Improve typing

src/client/components/post-form.vue

@@ -67,6 +67,7 @@ import extractMentions from '../../misc/extract-mentions';
 import getAcct from '../../misc/acct/render';
 import { formatTimeString } from '../../misc/format-time-string';
 import { selectDriveFile } from '../scripts/select-drive-file';
+import { noteVisibilities } from '../../types'
 
 export default Vue.extend({
 	components: {
@@ -405,7 +406,7 @@ export default Vue.extend({
 		},
 
 		applyVisibility(v: string) {
-			this.visibility = ['public', 'home', 'followers', 'specified'].includes(v) ? v : 'public'; // v11互換性のため
+			this.visibility = (noteVisibilities as unknown as string[]).includes(v) ? v : 'public'; // v11互換性のため
 		},
 
 		addVisibleUser() {