Refactor: full span tracer

Build/build-anti-bogus-domain.ts

@@ -35,7 +35,7 @@ const getBogusNxDomainIPs = async () => {
   );
 };
 
-export const buildAntiBogusDomain = task(import.meta.path, async () => {
+export const buildAntiBogusDomain = task(import.meta.path, async (span) => {
   const bogusIpPromise = getBogusNxDomainIPs();
 
   const result: string[] = [];
@@ -57,7 +57,8 @@ export const buildAntiBogusDomain = task(import.meta.path, async () => {
     ' - https://github.com/felixonmars/dnsmasq-china-list'
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     'Sukka\'s Ruleset - Anti Bogus Domain',
     description,
     new Date(),
@@ -65,7 +66,7 @@ export const buildAntiBogusDomain = task(import.meta.path, async () => {
     'ruleset',
     path.resolve(import.meta.dir, '../List/ip/reject.conf'),
     path.resolve(import.meta.dir, '../Clash/ip/reject.txt')
-  ));
+  );
 });
 
 if (import.meta.main) {

Build/build-apple-cdn.ts

@@ -23,7 +23,7 @@ export const getAppleCdnDomainsPromise = createMemoizedPromise(() => traceAsync(
   picocolors.gray
 ));
 
-export const buildAppleCdn = task(import.meta.path, async () => {
+export const buildAppleCdn = task(import.meta.path, async (span) => {
   const res = await getAppleCdnDomainsPromise();
 
   const description = [
@@ -39,7 +39,8 @@ export const buildAppleCdn = task(import.meta.path, async () => {
   const domainset = res.map(i => `.${i}`);
 
   return Promise.all([
-    ...createRuleset(
+    createRuleset(
+      span,
       'Sukka\'s Ruleset - Apple CDN',
       description,
       new Date(),
@@ -48,7 +49,8 @@ export const buildAppleCdn = task(import.meta.path, async () => {
       path.resolve(import.meta.dir, '../List/non_ip/apple_cdn.conf'),
       path.resolve(import.meta.dir, '../Clash/non_ip/apple_cdn.txt')
     ),
-    ...createRuleset(
+    createRuleset(
+      span,
       'Sukka\'s Ruleset - Apple CDN',
       description,
       new Date(),

Build/build-cdn-conf.ts

@@ -41,7 +41,7 @@ const getS3OSSDomains = async (): Promise<Set<string>> => {
   return S3OSSDomains;
 };
 
-const buildCdnConf = task(import.meta.path, async () => {
+const buildCdnConf = task(import.meta.path, async (span) => {
   /** @type {string[]} */
   const cdnDomainsList: string[] = [];
 
@@ -62,7 +62,8 @@ const buildCdnConf = task(import.meta.path, async () => {
     'This file contains object storage and static assets CDN domains.'
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     'Sukka\'s Ruleset - CDN Domains',
     description,
     new Date(),
@@ -70,7 +71,7 @@ const buildCdnConf = task(import.meta.path, async () => {
     'ruleset',
     path.resolve(import.meta.dir, '../List/non_ip/cdn.conf'),
     path.resolve(import.meta.dir, '../Clash/non_ip/cdn.txt')
-  ));
+  );
 });
 
 export { buildCdnConf };

Build/build-chn-cidr.ts

@@ -32,7 +32,7 @@ export const getChnCidrPromise = createMemoizedPromise(async () => {
   );
 });
 
-export const buildChnCidr = task(import.meta.path, async () => {
+export const buildChnCidr = task(import.meta.path, async (span) => {
   const filteredCidr = await getChnCidrPromise();
 
   // Can not use SHARED_DESCRIPTION here as different license
@@ -47,6 +47,7 @@ export const buildChnCidr = task(import.meta.path, async () => {
   // Can not use createRuleset here, as Clash support advanced ipset syntax
   return Promise.all([
     compareAndWriteFile(
+      span,
       withBannerArray(
         'Sukka\'s Ruleset - Mainland China IPv4 CIDR',
         description,
@@ -56,6 +57,7 @@ export const buildChnCidr = task(import.meta.path, async () => {
       pathResolve(import.meta.dir, '../List/ip/china_ip.conf')
     ),
     compareAndWriteFile(
+      span,
       withBannerArray(
         'Sukka\'s Ruleset - Mainland China IPv4 CIDR',
         description,

Build/build-cloudmounter-rules.ts

@@ -7,7 +7,7 @@ import { task } from './trace';
 const outputSurgeDir = path.resolve(import.meta.dir, '../List');
 const outputClashDir = path.resolve(import.meta.dir, '../Clash');
 
