Does not build with node 12

[ml-]

I'm trying to build an application that uses @paulcbetts/system-idle-time as a dependency.
The build fails when using node 12

Error:

Exit code: 1
Command: node-gyp rebuild
Arguments: 
Directory: /home/ml/apps/rocketchat-desktop/src/Rocket.Chat.Electron-2.15.5/node_modules/@paulcbetts/system-idle-time
Output:
gyp info it worked if it ends with ok
gyp info using node-gyp@5.0.2
gyp info using node@12.8.0 | linux | x64
gyp info find Python using Python version 2.7.16 found at "/usr/bin/python2"
gyp info spawn /usr/bin/python2
gyp info spawn args [
gyp info spawn args   '/usr/lib/node_modules/node-gyp/gyp/gyp_main.py',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'make',
gyp info spawn args   '-I',
gyp info spawn args   '/home/ml/apps/rocketchat-desktop/src/Rocket.Chat.Electron-2.15.5/node_modules/@paulcbetts/system-idle-time/build/config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/lib/node_modules/node-gyp/addon.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/home/ml/.cache/node-gyp/12.8.0/include/node/common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=/home/ml/.cache/node-gyp/12.8.0',
gyp info spawn args   '-Dnode_gyp_dir=/usr/lib/node_modules/node-gyp',
gyp info spawn args   '-Dnode_lib_file=/home/ml/.cache/node-gyp/12.8.0/<(target_arch)/node.lib',
gyp info spawn args   '-Dmodule_root_dir=/home/ml/apps/rocketchat-desktop/src/Rocket.Chat.Electron-2.15.5/node_modules/@paulcbetts/system-idle-time',
gyp info spawn args   '-Dnode_engine=v8',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--no-parallel',
gyp info spawn args   '--generator-output',
gyp info spawn args   'build',
gyp info spawn args   '-Goutput_dir=.'
gyp info spawn args ]
gyp info spawn make
gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
make: Entering directory '/home/ml/apps/rocketchat-desktop/src/Rocket.Chat.Electron-2.15.5/node_modules/@paulcbetts/system-idle-time/build'
CXX(target) Release/obj.target/system_idle_time/src/module.o
In file included from ../node_modules/nan/nan_converters.h:67,
from ../node_modules/nan/nan.h:222,
from ../src/module.h:4,
from ../src/module.cc:1:
../node_modules/nan/nan_converters_43_inl.h: In static member function ‘static Nan::imp::ToFactoryBase<v8::Boolean>::return_t Nan::imp::ToFactory<v8::Boolean>::convert(v8::Local<v8::Value>)’:
../node_modules/nan/nan_converters_43_inl.h:18:51: warning: ‘v8::MaybeLocal<v8::Boolean> v8::Value::ToBoolean(v8::Local<v8::Context>) const’ is deprecated: ToBoolean can never throw. Use Local version. [-Wdeprecated-declarations]
18 |       val->To ## TYPE(isolate->GetCurrentContext())                            \
|                                                   ^
../node_modules/nan/nan_converters_43_inl.h:22:1: note: in expansion of macro ‘X’
22 | X(Boolean)
| ^
In file included from /home/ml/.cache/node-gyp/12.8.0/include/node/v8-internal.h:14,
from /home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:25,
from /home/ml/.cache/node-gyp/12.8.0/include/node/node.h:63,
from ../node_modules/nan/nan.h:53,
from ../src/module.h:4,
from ../src/module.cc:1:
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:2531:59: note: declared here
2531 |                 V8_WARN_UNUSED_RESULT MaybeLocal<Boolean> ToBoolean(
|                                                           ^~~~~~~~~
/home/ml/.cache/node-gyp/12.8.0/include/node/v8config.h:311:3: note: in definition of macro ‘V8_DEPRECATED’
311 |   declarator __attribute__((deprecated(message)))
|   ^~~~~~~~~~
In file included from ../node_modules/nan/nan_converters.h:67,
from ../node_modules/nan/nan.h:222,
