sysend - npm Package Compare versions

Comparing version 1.17.2 to 1.17.3

package.json

 {
   "name": "sysend",
-  "version": "1.17.2",
+  "version": "1.17.3",
   "description": "Communication and Synchronization between browser tabs/windows. Works cross-domain.",
@@ -5,0 +5,0 @@ "main": "sysend.js",

README.md

@@ -5,4 +5,4 @@ <p align="center">
 
-[![npm](https://img.shields.io/badge/npm-1.17.2-blue.svg)](https://www.npmjs.com/package/sysend)
-![bower](https://img.shields.io/badge/bower-1.17.2-yellow.svg)
+[![npm](https://img.shields.io/badge/npm-1.17.3-blue.svg)](https://www.npmjs.com/package/sysend)
+![bower](https://img.shields.io/badge/bower-1.17.3-yellow.svg)
 ![downloads](https://img.shields.io/npm/dt/sysend.svg)
@@ -302,3 +302,3 @@ [![jsdelivr](https://img.shields.io/jsdelivr/npm/hm/sysend)](https://www.jsdelivr.com/package/npm/sysend)
 
-Copyright (C) 2014-2023 [Jakub T. Jankiewicz](https://jcubic.pl/me)<br/>
+Copyright (C) 2014 [Jakub T. Jankiewicz](https://jcubic.pl/me)<br/>
 Released under the [MIT license](https://opensource.org/licenses/MIT)
@@ -305,0 +305,0 @@

sysend.d.ts

 /**@license
- *  sysend.js - send messages between browser windows/tabs version 1.17.1
+ *  sysend.js - send messages between browser windows/tabs version 1.17.3
  *
- *  Copyright (C) 2014-2023 Jakub T. Jankiewicz <https://jcubic.pl/me>
+ *  Copyright (C) 2014 Jakub T. Jankiewicz <https://jcubic.pl/me>
  *  Released under the MIT license
@@ -32,9 +32,4 @@ *
 
-//Promise<Record<string, (id: string, ...args: T) => Promise<U>>;
-
-//type RPC<args extend Array
-
-
 declare const sysend: Sysend;
 
 export default sysend;

sysend.js

 /**@license
- *  sysend.js - send messages between browser windows/tabs version 1.17.2
+ *  sysend.js - send messages between browser windows/tabs version 1.17.3
  *
- *  Copyright (C) 2014-2023 Jakub T. Jankiewicz <https://jcubic.pl/me>
+ *  Copyright (C) 2014 Jakub T. Jankiewicz <https://jcubic.pl/me>
  *  Released under the MIT license
@@ -90,3 +90,3 @@ *
         serializer: function(to, from) {
-            if (typeof to !== 'function' || typeof from !== 'function') {
+            if (!(is_function(to) && is_function(from))) {
                 throw new Error('sysend::serializer: Invalid argument, expecting' +
@@ -101,5 +101,14 @@ ' function');
             args.forEach(function(url) {
-                if (typeof url === 'string' && host(url) !== window.location.host) {
+                if (is_string(url) && host(url) !== window.location.host) {
                     domains = domains || [];
-                    domains.push(origin(url));
+                    var orig = origin(url);
+                    if (domains.includes(orig)) {
+                        var selector = 'iframe[src="' + url + '"]';
+                        if (document.querySelector(selector)) {
+                            warn('You already called proxy on ' + url +
+                                 ' you only need to call this function once');
+                            return;
+                        }
+                    }
+                    domains.push(orig);
                     var iframe = document.createElement('iframe');
@@ -329,7 +338,2 @@ iframe.style.width = iframe.style.height = 0;
     // -------------------------------------------------------------------------
-    function is_promise(obj) {
-        return obj && typeof object == 'object' &&
-            typeof object.then === 'function';
-    }
-    // -------------------------------------------------------------------------
     function unpromise(obj, callback, error = null) {
@@ -418,2 +422,14 @@ if (is_promise(obj)) {
     // -------------------------------------------------------------------------
+    function is_promise(obj) {
+        return obj && typeof object == 'object' && is_function(object.then);
+    }
+    // -------------------------------------------------------------------------
+    function is_function(o) {
+        return typeof o === 'function';
+    }
+    // -------------------------------------------------------------------------
+    function is_string(o) {
+        return typeof o === 'string';
+    }
+    // -------------------------------------------------------------------------
     function is_internal(name) {
@@ -426,5 +442,9 @@ return name.match(prefix_re);
     function is_sysend_post_message(e) {
-        return typeof e.data === 'string' && is_internal(e.data);
+        return is_string(e.data) && is_internal(e.data);
     }
     // -------------------------------------------------------------------------
+    function is_secured_iframe() {
+        return is_proxy_iframe() && window.isSecureContext;
+    }
+    // -------------------------------------------------------------------------
     function is_valid_origin(origin) {
@@ -597,3 +617,3 @@ if (!domains) {
         }
-        if (typeof document.addEventListener === 'function' && hidden) {
+        if (is_function(document.addEventListener) && hidden) {
             document.addEventListener(visibilityChange, function() {
@@ -853,4 +873,4 @@ trigger(handlers.visbility, !document[hidden]);
     function init() {
-        if (typeof window.BroadcastChannel === 'function') {
-            if (is_proxy_iframe() && document.requestStorageAccess) {
+        if (is_function(window.BroadcastChannel)) {
+            if (is_secured_iframe() && document.requestStorageAccess) {
                 document.requestStorageAccess({
@@ -857,0 +877,0 @@ all: true

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Improved metrics

Total package byte prevSize

51862

increased by1.48%

Lines of code

897

increased by2.05%

No dependency changes