-export const buildCloudMounterRules = task(import.meta.path, async () => {
+export const buildCloudMounterRules = task(import.meta.path, async (span) => {
   // AND,((SRC-IP,192.168.1.110), (DOMAIN, example.com))
 
   const results = DOMAINS.flatMap(domain => {
@@ -18,7 +18,8 @@ export const buildCloudMounterRules = task(import.meta.path, async () => {
 
   const description = SHARED_DESCRIPTION;
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     'Sukka\'s Ruleset - CloudMounter / RaiDrive',
     description,
     new Date(),
@@ -26,7 +27,7 @@ export const buildCloudMounterRules = task(import.meta.path, async () => {
     'domainset',
     path.resolve(outputSurgeDir, 'non_ip', 'cloudmounter.conf'),
     path.resolve(outputClashDir, 'non_ip', 'cloudmounter.txt')
-  ));
+  );
 });
 
 if (import.meta.main) {

Build/build-common.ts

@@ -6,6 +6,7 @@ import { readFileByLine } from './lib/fetch-text-by-line';
 import { processLine } from './lib/process-line';
 import { createRuleset } from './lib/create-file';
 import { domainDeduper } from './lib/domain-deduper';
+import type { Span } from './trace';
 import { task } from './trace';
 import { SHARED_DESCRIPTION } from './lib/constants';
 
@@ -17,7 +18,7 @@ const sourceDir = path.resolve(import.meta.dir, '../Source');
 const outputSurgeDir = path.resolve(import.meta.dir, '../List');
 const outputClashDir = path.resolve(import.meta.dir, '../Clash');
 
-export const buildCommon = task(import.meta.path, async () => {
+export const buildCommon = task(import.meta.path, async (span) => {
   const promises: Array<Promise<unknown>> = [];
 
   const pw = new PathScurry(sourceDir);
@@ -33,14 +34,14 @@ export const buildCommon = task(import.meta.path, async () => {
 
     const relativePath = entry.relative();
     if (relativePath.startsWith('domainset/')) {
-      promises.push(transformDomainset(entry.fullpath(), relativePath));
+      promises.push(transformDomainset(span, entry.fullpath(), relativePath));
       continue;
     }
     if (
       relativePath.startsWith('ip/')
       || relativePath.startsWith('non_ip/')
     ) {
-      promises.push(transformRuleset(entry.fullpath(), relativePath));
+      promises.push(transformRuleset(span, entry.fullpath(), relativePath));
       continue;
     }
   }
@@ -52,46 +53,50 @@ if (import.meta.main) {
   buildCommon();
 }
 
-const processFile = async (sourcePath: string) => {
+const processFile = (span: Span, sourcePath: string) => {
-  console.log('Processing', sourcePath);
+  // console.log('Processing', sourcePath);
+  return span.traceChild(`process file: ${sourcePath}`).traceAsyncFn(async () => {
+    const lines: string[] = [];
 
-  const lines: string[] = [];
+    let title = '';
+    const descriptions: string[] = [];
 
-  let title = '';
+    try {
-  const descriptions: string[] = [];
+      for await (const line of readFileByLine(sourcePath)) {
+        if (line === MAGIC_COMMAND_SKIP) {
+          return null;
+        }
 
-  try {
+        if (line.startsWith(MAGIC_COMMAND_TITLE)) {
-    for await (const line of readFileByLine(sourcePath)) {
+          title = line.slice(MAGIC_COMMAND_TITLE.length).trim();
-      if (line === MAGIC_COMMAND_SKIP) {
+          continue;
-        return;
+        }
-      }
+
-
+        if (line.startsWith(MAGIC_COMMAND_DESCRIPTION)) {
-      if (line.startsWith(MAGIC_COMMAND_TITLE)) {
+          descriptions.push(line.slice(MAGIC_COMMAND_DESCRIPTION.length).trim());
-        title = line.slice(MAGIC_COMMAND_TITLE.length).trim();
+          continue;
-        continue;
+        }
-      }
+
-
+        const l = processLine(line);
-      if (line.startsWith(MAGIC_COMMAND_DESCRIPTION)) {
+        if (l) {
-        descriptions.push(line.slice(MAGIC_COMMAND_DESCRIPTION.length).trim());
+          lines.push(l);
-        continue;
+        }
-      }
-
-      const l = processLine(line);
-      if (l) {
-        lines.push(l);
       }
+    } catch (e) {
+      console.error('Error processing', sourcePath);
+      console.trace(e);
     }
-  } catch (e) {
-    console.error('Error processing', sourcePath);
-    console.trace(e);
-  }
 
-  return [title, descriptions, lines] as const;
+    return [title, descriptions, lines] as const;
+  });
 };
 
