Replace microtime with hrtime

Author: João Barbosa

index.js

@@ -3,7 +3,7 @@
  */
 
 var assert = require('assert');
-var microtime = require('microtime');
+var microtime = require('./microtime');
 
 /**
  * Expose `Limiter`.

microtime.js

@@ -0,0 +1,13 @@
+
+var time = Date.now() * 1e3;
+var start = process.hrtime();
+
+/**
+ * Expose `now`.
+ */
+
+module.exports.now = function() {
+  var diff = process.hrtime(start);
+
+  return time + diff[0] * 1e6 + Math.round(diff[1] * 1e-3);
+}

package.json

@@ -9,9 +9,7 @@
     "limiter",
     "limit"
   ],
-  "dependencies": {
-    "microtime": "^2.1.2"
-  },
+  "dependencies": {},
   "devDependencies": {
     "ioredis": "1.15.1",
     "mocha": "*",