SyntaxError: Unexpected token +=

[gkorland]

redis-mock-js/server/redis-mock-net-tcp-server.js

Line 43 in 3fa9259

var command += data.toString();

redis-mock-js/server/redis-mock-net-tcp-server.js:43
            var command += data.toString();
                        ^^

SyntaxError: Unexpected token +=
    at createScript (vm.js:80:10)
    at Object.runInThisContext (vm.js:139:10)
    at Module._compile (module.js:588:28)
    at Object.Module._extensions..js (module.js:635:10)
    at Module.load (module.js:545:32)
    at tryModuleLoad (module.js:508:12)
    at Function.Module._load (module.js:500:3)
    at Function.Module.runMain (module.js:665:10)
    at startup (bootstrap_node.js:187:16)
    at bootstrap_node.js:607:3