-async function transformDomainset(sourcePath: string, relativePath: string) {
+async function transformDomainset(parentSpan: Span, sourcePath: string, relativePath: string) {
-  const res = await processFile(sourcePath);
+  const span = parentSpan.traceChild(`transform domainset: ${path.basename(sourcePath, path.extname(sourcePath))}`);
+
+  const res = await processFile(span, sourcePath);
   if (!res) return;
+
   const [title, descriptions, lines] = res;
 
   const deduped = domainDeduper(lines);
@@ -104,7 +109,8 @@ async function transformDomainset(sourcePath: string, relativePath: string) {
     )
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     title,
     description,
     new Date(),
@@ -112,15 +118,18 @@ async function transformDomainset(sourcePath: string, relativePath: string) {
     'domainset',
     path.resolve(outputSurgeDir, relativePath),
     path.resolve(outputClashDir, `${relativePath.slice(0, -path.extname(relativePath).length)}.txt`)
-  ));
+  );
 }
 
 /**
  * Output Surge RULE-SET and Clash classical text format
  */
-async function transformRuleset(sourcePath: string, relativePath: string) {
+async function transformRuleset(parentSpan: Span, sourcePath: string, relativePath: string) {
-  const res = await processFile(sourcePath);
+  const span = parentSpan.traceChild(`transform ruleset: ${path.basename(sourcePath, path.extname(sourcePath))}`);
-  if (!res) return;
+
+  const res = await processFile(span, sourcePath);
+  if (!res) return null;
+
   const [title, descriptions, lines] = res;
 
   const description = [
@@ -132,7 +141,8 @@ async function transformRuleset(sourcePath: string, relativePath: string) {
     )
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     title,
     description,
     new Date(),
@@ -140,5 +150,5 @@ async function transformRuleset(sourcePath: string, relativePath: string) {
     'ruleset',
     path.resolve(outputSurgeDir, relativePath),
     path.resolve(outputClashDir, `${relativePath.slice(0, -path.extname(relativePath).length)}.txt`)
-  ));
+  );
 }

Build/build-domestic-ruleset.ts

@@ -21,7 +21,7 @@ export const getDomesticDomainsRulesetPromise = createMemoizedPromise(async () =
   return results;
 });
 
-export const buildDomesticRuleset = task(import.meta.path, async () => {
+export const buildDomesticRuleset = task(import.meta.path, async (span) => {
   const rulesetDescription = [
     ...SHARED_DESCRIPTION,
     '',
@@ -29,7 +29,8 @@ export const buildDomesticRuleset = task(import.meta.path, async () => {
   ];
 
   return Promise.all([
-    ...createRuleset(
+    createRuleset(
+      span,
       'Sukka\'s Ruleset - Domestic Domains',
       rulesetDescription,
       new Date(),
@@ -39,6 +40,7 @@ export const buildDomesticRuleset = task(import.meta.path, async () => {
       path.resolve(import.meta.dir, '../Clash/non_ip/domestic.txt')
     ),
     compareAndWriteFile(
+      span,
       [
         '#!name=[Sukka] Local DNS Mapping',
         `#!desc=Last Updated: ${new Date().toISOString()}`,

Build/build-internal-cdn-rules.ts

@@ -33,7 +33,7 @@ const processLocalRuleSet = async (ruleSetPath: string, set: Set<string>, keywor
   }
 };
 
-export const buildInternalCDNDomains = task(import.meta.path, async () => {
+export const buildInternalCDNDomains = task(import.meta.path, async (span) => {
   const proxySet = new Set<string>();
   const proxyKeywords = new Set<string>();
 
@@ -50,6 +50,7 @@ export const buildInternalCDNDomains = task(import.meta.path, async () => {
   ]))[0];
 
   return compareAndWriteFile(
+    span,
     [
       ...sortDomains(Array.from(proxySet), gorhill).map(i => `SUFFIX,${i}`),
       ...Array.from(proxyKeywords).sort().map(i => `REGEX,${i}`)

Build/build-microsoft-cdn.ts

@@ -41,7 +41,7 @@ export const getMicrosoftCdnRulesetPromise = createMemoizedPromise(async () => {
   return Array.from(set).map(d => `DOMAIN-SUFFIX,${d}`).concat(WHITELIST);
 });
 
-export const buildMicrosoftCdn = task(import.meta.path, async () => {
+export const buildMicrosoftCdn = task(import.meta.path, async (span) => {
   const description = [
     ...SHARED_DESCRIPTION,
     '',
@@ -51,7 +51,8 @@ export const buildMicrosoftCdn = task(import.meta.path, async () => {
     ' - https://github.com/felixonmars/dnsmasq-china-list'
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     'Sukka\'s Ruleset - Microsoft CDN',
     description,
     new Date(),
@@ -59,7 +60,7 @@ export const buildMicrosoftCdn = task(import.meta.path, async () => {
     '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) {

