perf(orm): more aggressive caching of validation zod schemas (#623)

* WIP: more aggressive caching of validation zod schemas

* refactor: use a decorator-based approach for caching

* update

* update

* update

* update

* update

* remove object-type args from cache key

* update cache key

Author: ymc9

packages/orm/src/client/crud/validator/cache-decorator.ts

@@ -0,0 +1,54 @@
+import stableStringify from 'json-stable-stringify';
+
+/**
+ * Method decorator that caches the return value based on method name and arguments.
+ *
+ * Requirements:
+ * - Class must have a `getCache(key: string)` method
+ * - Class must have a `setCache(key: string, value: any)` method
+ */
+export function cache() {
+    return function (_target: any, propertyKey: string, descriptor: PropertyDescriptor) {
+        const originalMethod = descriptor.value;
+
+        descriptor.value = function (
+            this: {
+                getCache: (key: string) => unknown;
+                setCache: (key: string, value: unknown) => void;
+            } & Record<string, unknown>,
+            ...args: any[]
+        ) {
+            // Build cache key object
+            const cacheKeyObj: Record<string, unknown> = {
+                $call: propertyKey,
+                $args: args.map((arg) => {
+                    if (Array.isArray(arg)) {
+                        // sort array arguments for consistent cache keys
+                        return [...arg].sort();
+                    } else {
+                        return arg;
+                    }
+                }),
+            };
+
+            // Generate stable string key
+            const cacheKey = stableStringify(cacheKeyObj)!;
+
+            // Check cache
+            const cached = this.getCache(cacheKey);
+            if (cached !== undefined) {
+                return cached;
+            }
+
+            // Execute original method
+            const result = originalMethod.apply(this, args);
+
+            // Store in cache
+            this.setCache(cacheKey, result);
+
+            return result;
+        };
+
+        return descriptor;
+    };
+}