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doc: remove usage of deprecated V8 APIs in addons.md #22667

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doc: remove usage of deprecated V8 APIs in addons.md #22667

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24 changes: 14 additions & 10 deletions doc/api/addons.md
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Original file line number Diff line number Diff line change
Expand Up @@ -487,7 +487,8 @@ void Add(const FunctionCallbackInfo<Value>& args) {
}

// Perform the operation
double value = args[0]->NumberValue() + args[1]->NumberValue();
double value =
args[0].As<Number>()->Value() + args[1].As<Number>()->Value();
Local<Number> num = Number::New(isolate, value);

// Set the return value (using the passed in
Expand Down Expand Up @@ -593,7 +594,7 @@ void CreateObject(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();

Local<Object> obj = Object::New(isolate);
obj->Set(String::NewFromUtf8(isolate, "msg"), args[0]->ToString());
obj->Set(String::NewFromUtf8(isolate, "msg"), args[0]->ToString(isolate));

args.GetReturnValue().Set(obj);
}
Expand Down Expand Up @@ -779,18 +780,19 @@ void MyObject::Init(Local<Object> exports) {

void MyObject::New(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();

if (args.IsConstructCall()) {
// Invoked as constructor: `new MyObject(...)`
double value = args[0]->IsUndefined() ? 0 : args[0]->NumberValue();
double value = args[0]->IsUndefined() ?
0 : args[0]->NumberValue(context).FromMaybe(0);
MyObject* obj = new MyObject(value);
obj->Wrap(args.This());
args.GetReturnValue().Set(args.This());
} else {
// Invoked as plain function `MyObject(...)`, turn into construct call.
const int argc = 1;
Local<Value> argv[argc] = { args[0] };
Local<Context> context = isolate->GetCurrentContext();
Local<Function> cons = Local<Function>::New(isolate, constructor);
Local<Object> result =
cons->NewInstance(context, argc, argv).ToLocalChecked();
Expand Down Expand Up @@ -961,10 +963,12 @@ void MyObject::Init(Isolate* isolate) {

void MyObject::New(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();

if (args.IsConstructCall()) {
// Invoked as constructor: `new MyObject(...)`
double value = args[0]->IsUndefined() ? 0 : args[0]->NumberValue();
double value = args[0]->IsUndefined() ?
0 : args[0]->NumberValue(context).FromMaybe(0);
MyObject* obj = new MyObject(value);
obj->Wrap(args.This());
args.GetReturnValue().Set(args.This());
Expand All @@ -973,7 +977,6 @@ void MyObject::New(const FunctionCallbackInfo<Value>& args) {
const int argc = 1;
Local<Value> argv[argc] = { args[0] };
Local<Function> cons = Local<Function>::New(isolate, constructor);
Local<Context> context = isolate->GetCurrentContext();
Local<Object> instance =
cons->NewInstance(context, argc, argv).ToLocalChecked();
args.GetReturnValue().Set(instance);
Expand Down Expand Up @@ -1076,9 +1079,9 @@ void Add(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();

MyObject* obj1 = node::ObjectWrap::Unwrap<MyObject>(
args[0]->ToObject());
args[0]->ToObject(isolate));
MyObject* obj2 = node::ObjectWrap::Unwrap<MyObject>(
args[1]->ToObject());
args[1]->ToObject(isolate));

double sum = obj1->value() + obj2->value();
args.GetReturnValue().Set(Number::New(isolate, sum));
Expand Down Expand Up @@ -1168,18 +1171,19 @@ void MyObject::Init(Isolate* isolate) {

void MyObject::New(const FunctionCallbackInfo<Value>& args) {
Isolate* isolate = args.GetIsolate();
Local<Context> context = isolate->GetCurrentContext();

if (args.IsConstructCall()) {
// Invoked as constructor: `new MyObject(...)`
double value = args[0]->IsUndefined() ? 0 : args[0]->NumberValue();
double value = args[0]->IsUndefined() ?
0 : args[0]->NumberValue(context).FromMaybe(0);
MyObject* obj = new MyObject(value);
obj->Wrap(args.This());
args.GetReturnValue().Set(args.This());
} else {
// Invoked as plain function `MyObject(...)`, turn into construct call.
const int argc = 1;
Local<Value> argv[argc] = { args[0] };
Local<Context> context = isolate->GetCurrentContext();
Local<Function> cons = Local<Function>::New(isolate, constructor);
Local<Object> instance =
cons->NewInstance(context, argc, argv).ToLocalChecked();
Expand Down