Build/build-reject-domainset.ts

@@ -29,20 +29,20 @@ export const buildRejectDomainSet = task(import.meta.path, async (span) => {
   // Parse from AdGuard Filters
   const [gorhill, shouldStop] = await span
     .traceChild('download and process hosts / adblock filter rules')
-    .traceAsyncFn(async () => {
+    .traceAsyncFn(async (childSpan) => {
       let shouldStop = false;
 
       const [gorhill] = await Promise.all([
         getGorhillPublicSuffixPromise(),
         // Parse from remote hosts & domain lists
-        ...HOSTS.map(entry => processHosts(span, entry[0], entry[1], entry[2]).then(hosts => {
+        ...HOSTS.map(entry => processHosts(childSpan, entry[0], entry[1], entry[2]).then(hosts => {
           SetHelpers.add(domainSets, hosts);
         })),
-        ...DOMAIN_LISTS.map(entry => processDomainLists(span, entry[0], entry[1], entry[2])),
+        ...DOMAIN_LISTS.map(entry => processDomainLists(childSpan, entry[0], entry[1], entry[2])),
         ...ADGUARD_FILTERS.map(input => {
           const promise = typeof input === 'string'
-            ? processFilterRules(span, input)
+            ? processFilterRules(childSpan, input)
-            : processFilterRules(span, input[0], input[1], input[2]);
+            : processFilterRules(childSpan, input[0], input[1], input[2]);
 
           return promise.then(({ white, black, foundDebugDomain }) => {
             if (foundDebugDomain) {
@@ -56,22 +56,22 @@ export const buildRejectDomainSet = task(import.meta.path, async (span) => {
         ...([
           'https://raw.githubusercontent.com/AdguardTeam/AdGuardSDNSFilter/master/Filters/exceptions.txt',
           'https://raw.githubusercontent.com/AdguardTeam/AdGuardSDNSFilter/master/Filters/exclusions.txt'
-        ].map(input => processFilterRules(span, input).then(({ white, black }) => {
+        ].map(input => processFilterRules(childSpan, input).then(({ white, black }) => {
           setAddFromArray(filterRuleWhitelistDomainSets, white);
           setAddFromArray(filterRuleWhitelistDomainSets, black);
         }))),
-        getPhishingDomains(span).then(([purePhishingDomains, fullPhishingDomainSet]) => {
+        getPhishingDomains(childSpan).then(([purePhishingDomains, fullPhishingDomainSet]) => {
           SetHelpers.add(domainSets, fullPhishingDomainSet);
           setAddFromArray(domainSets, purePhishingDomains);
         }),
-        (async () => {
+        childSpan.traceChild('process reject_sukka.conf').traceAsyncFn(async () => {
           for await (const l of readFileByLine(path.resolve(import.meta.dir, '../Source/domainset/reject_sukka.conf'))) {
             const line = processLine(l);
             if (line) {
               domainSets.add(line);
             }
           }
-        })()
+        })
       ]);
 
       // remove pre-defined enforced blacklist from whitelist
@@ -187,7 +187,8 @@ export const buildRejectDomainSet = task(import.meta.path, async (span) => {
   ];
 
   return Promise.all([
-    ...createRuleset(
+    createRuleset(
+      span,
       'Sukka\'s Ruleset - Reject Base',
       description,
       new Date(),
@@ -197,6 +198,7 @@ export const buildRejectDomainSet = task(import.meta.path, async (span) => {
       path.resolve(import.meta.dir, '../Clash/domainset/reject.txt')
     ),
     compareAndWriteFile(
+      span,
       rejectDomainsStats.map(([domain, count]) => `${domain}${' '.repeat(100 - domain.length)}${count}`),
       path.resolve(import.meta.dir, '../List/internal/reject-stats.txt')
     ),

Build/build-sgmodule-always-realip.ts

@@ -38,8 +38,9 @@ const HOSTNAMES = [
   'GC._msDCS.*.*'
 ] as const;
 
-export const buildAlwaysRealIPModule = task(import.meta.path, async () => {
+export const buildAlwaysRealIPModule = task(import.meta.path, async (span) => {
   return compareAndWriteFile(
+    span,
     [
       '#!name=[Sukka] Always Real IP Plus',
       `#!desc=Last Updated: ${new Date().toISOString()}`,

Build/build-sgmodule-redirect.ts

@@ -71,10 +71,11 @@ const REDIRECT = [
   ['googleajax.wp-china-yes.net/', 'https://ajax.googleapis.com/']
 ] as const;
 
-export const buildRedirectModule = task(import.meta.path, async () => {
+export const buildRedirectModule = task(import.meta.path, async (span) => {
   const domains = Array.from(new Set(REDIRECT.map(([from]) => tldts.getHostname(from, { detectIp: false })))).filter(Boolean);
 
   return compareAndWriteFile(
+    span,
     [
       '#!name=[Sukka] URL Redirect',
       `#!desc=Last Updated: ${new Date().toISOString()}`,

