add back this

packages/@winglang/wingc/src/jsify/tests.rs

@@ -2055,6 +2055,15 @@ fn lift_self_reference() {
 	);
 }
 
+#[test]
+fn entrypoint_this() {
+	assert_compile_ok!(
+		r#"
+    this;
+    "#
+	);
+}
+
 #[test]
 fn allow_type_def_before_super() {
 	assert_compile_ok!(

packages/@winglang/wingc/src/lib.rs

@@ -291,6 +291,11 @@ pub fn type_check_file(
 	);
 	tc.add_builtins(scope);
 
+	// If the file is an entrypoint file, we add "this" to its symbol environment
+	if is_entrypoint_file(&file.path) {
+		tc.add_this(&mut env);
+	}
+
 	tc.type_check_file_or_dir(scope);
 }
 

tests/valid/factory.test.w

@@ -0,0 +1,25 @@
+bring cloud;
+bring "constructs" as constructs;
+bring expect;
+
+class BucketFactory {
+  pub static makeBucket(scope: constructs.IConstruct): cloud.Bucket {
+    let bucket = new cloud.Bucket() in scope;
+    // apply customizations to bucket...
+    return bucket;
+  }
+}
+
+// Test that we can use the factory pattern by passing top-level "this"
+let bucket = BucketFactory.makeBucket(this);
+log(nodeof(bucket).path);
+
+test "can use bucket" {
+  bucket.put("hello", "world");
+  expect.equal(bucket.list().length, 1);
+}
+
+test "can use other bucket" {
+  bucket.put("yo", "sup");
+  expect.equal(bucket.list().length, 1);
+}

tests/valid/inflight_closure_as_super_param.test.w

@@ -1,5 +1,3 @@
-bring expect;
-
 class Foo {}
 
 class Base {
@@ -29,9 +27,9 @@ let c = new Derived() as "derived";
 assert(nodeof(c.f).path.endsWith("derived/in_derived"));
 // Make sure the instance created in the super call is scoped to the parent (root)
 assert(!nodeof(c.f_base).path.endsWith("derived/in_root"));
-let appPath = nodeof(@app).path;
-expect.equal(nodeof(c.f_base).path, "{appPath}/Default/in_root");
+let appPath = nodeof(this).path;
+assert(nodeof(c.f_base).path == "{appPath}/in_root");
 
-test "boom!" {
-  expect.equal(c.h(), "boom!");
+test "boom!" {
+  assert(c.h() == "boom!");
 }