install on node 12

[buggedcom]

I can't get it to install on Node 12.2.0. It seems to fail when attempting node-gyp rebuild.

What version of node is supported by the library?

ubuntu@ubuntu:~$ npm install

> easybotics-rpi-rgb-led-matrix@0.2.6 install /home/ubuntu/node_modules/easybotics-rpi-rgb-led-matrix
> node-gyp rebuild

make: Entering directory '/home/ubuntu/node_modules/easybotics-rpi-rgb-led-matrix/build'
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/transformer.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/thread.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/pixel-mapper.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/options-initialize.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/multiplex-mappers.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/led-matrix-c.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/led-matrix.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/graphics.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/gpio.o
../external/matrix/lib/gpio.cc: In function ‘void rgb_matrix::{anonymous}::DisableRealtimeThrottling()’:
../external/matrix/lib/gpio.cc:330:8: warning: ignoring return value of ‘ssize_t write(int, const void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
   write(out, "-1", 2);
   ~~~~~^~~~~~~~~~~~~~
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/framebuffer.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/content-streamer.o
  CXX(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/bdf-font.o
  CC(target) Release/obj.target/rpi-rgb-led-matrix/external/matrix/lib/hardware-mapping.o
  AR(target) Release/obj.target/rpi-rgb-led-matrix.a
  COPY Release/rpi-rgb-led-matrix.a
  CXX(target) Release/obj.target/node-rpi-rgb-led-matrix/src/base.o
  CXX(target) Release/obj.target/node-rpi-rgb-led-matrix/src/ledmatrix.o
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::Init(v8::Local<v8::Object>)’:
../src/ledmatrix.cc:78:37: error: no matching function for call to ‘v8::FunctionTemplate::GetFunction()’
  constructor.Reset(tpl->GetFunction());
                                     ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:5947:46: note: candidate: v8::MaybeLocal<v8::Function> v8::FunctionTemplate::GetFunction(v8::Local<v8::Context>)
   V8_WARN_UNUSED_RESULT MaybeLocal<Function> GetFunction(
                                              ^~~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:5947:46: note:   candidate expects 1 argument, 0 provided
../src/ledmatrix.cc:80:72: error: no matching function for call to ‘v8::FunctionTemplate::GetFunction()’
  exports->Set(Nan::New("LedMatrix").ToLocalChecked(), tpl->GetFunction());
                                                                        ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:5947:46: note: candidate: v8::MaybeLocal<v8::Function> v8::FunctionTemplate::GetFunction(v8::Local<v8::Context>)
   V8_WARN_UNUSED_RESULT MaybeLocal<Function> GetFunction(
                                              ^~~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:5947:46: note:   candidate expects 1 argument, 0 provided
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::DrawText(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:201:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   x = args[0]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:206:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   y = args[1]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:211:47: error: no matching function for call to ‘v8::Value::ToString()’
   v8::String::Utf8Value str(args[2]->ToString());
                                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note: candidate: v8::MaybeLocal<v8::String> v8::Value::ToString(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<String> ToString(
                                            ^~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note: candidate: v8::Local<v8::String> v8::Value::ToString(v8::Isolate*) const
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note:   candidate expects 1 argument, 0 provided
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:217:47: error: no matching function for call to ‘v8::Value::ToString()’
   v8::String::Utf8Value str(args[3]->ToString());
                                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note: candidate: v8::MaybeLocal<v8::String> v8::Value::ToString(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<String> ToString(
                                            ^~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note: candidate: v8::Local<v8::String> v8::Value::ToString(v8::Isolate*) const
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note:   candidate expects 1 argument, 0 provided
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:223:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   r = args[4]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:228:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   g = args[5]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:233:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   b = args[6]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::DrawCircle(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:259:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   x = args[0]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:264:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   y = args[1]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:269:31: error: no matching function for call to ‘v8::Value::ToInteger()’
   radius = args[2]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:274:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   r = args[3]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:279:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   g = args[4]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:284:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   b = args[5]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::DrawLine(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:310:27: error: no matching function for call to ‘v8::Value::ToInteger()’
   x0 = args[0]->ToInteger()->Value();
                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:315:27: error: no matching function for call to ‘v8::Value::ToInteger()’
   y0 = args[1]->ToInteger()->Value();
                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:320:27: error: no matching function for call to ‘v8::Value::ToInteger()’
   x1 = args[2]->ToInteger()->Value();
                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:325:27: error: no matching function for call to ‘v8::Value::ToInteger()’
   y1 = args[3]->ToInteger()->Value();
                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:330:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   r = args[4]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:335:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   g = args[5]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:341:26: error: no matching function for call to ‘v8::Value::ToInteger()’
   b = args[6]->ToInteger()->Value();
                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::Brightness(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:357:25: error: no matching function for call to ‘v8::Value::ToInteger()’
  b = args[0]->ToInteger()->Value();
