Refactor: continues to rewrite to TS

Build/build-internal-chn-domains.ts

@@ -0,0 +1,21 @@
+import path from 'path';
+import fsp from 'fs/promises'
+import { parseFelixDnsmasq } from './lib/parse-dnsmasq';
+import { task } from './lib/trace-runner';
+import { compareAndWriteFile } from './lib/create-file';
+
+export const buildInternalChnDomains = task(__filename, async () => {
+  const [result] = await Promise.all([
+    parseFelixDnsmasq('https://raw.githubusercontent.com/felixonmars/dnsmasq-china-list/master/accelerated-domains.china.conf'),
+    fsp.mkdir(path.resolve(__dirname, '../List/internal'), { recursive: true })
+  ]);
+
+  return compareAndWriteFile(
+    result.map(line => `SUFFIX,${line}`),
+    path.resolve(__dirname, '../List/internal/accelerated-china-domains.txt')
+  );
+});
+
+if (import.meta.main) {
+  buildInternalChnDomains();
+}