add base support for exporting objects and classes in node_loader

source/loaders/node_loader/bootstrap/lib/bootstrap.js

@@ -276,7 +276,7 @@ function node_loader_trampoline_discover_function(func) {
 			if (node_loader_trampoline_is_valid_symbol(node)) {
 				const args = node_loader_trampoline_discover_arguments(node);
 				const discover = {
-					ptr: func,
+					func,
 					signature: args,
 					async: node.async,
 				};
@@ -293,6 +293,41 @@ function node_loader_trampoline_discover_function(func) {
 	}
 }
 
+function node_loader_trampoline_discover_klass(klass) {
+		try {
+		if (node_loader_trampoline_is_callable(klass)) {
+			const str = klass.toString();
+			const ast = espree.parse(`(${str})`, {
+				ecmaVersion: 14
+			});
+
+			const node = (ast.body[0].type === 'ExpressionStatement') && ast.body[0].expression;
+
+			if (node.type === 'ClassExpression') {
+				const discover = {
+					klass
+				};
+
+				if (node.id && node.id.name) {
+					discover['name'] = node.id.name;
+				}
+
+				return discover;
+			}
+		}
+	} catch (ex) {
+		console.log(`Exception while parsing '${klass}' in node_loader_trampoline_discover_klass`, ex);
+	}
+}
+
+function node_loader_trampoline_discover_object(obj) {
+	if (typeof obj === 'object') {
+		return {
+			obj
+		};
+	}
+}
+
 function node_loader_trampoline_discover(handle) {
 	const discover = {};
 
@@ -305,8 +340,9 @@ function node_loader_trampoline_discover(handle) {
 
 			for (let j = 0; j < keys.length; ++j) {
 				const key = keys[j];
-				const func = exports[key];
-				const descriptor = node_loader_trampoline_discover_function(func);
+				const value = exports[key];
+				const descriptor = node_loader_trampoline_discover_function(value)
+					|| node_loader_trampoline_discover_klass(value) || node_loader_trampoline_discover_object(value);
 
 				if (descriptor !== undefined) {
 					discover[key] = descriptor;