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functions.cc
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functions.cc
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#include "functions.h"
NAN_METHOD(nothing) {
}
NAN_METHOD(aString) {
info.GetReturnValue().Set(Nan::New("This is a thing.").ToLocalChecked());
}
NAN_METHOD(aBoolean) {
info.GetReturnValue().Set(false);
}
NAN_METHOD(aNumber) {
info.GetReturnValue().Set(1.75);
}
NAN_METHOD(anObject) {
v8::Local<v8::Object> obj = Nan::New<v8::Object>();
Nan::Set(obj, Nan::New("key").ToLocalChecked(), Nan::New("value").ToLocalChecked());
info.GetReturnValue().Set(obj);
}
NAN_METHOD(anArray) {
v8::Local<v8::Array> arr = Nan::New<v8::Array>(3);
Nan::Set(arr, 0, Nan::New(1));
Nan::Set(arr, 1, Nan::New(2));
Nan::Set(arr, 2, Nan::New(3));
info.GetReturnValue().Set(arr);
}
NAN_METHOD(callback) {
v8::Local<v8::Function> callbackHandle = info[0].As<v8::Function>();
Nan::AsyncResource* resource = new Nan::AsyncResource(Nan::New<v8::String>("MyObject:CallCallback").ToLocalChecked());
resource->runInAsyncScope(Nan::GetCurrentContext()->Global(), callbackHandle, 0, 0);
}
NAN_METHOD(callbackWithParameter) {
v8::Local<v8::Function> callbackHandle = info[0].As<v8::Function>();
Nan::AsyncResource* resource = new Nan::AsyncResource(Nan::New<v8::String>("MyObject:CallCallbackWithParam").ToLocalChecked());
int argc = 1;
v8::Local<v8::Value> argv[] = {
Nan::New("parameter test").ToLocalChecked()
};
resource->runInAsyncScope(Nan::GetCurrentContext()->Global(), callbackHandle, argc, argv);
}
// Wrapper Impl
Nan::Persistent<v8::Function> MyObject::constructor;
NAN_MODULE_INIT(MyObject::Init) {
v8::Local<v8::FunctionTemplate> tpl = Nan::New<v8::FunctionTemplate>(New);
tpl->SetClassName(Nan::New("MyObject").ToLocalChecked());
tpl->InstanceTemplate()->SetInternalFieldCount(1);
Nan::SetPrototypeMethod(tpl, "plusOne", PlusOne);
constructor.Reset(Nan::GetFunction(tpl).ToLocalChecked());
Nan::Set(target, Nan::New("MyObject").ToLocalChecked(), Nan::GetFunction(tpl).ToLocalChecked());
}
MyObject::MyObject(double value) : value_(value) {
}
MyObject::~MyObject() {
}
NAN_METHOD(MyObject::New) {
if (info.IsConstructCall()) {
double value = info[0]->IsUndefined() ? 0 : Nan::To<double>(info[0]).FromJust();
MyObject *obj = new MyObject(value);
obj->Wrap(info.This());
info.GetReturnValue().Set(info.This());
} else {
const int argc = 1;
v8::Local<v8::Value> argv[argc] = {info[0]};
v8::Local<v8::Function> cons = Nan::New(constructor);
info.GetReturnValue().Set(Nan::NewInstance(cons, argc, argv).ToLocalChecked());
}
}
NAN_METHOD(MyObject::PlusOne) {
MyObject* obj = Nan::ObjectWrap::Unwrap<MyObject>(info.This());
obj->value_ += 1;
info.GetReturnValue().Set(obj->value_);
}