From f84a093b967e26937efa56f962834abbd3eb1ded Mon Sep 17 00:00:00 2001
From: HelloGravity <yaron.mic@gmail.com>
Date: Sat, 7 Nov 2015 17:20:59 +0200
Subject: [PATCH] fixed the overlay disappearing when starting a modal from
 another modal bug

---
 lib/modal-native.js | 29 +++++++++++++----------------
 1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/lib/modal-native.js b/lib/modal-native.js
index a4bb82a7..80da0ac5 100644
--- a/lib/modal-native.js
+++ b/lib/modal-native.js
@@ -70,7 +70,7 @@
         clearTimeout(self.modal.getAttribute('data-timer'));
         this.timer = setTimeout( function() {
 
-            if ( self.overlay !== null ) {
+            if (self.overlay) {
                 self._resize();
                 self.overlay.className += ' in';
             }
@@ -88,7 +88,7 @@
         this.modal.className = this.modal.className.replace(' in','');
         this.modal.setAttribute('aria-hidden', true);
 
-        if ( this.overlay ) { this.overlay.className = this.overlay.className.replace(' in',''); }
+        if (this.overlay) { this.overlay.className = this.overlay.className.replace(' in',''); }
         document.body.className = document.body.className.replace(' modal-open','');
 
         clearTimeout(self.modal.getAttribute('data-timer'));
@@ -106,21 +106,18 @@
     }
 
     Modal.prototype.createOverlay = function() {
-        var backdrop = document.createElement('div'), overlay = document.querySelector('.modal-backdrop');
+        if (this.overlay) 
+            return;
+        var backdrop = document.createElement('div');
         backdrop.setAttribute('class','modal-backdrop fade');
-
-        if ( overlay ) {
-            this.overlay = overlay;
-        } else {
-            this.overlay = backdrop;
-            document.body.appendChild(backdrop);
-        }
+        document.body.appendChild(backdrop);
+        this.overlay = backdrop;
     }
 
     Modal.prototype.removeOverlay = function() {
-        var overlay = document.querySelector('.modal-backdrop');
-        if ( overlay !== null && overlay !== undefined ) {
-            document.body.removeChild(overlay)
+        if (this.overlay) {
+            document.body.removeChild(this.overlay);
+            this.overlay = null;
         }
     }
 
@@ -148,11 +145,11 @@
         }
     }
 
-    Modal.prototype._resize = function() {
-        var self = this, overlay = this.overlay||document.querySelector('.modal-backdrop'),
+    Modal.prototype._resize = function(){ 
+        var self = this, overlay = this.overlay,
             dim = { w: document.documentElement.clientWidth + 'px', h: document.documentElement.clientHeight + 'px' };
         setTimeout(function() {
-            if ( overlay !== null && /in/.test(overlay.className) ) {
+            if ( overlay && /in/.test(overlay.className) ) {
                 overlay.style.height = dim.h; overlay.style.width = dim.w
             }
         }, self.options.duration/2)