revert readline var

lib/redis.js

@@ -73,16 +73,16 @@ class RedisClient {
 	}
 
 	attachEvent() {
-		this.rl = readline.createInterface(process.stdin, process.stdout);
+		const rl = readline.createInterface(process.stdin, process.stdout);
 		this._redis_client.on('ready', () => {
 			if (this.mode !== "UNIXSOCKET") {
-				this.rl.setPrompt(`${this._host}:${this._port}> `);
+				rl.setPrompt(`${this._host}:${this._port}> `);
 			} else {
-				this.rl.setPrompt(`${this._host}> `);
+				rl.setPrompt(`${this._host}> `);
 			}
-			this.rl.prompt();
+			rl.prompt();
 
-			this.rl.on('line', async (line) => {
+			rl.on('line', async (line) => {
 				line = new InputBuffer(line).toString();
 				try {
 					let command = line.trim();
@@ -100,13 +100,13 @@ class RedisClient {
 							readline.clearScreenDown(process.stdout);
 						} else {
 							this.execute([CMD, ...commands]).finally(() => {
-								this.rl.prompt();
+								rl.prompt();
 							});
 						}
 					}
 				} catch (err) {
 					console.log(colors.red(`(error) ${err.message}`));
-					this.rl.prompt();
+					rl.prompt();
 				}
 			}).on('close', () => {
 				console.log('\nAbort!');