classの定義を一本化

packages/misskey-js/etc/misskey-js.api.md

@@ -728,6 +728,7 @@ type ApGetResponse = operations['ap___get']['responses']['200']['content']['appl
 declare namespace api {
     export {
         isAPIError,
+        ErrPromise,
         SwitchCaseResponseType,
         APIError,
         FetchLike,
@@ -2707,6 +2708,11 @@ export { entities }
 // @public (undocumented)
 type Error_2 = components['schemas']['Error'];
 
+// @public (undocumented)
+class ErrPromise<TSuccess, TError> extends Promise<TSuccess> {
+    constructor(executor: (resolve: (value: TSuccess | PromiseLike<TSuccess>) => void, reject: (reason: TError) => void) => void);
+}
+
 // @public (undocumented)
 type ExportCustomEmojisErrors = EndpointsErrors['export-custom-emojis'][keyof EndpointsErrors['export-custom-emojis']];
 

packages/misskey-js/generator/src/generator.ts

@@ -284,15 +284,6 @@ async function generateApiClientJSDoc(
 	endpointOutputLine.push(`import type { Endpoints } from '${toImportPath(endpointsFileName)}';`);
 	endpointOutputLine.push('');
 
-	endpointOutputLine.push(
-		'interface IErrPromise<TSuccess, TError = unknown> {',
-		'  then<TResult1 = TSuccess, TResult2 = never>(onfulfilled?: ((value: TSuccess) => TResult1 | PromiseLike<TResult1>) | undefined | null, onrejected?: ((reason: TError) => TResult2 | PromiseLike<TResult2>) | undefined | null): Promise<TResult1 | TResult2>;',
-		'',
-		'  catch<TResult = never>(onrejected?: ((reason: TError) => TResult | PromiseLike<TResult>) | undefined | null): Promise<TSuccess | TResult>;',
-		'}',
-	);
-	endpointOutputLine.push('');
-
 	endpointOutputLine.push(`declare module '${toImportPath(apiClientFileName)}' {`);
 	endpointOutputLine.push('  export interface APIClient {');
 	for (let i = 0; i < endpoints.length; i++) {
@@ -306,7 +297,7 @@ async function generateApiClientJSDoc(
 			'      endpoint: E,',
 			'      params: P,',
 			'      credential?: string | null,',
-			'    ): IErrPromise<SwitchCaseResponseType<E, P>, RE>;',
+			'    ): ErrPromise<SwitchCaseResponseType<E, P>, RE>;',
 		);
 
 		if (i < endpoints.length - 1) {

packages/misskey-js/src/api.ts

@@ -3,13 +3,7 @@ import './autogen/apiClientJSDoc.js';
 import { SwitchCaseResponseType } from './api.types.js';
 import type { Endpoints } from './api.types.js';
 
-interface IErrPromise<TSuccess, TError = unknown> {
-	then<TResult1 = TSuccess, TResult2 = never>(onfulfilled?: ((value: TSuccess) => TResult1 | PromiseLike<TResult1>) | undefined | null, onrejected?: ((reason: TError) => TResult2 | PromiseLike<TResult2>) | undefined | null): Promise<TResult1 | TResult2>;
-
-	catch<TResult = never>(onrejected?: ((reason: TError) => TResult | PromiseLike<TResult>) | undefined | null): Promise<TSuccess | TResult>;
-}
-
-class ErrPromise<TSuccess, TError> extends Promise<TSuccess> implements IErrPromise<TSuccess, TError> {
+export class ErrPromise<TSuccess, TError> extends Promise<TSuccess> {
 	constructor(executor: (resolve: (value: TSuccess | PromiseLike<TSuccess>) => void, reject: (reason: TError) => void) => void) {
 		super(executor);
 	}
@@ -65,7 +59,7 @@ export class APIClient {
 		endpoint: E,
 		params: P = {} as P,
 		credential?: string | null,
-	): IErrPromise<SwitchCaseResponseType<E, P>, RE> {
+	): ErrPromise<SwitchCaseResponseType<E, P>, RE> {
 		return new ErrPromise((resolve, reject) => {
 			this.fetch(`${this.origin}/api/${endpoint}`, {
 				method: 'POST',