feat: add URL support to TTS for fetching web page text

tts.ts

@@ -1,7 +1,10 @@
 import os from "node:os";
+import process from "node:process";
 import { parseArgs } from "node:util";
+import { Readability } from "@mozilla/readability";
 import { $, which } from "bun";
 import chalk from "chalk";
+import { Window } from "happy-dom-without-node";
 
 const start = Date.now();
 
@@ -10,13 +13,30 @@ const { values: args } = parseArgs({
   options: {
     wait: { type: "boolean" },
     w: { type: "boolean" },
+    url: { type: "boolean" },
+    u: { type: "boolean" },
   },
   strict: true,
   allowPositionals: true,
 });
 
 const wait = args.wait ?? args.w;
-const text = await Bun.stdin.text();
+const url = args.url ?? args.u;
+let text = await Bun.stdin.text();
+
+if (url) {
+  const result = await fetch(text.trim());
+  const window = new Window({ url: text.trim() });
+  const doc = window.document;
+  doc.write(await result.text());
+  await window.happyDOM.waitUntilComplete();
+  const readable = new Readability(doc).parse();
+  if (readable?.textContent) text = readable.textContent;
+  if (text.trim() === result.url) {
+    console.error("Unable to read web page.");
+    process.exit(1);
+  }
+}
 
 if (!text) {
   console.error("No input given.");