feat: auto dismiss the last maxOpened toasts

For example, when `maxOpened: 1`, always show the newest toast regardless of
timeouts.

Closes #76.

Author: tlvince

README.md

@@ -122,6 +122,7 @@ app.config(function(toastrConfig) {
       warning: 'toast-warning'
     },
     maxOpened: 0,
+    autoDismiss: false,
     messageClass: 'toast-message',
     newestOnTop: true,
     onHidden: null,
@@ -151,6 +152,7 @@ Those are the default values, you can pick what you need from it and override wi
 * **extendedTimeOut**: The timeout after you hover a toast.
 * **iconClasses**: The default type classes for the different toasts.
 * **maxOpened**: Maximum number of toasts displayed at once.
+* **autoDismiss** If set, show only the most recent `maxOpened` toast(s)
 * **messageClass**: The class for the toast's message.
 * **newestOnTop**: Add new toasts on top of the old one. Put on false to put them on the bottom.
 * **onHidden**: A callback function called when a toast gets hidden.

dist/angular-toastr.js

@@ -144,6 +144,13 @@
 
       toasts.push(newToast);
 
+      if (options.autoDismiss && options.maxOpened > 0) {
+        var oldToasts = toasts.slice(0, (toasts.length - options.maxOpened));
+        for (var i = 0, len = oldToasts.length; i < len; i++) {
+          remove(oldToasts[i].toastId);
+        }
+      }
+
       if (maxOpenedNotReached()) {
         newToast.open.resolve();
       }
@@ -264,6 +271,7 @@
         warning: 'toast-warning'
       },
       maxOpened: 0,
+      autoDismiss: false,
       messageClass: 'toast-message',
       newestOnTop: true,
       onHidden: null,

dist/angular-toastr.min.js

@@ -144,6 +144,13 @@
 
       toasts.push(newToast);
 
+      if (options.autoDismiss && options.maxOpened > 0) {
+        var oldToasts = toasts.slice(0, (toasts.length - options.maxOpened));
+        for (var i = 0, len = oldToasts.length; i < len; i++) {
+          remove(oldToasts[i].toastId);
+        }
+      }
+
       if (maxOpenedNotReached()) {
         newToast.open.resolve();
       }
@@ -264,6 +271,7 @@
         warning: 'toast-warning'
       },
       maxOpened: 0,
+      autoDismiss: false,
       messageClass: 'toast-message',
       newestOnTop: true,
       onHidden: null,