                         ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::New(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:384:29: error: no matching function for call to ‘v8::Value::ToInteger()’
   rows = args[0]->ToInteger()->Value();
                             ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:387:29: error: no matching function for call to ‘v8::Value::ToInteger()’
   cols = args[1]->ToInteger()->Value();
                             ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:391:32: error: no matching function for call to ‘v8::Value::ToInteger()’
   chained = args[2]->ToInteger()->Value();
                                ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:394:33: error: no matching function for call to ‘v8::Value::ToInteger()’
   parallel = args[3]->ToInteger()->Value();
                                 ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:398:35: error: no matching function for call to ‘v8::Value::ToInteger()’
   brightness = args[4]->ToInteger()->Value();
                                   ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:404:47: error: no matching function for call to ‘v8::Value::ToString()’
   v8::String::Utf8Value str(args[5]->ToString());
                                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note: candidate: v8::MaybeLocal<v8::String> v8::Value::ToString(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<String> ToString(
                                            ^~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note: candidate: v8::Local<v8::String> v8::Value::ToString(v8::Isolate*) const
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note:   candidate expects 1 argument, 0 provided
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:410:47: error: no matching function for call to ‘v8::Value::ToString()’
   v8::String::Utf8Value str(args[6]->ToString());
                                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note: candidate: v8::MaybeLocal<v8::String> v8::Value::ToString(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<String> ToString(
                                            ^~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2528:44: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note: candidate: v8::Local<v8::String> v8::Value::ToString(v8::Isolate*) const
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2544:35: note:   candidate expects 1 argument, 0 provided
                     Local<String> ToString(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::SetPixel(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:444:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int x = args[0]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:445:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int y = args[1]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:446:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int r = args[2]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:447:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int g = args[3]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:448:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int b = args[4]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::Clear(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:458:30: error: no matching function for call to ‘v8::Value::ToInteger()’
   int x = args[0]->ToInteger()->Value();
                              ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:459:32: error: no matching function for call to ‘v8::Value::ToInteger()’
     int y = args[1]->ToInteger()->Value();
                                ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:460:32: error: no matching function for call to ‘v8::Value::ToInteger()’
     int w = args[2]->ToInteger()->Value();
                                ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:461:32: error: no matching function for call to ‘v8::Value::ToInteger()’
     int h = args[3]->ToInteger()->Value();
                                ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::Fill(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:476:29: error: no matching function for call to ‘v8::Value::ToInteger()’
  int r = args[0]->ToInteger()->Value();
                             ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:477:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int g = args[1]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:478:31: error: no matching function for call to ‘v8::Value::ToInteger()’
    int b = args[2]->ToInteger()->Value();
                               ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::SetImageBuffer(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:490:45: error: no matching function for call to ‘v8::Value::ToObject()’
  char* buf = Buffer::Data(args[0]->ToObject());
                                             ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2532:44: note: candidate: v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
                                            ^~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2532:44: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2546:35: note: candidate: v8::Local<v8::Object> v8::Value::ToObject(v8::Isolate*) const
                     Local<Object> ToObject(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2546:35: note:   candidate expects 1 argument, 0 provided
                     Local<Object> ToObject(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:491:49: error: no matching function for call to ‘v8::Value::ToObject()’
  size_t bufl = Buffer::Length(args[0]->ToObject());
                                                 ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2532:44: note: candidate: v8::MaybeLocal<v8::Object> v8::Value::ToObject(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Object> ToObject(
                                            ^~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2532:44: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2546:35: note: candidate: v8::Local<v8::Object> v8::Value::ToObject(v8::Isolate*) const
                     Local<Object> ToObject(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2546:35: note:   candidate expects 1 argument, 0 provided
                     Local<Object> ToObject(Isolate* isolate) const);
                                   ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:492:33: error: no matching function for call to ‘v8::Value::ToInteger()’
  int width = args[1]->ToInteger()->Value();
                                 ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:493:34: error: no matching function for call to ‘v8::Value::ToInteger()’
  int height = args[2]->ToInteger()->Value();
                                  ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::Draw(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:522:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 0 && args[0]->IsNumber()) startx = args[0]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:523:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 1 && args[1]->IsNumber()) starty = args[1]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:532:74: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 2 && args[2]->IsNumber()) width = args[2]->ToInteger()->Value();
