code: function mappingAttributesFromReactConfig(config) {
    eachObj(config.Properties, function (propname) {
      var mapFrom = config.DOMAttributeNames[propname] || propname.toLowerCase();
  
      if (!ATTRIBUTE_MAPPING[mapFrom])
        ATTRIBUTE_MAPPING[mapFrom] = propname;
    });
  }
docs: Populate property map with ReactJS's attribute and property mappings TODO handle/use .Properties value eg: MUST_USE_PROPERTY is not HTML attr