fix: correctly handle parenthesised FunctionExpressions (#49)

 fixes sveltejs/svelte#14595

Author: Ocean-OS

.changeset/fresh-dolphins-grow.md

@@ -0,0 +1,5 @@
+---
+'esrap': patch
+---
+
+fix: correctly handle parenthesised FunctionExpressions

src/handlers.js

@@ -1054,7 +1054,8 @@ const handlers = {
 		if (
 			node.expression.type === 'ObjectExpression' ||
 			(node.expression.type === 'AssignmentExpression' &&
-				node.expression.left.type === 'ObjectPattern')
+				node.expression.left.type === 'ObjectPattern') ||
+			node.expression.type === 'FunctionExpression'
 		) {
 			// is an AssignmentExpression to an ObjectPattern
 			state.commands.push('(');

test/samples/function-expression/expected.js

@@ -0,0 +1,3 @@
+(function () {});
+
+let object = { foo() {} };

test/samples/function-expression/expected.js.map

@@ -0,0 +1,8 @@
+(function(){
+
+})
+let object = {
+    foo() {
+        
+    }
+}