from ../src/module.h:4,
from ../src/module.cc:1:
../node_modules/nan/nan_converters_43_inl.h: In static member function ‘static Nan::imp::ValueFactoryBase<bool>::return_t Nan::imp::ToFactory<bool>::convert(v8::Local<v8::Value>)’:
../node_modules/nan/nan_converters_43_inl.h:37:57: warning: ‘v8::Maybe<bool> v8::Value::BooleanValue(v8::Local<v8::Context>) const’ is deprecated: BooleanValue can never throw. Use Isolate version. [-Wdeprecated-declarations]
37 |   return val->NAME ## Value(isolate->GetCurrentContext());                     \
|                                                         ^
../node_modules/nan/nan_converters_43_inl.h:40:1: note: in expansion of macro ‘X’
40 | X(bool, Boolean)
| ^
In file included from /home/ml/.cache/node-gyp/12.8.0/include/node/v8-internal.h:14,
from /home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:25,
from /home/ml/.cache/node-gyp/12.8.0/include/node/node.h:63,
from ../node_modules/nan/nan.h:53,
from ../src/module.h:4,
from ../src/module.cc:1:
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:2569:51: note: declared here
2569 |                 V8_WARN_UNUSED_RESULT Maybe<bool> BooleanValue(
|                                                   ^~~~~~~~~~~~
/home/ml/.cache/node-gyp/12.8.0/include/node/v8config.h:311:3: note: in definition of macro ‘V8_DEPRECATED’
311 |   declarator __attribute__((deprecated(message)))
|   ^~~~~~~~~~
In file included from ../node_modules/nan/nan_new.h:189,
from ../node_modules/nan/nan.h:223,
from ../src/module.h:4,
from ../src/module.cc:1:
../node_modules/nan/nan_implementation_12_inl.h: In static member function ‘static Nan::imp::FactoryBase<v8::StringObject>::return_t Nan::imp::Factory<v8::StringObject>::New(v8::Local<v8::String>)’:
../node_modules/nan/nan_implementation_12_inl.h:356:37: error: no matching function for call to ‘v8::StringObject::New(v8::Local<v8::String>&)’
356 |   return v8::StringObject::New(value).As<v8::StringObject>();
|                                     ^
In file included from /home/ml/.cache/node-gyp/12.8.0/include/node/node.h:63,
from ../node_modules/nan/nan.h:53,
from ../src/module.h:4,
from ../src/module.cc:1:
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:5388:23: note: candidate: ‘static v8::Local<v8::Value> v8::StringObject::New(v8::Isolate*, v8::Local<v8::String>)’
5388 |   static Local<Value> New(Isolate* isolate, Local<String> value);
|                       ^~~
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:5388:23: note:   candidate expects 2 arguments, 1 provided
In file included from ../node_modules/nan/nan_new.h:189,
from ../node_modules/nan/nan.h:223,
from ../src/module.h:4,
from ../src/module.cc:1:
../node_modules/nan/nan_implementation_12_inl.h:356:58: error: expected primary-expression before ‘>’ token
356 |   return v8::StringObject::New(value).As<v8::StringObject>();
|                                                          ^
../node_modules/nan/nan_implementation_12_inl.h:356:60: error: expected primary-expression before ‘)’ token
356 |   return v8::StringObject::New(value).As<v8::StringObject>();
|                                                            ^
In file included from ../src/module.h:4,
from ../src/module.cc:1:
../node_modules/nan/nan.h: In function ‘void Nan::AsyncQueueWorker(Nan::AsyncWorker*)’:
../node_modules/nan/nan.h:2232:62: warning: cast between incompatible function types from ‘void (*)(uv_work_t*)’ {aka ‘void (*)(uv_work_s*)’} to ‘uv_after_work_cb’ {aka ‘void (*)(uv_work_s*, int)’} [-Wcast-function-type]
2232 |     , reinterpret_cast<uv_after_work_cb>(AsyncExecuteComplete)
