113 lines
4.7 KiB
C++
113 lines
4.7 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 <jsinspector-modern/RuntimeTarget.h>
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namespace facebook::react::jsinspector_modern {
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void RuntimeTarget::installDebuggerSessionObserver() {
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jsExecutor_([](jsi::Runtime& runtime) {
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auto globalObj = runtime.global();
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try {
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auto observer = jsi::Object(runtime);
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observer.setProperty(runtime, "hasActiveSession", jsi::Value(false));
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auto setFunction = globalObj.getPropertyAsFunction(runtime, "Set");
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auto set = setFunction.callAsConstructor(runtime);
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observer.setProperty(runtime, "subscribers", set);
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observer.setProperty(
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runtime,
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"onSessionStatusChange",
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jsi::Function::createFromHostFunction(
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runtime,
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jsi::PropNameID::forAscii(runtime, "onSessionStatusChange"),
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1,
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[](jsi::Runtime& onSessionStatusChangeRuntime,
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const jsi::Value& /* onSessionStatusChangeThisVal */,
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const jsi::Value* onSessionStatusChangeArgs,
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size_t onSessionStatusChangeArgsCount) {
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if (onSessionStatusChangeArgsCount != 1 ||
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!onSessionStatusChangeArgs[0].isBool()) {
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throw jsi::JSError(
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onSessionStatusChangeRuntime,
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"Invalid arguments: onSessionStatusChange expects 1 boolean argument");
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}
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bool updatedStatus = onSessionStatusChangeArgs[0].getBool();
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auto observerInstanceFromOnSessionStatusChange =
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onSessionStatusChangeRuntime.global().getPropertyAsObject(
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onSessionStatusChangeRuntime,
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"__DEBUGGER_SESSION_OBSERVER__");
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auto subscribersToNotify =
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observerInstanceFromOnSessionStatusChange
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.getPropertyAsObject(
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onSessionStatusChangeRuntime, "subscribers");
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observerInstanceFromOnSessionStatusChange.setProperty(
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onSessionStatusChangeRuntime,
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"hasActiveSession",
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updatedStatus);
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if (subscribersToNotify
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.getProperty(onSessionStatusChangeRuntime, "size")
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.asNumber() == 0) {
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return jsi::Value::undefined();
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}
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auto forEachSubscriber =
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subscribersToNotify.getPropertyAsFunction(
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onSessionStatusChangeRuntime, "forEach");
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auto forEachSubscriberCallback =
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jsi::Function::createFromHostFunction(
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onSessionStatusChangeRuntime,
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jsi::PropNameID::forAscii(
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onSessionStatusChangeRuntime, "forEachCallback"),
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1,
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[updatedStatus](
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jsi::Runtime& forEachCallbackRuntime,
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const jsi::Value& /* forEachCallbackThisVal */,
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const jsi::Value* forEachCallbackArgs,
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size_t forEachCallbackArgsCount) {
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if (forEachCallbackArgsCount < 1 ||
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!forEachCallbackArgs[0].isObject() ||
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!forEachCallbackArgs[0]
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.getObject(forEachCallbackRuntime)
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.isFunction(forEachCallbackRuntime)) {
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throw jsi::JSError(
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forEachCallbackRuntime,
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"Invalid arguments: forEachSubscriberCallback expects function as a first argument");
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}
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forEachCallbackArgs[0]
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.getObject(forEachCallbackRuntime)
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.asFunction(forEachCallbackRuntime)
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.call(forEachCallbackRuntime, updatedStatus);
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return jsi::Value::undefined();
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});
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forEachSubscriber.callWithThis(
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onSessionStatusChangeRuntime,
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subscribersToNotify,
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forEachSubscriberCallback);
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return jsi::Value::undefined();
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}));
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globalObj.setProperty(runtime, "__DEBUGGER_SESSION_OBSERVER__", observer);
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} catch (jsi::JSError&) {
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// Suppress any errors, they should not be visible to the user
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// and should not affect runtime.
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}
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});
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}
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} // namespace facebook::react::jsinspector_modern
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