server lock using sessionStorage

SomajitDey · Sep 19, 2024 · 9a478cd · 9a478cd
1 parent fb23079
commit 9a478cd
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/app/server.js b/app/server.js
@@ -103,9 +103,13 @@ function config() {
 }
 
 function startWorker() {
-    if (myWorker) {
+    if (myWorker || sessionStorage.getItem("server")) {
+        alert('Another server is already running. Only one server can run at a time.');
         return;
+    } else {
+        sessionStorage.setItem("server", "live");
     }
+
     myWorker = new Worker("app/bg-worker.js");
 
     // Register handler for messages from the background worker
@@ -146,6 +150,7 @@ function stopWorker() {
     }
     myWorker.terminate();
     myWorker = null;
+    sessionStorage.removeItem("server");
     console.log("Worker terminated");
     toggleServer.value = "Launch Server"
     logThis("Server stopped");

diff --git a/index.html b/index.html
@@ -50,11 +50,11 @@ <h3>About</h3>
                                 </p>
                                 <pre><code class="language-html">
 &lt;!-- Replace XXXXX with the form action URL given by this app upon sign up` --&gt;
-&lt;form action=&quot;XXXXX&quot; method=&quot;POST&quot; target=&quot;hidden_iframe&quot; autocomplete=&quot;on&quot;&gt;
+&lt;form action=&quot;XXXXX&quot; method=&quot;POST&quot; target=&quot;hidden_iframe&quot;&gt;
     &lt;input type=&quot;hidden&quot; name=&quot;From&quot; value=&quot;sample&quot;&gt;
     &lt;input type=&quot;email&quot; name=&quot;Email&quot; placeholder=&quot;Your Email&quot;&gt;
     &lt;input type=&quot;text&quot; name=&quot;Name&quot; placeholder=&quot;Your Name&quot;&gt;
-    &lt;input type=&quot;text&quot; name=&quot;Message&quot; placeholder=&quot;Your Message&quot; autocomplete=&quot;off&quot;&gt;
+    &lt;input type=&quot;text&quot; name=&quot;Message&quot; placeholder=&quot;Your Message&quot;&gt;
     &lt;button type=&quot;submit&quot;&gt;Submit&lt;button&gt;
     &lt;input type=&quot;reset&quot;&gt;Reset&lt;button&gt;
 &lt;/form&gt;
@@ -102,7 +102,9 @@ <h3>Setup</h3>
                                 <h3>Server</h3>
                                 <div id="formActionURL"></div>
                                 <div id="testForm">
-                                    <p>Test if everything is working properly with the following sample form. You should get a Telegram message upon clicking Post! Your posted data should also be logged below.</p>
+                                    <p>Test if everything is working properly with the following sample form (embed in your own website with 
+                                    <button onclick="spaGoTo('about');">this code</button>). You should get a Telegram message upon clicking Post! Your posted data 
+                                    should also be logged below.</p>
                                     <form method="POST" target="hidden_iframe">
                                         <input type="hidden" name="From" value="tester">
                                         <div class="row mt-2">