[FA-misc] Switches to using DTOs, updates frontend with details and reader page, updates novel import to be an upsert

fictionarchive-web-astro/src/lib/utils/sanitizeChapter.ts

@@ -0,0 +1,74 @@
+import DOMPurify from 'isomorphic-dompurify';
+
+/**
+ * Sanitizes chapter HTML content with extended allowed tags.
+ * More permissive than the description sanitizer to support
+ * formatted novel content including headings, lists, and images.
+ */
+export function sanitizeChapterHtml(html: string): string {
+	return DOMPurify.sanitize(html, {
+		ALLOWED_TAGS: [
+			// Basic formatting
+			'b',
+			'i',
+			'em',
+			'strong',
+			'u',
+			's',
+			'strike',
+			'del',
+			'ins',
+			// Structure
+			'p',
+			'br',
+			'hr',
+			'div',
+			'span',
+			// Headings
+			'h1',
+			'h2',
+			'h3',
+			'h4',
+			'h5',
+			'h6',
+			// Lists
+			'ul',
+			'ol',
+			'li',
+			// Quotes
+			'blockquote',
+			'q',
+			'cite',
+			// Preformatted
+			'pre',
+			'code',
+			// Ruby (for Asian language annotations)
+			'ruby',
+			'rt',
+			'rp',
+			// Images
+			'img',
+			// Tables
+			'table',
+			'thead',
+			'tbody',
+			'tr',
+			'th',
+			'td'
+		],
+		ALLOWED_ATTR: [
+			// Image attributes
+			'src',
+			'alt',
+			'title',
+			'width',
+			'height',
+			// Table attributes
+			'colspan',
+			'rowspan',
+			// Generic styling (limited)
+			'class'
+		],
+		ALLOW_DATA_ATTR: false
+	});
+}