chore: tcr analysis

implementations/assemblyscript/adapter.js

@@ -0,0 +1,76 @@
+import { instantiate } from "@assemblyscript/loader";
+import fs from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+// Load and instantiate the WASM module
+export async function loadWasm() {
+  const wasmPath = path.join(__dirname, "build", "release.wasm");
+  const wasmBuffer = await fs.readFile(wasmPath);
+  
+  const { exports } = await instantiate(wasmBuffer, {
+    env: {
+      "console.log": (msgPtr) => {
+        console.log(exports.__getString(msgPtr));
+      }
+    }
+  });
+  
+  const {
+    memory,
+    __newString,
+    __getString,
+    transformDataWithTimestamp,
+    healthCheck
+  } = exports;
+  
+  return {
+    // Promise-based API for compatibility with tests
+    async transformData(jsonString) {
+      try {
+        // Generate ISO timestamp in JavaScript
+        const isoTimestamp = new Date().toISOString();
+        
+        // Marshal strings to/from WASM
+        const jsonPtr = __newString(jsonString);
+        const timestampPtr = __newString(isoTimestamp);
+        const resultPtr = transformDataWithTimestamp(jsonPtr, timestampPtr);
+        const result = __getString(resultPtr);
+        
+        return result;
+      } catch (error) {
+        // Match Go behavior on parse errors
+        throw new Error(`failed to parse input JSON: ${error.message}`);
+      }
+    },
+    
+    async healthCheck() {
+      try {
+        const resultPtr = healthCheck();
+        const result = __getString(resultPtr);
+        return result;
+      } catch (error) {
+        throw new Error(`health check failed: ${error.message}`);
+      }
+    }
+  };
+}
+
+// Export individual functions for testing
+let wasmInstance = null;
+
+export async function transformData(jsonString) {
+  if (!wasmInstance) {
+    wasmInstance = await loadWasm();
+  }
+  return wasmInstance.transformData(jsonString);
+}
+
+export async function healthCheck() {
+  if (!wasmInstance) {
+    wasmInstance = await loadWasm();
+  }
+  return wasmInstance.healthCheck();
+}