fix: resolve container width issues, spa redirects, and appearance settings overwrite. feat: enhance order/sub details and newsletter layout

admin-spa/src/lib/html-to-markdown.ts

@@ -8,11 +8,27 @@ export function htmlToMarkdown(html: string): string {
 
   let markdown = html;
 
-  // Headings
-  markdown = markdown.replace(/<h1>(.*?)<\/h1>/gi, '# $1\n\n');
-  markdown = markdown.replace(/<h2>(.*?)<\/h2>/gi, '## $1\n\n');
-  markdown = markdown.replace(/<h3>(.*?)<\/h3>/gi, '### $1\n\n');
-  markdown = markdown.replace(/<h4>(.*?)<\/h4>/gi, '#### $1\n\n');
+  // Store aligned headings for preservation
+  const alignedHeadings: { [key: string]: string } = {};
+  let headingIndex = 0;
+
+  // Process headings with potential style attributes
+  for (let level = 1; level <= 4; level++) {
+    const hashes = '#'.repeat(level);
+    markdown = markdown.replace(new RegExp(`<h${level}([^>]*)>(.*?)</h${level}>`, 'gis'), (match, attrs, content) => {
+      // Check for text-align in style attribute
+      const alignMatch = attrs.match(/text-align:\s*(center|right)/i);
+      if (alignMatch) {
+        const align = alignMatch[1].toLowerCase();
+        const placeholder = `[[HEADING${headingIndex}]]`;
+        alignedHeadings[placeholder] = `<h${level} style="text-align: ${align};">${content}</h${level}>`;
+        headingIndex++;
+        return placeholder + '\n\n';
+      }
+      // No alignment, convert to markdown
+      return `${hashes} ${content}\n\n`;
+    });
+  }
 
   // Bold
   markdown = markdown.replace(/<strong>(.*?)<\/strong>/gi, '**$1**');
@@ -100,6 +116,11 @@ export function htmlToMarkdown(html: string): string {
     markdown = markdown.replace(placeholder, html);
   });
 
+  // Restore aligned headings
+  Object.entries(alignedHeadings).forEach(([placeholder, html]) => {
+    markdown = markdown.replace(placeholder, html);
+  });
+
   // Clean up excessive newlines
   markdown = markdown.replace(/\n{3,}/g, '\n\n');