40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
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/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "jsi-utils.h"
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namespace facebook::react {
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void defineReadOnlyGlobal(
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jsi::Runtime& runtime,
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const std::string& propName,
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jsi::Value&& value) {
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auto global = runtime.global();
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if (global.hasProperty(runtime, propName.c_str())) {
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throw jsi::JSError(
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runtime,
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"Tried to redefine read-only global \"" + propName +
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"\", but read-only globals can only be defined once.");
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}
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jsi::Object jsObject =
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global.getProperty(runtime, "Object").asObject(runtime);
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jsi::Function defineProperty = jsObject.getProperty(runtime, "defineProperty")
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.asObject(runtime)
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.asFunction(runtime);
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jsi::Object descriptor = jsi::Object(runtime);
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descriptor.setProperty(runtime, "value", std::move(value));
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defineProperty.callWithThis(
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runtime,
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jsObject,
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global,
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jsi::String::createFromUtf8(runtime, propName),
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descriptor);
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}
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} // namespace facebook::react
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