Allow handler to be undefined

redisclient.js

@@ -14,6 +14,8 @@ class ClientCompat
 		});
 	}
 
+	_nop() { }
+
 	async _connect()
 	{
 		if( this.client.isReady )
@@ -23,6 +25,7 @@ class ClientCompat
 
 	async GET( key, handler )
 	{
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();
@@ -36,6 +39,7 @@ class ClientCompat
 
 	async HGET( key, field, handler )
 	{
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();
@@ -49,6 +53,7 @@ class ClientCompat
 
 	async HGETALL( key, handler )
 	{
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();
@@ -62,9 +67,7 @@ class ClientCompat
 
 	async DEL( key, handler )
 	{
-		if( !handler )
-			throw new Error( "handler cannot be undefined" );
-
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();
@@ -78,6 +81,7 @@ class ClientCompat
 
 	async HDEL( key, field, handler )
 	{
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();
@@ -91,6 +95,7 @@ class ClientCompat
 
 	async TTL( key, handler )
 	{
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();
@@ -104,6 +109,7 @@ class ClientCompat
 
 	async compatExec( multi, handler )
 	{
+		handler = handler || this._nop;
 		try
 		{
 			await this._connect();

session.js

@@ -62,8 +62,8 @@ class Session extends EventEmitter
 		} );
 
 		this.__sess = {};
-		this.__emitOk = ( e, m ) => {
-			_self.__emit( e, "set", new SessionEventArgs( m ) );
+		this.__emitOk = ( m, err ) => {
+			_self.__emit( err, "set", new SessionEventArgs( m ) );
 		};
 	}
 
@@ -86,7 +86,7 @@ class Session extends EventEmitter
 				.HSET( this.id, "spawn", new Date().getTime() )
 				.HSET( this.id, "lifespan", ttl )
 				.EXPIRE( this.id, ttl )
-			, ( data, err ) => ( handler || this.__emitOk)( err, data )
+			, handler || this.__emitOk
 		);
 	}
 
@@ -120,7 +120,7 @@ class Session extends EventEmitter
 		var _self = this;
 		Client.HGET(
 			this.id, name
-			, function( err, rep )
+			, function( rep, err )
 			{
 				_self.__emitOk( err );
 				_self.__sess[ name ] = rep;