sysend - npm Package Compare versions

Comparing version 1.1.0 to 1.2.0

package.json

 {
   "name": "sysend",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Send messages to other tabs/windows in the same origin and browser",
@@ -5,0 +5,0 @@ "main": "sysend.js",

README.md

@@ -0,1 +1,4 @@
+[![npm](https://img.shields.io/badge/npm-1.2.0-blue.svg)](https://www.npmjs.com/package/sysend)
+![bower](https://img.shields.io/badge/bower-1.2.0-yellow.svg)
+
 ## sysend.js
@@ -5,9 +8,13 @@
 open in the same browser. They need to be in same domain. The library don't use
-any dependencies and use HTML5 LocalStorage API. You can send any object that
-can be serialized to JSON or just send empty notification.
+any dependencies and use HTML5 LocalStorage API or BroadcastChannel API.
+If your browser don't support BroadcastChannel (see [Can I Use](https://caniuse.com/#feat=broadcastchannel))
+then you can send any object that can be serialized to JSON with BroadcastChannel you can send any object
+(it will not be serialized to string). You can also send empty notification.
 
+
 Tested on:
 
 GNU/Linux: in Chromium 34, FireFox 29, Opera 12.16 (64bit)<br/>
-Windows 10 64bit: in IE11 and Edge 38
+Windows 10 64bit: in IE11 and Edge 38, Chrome 56, Firefox 51<br/>
+MacOS X El Captain: Safari 9, Chrome 56, Firefox 51
 
@@ -29,2 +36,5 @@ ## Instalation
 
+you can also get it from [unpkg.com CDN](https://unpkg.com/sysend)
+
+
 ## Usage
@@ -49,3 +59,3 @@
 
-The demo also use iframe proxy to send message to different domain
+The demo also use iframe proxy to send message to different domain (on firefox you need to add CORS for the iframe see [Cross-Domain LocalStorage](https://jcubic.wordpress.com/2014/06/20/cross-domain-localstorage/))
 
@@ -62,3 +72,3 @@ ## API
 
-Copyright (C) 2014 [Jakub Jankiewicz](http://jcubic.pl)<br/>
+Copyright (C) 2014-2017 [Jakub Jankiewicz](http://jcubic.pl)<br/>
 Released under the [MIT license](https://opensource.org/licenses/MIT)
@@ -65,0 +75,0 @@

sysend.js

 /**@license
- *  sysend.js - send messages between browser windows/tabs
- *  Copyright (C) 2014 Jakub Jankiewicz <http://jcubic.pl>
+ *  sysend.js - send messages between browser windows/tabs version 1.2.0
  *
+ *  Copyright (C) 2014-2018 Jakub Jankiewicz <http://jcubic.pl/me>
  *  Released under the MIT license
  *
- *  The idea for this implementation came from this StackOverflow question:
+ *  The idea for localStorage implementation came from this StackOverflow question:
  *  http://stackoverflow.com/q/24182409/387194
+ *
  */
+/* global define, module, exports, localStorage, setTimeout */
 (function (root, factory) {
@@ -62,27 +64,47 @@ if (typeof define === 'function' && define.amd) {
     var callbacks = {};
-    window.addEventListener('storage', function(e) {
-        if (e.key.match(re)) {
-            var key = e.key.replace(re, '');
-            if (callbacks[key]) {
-                var value = e.newValue || get(key);
-                if (value != random_value) {
-                    var obj = JSON.parse(value);
-                    if (obj && obj[1] != random_value) {
-                        // don't call on remove
-                        callbacks[key].forEach(function(fn) {
-                            fn(obj[2], key);
-                        });
+    var index = 0;
+    var channel;
+    if (typeof window.BroadcastChannel === 'function') {
+        channel = new window.BroadcastChannel(uniq_prefix);
+        channel.addEventListener('message', function(event) {
+            if (event.target.name === uniq_prefix) {
+                var key = event.data && event.data.name;
+                if (callbacks[key]) {
+                    callbacks[key].forEach(function(fn) {
+                        fn(event.data.data, key);
+                    });
+                }
+            }
+        });
+    } else {
+        window.addEventListener('storage', function(e) {
+            // prevent event to be executed on remove in IE
+            if (e.key.match(re) && index++ % 2 === 0) {
+                var key = e.key.replace(re, '');
+                if (callbacks[key]) {
+                    var value = e.newValue || get(key);
+                    if (value && value != random_value) {
+                        var obj = JSON.parse(value);
+                        if (obj && obj[1] != random_value) {
+                            // don't call on remove
+                            callbacks[key].forEach(function(fn) {
+                                fn(obj[2], key);
+                            });
+                        }
                     }
                 }
             }
-        }
-        origin_page = false;
-    }, false);
+        }, false);
+    }
     return {
         broadcast: function(event, message) {
-            set(event, to_json(message));
-            // clean up localstorage
-            setTimeout(function() {
-                remove(event);
-            }, 0);
+            if (channel) {
+                channel.postMessage({name: event, data: message});
+            } else {
+                set(event, to_json(message));
+                // clean up localstorage
+                setTimeout(function() {
+                    remove(event);
+                }, 0);
+            }
         },
@@ -89,0 +111,0 @@ on: function(event, fn) {

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Improved metrics

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0

decreased by-100%

License quality

100

increased by42.86%

Lines of code

155

increased by16.54%

Number of lines in readme file

74

increased by15.63%

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Total package byte prevSize

12676

decreased by-71.33%

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