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Fix napi_create_dataview

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This commit is contained in:
Ben Grant
2024-10-16 17:26:33 -07:00
parent 2d0e0c9195
commit 7be1bf3026
1 changed files with 9 additions and 3 deletions
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12
src/bun.js/bindings/napi.cpp
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@@ -1753,18 +1753,24 @@ extern "C" napi_status napi_create_dataview(napi_env env, size_t length,
size_t byte_offset,
napi_value* result)
{
NAPI_PREAMBLE(env);
NAPI_PREAMBLE_NO_THROW_SCOPE(env);
Zig::GlobalObject* globalObject = toJS(env);
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
RETURN_IF_EXCEPTION(scope, napi_set_last_error(env, napi_pending_exception));
NAPI_CHECK_ARG(env, arraybuffer);
NAPI_CHECK_ARG(env, result);
JSC::JSValue arraybufferValue = toJS(arraybuffer);
auto arraybufferPtr = JSC::jsDynamicCast<JSC::JSArrayBuffer*>(arraybufferValue);
NAPI_RETURN_EARLY_IF_FALSE(env, arraybufferPtr, napi_arraybuffer_expected);
Zig::GlobalObject* globalObject = toJS(env);
if (byte_offset + length > arraybufferPtr->impl()->byteLength()) {
JSC::throwRangeError(globalObject, scope, "byteOffset exceeds source ArrayBuffer byteLength"_s);
RETURN_IF_EXCEPTION(scope, napi_set_last_error(env, napi_pending_exception));
}
auto dataView = JSC::DataView::create(arraybufferPtr->impl(), byte_offset, length);
*result = toNapi(dataView->wrap(globalObject, globalObject), globalObject);
NAPI_RETURN_SUCCESS(env);
RELEASE_AND_RETURN(scope, napi_set_last_error(env, napi_ok));
}
namespace Zig {