Perf: further speed up infra

Build/lib/cached-tld-parse.js

@@ -0,0 +1,25 @@
+const tldts = require('tldts');
+const { createCache } = require('./cache-apply');
+
+const cache = createCache('cached-tld-parse', true);
+
+const sharedConfig = { allowPrivateDomains: true };
+
+/**
+ * @param {string} domain
+ * @returns {ReturnType<import('tldts').parse>}
+ */
+module.exports.parse = (domain) => {
+  return cache.sync(domain, () => tldts.parse(domain, sharedConfig));
+};
+
+const gothillGetDomainCache = createCache('cached-gorhill-get-domain', true);
+/**
+ * @param {import('gorhill-publicsuffixlist').default | null} gorhill
+ */
+module.exports.createCachedGorhillGetDomain = (gorhill) => {
+  /**
+   * @param {string} domain
+   */
+  return (domain) => gothillGetDomainCache.sync(domain, () => gorhill.getDomain(domain[0] === '.' ? domain.slice(1) : domain));
+};