feat(site): Choose site from a list for ease

Users don't need to write a full URL for enumerated sites.

.github/assets/example/feeds.toml

@@ -3,18 +3,30 @@ name = "list 1"
 
 [[lists.feeds]]
 title = "feed 1"
-xmlUrl = "https://feed1.com/rss"
+type = "rss"
+rssUrl = "https://feed1.com/rss"
 [[lists.feeds]]
 title = "feed 2"
-xmlUrl = "https://feed2.com/rss"
+type = "rss"
+rssUrl = "https://feed2.com/rss"
 
 
 [[lists]]
 name = "list 2"
 
 [[lists.feeds]]
-title = "feed 1"
-xmlUrl = "https://feed1.com/rss"
+title = "bluesky"
+type = "bluesky"
+id = "username"
 [[lists.feeds]]
-title = "feed 2"
-xmlUrl = "https://feed2.com/rss"
+title = "note"
+type = "note"
+id = "username"
+[[lists.feeds]]
+title = "reddit"
+type = "reddit"
+id = "subreddit-name"
+[[lists.feeds]]
+title = "sizu.me"
+type = "sizu.me"
+id = "username"

.gitignore

@@ -1,2 +1,4 @@
+feeds.toml
+outputs/
 /coverage
 /coverage.lcov

src/libs/convert.ts

@@ -1,12 +1,14 @@
 import { stringify } from "@libs/xml";
 import { parse } from "@std/toml";
+import { transcodeXmlUrl } from "./sites.ts";
 import type { Feed, List, Lists, OPMLOutline } from "../types/mod.ts";
 
 export function convertFromTOML(data: string): Lists {
  const lists: Lists = parse(data) as Lists;
  lists.lists.map((list: List) => {
  list.feeds.map((feed: Feed) => {
- feed.xmlUrl = new URL(feed.xmlUrl);
+ feed.rssUrl = new URL(feed.rssUrl as URL);
+ feed.xmlUrl = transcodeXmlUrl(feed.type, feed.rssUrl, feed.id);
  });
  });
  return lists;
@@ -18,7 +20,7 @@ export function convertToOPML(list: List): string {
  return {
  "@title": feed.title,
  "@text": feed.title,
- "@xmlUrl": feed.xmlUrl,
+ "@xmlUrl": transcodeXmlUrl(feed.type, feed.rssUrl, feed.id),
  "@type": "rss",
  };
  }),

src/libs/sites.ts

@@ -0,0 +1,17 @@
+import type { site } from "../types/mod.ts";
+
+const sites: site[] = [
+ { type: "bluesky", url: new URL("https://bsky.app/profile/{id}/rss") },
+ { type: "note", url: new URL("https://note.com/{id}/rss") },
+ { type: "reddit", url: new URL("https://www.reddit.com/r/{id}/.rss") },
+ { type: "sizu.me", url: new URL("https://sizu.me/{id}/rss") },
+];
+
+export function transcodeXmlUrl(type: string, rssUrl?: URL, id?: string): URL {
+ if (type === "rss") {
+ return new URL(rssUrl as URL);
+ } else {
+ const url: URL = sites.find((site: site) => site.type === type)?.url as URL;
+ return new URL(url.href.replace(encodeURI("{id}"), id as string));
+ }
+}

src/types/mod.ts

@@ -1,2 +1,3 @@
 export * from "./opml.ts";
 export * from "./toml.ts";
+export * from "./sites.ts";

src/types/sites.ts

@@ -0,0 +1,4 @@
+export type site = {
+ type: string;
+ url: URL;
+};

src/types/toml.ts

@@ -7,5 +7,8 @@ export type List = {
 };
 export type Feed = {
  title: string;
- xmlUrl: URL;
+ type: string;
+ id?: string;
+ rssUrl?: URL;
+ xmlUrl?: URL;
 };