feat: Provide users an alternative link to view x threads (#514)

* feature implementation

* updated file name

* supressed original message embed, moved converted link to a standard unfurled link

* Updated message to be a md link with simple language.

Author: asbedb

src/features/x-cancel-generator.ts

@@ -0,0 +1,19 @@
+import type { ChannelHandlers } from "../types/index.js";
+
+export const TWITTER_REGEX =
+  /https?:\/\/(?:www\.)?(?:x|twitter)\.com\/\w+\/status\/\d+/i;
+
+const xCancelGenerator: ChannelHandlers = {
+  handleMessage: async ({ msg }) => {
+    const match = TWITTER_REGEX.exec(msg.content);
+    if (!match || msg.author.bot) return; // Ignore bots to prevent loops
+    msg.suppressEmbeds(true);
+    const [url] = match;
+    const alternativeUrl = url.replace(/(x|twitter)\.com/i, "xcancel.com");
+    await msg.channel.send(
+      `[Converted to \`xcancel.com\` for members with no \`x\` account](${alternativeUrl})`,
+    );
+  },
+};
+
+export default xCancelGenerator;

src/index.ts

@@ -27,6 +27,7 @@ import voiceActivity from "./features/voice-activity.js";
 import type { ChannelHandlers } from "./types/index.js";
 import { scheduleMessages } from "./features/scheduled-messages.js";
 import tsPlaygroundLinkShortener from "./features/tsplay.js";
+import xCancelGenerator from "./features/x-cancel-generator.js";
 import { CHANNELS, initCachedChannels } from "./constants/channels.js";
 import { scheduleTask } from "./helpers/schedule.js";
 import { discordToken, isProd } from "./helpers/env.js";
@@ -202,6 +203,7 @@ addHandler("*", [
   autoban,
   emojiMod,
   tsPlaygroundLinkShortener,
+  xCancelGenerator,
   troll,
 ]);