From ea328ef9d12ed7b3c7261e07eb665b88461868f7 Mon Sep 17 00:00:00 2001
From: jensmohr <lha643@jensmohr.de>
Date: Tue, 26 May 2026 17:12:55 +0200
Subject: [PATCH] Extract shared binary utility helpers into VG-Core

---
 manifest.json            |  1 +
 src/background.js        | 27 ---------------------------
 src/core/binary-utils.js | 26 ++++++++++++++++++++++++++
 3 files changed, 27 insertions(+), 27 deletions(-)
 create mode 100644 src/core/binary-utils.js

diff --git a/manifest.json b/manifest.json
index 0f6aaf4..a5516a7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -35,6 +35,7 @@
     "src/background/request-fingerprint.js",
     "src/background/request-observer.js",
     "src/background/gvl-service.js",
+    "src/core/binary-utils.js",
     "src/background.js"
   ]
 },
diff --git a/src/background.js b/src/background.js
index 3d133a5..171fc21 100644
--- a/src/background.js
+++ b/src/background.js
@@ -532,33 +532,6 @@ function decodeTcStringCoreMetadata(tcString) {
   }
 }
 
-function base64UrlToBits(value) {
-  const base64 = value
-    .replace(/-/g, "+")
-    .replace(/_/g, "/")
-    .padEnd(Math.ceil(value.length / 4) * 4, "=");
-
-  const binary = atob(base64);
-  let bits = "";
-
-  for (let index = 0; index < binary.length; index += 1) {
-    bits += binary
-      .charCodeAt(index)
-      .toString(2)
-      .padStart(8, "0");
-  }
-
-  return bits;
-}
-
-function bitsToInt(bits, start, length) {
-  return parseInt(bits.slice(start, start + length), 2);
-}
-
-function bitsToBoolean(bits, index) {
-  return bits[index] === "1";
-}
-
 function bitsToString(bits, start, length) {
   let result = "";
 
diff --git a/src/core/binary-utils.js b/src/core/binary-utils.js
new file mode 100644
index 0000000..da74189
--- /dev/null
+++ b/src/core/binary-utils.js
@@ -0,0 +1,26 @@
+function base64UrlToBits(value) {
+  const base64 = value
+    .replace(/-/g, "+")
+    .replace(/_/g, "/")
+    .padEnd(Math.ceil(value.length / 4) * 4, "=");
+
+  const binary = atob(base64);
+  let bits = "";
+
+  for (let index = 0; index < binary.length; index += 1) {
+    bits += binary
+      .charCodeAt(index)
+      .toString(2)
+      .padStart(8, "0");
+  }
+
+  return bits;
+}
+
+function bitsToInt(bits, start, length) {
+  return parseInt(bits.slice(start, start + length), 2);
+}
+
+function bitsToBoolean(bits, index) {
+  return bits[index] === "1";
+}