增加inited函数

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cluster-memdb",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "key-value memory database for single process application and cluster application",
   "main": "dist/index.js",
   "types": "typings/index.d.js",

src/db.ts

@@ -47,6 +47,8 @@ if (cluster.isMaster) {
 			else if (res.type == 'keys') result = await db.keys()
 			//数据查询
 			else if (res.type == 'find') result = await db.find(res.data)
+			//是否初始化
+			else if (res.type == 'inited') result = await db.inited()
 			//反馈消息给客户端
 			worker.send(JSON.stringify({ id: res.id, messageType: MESSAGE_TYPE_NAME, data: result, type: res.type }))
 		}
@@ -187,6 +189,14 @@ export function memdb(db: string, keyName: string) {
 		else return Object.keys(s.datas() || {})
 	}
 
+	/**
+	 * 数据是否初始化
+	 */
+	async function inited(): Promise<boolean> {
+		if (sendable) return await send('inited', db, keyName, null)
+		else return s.datas() !== null
+	}
+
 	//返回结果
 	return {
 		save,
@@ -197,6 +207,7 @@ export function memdb(db: string, keyName: string) {
 		getByKeys,
 		find,
 		keys,
+		inited,
 	}
 }