Refactoring For loop

A refactoring in order to remove a for loop and possibly optimize this a bit.
cryptocurrent · Dec 27, 2017 · 981e35b · 981e35b
1 parent d98bf3c
commit 981e35b
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/lib/commands.js b/lib/commands.js
@@ -58,10 +58,9 @@ var commands = module.exports.commands = [
 ]
 
 module.exports.isCommand = function(command) {
-  command = command.toLowerCase()
-  for (var i=0, len=commands.length; i<len; i++) {
-    if (commands[i].toLowerCase() === command) {
-        return true
-    }
-  }
+    command = command.toLowerCase();
+    var lowerCaseCommands = commands.map(function (item) {
+        return item.toLowerCase();
+    });
+    return lowerCaseCommands.indexOf(command) !== -1 ? true : false;
 }