Web Streams API (#176)

* [bun.js] `WritableStream`, `ReadableStream`, `TransformStream`, `WritableStreamDefaultController`, `ReadableStreamDefaultController` & more

* Implement `Blob.stream()`

* Update streams.test.js

* Fix sourcemaps crash

* [TextEncoder] 3x faster in hot loops

* reading almost works

* start to implement native streams

* Implement `Blob.stream()`

* Implement `Bun.file(pathOrFd).stream()`

* Add an extra function

* [fs.readFile] Improve performance

* make jsc bindings a little easier to work with

* fix segfault

* faster async/await + readablestream optimizations

* WebKit updates

* More WebKit updates

* Add releaseWEakrefs binding

* `bun:jsc`

* More streams

* Update streams.test.js

* Update Makefile

* Update mimalloc

* Update WebKit

* Create bun-jsc.test.js

* Faster ReadableStream

* Fix off by one & exceptions

* Handle empty files/blobs

* Update streams.test.js

* Move streams to it's own file

* temp

* impl #1

* take two

* good enough for now

* Implement `readableStreamToArray`, `readableStreamToArrayBuffer`, `concatArrayBuffers`

* jsxOptimizationInlining

* Fix crash

* Add `jsxOptimizationInline` to Bun.Transpiler

* Update Transpiler types

* Update js_ast.zig

* Automatically choose production mode when NODE_ENV="production"

* Update cli.zig

* [jsx] Handle defaultProps when inlining

* Update transpiler.test.js

* uncomment some tests

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSourceCustom.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamSourceCustom.cpp
new file mode 100644
index 000000000..476c0f852
--- /dev/null
+++ b/src/javascript/jsc/bindings/webcore/JSReadableStreamSourceCustom.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2016 Canon Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted, provided that the following conditions
+ * are required to be 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.
+ * 3.  Neither the name of Canon Inc. nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CANON 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 CANON INC. AND 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.
+ */
+
+#include "config.h"
+#include "JSReadableStreamSource.h"
+
+#include "JSDOMPromiseDeferred.h"
+
+namespace WebCore {
+using namespace JSC;
+
+JSValue JSReadableStreamSource::start(JSGlobalObject& lexicalGlobalObject, CallFrame& callFrame, Ref<DeferredPromise>&& promise)
+{
+    VM& vm = lexicalGlobalObject.vm();
+    
+    // FIXME: Why is it ok to ASSERT the argument count here?
+    ASSERT(callFrame.argumentCount());
+    JSReadableStreamDefaultController* controller = jsDynamicCast<JSReadableStreamDefaultController*>(callFrame.uncheckedArgument(0));
+    ASSERT(controller);
+
+    m_controller.set(vm, this, controller);
+
+    wrapped().start(ReadableStreamDefaultController(controller), WTFMove(promise));
+
+    return jsUndefined();
+}
+
+JSValue JSReadableStreamSource::pull(JSGlobalObject&, CallFrame&, Ref<DeferredPromise>&& promise)
+{
+    wrapped().pull(WTFMove(promise));
+    return jsUndefined();
+}
+
+JSValue JSReadableStreamSource::controller(JSGlobalObject&) const
+{
+    ASSERT_NOT_REACHED();
+    return jsUndefined();
+}
+
+}