1 files changed, 76 insertions, 0 deletions
diff --git a/src/bun.js/builtins/js/TransformStreamDefaultController.js b/src/bun.js/builtins/js/TransformStreamDefaultController.js
new file mode 100644
index 000000000..5ed7d0dfa
--- /dev/null
+++ b/src/bun.js/builtins/js/TransformStreamDefaultController.js
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2020 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+function initializeTransformStreamDefaultController()
+{
+    "use strict";
+
+    return this;
+}
+
+@getter
+function desiredSize()
+{
+    "use strict";
+
+    if (!@isTransformStreamDefaultController(this))
+        throw @makeThisTypeError("TransformStreamDefaultController", "enqueue");
+
+    const stream = @getByIdDirectPrivate(this, "stream");
+    const readable = @getByIdDirectPrivate(stream, "readable");
+    const readableController = @getByIdDirectPrivate(readable, "readableStreamController");
+
+    return @readableStreamDefaultControllerGetDesiredSize(readableController);
+}
+
+function enqueue(chunk)
+{
+    "use strict";
+
+    if (!@isTransformStreamDefaultController(this))
+        throw @makeThisTypeError("TransformStreamDefaultController", "enqueue");
+
+    @transformStreamDefaultControllerEnqueue(this, chunk);
+}
+
+function error(e)
+{
+    "use strict";
+
+    if (!@isTransformStreamDefaultController(this))
+        throw @makeThisTypeError("TransformStreamDefaultController", "error");
+
+    @transformStreamDefaultControllerError(this, e);
+}
+
+function terminate()
+{
+    "use strict";
+
+    if (!@isTransformStreamDefaultController(this))
+        throw @makeThisTypeError("TransformStreamDefaultController", "terminate");
+
+    @transformStreamDefaultControllerTerminate(this);
+}