Add resetMs (milliseconds) result object

Readme.md

@@ -60,7 +60,8 @@ limit.get(function(err, limit){
 ## Result Object
  - `total` - `max` value
  - `remaining` - number of calls left in current `duration` without decreasing current `get`
- - `reset` - time since epoch in seconds that the rate limiting period will end (or already ended)
+ - `reset` - time since epoch in seconds at which the rate limiting period will end (or already ended)
+ - `resetMs` - time since epoch in milliseconds at which the rate limiting period will end (or already ended)
 
 ## Options
 

index.js

@@ -77,6 +77,7 @@ Limiter.prototype.get = function (fn) {
       fn(null, {
         remaining: count < max ? max - count : 0,
         reset: Math.floor((oldest + duration * 1000) / 1000000),
+        resetMs: Math.floor((oldest + duration * 1000) / 1000),
         total: max
       });
     });

test/index.js

@@ -70,6 +70,23 @@ var Limiter = require('..'),
       });
     });
 
+    describe('.resetMs', function() {
+      it('should represent the next reset time in UTC epoch milliseconds', function(done) {
+        var limit = new Limiter({
+          max: 5,
+          duration: 60000,
+          id: 'something',
+          db: db
+        });
+        limit.get(function(err, res) {
+          var left = res.resetMs - Date.now();
+          Number.isInteger(left).should.be.true;
+          left.should.be.within(0, 60000);
+          done();
+        });
+      });
+    });
+
     describe('when the limit is exceeded', function() {
       it('should retain .remaining at 0', function(done) {
         var limit = new Limiter({