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72346bd8d4
Instead of telling someone "It is important to do X", just tell them to "Do X." PR-URL: https://github.com/nodejs/node/pull/30108 Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
#include "myobject.h"
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#include "../common.h"
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size_t finalize_count = 0;
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MyObject::MyObject() : env_(nullptr), wrapper_(nullptr) {}
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MyObject::~MyObject() {
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finalize_count++;
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napi_delete_reference(env_, wrapper_);
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}
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void MyObject::Destructor(
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napi_env env, void* nativeObject, void* /*finalize_hint*/) {
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MyObject* obj = static_cast<MyObject*>(nativeObject);
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delete obj;
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}
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napi_ref MyObject::constructor;
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napi_status MyObject::Init(napi_env env) {
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napi_status status;
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napi_value cons;
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status = napi_define_class(
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env, "MyObject", -1, New, nullptr, 0, nullptr, &cons);
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if (status != napi_ok) return status;
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status = napi_create_reference(env, cons, 1, &constructor);
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if (status != napi_ok) return status;
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return napi_ok;
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}
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napi_value MyObject::New(napi_env env, napi_callback_info info) {
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size_t argc = 1;
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napi_value args[1];
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napi_value _this;
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NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &_this, nullptr));
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MyObject* obj = new MyObject();
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napi_valuetype valuetype;
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NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
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if (valuetype == napi_undefined) {
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obj->val_ = 0;
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} else {
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NAPI_CALL(env, napi_get_value_double(env, args[0], &obj->val_));
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}
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obj->env_ = env;
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// The below call to napi_wrap() must request a reference to the wrapped
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// object via the out-parameter, because this ensures that we test the code
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// path that deals with a reference that is destroyed from its own finalizer.
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NAPI_CALL(env, napi_wrap(env,
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_this,
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obj,
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MyObject::Destructor,
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nullptr, // finalize_hint
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&obj->wrapper_));
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return _this;
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}
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napi_status MyObject::NewInstance(napi_env env,
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napi_value arg,
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napi_value* instance) {
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napi_status status;
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const int argc = 1;
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napi_value argv[argc] = {arg};
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napi_value cons;
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status = napi_get_reference_value(env, constructor, &cons);
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if (status != napi_ok) return status;
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status = napi_new_instance(env, cons, argc, argv, instance);
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if (status != napi_ok) return status;
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return napi_ok;
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}
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