feat: format and rebuild

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/db-mongo/src/client/connection.ts

@@ -4,24 +4,15 @@ const connStr = process.env.FAAS_MONGO_URL || 'mongodb://192.168.0.2:27017';
 const dbName = process.env.FAAS_MONGO_DB || "faas";
 
 export class MongoDBConnection {
-    private static isConnected: boolean = false;
     private static db: Db;
 
-    public static getConnection(result: (connection: Db) => void) {
-        if (this.isConnected) {
-            return result(this.db);
-        } else {
-            this.connect((error: Error, db: Db) => {
-                return result(this.db);
-            });
-        }
+    public static async getConnection(): Promise<Db> {
+        if (!this.db) { this.db = await this.connect() }
+        return this.db;
     }
 
-    private static connect(result: (error: Error, db: Db) => void) {
-        MongoClient.connect(connStr, { useNewUrlParser: true }, (err, client) => {
-            this.db = client.db(dbName);
-            this.isConnected = true;
-            return result(err, this.db);
-        });
+    private static async connect(): Promise<Db> {
+        let client = await MongoClient.connect(connStr, { useNewUrlParser: true });
+        return client.db(dbName);
     }
 }

packages/db-mongo/src/client/index.ts

@@ -1,7 +1,7 @@
-import { Db, ObjectID, Collection } from 'mongodb';
-import { MongoDBConnection } from './connection';
-import { provide } from '@cc-server/ioc'
 import { DBClient } from '@cc-server/db'
+import { MongoDBConnection } from './connection'
+import { Db, ObjectID, Collection } from 'mongodb'
+import { provide, postConstruct } from '@cc-server/ioc'
 
 @provide(DBClient)
 export class MongoDBClient<T = any> implements DBClient {
@@ -9,13 +9,12 @@ export class MongoDBClient<T = any> implements DBClient {
     private db: Db;
     private collection: Collection<T>;
 
-    constructor() {
-        MongoDBConnection.getConnection((connection) => {
-            this.db = connection;
-            if (this.table) {
-                this.collection = this.db.collection(this.table);
-            }
-        });
+    @postConstruct()
+    private async init() {
+        this.db = await MongoDBConnection.getConnection();
+        if (this.table) {
+            this.collection = this.db.collection(this.table);
+        }
     }
 
     public getProvide<P>(): P {

packages/db-mongo/src/index.ts

@@ -1,2 +1,2 @@
-export * from './client'
-export * from 'mongodb';
+export * from 'mongodb'
+export * from './client'