Build/build-speedtest-domainset.ts

@@ -151,13 +151,14 @@ export const buildSpeedtestDomainSet = task(import.meta.path, async (span) => {
     '.backend.librespeed.org'
   ]);
 
-  // Download previous speedtest domainset
+  await span.traceChild('fetch previous speedtest domainset').traceAsyncFn(async () => {
-  for await (const l of await fetchRemoteTextByLine('https://ruleset.skk.moe/List/domainset/speedtest.conf')) {
+    for await (const l of await fetchRemoteTextByLine('https://ruleset.skk.moe/List/domainset/speedtest.conf')) {
-    const line = processLine(l);
+      const line = processLine(l);
-    if (line) {
+      if (line) {
-      domains.add(line);
+        domains.add(line);
+      }
     }
-  }
+  });
 
   await new Promise<void>((resolve) => {
     const pMap = ([
@@ -225,7 +226,8 @@ export const buildSpeedtestDomainSet = task(import.meta.path, async (span) => {
     'This file contains common speedtest endpoints.'
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     'Sukka\'s Ruleset - Speedtest Domains',
     description,
     new Date(),
@@ -233,7 +235,7 @@ export const buildSpeedtestDomainSet = task(import.meta.path, async (span) => {
     'domainset',
     path.resolve(import.meta.dir, '../List/domainset/speedtest.conf'),
     path.resolve(import.meta.dir, '../Clash/domainset/speedtest.txt')
-  ));
+  );
 });
 
 if (import.meta.main) {

Build/build-sspanel-appprofile.ts

@@ -26,7 +26,7 @@ const removeNoResolved = (line: string) => line.replace(',no-resolve', '');
 /**
  * This only generates a simplified version, for under-used users only.
  */
-export const buildSSPanelUIMAppProfile = task(import.meta.path, async () => {
+export const buildSSPanelUIMAppProfile = task(import.meta.path, async (span) => {
   const [
     domesticDomains,
     appleCdnDomains,
@@ -108,6 +108,7 @@ export const buildSSPanelUIMAppProfile = task(import.meta.path, async () => {
   );
 
   await compareAndWriteFile(
+    span,
     output,
     path.resolve(import.meta.dir, '../List/internal/appprofile.php')
   );

Build/build-stream-service.ts

@@ -1,4 +1,5 @@
 // @ts-check
+import type { Span } from './trace';
 import { task } from './trace';
 
 import path from 'path';
@@ -7,10 +8,12 @@ import { createRuleset } from './lib/create-file';
 import { ALL, NORTH_AMERICA, EU, HK, TW, JP, KR } from '../Source/stream';
 import { SHARED_DESCRIPTION } from './lib/constants';
 
-export const createRulesetForStreamService = (fileId: string, title: string, streamServices: Array<import('../Source/stream').StreamService>) => {
+export const createRulesetForStreamService = (span: Span, fileId: string, title: string, streamServices: Array<import('../Source/stream').StreamService>) => {
+  const childSpan = span.traceChild(fileId);
   return [
     // Domains
-    ...createRuleset(
+    createRuleset(
+      childSpan,
       `Sukka's Ruleset - Stream Services: ${title}`,
       [
         ...SHARED_DESCRIPTION,
@@ -24,7 +27,8 @@ export const createRulesetForStreamService = (fileId: string, title: string, str
       path.resolve(import.meta.dir, `../Clash/non_ip/${fileId}.txt`)
     ),
     // IP
-    ...createRuleset(
+    createRuleset(
+      childSpan,
       `Sukka's Ruleset - Stream Services' IPs: ${title}`,
       [
         ...SHARED_DESCRIPTION,
@@ -47,16 +51,16 @@ export const createRulesetForStreamService = (fileId: string, title: string, str
   ];
 };
 
-export const buildStreamService = task(import.meta.path, async () => {
+export const buildStreamService = task(import.meta.path, async (span) => {
   return Promise.all([
-    ...createRulesetForStreamService('stream', 'All', ALL),
+    ...createRulesetForStreamService(span, 'stream', 'All', ALL),
-    ...createRulesetForStreamService('stream_us', 'North America', NORTH_AMERICA),
+    ...createRulesetForStreamService(span, 'stream_us', 'North America', NORTH_AMERICA),
-    ...createRulesetForStreamService('stream_eu', 'Europe', EU),
+    ...createRulesetForStreamService(span, 'stream_eu', 'Europe', EU),
-    ...createRulesetForStreamService('stream_hk', 'Hong Kong', HK),
+    ...createRulesetForStreamService(span, 'stream_hk', 'Hong Kong', HK),
-    ...createRulesetForStreamService('stream_tw', 'Taiwan', TW),
+    ...createRulesetForStreamService(span, 'stream_tw', 'Taiwan', TW),
-    ...createRulesetForStreamService('stream_jp', 'Japan', JP),
+    ...createRulesetForStreamService(span, 'stream_jp', 'Japan', JP),
     // ...createRulesetForStreamService('stream_au', 'Oceania', AU),
-    ...createRulesetForStreamService('stream_kr', 'Korean', KR)
+    ...createRulesetForStreamService(span, 'stream_kr', 'Korean', KR)
     // ...createRulesetForStreamService('stream_south_east_asia', 'South East Asia', SOUTH_EAST_ASIA)
   ]);
 });

