ESlint no-plusplus

and no-empty, space-unary-ops

src/database/redis/sorted/add.js

@@ -23,7 +23,7 @@ module.exports = function (redisClient, module) {
 
 		var args = [key];
 
-		for(var i = 0; i < scores.length; ++i) {
+		for(var i = 0; i < scores.length; i += 1) {
 			args.push(scores[i], values[i]);
 		}
 
@@ -36,7 +36,7 @@ module.exports = function (redisClient, module) {
 		callback = callback || function () {};
 		var multi = redisClient.multi();
 
-		for(var i = 0; i < keys.length; ++i) {
+		for(var i = 0; i < keys.length; i += 1) {
 			multi.zadd(keys[i], score, value);
 		}
 

src/database/redis/sorted/remove.js

@@ -28,7 +28,7 @@ module.exports = function (redisClient, module) {
 	module.sortedSetsRemoveRangeByScore = function (keys, min, max, callback) {
 		callback = callback || function () {};
 		var multi = redisClient.multi();
-		for(var i = 0; i < keys.length; ++i) {
+		for(var i = 0; i < keys.length; i += 1) {
 			multi.zremrangebyscore(keys[i], min, max);
 		}
 		multi.exec(function (err) {