extension console logs only in debug mode

extension/content.js

@@ -30,6 +30,67 @@ function isOnReelsPage() {
   }
 }
 
+let debugLoggingEnabled = false;
+
+const originalConsoleLog = console.log.bind(console);
+const originalConsoleDebug = console.debug ? console.debug.bind(console) : null;
+const originalConsoleInfo = console.info ? console.info.bind(console) : null;
+
+function shouldSuppressTrackerLog(args) {
+  if (!args || args.length === 0) {
+    return false;
+  }
+  const [first] = args;
+  if (typeof first === 'string' && first.startsWith('[FB Tracker]')) {
+    return !debugLoggingEnabled;
+  }
+  return false;
+}
+
+console.log = (...args) => {
+  if (shouldSuppressTrackerLog(args)) {
+    return;
+  }
+  originalConsoleLog(...args);
+};
+
+if (originalConsoleDebug) {
+  console.debug = (...args) => {
+    if (shouldSuppressTrackerLog(args)) {
+      return;
+    }
+    originalConsoleDebug(...args);
+  };
+}
+
+if (originalConsoleInfo) {
+  console.info = (...args) => {
+    if (shouldSuppressTrackerLog(args)) {
+      return;
+    }
+    originalConsoleInfo(...args);
+  };
+}
+
+function applyDebugLoggingPreference(value) {
+  debugLoggingEnabled = Boolean(value);
+  if (debugLoggingEnabled) {
+    originalConsoleLog('[FB Tracker] Debug logging enabled');
+  }
+}
+
+chrome.storage.sync.get(['debugLoggingEnabled'], (result) => {
+  applyDebugLoggingPreference(result && typeof result.debugLoggingEnabled !== 'undefined'
+    ? result.debugLoggingEnabled
+    : false);
+});
+
+chrome.storage.onChanged.addListener((changes, area) => {
+  if (area === 'sync' && changes && Object.prototype.hasOwnProperty.call(changes, 'debugLoggingEnabled')) {
+    applyDebugLoggingPreference(changes.debugLoggingEnabled.newValue);
+  }
+});
+
 function getTrackerElementForPost(postElement) {
   if (!postElement) {
     return null;