From 7bc8b3cc63ae138e925b3609efbe66bd9cd0baab Mon Sep 17 00:00:00 2001
From: Jerome Brunel <jb.jeromebrunel@gmail.com>
Date: Mon, 16 Nov 2015 23:53:15 +0100
Subject: [PATCH] Added counter counting how many times it has been started

---
 nprogress.js | 43 ++++++++++++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/nprogress.js b/nprogress.js
index b23b300..51b1ced 100644
--- a/nprogress.js
+++ b/nprogress.js
@@ -54,6 +54,12 @@
 
   NProgress.status = null;
 
+  /**
+   * How many times it's been started
+   */
+
+  NProgress.count = 0;
+
   /**
    * Sets the progress bar status, where `n` is a number from `0.0` to `1.0`.
    *
@@ -83,16 +89,16 @@
 
       if (n === 1) {
         // Fade out
-        css(progress, { 
-          transition: 'none', 
-          opacity: 1 
+        css(progress, {
+          transition: 'none',
+          opacity: 1
         });
         progress.offsetWidth; /* Repaint */
 
         setTimeout(function() {
-          css(progress, { 
-            transition: 'all ' + speed + 'ms linear', 
-            opacity: 0 
+          css(progress, {
+            transition: 'all ' + speed + 'ms linear',
+            opacity: 0
           });
           setTimeout(function() {
             NProgress.remove();
@@ -108,7 +114,7 @@
   };
 
   NProgress.isStarted = function() {
-    return typeof NProgress.status === 'number';
+    return NProgress.count > 0;
   };
 
   /**
@@ -121,6 +127,8 @@
   NProgress.start = function() {
     if (!NProgress.status) NProgress.set(0);
 
+    NProgress.count++;
+
     var work = function() {
       setTimeout(function() {
         if (!NProgress.status) return;
@@ -147,6 +155,8 @@
    */
 
   NProgress.done = function(force) {
+    NProgress.count = 0;
+
     if (!force && !NProgress.status) return this;
 
     return NProgress.inc(0.3 + 0.5 * Math.random()).set(1);
@@ -220,7 +230,7 @@
     if (NProgress.isRendered()) return document.getElementById('nprogress');
 
     addClass(document.documentElement, 'nprogress-busy');
-    
+
     var progress = document.createElement('div');
     progress.id = 'nprogress';
     progress.innerHTML = Settings.template;
@@ -229,7 +239,7 @@
         perc     = fromStart ? '-100' : toBarPerc(NProgress.status || 0),
         parent   = document.querySelector(Settings.parent),
         spinner;
-    
+
     css(bar, {
       transition: 'all 0 linear',
       transform: 'translate3d(' + perc + '%,0,0)'
@@ -340,7 +350,7 @@
 
   var queue = (function() {
     var pending = [];
-    
+
     function next() {
       var fn = pending.shift();
       if (fn) {
@@ -355,10 +365,10 @@
   })();
 
   /**
-   * (Internal) Applies css properties to an element, similar to the jQuery 
+   * (Internal) Applies css properties to an element, similar to the jQuery
    * css method.
    *
-   * While this helper does assist with vendor prefixed property names, it 
+   * While this helper does assist with vendor prefixed property names, it
    * does not perform any manipulation of values prior to setting styles.
    */
 
@@ -399,7 +409,7 @@
 
     return function(element, properties) {
       var args = arguments,
-          prop, 
+          prop,
           value;
 
       if (args.length == 2) {
@@ -430,7 +440,7 @@
     var oldList = classList(element),
         newList = oldList + name;
 
-    if (hasClass(oldList, name)) return; 
+    if (hasClass(oldList, name)) return;
 
     // Trim the opening space.
     element.className = newList.substring(1);
@@ -454,8 +464,8 @@
   }
 
   /**
-   * (Internal) Gets a space separated list of the class names on the element. 
-   * The list is wrapped with a single space on each end to facilitate finding 
+   * (Internal) Gets a space separated list of the class names on the element.
+   * The list is wrapped with a single space on each end to facilitate finding
    * matches within the list.
    */
 
@@ -473,4 +483,3 @@
 
   return NProgress;
 });
-