fix

packages/backend/src/misc/json-schema.ts

@@ -3,6 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import type { SomeJTDSchemaType } from 'ajv/dist/core.js';
+
 import {
 	packedMeDetailedOnlySchema,
 	packedMeDetailedSchema,
@@ -134,19 +136,19 @@ type StringDefToType<T extends TypeStringef> =
 	any;
 
 // https://swagger.io/specification/?sbsearch=optional#schema-object
-type OfSchema = {
-	readonly anyOf?: ReadonlyArray<Schema>;
-	readonly oneOf?: ReadonlyArray<Schema>;
-	readonly allOf?: ReadonlyArray<Schema>;
+type OfSchema<T> = {
+	readonly anyOf?: ReadonlyArray<T>;
+	readonly oneOf?: ReadonlyArray<T>;
+	readonly allOf?: ReadonlyArray<T>;
 }
 
-export interface Schema extends OfSchema {
+interface SchemaFactory<T> extends OfSchema<T> {
 	readonly type?: TypeStringef;
 	readonly nullable?: boolean;
 	readonly optional?: boolean;
-	readonly prefixItems?: ReadonlyArray<Schema>;
-	readonly items?: Schema;
-	readonly unevaluatedItems?: Schema | boolean;
+	readonly prefixItems?: ReadonlyArray<T>;
+	readonly items?: T;
+	readonly unevaluatedItems?: T | boolean;
 	readonly properties?: Obj;
 	readonly required?: ReadonlyArray<Extract<keyof NonNullable<this['properties']>, string>>;
 	readonly description?: string;
@@ -163,6 +165,10 @@ export interface Schema extends OfSchema {
 	readonly pattern?: string;
 }
 
+export type Schema = SchemaFactory<Schema>;
+
+export type ValidatableSchema = SchemaFactory<Schema & SomeJTDSchemaType> & SomeJTDSchemaType;
+
 type RequiredPropertyNames<s extends Obj> = {
 	[K in keyof s]:
 		// K is not optional
@@ -229,7 +235,7 @@ export type SchemaTypeDef<p extends Schema> =
 	p['type'] extends 'boolean' ? boolean :
 	p['type'] extends 'object' ? ObjectSchemaTypeDef<p> :
 	p['type'] extends 'array' ? (
-		p['items'] extends OfSchema ? (
+		p['items'] extends OfSchema<p> ? (
 			p['items']['anyOf'] extends ReadonlyArray<Schema> ? UnionSchemaType<NonNullable<p['items']['anyOf']>>[] :
 			p['items']['oneOf'] extends ReadonlyArray<Schema> ? ArrayUnion<UnionSchemaType<NonNullable<p['items']['oneOf']>>> :
 			p['items']['allOf'] extends ReadonlyArray<Schema> ? UnionToIntersection<UnionSchemaType<NonNullable<p['items']['allOf']>>>[] :

packages/backend/src/server/api/endpoints.ts

@@ -4,7 +4,8 @@
  */
 
 import { permissions } from 'misskey-js';
-import type { KeyOf, Schema } from '@/misc/json-schema.js';
+import type { ApiErrorInput } from '@/server/api/error.js';
+import type { KeyOf, ValidatableSchema } from '@/misc/json-schema.js';
 
 import * as ep___admin_abuseReport_notificationRecipient_list
 	from '@/server/api/endpoints/admin/abuse-report/notification-recipient/list.js';
@@ -780,14 +781,10 @@ interface IEndpointMetaBase {
 	readonly tags?: ReadonlyArray<string>;
 
 	readonly errors?: {
-		readonly [key: string]: {
-			readonly message: string;
-			readonly code: string;
-			readonly id: string;
-		};
+		readonly [key: string]: ApiErrorInput;
 	};
 
-	readonly res?: Schema;
+	readonly res?: ValidatableSchema;
 
 	/**
 	 * このエンドポイントにリクエストするのにユーザー情報が必須か否か

packages/backend/src/server/api/endpoints/app/create.ts

@@ -6,7 +6,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { IEndpointMeta } from '@/server/api/endpoints.js';
-import type { Schema } from '@/misc/json-schema.js';
+import type { Schema, ValidatableSchema } from '@/misc/json-schema.js';
 import type { AppsRepository } from '@/models/_.js';
 import { IdService } from '@/core/IdService.js';
 import { unique } from '@/misc/prelude/array.js';
@@ -37,7 +37,7 @@ export const paramDef = {
 		callbackUrl: { type: 'string', nullable: true },
 	},
 	required: ['name', 'description', 'permission'],
-} as const satisfies Schema;
+} as const satisfies ValidatableSchema;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export

packages/backend/src/server/api/error.ts

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-type E = { message: string, code: string, id: string, kind?: 'client' | 'server' | 'permission', httpStatusCode?: number };
+export type ApiErrorInput = { message: string, code: string, id: string, kind?: 'client' | 'server' | 'permission', httpStatusCode?: number };
 
 export class ApiError extends Error {
 	public message: string;
@@ -13,7 +13,7 @@ export class ApiError extends Error {
 	public httpStatusCode?: number;
 	public info?: any;
 
-	constructor(err?: E | null | undefined, info?: any | null | undefined) {
+	constructor(err?: ApiErrorInput | null | undefined, info?: any | null | undefined) {
 		if (err == null) err = {
 			message: 'Internal error occurred. Please contact us if the error persists.',
 			code: 'INTERNAL_ERROR',