feat: add ePub generator script for blog posts

generate-epub.ts

@@ -0,0 +1,57 @@
+import { readFile } from 'fs/promises';
+import Epub from 'epub-gen';
+import { parseHTML } from 'linkedom';
+
+interface BlogPost {
+  title: string;
+  author: string;
+  content: string;
+  url: string;
+}
+
+async function generateEpub() {
+  // Read the scraped posts
+  const postsData = await readFile('posts.json', 'utf-8');
+  const posts: BlogPost[] = JSON.parse(postsData);
+
+  if (posts.length === 0) {
+    console.error('No posts found in posts.json');
+    return;
+  }
+
+  // Prepare ePub options
+  const options = {
+    title: 'Crónicas Periodísticas',
+    author: posts[0].author, // Using first post's author as main author
+    output: 'cronicas-periodisticas.epub',
+    content: [],
+    appendChapterTitles: true,
+    verbose: true
+  };
+
+  // Convert each post to ePub chapter format
+  for (const post of posts) {
+    const { document } = parseHTML(post.content);
+    
+    // Clean up content - remove unwanted elements if needed
+    const content = document.body.innerHTML;
+
+    options.content.push({
+      title: post.title,
+      author: post.author,
+      data: `
+        <h1>${post.title}</h1>
+        <p><em>Por ${post.author}</em></p>
+        ${content}
+        <p><a href="${post.url}">Publicación original</a></p>
+      `
+    });
+  }
+
+  // Generate the ePub
+  console.log(`Generating ePub with ${posts.length} posts...`);
+  await new Epub(options).promise;
+  console.log('ePub generated successfully!');
+}
+
+generateEpub().catch(console.error);