feat(): add exception helpers

Author: marcus-sa

CMakeLists.txt

@@ -27,7 +27,7 @@ add_library(${PROJECT_NAME} SHARED
    "src/ng-test.cpp"
    "src/QWidgetWrap/qwidget_wrap.cpp"
    "src/utils.cpp"
-)
+   "src/exceptions.cpp")
 
 link_directories($ENV{QT_LIBRARIES})
 

src/exceptions.cpp

@@ -0,0 +1,22 @@
+#include "exceptions.h"
+#include "napi.h"
+
+void throwInvalidKeyException(const Napi::Env &env) {
+  return Napi::TypeError::New(env, "argument key must be a string")
+      .ThrowAsJavaScriptException();
+}
+
+void throwInvalidArgumentsException(const Napi::Env &env) {
+  return Napi::TypeError::New(env, "Wrong number of arguments")
+      .ThrowAsJavaScriptException();
+}
+
+void throwInvalidModifierException(const Napi::Env &env) {
+  return Napi::TypeError::New(env, "argument modifier must be a number")
+      .ThrowAsJavaScriptException();
+}
+
+void throwInvalidDelayException(const Napi::Env &env) {
+  return Napi::TypeError::New(env, "argument delay must be a number")
+      .ThrowAsJavaScriptException();
+}

src/exceptions.h

@@ -0,0 +1,9 @@
+#include "napi.h"
+
+void throwInvalidKeyException(const Napi::Env &env);
+
+void throwInvalidArgumentsException(const Napi::Env &env);
+
+void throwInvalidModifierException(const Napi::Env &env);
+
+void throwInvalidDelayException(const Napi::Env &env);