feat: initial commit of Railtrack Pro prototype with complete test suite

node_modules/jsdom/lib/generated/idl/DocumentReadyState.js

@@ -0,0 +1,12 @@
+"use strict";
+
+const enumerationValues = new Set(["loading", "interactive", "complete"]);
+exports.enumerationValues = enumerationValues;
+
+exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
+  const string = `${value}`;
+  if (!enumerationValues.has(string)) {
+    throw new globalObject.TypeError(`${context} '${string}' is not a valid enumeration value for DocumentReadyState`);
+  }
+  return string;
+};