|                                                              ^
In file included from /usr/include/c++/9.1.0/cassert:44,
from /home/ml/.cache/node-gyp/12.8.0/include/node/node_object_wrap.h:26,
from ../node_modules/nan/nan.h:55,
from ../src/module.h:4,
from ../src/module.cc:1:
../node_modules/nan/nan_object_wrap.h: In destructor ‘virtual Nan::ObjectWrap::~ObjectWrap()’:
../node_modules/nan/nan_object_wrap.h:24:25: error: ‘class Nan::Persistent<v8::Object>’ has no member named ‘IsNearDeath’
24 |     assert(persistent().IsNearDeath());
|                         ^~~~~~~~~~~
../node_modules/nan/nan_object_wrap.h: In static member function ‘static void Nan::ObjectWrap::WeakCallback(const v8::WeakCallbackInfo<Nan::ObjectWrap>&)’:
../node_modules/nan/nan_object_wrap.h:127:26: error: ‘class Nan::Persistent<v8::Object>’ has no member named ‘IsNearDeath’
127 |     assert(wrap->handle_.IsNearDeath());
|                          ^~~~~~~~~~~
In file included from ../node_modules/nan/nan.h:53,
from ../src/module.h:4,
from ../src/module.cc:1:
../src/module.cc: At global scope:
/home/ml/.cache/node-gyp/12.8.0/include/node/node.h:556:43: warning: cast between incompatible function types from ‘void (*)(v8::Local<v8::Object>)’ to ‘node::addon_register_func’ {aka ‘void (*)(v8::Local<v8::Object>, v8::Local<v8::Value>, void*)’} [-Wcast-function-type]
556 |       (node::addon_register_func) (regfunc),                          \
|                                           ^
/home/ml/.cache/node-gyp/12.8.0/include/node/node.h:590:3: note: in expansion of macro ‘NODE_MODULE_X’
590 |   NODE_MODULE_X(modname, regfunc, NULL, 0)  // NOLINT (readability/null_usage)
|   ^~~~~~~~~~~~~
../src/module.cc:18:1: note: in expansion of macro ‘NODE_MODULE’
18 | NODE_MODULE(system_idle_time, IdleTime::Init)
| ^~~~~~~~~~~
In file included from /home/ml/.cache/node-gyp/12.8.0/include/node/node.h:63,
from ../node_modules/nan/nan.h:53,
from ../src/module.h:4,
from ../src/module.cc:1:
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h: In instantiation of ‘void v8::PersistentBase<T>::SetWeak(P*, typename v8::WeakCallbackInfo<P>::Callback, v8::WeakCallbackType) [with P = node::ObjectWrap; T = v8::Object; typename v8::WeakCallbackInfo<P>::Callback = void (*)(const v8::WeakCallbackInfo<node::ObjectWrap>&)]’:
/home/ml/.cache/node-gyp/12.8.0/include/node/node_object_wrap.h:84:78:   required from here
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:9853:16: warning: cast between incompatible function types from ‘v8::WeakCallbackInfo<node::ObjectWrap>::Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<node::ObjectWrap>&)’} to ‘Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<void>&)’} [-Wcast-function-type]
9853 |                reinterpret_cast<Callback>(callback), type);
|                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h: In instantiation of ‘void v8::PersistentBase<T>::SetWeak(P*, typename v8::WeakCallbackInfo<P>::Callback, v8::WeakCallbackType) [with P = Nan::ObjectWrap; T = v8::Object; typename v8::WeakCallbackInfo<P>::Callback = void (*)(const v8::WeakCallbackInfo<Nan::ObjectWrap>&)]’:
../node_modules/nan/nan_object_wrap.h:66:61:   required from here
/home/ml/.cache/node-gyp/12.8.0/include/node/v8.h:9853:16: warning: cast between incompatible function types from ‘v8::WeakCallbackInfo<Nan::ObjectWrap>::Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<Nan::ObjectWrap>&)’} to ‘Callback’ {aka ‘void (*)(const v8::WeakCallbackInfo<void>&)’} [-Wcast-function-type]
make: *** [system_idle_time.target.mk:108: Release/obj.target/system_idle_time/src/module.o] Error 1