Perf: further speed up infra

Build/lib/cache-apply.js

@@ -0,0 +1,47 @@
+/**
+ * @param {string} [namespace]
+ */
+const createCache = (namespace, printStats = false) => {
+  const cache = new Map();
+
+  let hit = 0;
+  if (namespace && printStats) {
+    process.on('exit', () => {
+      console.log(`🔋 [cache] ${namespace} hit: ${hit}, size: ${cache.size}`);
+    });
+  }
+
+  return {
+    /**
+     * @template T
+     * @param {string} key
+     * @param {() => T} fn
+     * @returns {T}
+     */
+    sync(key, fn) {
+      if (cache.has(key)) {
+        hit++;
+        return cache.get(key);
+      }
+      const value = fn();
+      cache.set(key, value);
+      return value;
+    },
+    /**
+     * @template T
+     * @param {string} key
+     * @param {() => Promise<T>} fn
+     * @returns {Promise<T>}
+     */
+    async async(key, fn) {
+      if (cache.has(key)) {
+        hit++;
+        return cache.get(key);
+      }
+      const value = await fn();
+      cache.set(key, value);
+      return value;
+    }
+  };
+};
+module.exports.createCache = createCache;