extract some stuff to utility class

node/blog.js

@@ -2,7 +2,8 @@ const {
     JSDOM
 } = require("jsdom");
 const fs = require("fs");
-const converter = require("./showdown")(2);
+const util = require("./util");
+const converter = util.showdown(2);
 
 const folder = `${__dirname}/../`;
 console.log("Refreshing blog sub-sites...");
@@ -17,10 +18,8 @@ fs.readFile(`${folder}index.html`, function (_, html) {
     let elements = templateDom.window.document.getElementsByTagName("*");
     for (let i = 0; i < elements.length; i++) {
         let element = elements[i];
-        if (element.src && element.src.startsWith("./"))
-            element.src = `../${element.src.substring(2)}`;
-        if (element.href && element.href.startsWith("./"))
-            element.href = `../${element.href.substring(2)}`;
+        util.replaceRelativeLinks(element, "src");
+        util.replaceRelativeLinks(element, "href");
     }
     const template = templateDom.serialize();
 
@@ -51,16 +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">`;
-                    // pull the actual content from the crowbook export
-                    let html = new JSDOM(file);
-                    let page = html.window.document.getElementById("page");
-                    let header = page.getElementsByTagName("header");
-                    while (header.length > 0)
-                        header[0].parentNode.removeChild(header[0]);
-                    content = /*html*/ `
-                        ${post.prompt ? /*html*/ `<p class="meta-info"><i>This story was inspired by a Reedsy Prompt and submitted to their competition. As such, it has also been published on <a href="${post.prompt}">their website</a>.</i></p>` : ""}
-                        ${page.outerHTML}
-                    `;
+                    content = util.extractBookData(file, post);
                 } else {
                     content = converter.makeHtml(file.toString());
                 }

node/rss.js

@@ -1,11 +1,9 @@
 const {
     Feed
 } = require("feed");
-const {
-    JSDOM
-} = require("jsdom");
 const fs = require("fs");
-const converter = require("./showdown")(1);
+const util = require("./util");
+const converter = util.showdown(1);
 
 let folder = `${__dirname}/../`;
 console.log("Refreshing feeds...");
@@ -45,17 +43,7 @@ function createFeed(callback) {
             const index = i;
             let extension = post.book ? "html" : "md";
             fs.readFile(`${__dirname}/../blog/src/${post.id}.${extension}`, function (_, file) {
-                let content;
-                if (post.book) {
-                    let html = new JSDOM(file);
-                    let page = html.window.document.getElementById("page");
-                    let header = page.getElementsByTagName("header");
-                    while (header.length > 0)
-                        header[0].parentNode.removeChild(header[0]);
-                    content = page.innerHTML;
-                } else {
-                    content = converter.makeHtml(file.toString());
-                }
+                let content = post.book ? util.extractBookData(file, post) : converter.makeHtml(file.toString());
                 feed.addItem({
                     title: `${post.name}${post.archived ? " (Archived)" : ""}`,
                     link: `https://ellpeck.de/blog/${post.id}`,

node/showdown.js

@@ -1,10 +0,0 @@
-const showdown = require("showdown");
-require("./lib/showdown-prettify");
-require("./lib/showdown-footnotes");
-module.exports = function (headerLevel) {
-    return new showdown.Converter({
-        parseImgDimensions: true,
-        headerLevelStart: headerLevel,
-        extensions: ["prettify", "footnotes"]
-    });
-};

node/util.js

@@ -0,0 +1,31 @@
+const {
+    JSDOM
+} = require("jsdom");
+const showdown = require("showdown");
+require("./lib/showdown-prettify");
+require("./lib/showdown-footnotes");
+
+module.exports = {
+    extractBookData: function (file, post) {
+        let html = new JSDOM(file);
+        let page = html.window.document.getElementById("page");
+        let header = page.getElementsByTagName("header");
+        while (header.length > 0)
+            header[0].parentNode.removeChild(header[0]);
+        return /*html*/ `
+            ${post.prompt ? /*html*/ `<p class="meta-info"><i>This story was inspired by a Reedsy Prompt and submitted to their competition. As such, it has also been published on <a href="${post.prompt}">their website</a>.</i></p>` : ""}
+            ${page.outerHTML}
+        `;
+    },
+    replaceRelativeLinks: function (element, tag) {
+        if (element[tag] && element[tag].startsWith("./"))
+            element[tag] = `../${element[tag].substring(2)}`;
+    },
+    showdown: function (headerLevel) {
+        return new showdown.Converter({
+            parseImgDimensions: true,
+            headerLevelStart: headerLevel,
+            extensions: ["prettify", "footnotes"]
+        });
+    }
+};