diff options
Diffstat (limited to 'src/api.ts')
| -rw-r--r-- | src/api.ts | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/src/api.ts b/src/api.ts index 9003a3edfb..12f5a0b21c 100644 --- a/src/api.ts +++ b/src/api.ts @@ -28,6 +28,12 @@ type IsNeverType<T> = [T] extends [never] ? true : false; type StrictExtract<Union, Cond> = Cond extends Union ? Union : never; +type IsCaseMatched<E extends keyof Endpoints, P extends Endpoints[E]['req'], C extends number> = + IsNeverType<StrictExtract<Endpoints[E]['res']['$switch']['$cases'][C], [P, any]>> extends false ? true : false; + +type GetCaseResult<E extends keyof Endpoints, P extends Endpoints[E]['req'], C extends number> = + StrictExtract<Endpoints[E]['res']['$switch']['$cases'][C], [P, any]>[1]; + export class APIClient { public origin: string; public credential: string | null | undefined; @@ -46,17 +52,18 @@ export class APIClient { public request<E extends keyof Endpoints, P extends Endpoints[E]['req']>( endpoint: E, params: P = {} as P, credential?: string | null | undefined, ): Promise<Endpoints[E]['res'] extends { $switch: { $cases: [any, any][]; $default: any; }; } - ? IsNeverType<StrictExtract<Endpoints[E]['res']['$switch']['$cases'][0], [P, any]>> extends false - ? StrictExtract<Endpoints[E]['res']['$switch']['$cases'][0], [P, any]>[1] - : IsNeverType<StrictExtract<Endpoints[E]['res']['$switch']['$cases'][1], [P, any]>> extends false - ? StrictExtract<Endpoints[E]['res']['$switch']['$cases'][1], [P, any]>[1] - : IsNeverType<StrictExtract<Endpoints[E]['res']['$switch']['$cases'][2], [P, any]>> extends false - ? StrictExtract<Endpoints[E]['res']['$switch']['$cases'][2], [P, any]>[1] - : IsNeverType<StrictExtract<Endpoints[E]['res']['$switch']['$cases'][3], [P, any]>> extends false - ? StrictExtract<Endpoints[E]['res']['$switch']['$cases'][3], [P, any]>[1] - : IsNeverType<StrictExtract<Endpoints[E]['res']['$switch']['$cases'][4], [P, any]>> extends false - ? StrictExtract<Endpoints[E]['res']['$switch']['$cases'][4], [P, any]>[1] - : Endpoints[E]['res']['$switch']['$default'] + ? + IsCaseMatched<E, P, 0> extends true ? GetCaseResult<E, P, 0> : + IsCaseMatched<E, P, 1> extends true ? GetCaseResult<E, P, 1> : + IsCaseMatched<E, P, 2> extends true ? GetCaseResult<E, P, 2> : + IsCaseMatched<E, P, 3> extends true ? GetCaseResult<E, P, 3> : + IsCaseMatched<E, P, 4> extends true ? GetCaseResult<E, P, 4> : + IsCaseMatched<E, P, 5> extends true ? GetCaseResult<E, P, 5> : + IsCaseMatched<E, P, 6> extends true ? GetCaseResult<E, P, 6> : + IsCaseMatched<E, P, 7> extends true ? GetCaseResult<E, P, 7> : + IsCaseMatched<E, P, 8> extends true ? GetCaseResult<E, P, 8> : + IsCaseMatched<E, P, 9> extends true ? GetCaseResult<E, P, 9> : + Endpoints[E]['res']['$switch']['$default'] : Endpoints[E]['res']> { const promise = new Promise((resolve, reject) => { |