Refactor: continues to rewrite to TS

Build/build-telegram-cidr.ts

@@ -0,0 +1,57 @@
+// @ts-check
+import { fetchWithRetry } from './lib/fetch-retry';
+import { createReadlineInterfaceFromResponse } from './lib/fetch-remote-text-by-line';
+import path from 'path';
+import { isIPv4, isIPv6 } from 'net';
+import { processLine } from './lib/process-line';
+import { createRuleset } from './lib/create-file';
+import { task } from './lib/trace-runner';
+
+export const buildTelegramCIDR = task(__filename, async () => {
+  /** @type {Response} */
+  const resp = await fetchWithRetry('https://core.telegram.org/resources/cidr.txt');
+  const lastModified = resp.headers.get('last-modified');
+  const date = lastModified ? new Date(lastModified) : new Date();
+
+  /** @type {string[]} */
+  const results = [];
+
+  for await (const line of createReadlineInterfaceFromResponse(resp)) {
+    const cidr = processLine(line);
+    if (!cidr) continue;
+
+    const [subnet] = cidr.split('/');
+    if (isIPv4(subnet)) {
+      results.push(`IP-CIDR,${cidr},no-resolve`);
+    }
+    if (isIPv6(subnet)) {
+      results.push(`IP-CIDR6,${cidr},no-resolve`);
+    }
+  }
+
+  if (results.length === 0) {
+    throw new Error('Failed to fetch data!');
+  }
+
+  const description = [
+    'License: AGPL 3.0',
+    'Homepage: https://ruleset.skk.moe',
+    'GitHub: https://github.com/SukkaW/Surge',
+    'Data from:',
+    ' - https://core.telegram.org/resources/cidr.txt'
+  ];
+
+  return Promise.all(createRuleset(
+    'Sukka\'s Ruleset - Telegram IP CIDR',
+    description,
+    date,
+    results,
+    'ruleset',
+    path.resolve(__dirname, '../List/ip/telegram.conf'),
+    path.resolve(__dirname, '../Clash/ip/telegram.txt')
+  ));
+});
+
+if (import.meta.main) {
+  buildTelegramCIDR();
+}