t);
  }
  function useLocation() {
    {
      !(typeof useContext === "function") ?  invariant(false, "You must use React >= 16.8 in order to use useLocation()")  : void 0;
    }

    return useContext(context).location;
  }
  function useParams() {
    {
      !(typeof useContext === "function") ?  invariant(false, "You must use React >= 16.8 in order to use useParams()")  : void 0;
    }

    var match = useContext(context).match;
    return match ? match.params : {};
  }
  function useRouteMatch(path) {
    {
      !(typeof useContext === "function") ?  invariant(false, "You must use React >= 16.8 in order to use useRouteMatch()")  : void 0;
    }

    var location = useLocation();
    var match = useContext(context).match;
    return path ? matchPath(location.pathname, path) : match;
  }

  {
    if (typeof window !== "undefined") {
      var global$1 = window;
      var key = "__react_router_build__";
      var buildNames = {
        cjs: "CommonJS",
        esm: "ES modules",
        umd: "UMD"
      };

      if (global$1[key] && global$1[key] !== "umd") {
        var initialBuildName = buildNames[global$1[key]];
        var secondaryBuildName = buildNames["umd"]; // TODO: Add link to article that explains in detail how to avoid
        // loading 2 different builds.

        throw new Error("You are loading the " + secondaryBuildName + " build of React Router " + ("on a page that is already running the " + initialBuildName + " ") + "build, so things won't work right.");
      }

      global$1[key] = "umd";
    }
  }

  exports.MemoryRouter = MemoryRouter;
  exports.Prompt = Prompt;
  exports.Redirect = Redirect;
  exports.Route = Route;
  exports.Router = Router;
  exports.StaticRouter = StaticRouter;
  exports.Switch = Switch;
  exports.__HistoryContext = historyContext;
  exports.__RouterContext = context;
  exports.generatePath = generatePath;
  exports.matchPath = matchPath;
  exports.useHistory = useHistory;
  exports.useLocation = useLocation;
  exports.useParams = useParams;
  exports.useRouteMatch = useRouteMatch;
  exports.withRouter = withRouter;

  Object.defineProperty(exports, '__esModule', { value: true });

}));
//# sourceMappingURL=react-router.js.map