Build/build-telegram-cidr.ts

@@ -32,7 +32,7 @@ export const getTelegramCIDRPromise = createMemoizedPromise(async () => {
   return { date, results };
 });
 
-export const buildTelegramCIDR = task(import.meta.path, async () => {
+export const buildTelegramCIDR = task(import.meta.path, async (span) => {
   const { date, results } = await getTelegramCIDRPromise();
 
   if (results.length === 0) {
@@ -45,7 +45,8 @@ export const buildTelegramCIDR = task(import.meta.path, async () => {
     ' - https://core.telegram.org/resources/cidr.txt'
   ];
 
-  return Promise.all(createRuleset(
+  return createRuleset(
+    span,
     'Sukka\'s Ruleset - Telegram IP CIDR',
     description,
     date,
@@ -53,7 +54,7 @@ export const buildTelegramCIDR = task(import.meta.path, async () => {
     'ruleset',
     path.resolve(import.meta.dir, '../List/ip/telegram.conf'),
     path.resolve(import.meta.dir, '../Clash/ip/telegram.txt')
-  ));
+  );
 });
 
 if (import.meta.main) {

Build/download-mock-assets.ts

@@ -12,15 +12,11 @@ const ASSETS_LIST = {
 
 const mockDir = path.resolve(import.meta.dir, '../Mock');
 
-export const downloadMockAssets = task(import.meta.path, () => Promise.all(Object.entries(ASSETS_LIST).map(async ([filename, url]) => {
+export const downloadMockAssets = task(import.meta.path, (span) => Promise.all(Object.entries(ASSETS_LIST).map(
-  const targetPath = path.join(mockDir, filename);
+  ([filename, url]) => span
-
+    .traceChild(url)
-  const key = picocolors.gray(`Download ${filename}`);
+    .traceAsyncFn(() => fetchWithRetry(url).then(res => Bun.write(path.join(mockDir, filename), res)))
-  console.time(key);
+)));
-  const res = await fetchWithRetry(url);
-  await Bun.write(targetPath, res);
-  console.timeEnd(key);
-})));
 
 if (import.meta.main) {
   downloadMockAssets();

Build/lib/create-file.ts

@@ -3,8 +3,10 @@ import { readFileByLine } from './fetch-text-by-line';
 import { surgeDomainsetToClashDomainset, surgeRulesetToClashClassicalTextRuleset } from './clash';
 import { traceAsync } from './trace-runner';
 import picocolors from 'picocolors';
+import type { Span } from '../trace';
+import path from 'path';
 
-export async function compareAndWriteFile(linesA: string[], filePath: string) {
+export async function compareAndWriteFile(span: Span, linesA: string[], filePath: string) {
   let isEqual = true;
   const file = Bun.file(filePath);
 
@@ -17,48 +19,44 @@ export async function compareAndWriteFile(linesA: string[], filePath: string) {
     console.log(`Nothing to write to ${filePath}...`);
     isEqual = false;
   } else {
-    isEqual = await traceAsync(
+    isEqual = await span.traceChild(`comparing ${filePath}`).traceAsyncFn(async () => {
-      picocolors.gray(`comparing ${filePath}`),
+      let index = 0;
-      async () => {
-        let index = 0;
 
-        for await (const lineB of readFileByLine(file)) {
+      for await (const lineB of readFileByLine(file)) {
-          const lineA = linesA[index];
+        const lineA = linesA[index];
-          index++;
+        index++;
 
-          if (lineA == null) {
+        if (lineA == null) {
-            // The file becomes smaller
+          // The file becomes smaller
-            return false;
+          return false;
-          }
+        }
 
-          if (lineA[0] === '#' && lineB[0] === '#') {
+        if (lineA[0] === '#' && lineB[0] === '#') {
-            continue;
+          continue;
-          }
+        }
-          if (
+        if (
-            lineA[0] === '/'
+          lineA[0] === '/'
             && lineA[1] === '/'
             && lineA[3] === '#'
             && lineB[0] === '/'
             && lineB[1] === '/'
             && lineB[3] === '#'
-          ) {
+        ) {
-            continue;
+          continue;
-          }
-
-          if (lineA !== lineB) {
-            return false;
-          }
         }
 
-        if (index !== linesALen) {
+        if (lineA !== lineB) {
-          // The file becomes larger
           return false;
         }
+      }
 