                                                                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:533:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 3 && args[3]->IsNumber()) height = args[3]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:534:73: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 4 && args[4]->IsNumber()) imgx = args[4]->ToInteger()->Value();
                                                                         ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:535:73: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 5 && args[5]->IsNumber()) imgy = args[5]->ToInteger()->Value();
                                                                         ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:536:75: error: no matching function for call to ‘v8::Value::ToBoolean()’
  if(args.Length() > 6 && args[6]->IsBoolean()) looph = args[6]->ToBoolean()->Value();
                                                                           ^
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2524:63: note: candidate: v8::MaybeLocal<v8::Boolean> v8::Value::ToBoolean(v8::Local<v8::Context>) const
                     V8_WARN_UNUSED_RESULT MaybeLocal<Boolean> ToBoolean(
                                                               ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2524:63: note:   candidate expects 1 argument, 0 provided
                     V8_WARN_UNUSED_RESULT MaybeLocal<Boolean> ToBoolean(
                                                               ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2540:18: note: candidate: v8::Local<v8::Boolean> v8::Value::ToBoolean(v8::Isolate*) const
   Local<Boolean> ToBoolean(Isolate* isolate) const;
                  ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2540:18: note:   candidate expects 1 argument, 0 provided
../src/ledmatrix.cc:537:75: error: no matching function for call to ‘v8::Value::ToBoolean()’
  if(args.Length() > 7 && args[7]->IsBoolean()) loopv = args[7]->ToBoolean()->Value();
                                                                           ^
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2524:63: note: candidate: v8::MaybeLocal<v8::Boolean> v8::Value::ToBoolean(v8::Local<v8::Context>) const
                     V8_WARN_UNUSED_RESULT MaybeLocal<Boolean> ToBoolean(
                                                               ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2524:63: note:   candidate expects 1 argument, 0 provided
                     V8_WARN_UNUSED_RESULT MaybeLocal<Boolean> ToBoolean(
                                                               ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2540:18: note: candidate: v8::Local<v8::Boolean> v8::Value::ToBoolean(v8::Isolate*) const
   Local<Boolean> ToBoolean(Isolate* isolate) const;
                  ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2540:18: note:   candidate expects 1 argument, 0 provided
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::Scroll(const Nan::FunctionCallbackInfo<v8::Value>&)’:
../src/ledmatrix.cc:553:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 1 && args[1]->IsNumber()) startx = args[1]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:554:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 2 && args[2]->IsNumber()) starty = args[2]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:562:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 3 && args[3]->IsNumber()) width =  args[3]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:563:76: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 4 && args[4]->IsNumber()) height =  args[4]->ToInteger()->Value();
                                                                            ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:564:76: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 5 && args[5]->IsNumber()) scroll =  args[5]->ToInteger()->Value();
                                                                            ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:565:75: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 6 && args[6]->IsNumber()) speed =  args[6]->ToInteger()->Value();
                                                                           ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc:566:74: error: no matching function for call to ‘v8::Value::ToInteger()’
  if(args.Length() > 7 && args[7]->IsNumber()) loop =  args[7]->ToInteger()->Value();
                                                                          ^
In file included from ../src/ledmatrix.cc:9:0:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note: candidate: v8::MaybeLocal<v8::Integer> v8::Value::ToInteger(v8::Local<v8::Context>) const
   V8_WARN_UNUSED_RESULT MaybeLocal<Integer> ToInteger(
                                             ^~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2534:45: note:   candidate expects 1 argument, 0 provided
In file included from /home/ubuntu/.node-gyp/12.2.0/include/node/v8-internal.h:14:0,
                 from /home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:25,
                 from ../src/ledmatrix.cc:9:
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note: candidate: v8::Local<v8::Integer> v8::Value::ToInteger(v8::Isolate*) const
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
/home/ubuntu/.node-gyp/12.2.0/include/node/v8.h:2548:36: note:   candidate expects 1 argument, 0 provided
                     Local<Integer> ToInteger(Isolate* isolate) const);
                                    ^
/home/ubuntu/.node-gyp/12.2.0/include/node/v8config.h:322:3: note: in definition of macro ‘V8_DEPRECATE_SOON’
   declarator __attribute__((deprecated(message)))
   ^~~~~~~~~~
../src/ledmatrix.cc: In static member function ‘static void LedMatrix::UV_AfterScroll(uv_work_t*, int)’:
../src/ledmatrix.cc:681:25: warning: ‘v8::Local<v8::Value> Nan::Callback::Call(int, v8::Local<v8::Value>*) const’ is deprecated [-Wdeprecated-declarations]
  uv->callback->Call(0, 0);
                         ^
In file included from ../include/ledmatrix.h:17:0,
                 from ../src/ledmatrix.cc:17:
../../nan/nan.h:1740:3: note: declared here
   Call(int argc, v8::Local<v8::Value> argv[]) const {
   ^~~~
node-rpi-rgb-led-matrix.target.mk:118: recipe for target 'Release/obj.target/node-rpi-rgb-led-matrix/src/ledmatrix.o' failed
make: *** [Release/obj.target/node-rpi-rgb-led-matrix/src/ledmatrix.o] Error 1
make: Leaving directory '/home/ubuntu/node_modules/easybotics-rpi-rgb-led-matrix/build'
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:262:23)
gyp ERR! stack     at ChildProcess.emit (events.js:196:13)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:257:12)
gyp ERR! System Linux 4.15.0-1031-raspi2
gyp ERR! command "/usr/bin/node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /home/ubuntu/node_modules/easybotics-rpi-rgb-led-matrix
gyp ERR! node -v v12.2.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok 
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"arm64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! easybotics-rpi-rgb-led-matrix@0.2.6 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the easybotics-rpi-rgb-led-matrix@0.2.6 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/ubuntu/.npm/_logs/2019-05-17T11_03_11_274Z-debug.log

[ryanmich251]

We're using node.js v8.16.0, it should work fine under that version.