CWを使用する場合、注釈を空にすることを許可しない

Resolve #12217

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

@@ -16,8 +16,8 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { DI } from '@/di-symbols.js';
-import { ApiError } from '../../error.js';
 import { isPureRenote } from '@/misc/is-pure-renote.js';
+import { ApiError } from '../../error.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -109,7 +109,7 @@ export const paramDef = {
 		visibleUserIds: { type: 'array', uniqueItems: true, items: {
 			type: 'string', format: 'misskey:id',
 		} },
-		cw: { type: 'string', nullable: true, maxLength: 100 },
+		cw: { type: 'string', nullable: true, minLength: 1, maxLength: 100 },
 		localOnly: { type: 'boolean', default: false },
 		reactionAcceptance: { type: 'string', nullable: true, enum: [null, 'likeOnly', 'likeOnlyForRemote', 'nonSensitiveOnly', 'nonSensitiveOnlyForLocalLikeOnlyForRemote'], default: null },
 		noExtractMentions: { type: 'boolean', default: false },

packages/frontend/src/components/MkPostForm.vue

@@ -658,6 +658,14 @@ function deleteDraft() {
 }
 
 async function post(ev?: MouseEvent) {
+	if (useCw && (cw == null || cw.trim() === '')) {
+		os.alert({
+			type: 'error',
+			text: i18n.ts.cwNotationRequired,
+		});
+		return;
+	}
+
 	if (ev) {
 		const el = ev.currentTarget ?? ev.target;
 		const rect = el.getBoundingClientRect();