1 files changed, 74 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/TextEncoder.cpp b/src/bun.js/bindings/webcore/TextEncoder.cpp
new file mode 100644
index 000000000..1942694cc
--- /dev/null
+++ b/src/bun.js/bindings/webcore/TextEncoder.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 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. ``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
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * 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 "TextEncoder.h"
+
+#include <JavaScriptCore/GenericTypedArrayViewInlines.h>
+#include <JavaScriptCore/JSCInlines.h>
+
+namespace WebCore {
+
+String TextEncoder::encoding() const
+{
+    return "utf-8"_s;
+}
+
+RefPtr<Uint8Array> TextEncoder::encode(String&& input) const
+{
+    // THIS CODE SHOULD NEVER BE REACHED IN BUN
+    RELEASE_ASSERT(1);
+    return nullptr;
+}
+
+auto TextEncoder::encodeInto(String&& input, Ref<Uint8Array>&& array) -> EncodeIntoResult
+{
+    // THIS CODE SHOULD NEVER BE REACHED IN BUN
+    RELEASE_ASSERT(1);
+
+    auto* destinationBytes = static_cast<uint8_t*>(array->baseAddress());
+    auto capacity = array->byteLength();
+
+    uint64_t read = 0;
+    uint64_t written = 0;
+
+    for (auto token : StringView(input).codePoints()) {
+        if (written >= capacity) {
+            ASSERT(written == capacity);
+            break;
+        }
+        UBool sawError = false;
+        U8_APPEND(destinationBytes, written, capacity, token, sawError);
+        if (sawError)
+            break;
+        if (U_IS_BMP(token))
+            read++;
+        else
+            read += 2;
+    }
+
+    return { read, written };
+}
+
+}