Load .json file based on feature name from map click

get_json_file.js

require(["dojo/request/xhr"], function(xhr){
  var category
	feat = //code to get selected feature element
	fcName = feat.attributes.Name;
	fcType = feat.attributes.Type
	//The following if statement does not cover all feature cases
	//such as Ruins and Towns...
	if (fcType == "City") {
		category = "GoTCities"
	} else if (fcType == "Castle") {
	  category = "GoTCastles"
	} else {
	  category = "GoTNobleHouses"
	}
	
	xhr(["json", category, fcName + ".json"].join("/"), { 
			handleAs:"json"
	}).then(function(data){
		console.log(data);
		//example usage
		textArea = document.getElementById("card_id");
		textArea.innerHTML = ("<p><b>" + data.name + "</b></p><p>" + data.summary + "</p>");
	});
	
});