refactor

packages/frontend/src/os.ts

@@ -19,6 +19,7 @@ import MkContextMenu from '@/components/MkContextMenu.vue';
 import { MenuItem } from '@/types/menu';
 import copyToClipboard from './scripts/copy-to-clipboard';
 import { showMovedDialog } from './scripts/show-moved-dialog';
+import { DriveFile } from 'misskey-js/built/entities';
 
 export const openingWindowsCount = ref(0);
 
@@ -420,7 +421,7 @@ export async function selectUser(opts: { includeSelf?: boolean } = {}) {
 	});
 }
 
-export async function selectDriveFile(multiple: boolean) {
+export async function selectDriveFile(multiple: boolean): Promise<DriveFile[]> {
 	return new Promise((resolve, reject) => {
 		popup(defineAsyncComponent(() => import('@/components/MkDriveSelectDialog.vue')), {
 			type: 'file',
@@ -428,7 +429,7 @@ export async function selectDriveFile(multiple: boolean) {
 		}, {
 			done: files => {
 				if (files) {
-					resolve(multiple ? files : files[0]);
+					resolve(files);
 				}
 			},
 		}, 'closed');