src: make Object::GetPropertyNames() const

Fixes: nodejs/node-addon-api#380 PR-URL: nodejs/node-addon-api#415 Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
kevindavies8 · Jan 2, 2019 · 3f4add1 · 3f4add1
1 parent 5655d67
commit 3f4add1
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diff --git a/napi-inl.h b/napi-inl.h
@@ -1078,7 +1078,7 @@ inline bool Object::Delete(uint32_t index) {
   return result;
 }
 
-inline Array Object::GetPropertyNames() {
+inline Array Object::GetPropertyNames() const {
   napi_value result;
   napi_status status = napi_get_property_names(_env, _value, &result);
   NAPI_THROW_IF_FAILED(_env, status, Array());

diff --git a/napi.h b/napi.h
@@ -601,7 +601,7 @@ namespace Napi {
       uint32_t index ///< Property / element index
     );
 
-    Array GetPropertyNames(); ///< Get all property names
+    Array GetPropertyNames() const; ///< Get all property names
 
     /// Defines a property on the object.
     void DefineProperty(