From 9d6a39883c0cee7de74574e3ae4947ea63f5eb75 Mon Sep 17 00:00:00 2001
From: Kara <lunarautomaton6@gmail.com>
Date: Tue, 12 Sep 2023 02:56:24 -0500
Subject: [PATCH] firefox debugger

---
 .vscode/launch.json | 16 ++++++++++++++++
 scripts/sidebar.js  |  3 +++
 2 files changed, 19 insertions(+)
 create mode 100644 .vscode/launch.json

diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 000000000..12cc95a95
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,16 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Launch localhost",
+            "type": "firefox",
+            "request": "launch",
+            "reAttach": true,
+            "url": "http://localhost:3000/index.html",
+            "webRoot": "${workspaceFolder}/book"
+        },
+    ]
+}
\ No newline at end of file
diff --git a/scripts/sidebar.js b/scripts/sidebar.js
index 1c821ef25..5f1352cdf 100644
--- a/scripts/sidebar.js
+++ b/scripts/sidebar.js
@@ -22,6 +22,9 @@ var updateFunction = function() {
         el.classList.remove("active");
     });
 
+    if (id == undefined)
+        return;
+
     Array.prototype.forEach.call(document.getElementsByClassName("pagetoc")[0].children, function(el) {
         if (id.href.localeCompare(el.href) == 0) {
             el.classList.add("active");