Updated Durable Object fetch method to be optional.

Author: spigaz

worker-build/src/js/durable_objects_shim.js

@@ -6,15 +6,14 @@ const globalStorePrefix = "__DO_WRAPPED_"; // For globalThis storage
 if (typeof __WORKER_BUILD_DO_NAMES__ !== 'undefined' && Array.isArray(__WORKER_BUILD_DO_NAMES__)) {
     __WORKER_BUILD_DO_NAMES__.forEach(className => {
         const OriginalClass = imports[className];
-        if (typeof OriginalClass === 'function' && OriginalClass.prototype && typeof OriginalClass.prototype.fetch === 'function') {
-            console.log(`[shim.js] Wrapping DO (identified by worker-build): ${className}`);
+        if (typeof OriginalClass === 'function' && OriginalClass.prototype) {
+            console.log(`[shim.js] Wrapping DO: ${className}`);
             successfullyWrappedDONames.push(className);
             const WrappedClass = class extends DurableObject {
                 constructor(state, env) { super(state, env); this._inner = new OriginalClass(state, env); }
-                async fetch(request) { return this._inner.fetch(request); }
             };
             Object.getOwnPropertyNames(OriginalClass.prototype).forEach(methodName => {
-                if (methodName !== 'constructor' && methodName !== 'fetch') {
+                if (methodName !== 'constructor') {
                     if (typeof OriginalClass.prototype[methodName] === 'function') {
                         WrappedClass.prototype[methodName] = function(...args) { return this._inner[methodName](...args); };
                     }