Clean up

Build/build-internal-rules.js

@@ -0,0 +1,57 @@
+// @ts-check
+const fs = require('fs');
+const fse = require('fs-extra');
+const path = require('path');
+const readline = require('readline');
+const { isDomainLoose } = require('./lib/is-domain-loose');
+
+(async () => {
+  const results = [];
+
+  for await (
+    const line of readline.createInterface({
+      input: fs.createReadStream(path.resolve(__dirname, '../List/non_ip/cdn.conf')),
+      crlfDelay: Infinity
+    })
+  ) {
+    if (line.startsWith('DOMAIN-SUFFIX,')) {
+      results.push(line.replace('DOMAIN-SUFFIX,', 'SUFFIX,'));
+    } else if (line.startsWith('DOMAIN,')) {
+      results.push(line.replace('DOMAIN,', 'SUFFIX,'));
+    }
+  }
+
+  for await (
+    const line of readline.createInterface({
+      input: fs.createReadStream(path.resolve(__dirname, '../List/domainset/cdn.conf')),
+      crlfDelay: Infinity
+    })
+  ) {
+    if (line[0] === '.') {
+      results.push(`SUFFIX,${line.slice(1)}`);
+    } else if (isDomainLoose(line)) {
+      results.push(`SUFFIX,${line}`);
+    }
+  }
+
+  for await (
+    const line of readline.createInterface({
+      input: fs.createReadStream(path.resolve(__dirname, '../List/domainset/download.conf')),
+      crlfDelay: Infinity
+    })
+  ) {
+    if (line[0] === '.') {
+      results.push(`SUFFIX,${line.slice(1)}`);
+    } else if (isDomainLoose(line)) {
+      results.push(`SUFFIX,${line}`);
+    }
+  }
+
+  results.push('');
+
+  await fse.ensureDir(path.resolve(__dirname, '../List/internal'));
+  await fs.promises.writeFile(
+    path.resolve(__dirname, '../List/internal/cdn.csv'),
+    results.join('\n')
+  );
+})();