support for headless browser & changes on book api

src/scripts/books/book.js

@@ -130,7 +130,7 @@ async function loadChapters(idForFetch) {
     try {
 
         const fetchUrl = extensionName
-            ? `/api/book/${idForFetch}/chapters`
+            ? `/api/book/${idForFetch}/chapters?ext=${extensionName}`
             : `/api/book/${idForFetch}/chapters`;
 
         const res = await fetch(fetchUrl);
@@ -174,7 +174,7 @@ function populateProviderFilter() {
     if (providers.length > 0) {
         select.style.display = 'inline-block';
 
-        select.innerHTML = '<option value="all">All Providers</option>';
+        select.innerHTML = '';
 
         providers.forEach(prov => {
             const opt = document.createElement('option');
@@ -276,7 +276,9 @@ function updatePagination() {
 function openReader(bookId, chapterId, provider) {
     const c = encodeURIComponent(chapterId);
     const p = encodeURIComponent(provider);
-    window.location.href = `/read/${p}/${c}/${bookId}`;
+    let extension = "";
+    if (extensionName) extension = "?" + extensionName;
+    window.location.href = `/read/${p}/${c}/${bookId}${extension}`;
 }
 
 init();