-        return true;
+      if (index !== linesALen) {
-      },
+        // The file becomes larger
-      picocolors.gray
+        return false;
-    );
+      }
+
+      return true;
+    });
   }
 
   if (isEqual) {
@@ -66,7 +64,7 @@ export async function compareAndWriteFile(linesA: string[], filePath: string) {
     return;
   }
 
-  await traceAsync(picocolors.gray(`writing ${filePath}`), async () => {
+  await span.traceChild(`writing ${filePath}`).traceAsyncFn(async () => {
     if (linesALen < 10000) {
       return Bun.write(file, `${linesA.join('\n')}\n`);
     }
@@ -79,7 +77,7 @@ export async function compareAndWriteFile(linesA: string[], filePath: string) {
     }
 
     return writer.end();
-  }, picocolors.gray);
+  });
 }
 
 export const withBannerArray = (title: string, description: string[] | readonly string[], date: Date, content: string[]) => {
@@ -96,27 +94,28 @@ export const withBannerArray = (title: string, description: string[] | readonly
 };
 
 export const createRuleset = (
+  parentSpan: Span,
   title: string, description: string[] | readonly string[], date: Date, content: string[],
   type: 'ruleset' | 'domainset', surgePath: string, clashPath: string
-) => {
+) => parentSpan.traceChild(`create ruleset: ${path.basename(surgePath, path.extname(surgePath))}`).traceAsyncFn((childSpan) => {
   const surgeContent = withBannerArray(title, description, date, content);
+  const clashContent = childSpan.traceChild('convert incoming ruleset to clash').traceSyncFn(() => {
+    let _clashContent;
+    switch (type) {
+      case 'domainset':
+        _clashContent = surgeDomainsetToClashDomainset(content);
+        break;
+      case 'ruleset':
+        _clashContent = surgeRulesetToClashClassicalTextRuleset(content);
+        break;
+      default:
+        throw new TypeError(`Unknown type: ${type as any}`);
+    }
+    return withBannerArray(title, description, date, _clashContent);
+  });
 
-  let _clashContent;
+  return Promise.all([
-  switch (type) {
+    compareAndWriteFile(childSpan, surgeContent, surgePath),
-    case 'domainset':
+    compareAndWriteFile(childSpan, clashContent, clashPath)
-      _clashContent = surgeDomainsetToClashDomainset(content);
+  ]);
-      break;
+});
-    case 'ruleset':
-      _clashContent = surgeRulesetToClashClassicalTextRuleset(content);
-      break;
-    default:
-      throw new TypeError(`Unknown type: ${type as any}`);
-  }
-
-  const clashContent = withBannerArray(title, description, date, _clashContent);
-
-  return [
-    compareAndWriteFile(surgeContent, surgePath),
-    compareAndWriteFile(clashContent, clashPath)
-  ];
-};

Build/lib/fetch-text-by-line.ts

@@ -41,17 +41,16 @@ export function readFileByLine(file: string | URL | BunFile) {
   return createTextLineAsyncGeneratorFromStreamSource(file.stream());
 }
 
-export function createReadlineInterfaceFromResponse(resp: Response) {
+export function createReadlineInterfaceFromResponse(this: void, resp: Response) {
   if (!resp.body) {
     throw new Error('Failed to fetch remote text');
   }
   if (resp.bodyUsed) {
     throw new Error('Body has already been consumed.');
   }
-
   return createTextLineAsyncGeneratorFromStreamSource(resp.body);
 }
 
 export function fetchRemoteTextByLine(url: string | URL) {
-  return fetchWithRetry(url, defaultRequestInit).then(res => createReadlineInterfaceFromResponse(res));
+  return fetchWithRetry(url, defaultRequestInit).then(createReadlineInterfaceFromResponse);
 }

Build/lib/parse-filter.ts

@@ -96,12 +96,12 @@ const enum ParseType {
 }
 
 export async function processFilterRules(
-  span: Span,
+  parentSpan: Span,
   filterRulesUrl: string,
   fallbackUrls?: readonly string[] | undefined | null,
   ttl: number | null = null
 ): Promise<{ white: string[], black: string[], foundDebugDomain: boolean }> {
-  const [white, black, warningMessages] = await span.traceChild('process filter rules: domainListsUrl').traceAsyncFn(() => fsCache.apply<Readonly<[
+  const [white, black, warningMessages] = await parentSpan.traceChild(`process filter rules: ${filterRulesUrl}`).traceAsyncFn((span) => fsCache.apply<Readonly<[
     white: string[],
     black: string[],
     warningMessages: string[]
@@ -179,18 +179,15 @@ export async function processFilterRules(
         // Avoid event loop starvation, so we wait for a macrotask before we start fetching.
         await Promise.resolve();
 
