server - multerがテンポラリディレクトリにファイルを展開するように

DiskStorageをオプション無しで呼ぶといい感じになる
またチェーンを改行するようにし、デバッグ表示にパスが出るようにした

src/api/common/add-file-to-drive.ts

@@ -40,7 +40,7 @@ const addFile = async (
 	folderId: mongodb.ObjectID = null,
 	force: boolean = false
 ) => {
-	log(`registering ${name} (user: ${user.username})`);
+	log(`registering ${name} (user: ${user.username}, path: ${path})`);
 
 	// Calculate hash, get content type and get file size
 	const [hash, [mime, ext], size] = await Promise.all([
@@ -210,18 +210,19 @@ export default (user: any, file: string | stream.Readable, ...args) => new Promi
 				.catch(rej);
 		}
 		rej(new Error('un-compatible file.'));
-	}).then(([path, remove]): Promise<any> => new Promise((res, rej) => {
+	})
-		addFile(user, path, ...args)
+		.then(([path, remove]): Promise<any> => new Promise((res, rej) => {
-			.then(file => {
+			addFile(user, path, ...args)
-				res(file);
+				.then(file => {
-				if (remove) {
+					res(file);
-					fs.unlink(path, (e) => {
+					if (remove) {
-						if (e) log(e.stack);
+						fs.unlink(path, (e) => {
-					});
+							if (e) log(e.stack);
-				}
+						});
-			})
+					}
-			.catch(rej);
+				})
-	}))
+				.catch(rej);
+		}))
 		.then(file => {
 			log(`drive file has been created ${file._id}`);
 			resolve(file);

src/api/server.ts

@@ -40,7 +40,7 @@ app.get('/', (req, res) => {
 endpoints.forEach(endpoint =>
 	endpoint.withFile ?
 		app.post(`/${endpoint.name}`,
-			endpoint.withFile ? multer({ dest: 'uploads/' }).single('file') : null,
+			endpoint.withFile ? multer({ storage: multer.diskStorage({}) }).single('file') : null,
 			require('./api-handler').default.bind(null, endpoint)) :
 		app.post(`/${endpoint.name}`,
 			require('./api-handler').default.bind(null, endpoint))