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Now building wasm target of Realm Core
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| #pragma once | ||
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| #include <emscripten.h> | ||
| #include <realm_helpers.h> | ||
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| namespace realm::js::wasm { | ||
| namespace { | ||
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| REALM_NOINLINE inline emscripten::val toEmscriptenErrorCode(const std::error_code& e) noexcept | ||
| { | ||
| REALM_ASSERT_RELEASE(e); | ||
| auto jsErr = emscripten::val::global("Error")(emscripten::val(e.message())); | ||
| jsErr.set("code", e.value()); | ||
| jsErr.set("category", e.category().name()); | ||
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| return jsErr; | ||
| } | ||
| REALM_NOINLINE inline emscripten::val toEmscriptenException(const std::exception& e) noexcept | ||
| { | ||
| return emscripten::val::global("Error")(std::string(e.what())); | ||
| } | ||
| REALM_NOINLINE inline emscripten::val toEmscriptenException(const std::exception_ptr& e) noexcept | ||
| { | ||
| try { | ||
| std::rethrow_exception(e); | ||
| } | ||
| catch (const std::exception& e) { | ||
| return toEmscriptenException(e); | ||
| } | ||
| catch (...) { | ||
| return emscripten::val::global("Error")(std::string("Unknown error")); | ||
| } | ||
| } | ||
| // Allocate a new C++ buffer big enough to fit the JS buffer | ||
| // Create a JS memory view around the C++ buffer | ||
| // Call TypedArray.prototype.set to efficiently copy the JS buffer into the C++ buffer via the view | ||
| REALM_NOINLINE inline std::string toBinaryData(const emscripten::val array_buffer) noexcept | ||
| { | ||
| REALM_ASSERT(array_buffer.instanceof (emscripten::val::global("ArrayBuffer"))); | ||
| std::string buf; | ||
| buf.resize(array_buffer["byteLength"].as<int32_t>()); | ||
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| emscripten::val mv(emscripten::typed_memory_view(buf.length(), buf.data())); | ||
| mv.call<void>("set", emscripten::val::global("Uint8Array").new_(array_buffer)); | ||
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| return buf; | ||
| } | ||
| REALM_NOINLINE inline OwnedBinaryData toOwnedBinaryData(const emscripten::val array_buffer) noexcept | ||
| { | ||
| REALM_ASSERT(array_buffer.instanceof (emscripten::val::global("ArrayBuffer"))); | ||
| auto length = array_buffer["byteLength"].as<int32_t>(); | ||
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| std::unique_ptr<char[]> buf(new char[length]); | ||
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| emscripten::val mv(emscripten::typed_memory_view(length, buf.get())); | ||
| mv.call<void>("set", emscripten::val::global("Uint8Array").new_(array_buffer)); | ||
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| return OwnedBinaryData(std::move(buf), length); | ||
| } | ||
| } // namespace | ||
| } // namespace realm::js::wasm |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| //////////////////////////////////////////////////////////////////////////// | ||
| // | ||
| // Copyright 2024 Realm Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| //////////////////////////////////////////////////////////////////////////// | ||
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| import { injectAndPatch } from "../binding"; | ||
| const bindingPromise = import("../../../binding/generated/native.wasm.cjs"); | ||
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| bindingPromise.then(injectAndPatch); |
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