typography style updates; sort rss by publish date

src/build-files/rss.ts

@@ -6,6 +6,7 @@ import { write_text } from '../fs';
 import { AuthorConfig, app_version } from '../conf';
 import { map_output_file_to_url } from './helpers';
 import { DateTime } from 'luxon';
+import { FileMetadata } from '../metadata';
 
 export interface RSSEntry {
 	url: string;
@@ -84,11 +85,21 @@ export async function write_rss_if_needed(state: BuildState) {
 		// channel.ele('image').txt('');
 		// channel.ele('skipHours').txt('');
 		// channel.ele('skipDays').txt('');
+
+		let entries: (RSSEntry & { metadata: FileMetadata, first_seen: number })[] = [ ];
 	
 		for (const entry of state.rss[index] || [ ]) {
-			const item = channel.ele('item');
 			const in_file = entry.in_file.slice(state.conf.input.root.length);
 			const metadata = state.new_metadata.files[in_file];
+			entries.push({ ...entry, metadata, first_seen: DateTime.fromISO(metadata.first_seen_time).toUnixInteger() });
+		}
+
+		entries = entries.sort((a, b) => {
+			return b.first_seen - a.first_seen;
+		});
+
+		for (const entry of entries) {
+			const item = channel.ele('item');
 	
 			item.ele('link').txt(entry.url);
 
@@ -111,7 +122,7 @@ export async function write_rss_if_needed(state: BuildState) {
 			}
 	
 			item.ele('guid').txt(entry.url);
-			item.ele('pubDate').txt(DateTime.fromISO(metadata.first_seen_time).toRFC2822());
+			item.ele('pubDate').txt(DateTime.fromISO(entry.metadata.first_seen_time).toRFC2822());
 
 			if (entry.html_content) {
 				item.ele('content:encoded').ele({ $: entry.html_content });