResolvers<ContextType = any, ParentType extends ResolversParentTypes['User'] = ResolversParentTypes['User'], FederationType extends FederationTypes['User'] = FederationTypes['User']> = { |
| 147 | + __resolveReference?: ReferenceResolver<Maybe<ResolversTypes['User']>, { __typename: 'User' } & GraphQLRecursivePick<FederationType, {"id":true}>, ContextType>; |
| 148 | + id?: Resolver<ResolversTypes['ID'], ParentType, ContextType>; |
| 149 | + name?: Resolver<Maybe<ResolversTypes['String']>, ParentType, ContextType>; |
| 150 | + __isTypeOf?: IsTypeOfResolverFn<ParentType, ContextType>; |
| 151 | + }; |
| 152 | +
|
| 153 | + export type UserProfileResolvers<ContextType = any, ParentType extends ResolversParentTypes['UserProfile'] = ResolversParentTypes['UserProfile']> = { |
| 154 | + id?: Resolver<ResolversTypes['ID'], ParentType, ContextType>; |
| 155 | + user?: Resolver<ResolversTypes['User'], ParentType, ContextType>; |
| 156 | + __isTypeOf?: IsTypeOfResolverFn<ParentType, ContextType>; |
| 157 | + }; |
| 158 | +
|
| 159 | + export type Resolvers<ContextType = any> = { |
| 160 | + Query?: QueryResolvers<ContextType>; |
| 161 | + User?: UserResolvers<ContextType>; |
| 162 | + UserProfile?: UserProfileResolvers<ContextType>; |
| 163 | + }; |
| 164 | +
|
| 165 | + " |
| 166 | + `); |
| 167 | + }); |
| 168 | +}); |
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