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diff --git a/node_modules/nan/nan_converters.h b/node_modules/nan/nan_converters.h
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+++ b/node_modules/nan/nan_converters.h
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+/*********************************************************************
+ * NAN - Native Abstractions for Node.js
+ *
+ * Copyright (c) 2018 NAN contributors
+ *
+ * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
+ ********************************************************************/
+
+#ifndef NAN_CONVERTERS_H_
+#define NAN_CONVERTERS_H_
+
+namespace imp {
+template<typename T> struct ToFactoryBase {
+  typedef MaybeLocal<T> return_t;
+};
+template<typename T> struct ValueFactoryBase { typedef Maybe<T> return_t; };
+
+template<typename T> struct ToFactory;
+
+template<>
+struct ToFactory<v8::Function> : ToFactoryBase<v8::Function> {
+  static inline return_t convert(v8::Local<v8::Value> val) {
+    if (val.IsEmpty() || !val->IsFunction()) return MaybeLocal<v8::Function>();
+    return MaybeLocal<v8::Function>(val.As<v8::Function>());
+  }
+};
+
+#define X(TYPE)                                                                \
+    template<>                                                                 \
+    struct ToFactory<v8::TYPE> : ToFactoryBase<v8::TYPE> {                     \
+      static inline return_t convert(v8::Local<v8::Value> val);                \
+    };
+
+X(Boolean)
+X(Number)
+X(String)
+X(Object)
+X(Integer)
+X(Uint32)
+X(Int32)
+
+#undef X
+
+#define X(TYPE)                                                                \
+    template<>                                                                 \
+    struct ToFactory<TYPE> : ValueFactoryBase<TYPE> {                          \
+      static inline return_t convert(v8::Local<v8::Value> val);                \
+    };
+
+X(bool)
+X(double)
+X(int64_t)
+X(uint32_t)
+X(int32_t)
+
+#undef X
+}  // end of namespace imp
+
+template<typename T>
+inline
+typename imp::ToFactory<T>::return_t To(v8::Local<v8::Value> val) {
+  return imp::ToFactory<T>::convert(val);
+}
+
+#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 ||                      \
+  (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3))
+# include "nan_converters_43_inl.h"
+#else
+# include "nan_converters_pre_43_inl.h"
+#endif
+
+#endif  // NAN_CONVERTERS_H_