Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Runtime/BigInt.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Error.h>
+#include <AK/String.h>
+#include <AK/StringView.h>
+#include <LibCrypto/BigInt/SignedBigInteger.h>
+#include <LibJS/Heap/Cell.h>
+#include <LibJS/Heap/CellAllocator.h>
+
+namespace JS {
+
+class BigInt final : public Cell {
+    JS_CELL(BigInt, Cell);
+    JS_DECLARE_ALLOCATOR(BigInt);
+
+public:
+    [[nodiscard]] static NonnullGCPtr<BigInt> create(VM&, Crypto::SignedBigInteger);
+
+    virtual ~BigInt() override = default;
+
+    Crypto::SignedBigInteger const& big_integer() const { return m_big_integer; }
+
+    ErrorOr<String> to_string() const;
+    ByteString to_byte_string() const { return ByteString::formatted("{}n", m_big_integer.to_base_deprecated(10)); }
+
+private:
+    explicit BigInt(Crypto::SignedBigInteger);
+
+    Crypto::SignedBigInteger m_big_integer;
+};
+
+ThrowCompletionOr<BigInt*> number_to_bigint(VM&, Value);
+
+}