-        const filterRules = (await traceAsync(
+        const filterRules = await span.traceChild('download adguard filter').traceAsyncFn(() => {
-          picocolors.gray(`- download ${filterRulesUrl}`),
+          return fetchAssets(filterRulesUrl, fallbackUrls).then(text => text.split('\n'));
-          () => fetchAssets(filterRulesUrl, fallbackUrls),
+        });
-          picocolors.gray
-        )).split('\n');
 
-        const key = picocolors.gray(`- parse adguard filter ${filterRulesUrl}`);
+        span.traceChild('parse adguard filter').traceSyncFn(() => {
-        console.time(key);
+          for (let i = 0, len = filterRules.length; i < len; i++) {
-        for (let i = 0, len = filterRules.length; i < len; i++) {
+            lineCb(filterRules[i]);
-          lineCb(filterRules[i]);
+          }
-        }
+        });
-        console.timeEnd(key);
       }
 
       return [

Build/lib/reject-data-source.ts

@@ -47,7 +47,9 @@ export const DOMAIN_LISTS = [
   ['https://raw.githubusercontent.com/AdguardTeam/cname-trackers/master/data/combined_disguised_mail_trackers_justdomains.txt', true, TTL.THREE_DAYS()]
 ] as const;
 
-export const ADGUARD_FILTERS = [
+type AdGuardFilterSource = string | [main: string, mirrors: string[] | null, ttl: number];
+
+export const ADGUARD_FILTERS: AdGuardFilterSource[] = [
   // EasyList
   [
     'https://easylist.to/easylist/easylist.txt',
@@ -156,7 +158,7 @@ export const ADGUARD_FILTERS = [
   // Not actively maintained, let's use a 10 days cache ttl
   ['https://raw.githubusercontent.com/Spam404/lists/master/adblock-list.txt', null, TTL.TEN_DAYS()],
   // Brave First Party & First Party CNAME
-  'https://raw.githubusercontent.com/brave/adblock-lists/master/brave-lists/brave-firstparty.txt'
+  ['https://raw.githubusercontent.com/brave/adblock-lists/master/brave-lists/brave-firstparty.txt', null, TTL.ONE_DAY()]
 ] as const;
 
 export const PREDEFINED_WHITELIST = [

Build/trace/index.ts

@@ -114,17 +114,45 @@ export const universalify = <A extends any[], R>(taskname: string, fn: (this: vo
   };
 };
 
-export const printTraceResult = (traceResult: TraceResult = rootTraceResult, level = 0, isLast = false) => {
+export const printTraceResult = (traceResult: TraceResult = rootTraceResult) => {
-  if (level === 0) {
+  printStats(traceResult.children);
-    printStats(traceResult.children);
+  printTree(traceResult, node => `${node.name} ${picocolors.bold(`${(node.end - node.start).toFixed(3)}ms`)}`);
+};
+
+function printTree(initialTree: TraceResult, printNode: (node: TraceResult, branch: string) => string) {
+  function printBranch(tree: TraceResult, branch: string) {
+    const isGraphHead = branch.length === 0;
+    const children = tree.children;
+
+    let branchHead = '';
+
+    if (!isGraphHead) {
+      branchHead = children.length > 0 ? '┬ ' : '─ ';
+    }
+
+    const toPrint = printNode(tree, `${branch}${branchHead}`);
+
+    if (typeof toPrint === 'string') {
+      console.log(`${branch}${branchHead}${toPrint}`);
+    }
+
+    let baseBranch = branch;
+
+    if (!isGraphHead) {
+      const isChildOfLastBranch = branch.endsWith('└─');
+      baseBranch = branch.slice(0, -2) + (isChildOfLastBranch ? '  ' : '│ ');
+    }
+
+    const nextBranch = `${baseBranch}├─`;
+    const lastBranch = `${baseBranch}└─`;
+
+    children.forEach((child, index) => {
+      printBranch(child, children.length - 1 === index ? lastBranch : nextBranch);
+    });
   }
 
-  const prefix = (level > 0 ? `  ${'│  '.repeat(level - 1)}` : '') + (level > 0 ? (isLast ? '└─' : '├─') : '');
+  printBranch(initialTree, '');
-
+}
-  console.log(`${prefix} ${traceResult.name} ${picocolors.bold(`${(traceResult.end - traceResult.start).toFixed(2)}ms`)}`);
-
-  traceResult.children.forEach((child, index, arr) => printTraceResult(child, level + 1, index === arr.length - 1));
-};
 
 function printStats(stats: TraceResult[]): void {
   stats.sort((a, b) => a.start - b.start);

Source/non_ip/ai.conf

@@ -10,3 +10,4 @@ DOMAIN-SUFFIX,openaiapi-site.azureedge.net
 DOMAIN-SUFFIX,perplexity.ai
 DOMAIN-SUFFIX,anthropic.com
 DOMAIN-SUFFIX,claude.ai
+DOMAIN-SUFFIX,generativelanguage.googleapis.com