fixed book headings being reduced in blog posts

node/blog.js

@@ -50,7 +50,7 @@ fs.readFile(`${folder}index.html`, function (_, html) {
                 let content;
                 if (post.book) {
                     document.head.innerHTML += /*html*/ `<link rel="stylesheet" href="../style/book.css">`;
-                    content = util.extractBookData(file, post);
+                    content = util.extractBookData(file, post, true);
                 } else {
                     content = converter.makeHtml(file.toString());
                 }

node/rss.js

@@ -43,7 +43,7 @@ function createFeed(callback) {
             const index = i;
             let extension = post.book ? "html" : "md";
             fs.readFile(`${__dirname}/../blog/src/${post.id}.${extension}`, function (_, file) {
-                let content = post.book ? util.extractBookData(file, post) : converter.makeHtml(file.toString());
+                let content = post.book ? util.extractBookData(file, post, false) : converter.makeHtml(file.toString());
                 feed.addItem({
                     title: `${post.name}${post.archived ? " (Archived)" : ""}`,
                     link: `https://ellpeck.de/blog/${post.id}`,

node/util.js

@@ -13,19 +13,21 @@ exports.showdown = function (headerLevel) {
     });
 };
 
-exports.extractBookData = function (file, post) {
+exports.extractBookData = function (file, post, reduceHeadings) {
     let html = new JSDOM(file);
     let page = html.window.document.getElementById("page");
     // remove header section
     let header = page.getElementsByTagName("header");
     while (header.length > 0)
         header[0].parentNode.removeChild(header[0]);
+    if (reduceHeadings) {
         // reduce all headings by 1
         for (let h = 5; h >= 1; h--) {
             let heading = page.getElementsByTagName(`h${h}`);
             while (heading.length > 0)
                 this.changeTag(heading[0], `h${h+1}`);
         }
+    }
 
     return /*html*/ `
         ${post.prompt ? /*html*/ `<p><i>This story was inspired by a Reedsy Prompt and submitted to their competition. As such, it has also been published on <a href="${post.prompt}">their website</a>.</i></p>` : ""}