Add Symbol::New with string_view

Author: cacharle

napi-inl.h

@@ -1259,7 +1259,7 @@ inline String String::New(napi_env env, const std::u16string& val) {
 }
 
 #if __cplusplus >= 201703L
-inline String String::New(napi_env env, const std::string_view& val) {
+inline String String::New(napi_env env, std::string_view val) {
   return String::New(env, val.data(), val.size());
 }
 #endif
@@ -1373,6 +1373,13 @@ inline Symbol Symbol::New(napi_env env, const std::string& description) {
   return Symbol::New(env, descriptionValue);
 }
 
+#if __cplusplus >= 201703L
+inline Symbol Symbol::New(napi_env env, std::string_view description) {
+  napi_value descriptionValue = String::New(env, description);
+  return Symbol::New(env, descriptionValue);
+}
+#endif
+
 inline Symbol Symbol::New(napi_env env, String description) {
   napi_value descriptionValue = description;
   return Symbol::New(env, descriptionValue);

napi.h

@@ -723,9 +723,8 @@ class String : public Name {
 
 #if __cplusplus >= 201703L
   /// Creates a new String value from a UTF-8 encoded C++ string view.
-  static String New(
-      napi_env env,                  ///< Node-API environment
-      const std::string_view& value  ///< UTF-8 encoded C++ string view
+  static String New(napi_env env,           ///< Node-API environment
+                    std::string_view value  ///< UTF-8 encoded C++ string view
   );
 #endif
 
@@ -802,6 +801,15 @@ class Symbol : public Name {
           description  ///< UTF-8 encoded C++ string describing the symbol
   );
 
+#if __cplusplus >= 201703L
+  /// Creates a new Symbol value with a description.
+  static Symbol New(
+      napi_env env,  ///< Node-API environment
+      std::string_view
+          description  ///< UTF-8 encoded C++ string view describing the symbol
+  );
+#endif
+
   /// Creates a new Symbol value with a description.
   static Symbol New(napi_env env,       ///< Node-API environment
                     String description  ///< String value describing the symbol