small javascript code cleanup (#138)

* small javascript code cleanup

* formatting fixes. mycbmap renamed to callbacks.

Author: dryganets

lib/sqlite.core.js

@@ -550,7 +550,7 @@ SQLitePluginTransaction.prototype.handleStatementFailure = function(handler, res
 };
 
 SQLitePluginTransaction.prototype.run = function() {
-  var batchExecutes, handlerFor, i, mycbmap, request, tropts, tx, txFailure, waiting;
+  var batchExecutes, handlerFor, i, callbacks, request, tropts, tx, txFailure, waiting;
   txFailure = null;
   tropts = [];
   batchExecutes = this.executes;
@@ -588,39 +588,42 @@ SQLitePluginTransaction.prototype.run = function() {
       }
     };
   };
+  
   i = 0;
-  mycbmap = {};
+  callbacks = [];
   while (i < batchExecutes.length) {
     request = batchExecutes[i];
-    mycbmap[i] = {
+    callbacks.push({
       success: handlerFor(i, true),
       error: handlerFor(i, false)
-    };
+    });
     tropts.push({
       qid: 1111,
       sql: request.sql,
       params: request.params
     });
     i++;
   }
+
   let mysuccess = function(result) {
-    var j, last, q, r, ref, res, type;
+    var j, last, q, r, res, type;
     if (result.length == 0){
       return;
     }
     last = result.length - 1;
-    for (i = j = 0, ref = last; 0 <= ref ? j <= ref : j >= ref; i = 0 <= ref ? ++j : --j) {
-      r = result[i];
+    for (j = 0; j <= last; ++j) {
+      r = result[j];
       type = r.type;
       res = r.result;
-      q = mycbmap[i];
+      q = callbacks[j];
       if (q) {
         if (q[type]) {
           q[type](res);
         }
       }
     }
   };
+
   var myerror = function(error) {
     console.log("batch execution error: ",error);
   };
@@ -630,7 +633,7 @@ SQLitePluginTransaction.prototype.run = function() {
       dbname: this.db.dbname
     },
     executes: tropts
-  },mysuccess, myerror);
+  }, mysuccess, myerror);
 };
 
 SQLitePluginTransaction.prototype.abort = function(txFailure) {