Chore: auto build microsoft_cdn

Build/build-microsoft-cdn.ts

@@ -0,0 +1,63 @@
+import path from 'path';
+import { task, traceAsync } from './lib/trace-runner';
+import { createRuleset } from './lib/create-file';
+import { fetchRemoteTextAndReadByLine } from './lib/fetch-text-by-line';
+import { createTrie } from './lib/trie';
+import { SHARED_DESCRIPTION } from './lib/constants';
+import { createMemoizedPromise } from './lib/memo-promise';
+
+const WHITELIST = [
+  'DOMAIN-SUFFIX,download.prss.microsoft.com',
+  'DOMAIN,res.cdn.office.net'
+];
+
+const BLACKLIST = [
+  'www.microsoft.com',
+  'learn.microsoft.com',
+  'devblogs.microsoft.com',
+  'docs.microsoft.com',
+  'developer.microsoft.com'
+];
+
+export const getMicrosoftCdnRulesetPromise = createMemoizedPromise(async () => {
+  const set = await traceAsync('fetch accelerated-domains.china.conf', async () => {
+    const trie = createTrie();
+    for await (const line of await fetchRemoteTextAndReadByLine('https://raw.githubusercontent.com/felixonmars/dnsmasq-china-list/master/accelerated-domains.china.conf')) {
+      if (line.startsWith('server=/') && line.endsWith('/114.114.114.114')) {
+        const domain = line.slice(8, -16);
+        trie.add(domain);
+      }
+    }
+    return new Set(['.microsoft.com', '.windows.net', '.windows.com', '.windowsupdate.com', '.windowssearch.com', '.office.net'].flatMap(domain => trie.find(domain, false)));
+  });
+
+  const trie2 = createTrie(set);
+  BLACKLIST.flatMap(domain => trie2.find(domain, true)).forEach(d => set.delete(d));
+
+  return Array.from(set).map(d => `DOMAIN-SUFFIX,${d}`).concat(WHITELIST);
+});
+
+export const buildMicrosoftCdn = task(import.meta.path, async () => {
+  const description = [
+    ...SHARED_DESCRIPTION,
+    '',
+    'This file contains Microsoft\'s domains using their China mainland CDN servers.',
+    '',
+    'Data from:',
+    ' - https://github.com/felixonmars/dnsmasq-china-list'
+  ];
+
+  return Promise.all(createRuleset(
+    'Sukka\'s Ruleset - Microsoft CDN',
+    description,
+    new Date(),
+    await getMicrosoftCdnRulesetPromise(),
+    'ruleset',
+    path.resolve(import.meta.dir, '../List/non_ip/microsoft_cdn.conf'),
+    path.resolve(import.meta.dir, '../Clash/non_ip/microsoft_cdn.txt')
+  ));
+});
+
+if (import.meta.main) {
+  buildMicrosoftCdn();
+}