react-native/React/CxxBridge/RCTJSCHelpers.mm

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// Copyright 2004-present Facebook. All Rights Reserved.
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#include "RCTJSCHelpers.h"
#import <Foundation/Foundation.h>
#import <React/RCTBridge+Private.h>
#import <React/RCTLog.h>
#import <cxxreact/Platform.h>
#import <jschelpers/Value.h>
using namespace facebook::react;
namespace {
JSValueRef nativeLoggingHook(
JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount,
const JSValueRef arguments[], JSValueRef *exception) {
RCTLogLevel level = RCTLogLevelInfo;
if (argumentCount > 1) {
level = MAX(level, (RCTLogLevel)Value(ctx, arguments[1]).asNumber());
}
if (argumentCount > 0) {
String message = Value(ctx, arguments[0]).toString();
_RCTLogJavaScriptInternal(level, @(message.str().c_str()));
}
return Value::makeUndefined(ctx);
}
JSValueRef nativePerformanceNow(
JSContextRef ctx, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount,
const JSValueRef arguments[], JSValueRef *exception) {
return Value::makeNumber(ctx, CACurrentMediaTime() * 1000);
}
}
void RCTPrepareJSCExecutor() {
ReactMarker::logMarker = [](const std::string&) {};
PerfLogging::installNativeHooks = RCTFBQuickPerformanceLoggerConfigureHooks;
JSNativeHooks::loggingHook = nativeLoggingHook;
JSNativeHooks::nowHook = nativePerformanceNow;
}