/**
 * React Router DOM v6.3.0
 *
 * Copyright (c) Remix Software Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE.md file in the root directory of this source tree.
 *
 * @license MIT
 */
import { useRef, useState, useLayoutEffect, createElement, forwardRef, useCallback, useMemo } from 'react';
import { createBrowserHistory, createHashHistory } from 'history';
import { Router, useHref, createPath, useLocation, useResolvedPath, useNavigate } from 'react-router';
export { MemoryRouter, Navigate, NavigationType, Outlet, Route, Router, Routes, UNSAFE_LocationContext, UNSAFE_NavigationContext, UNSAFE_RouteContext, createPath, createRoutesFromChildren, generatePath, matchPath, matchRoutes, parsePath, renderMatches, resolvePath, useHref, useInRouterContext, useLocation, useMatch, useNavigate, useNavigationType, useOutlet, useOutletContext, useParams, useResolvedPath, useRoutes } from 'react-router';

/**
 * NOTE: If you refactor this to split up the modules into separate files,
 * you'll need to update the rollup config for react-router-dom-v5-compat.
 */

function warning(cond, message) {
  if (!cond) {
    // eslint-disable-next-line no-console
    if (typeof console !== "undefined") console.warn(message);

    try {
      // Welcome to debugging React Router!
      //
      // This error is thrown as a convenience so you can more easily
      // find the source for a warning that appears in the console by
      // enabling "pause on exceptions" in your JavaScript debugger.
      throw new Error(message); // eslint-disable-next-line no-empty
    } catch (e) {}
  }
} ////////////////////////////////////////////////////////////////////////////////
// COMPONENTS
////////////////////////////////////////////////////////////////////////////////

/**
 * A `<Router>` for use in web browsers. Provides the cleanest URLs.
 */
function BrowserRouter({
  basename,
  children,
  window
}) {
  let historyRef = useRef();

  if (historyRef.current == null) {
    historyRef.current = createBrowserHistory({
      window
    });
  }

  let history = historyRef.current;
  let [state, setState] = useState({
    action: history.action,
    location: history.location
  });
  useLayoutEffect(() => history.listen(setState), [history]);
  return /*#__PURE__*/createElement(Router, {
    basename: basename,
    children: children,
    location: state.location,
    navigationType: state.action,
    navigator: history
  });
}

/**
 * A `<Router>` for use in web browsers. Stores the location in the hash
 * portion of the URL so it is not sent to the server.
 */
function HashRouter({
  basename,
  children,
  window
}) {
  let historyRef = useRef();

  if (historyRef.current == null) {
    historyRef.current = createHashHistory({
      window
    });
  }

  let history = historyRef.current;
  let [state, setState] = useState({
    action: history.action,
    location: history.location
  });
  useLayoutEffect(() => history.listen(setState), [history]);
  return /*#__PURE__*/createElement(Router, {
    basename: basename,
    children: children,
    location: state.location,
    navigationType: state.action,
    navigator: history
  });
}

/**
 * A `<Router>` that accepts a pre-instantiated history object. It's important
 * to note that using your own history object is highly discouraged and may add
 * two versions of the history library to your bundles unless you use the same
 * version of the history library that React Router uses internally.
 */
function HistoryRouter({
  basename,
  children,
  history
}) {
  const [state, setState] = useState({
    action: history.action,
    location: history.location
  });
  useLayoutEffect(() => history.listen(setState), [history]);
  return /*#__PURE__*/createElement(Router, {
    basename: basename,
    children: children,
    location: state.location,
    navigationType: state.action,
    navigator: history
  });
}

{
  HistoryRouter.displayName = "unstable_HistoryRouter";
}

function isModifiedEvent(event) {
  return !!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey);
}

/**
 * The public API for rendering a history-aware <a>.
 */
const Link = /*#__PURE__*/forwardRef(function LinkWithRef({
  onClick,
  reloadDocument,
  replace = false,
  state,
  target,
  to,
  ...rest
}, ref) {
  let href = useHref(to);
  let internalOnClick = useLinkClickHandler(to, {
    replace,
    state,
    target
  });

  function handleClick(event) {
    if (onClick) onClick(event);

    if (!event.defaultPrevented && !reloadDocument) {
      internalOnClick(event);
    }
  }

  return (
    /*#__PURE__*/
    // eslint-disable-next-line jsx-a11y/anchor-has-content
    createElement("a", Object.assign({}, rest, {
      href: href,
      onClick: handleClick,
      ref: ref,
      target: target
    }))
  );
});

{
  Link.displayName = "Link";
}

/**
 * A <Link> wrapper that knows if it's "active" or not.
 */
const NavLink = /*#__PURE__*/forwardRef(function NavLinkWithRef({
  "aria-current": ariaCurrentProp = "page",
  caseSensitive = false,
  className: classNameProp = "",
  end = false,
  style: styleProp,
  to,
  children,
  ...rest
}, ref) {
  let location = useLocation();
  let path = useResolvedPath(to);
  let locationPathname = location.pathname;
  let toPathname = path.pathname;

  if (!caseSensitive) {
    locationPathname = locationPathname.toLowerCase();
    toPathname = toPathname.toLowerCase();
  }

  let isActive = locationPathname === toPathname || !end && locationPathname.startsWith(toPathname) && locationPathname.charAt(toPathname.length) === "/";
  let ariaCurrent = isActive ? ariaCurrentProp : undefined;
  let className;

  if (typeof classNameProp === "function") {
    className = classNameProp({
      isActive
    });
  } else {
    // If the className prop is not a function, we use a default `active`
    // class for <NavLink />s that are active. In v5 `active` was the default
    // value for `activeClassName`, but we are removing that API and can still
    // use the old default behavior for a cleaner upgrade path and keep the
    // simple styling rules working as they currently do.
    className = [classNameProp, isActive ? "active" : null].filter(Boolean).join(" ");
  }

  let style = typeof styleProp === "function" ? styleProp({
    isActive
  }) : styleProp;
  return /*#__PURE__*/createElement(Link, Object.assign({}, rest, {
    "aria-current": ariaCurrent,
    className: className,
    ref: ref,
    style: style,
    to: to
  }), typeof children === "function" ? children({
    isActive
  }) : children);
});

{
  NavLink.displayName = "NavLink";
} ////////////////////////////////////////////////////////////////////////////////
// HOOKS
////////////////////////////////////////////////////////////////////////////////

/**
 * Handles the click behavior for router `<Link>` components. This is useful if
 * you need to create custom `<Link>` components with the same click behavior we
 * use in our exported `<Link>`.
 */


function useLinkClickHandler(to, {
  target,
  replace: replaceProp,
  state
} = {}) {
  let navigate = useNavigate();
  let location = useLocation();
  let path = useResolvedPath(to);
  return useCallback(event => {
    if (event.button === 0 && ( // Ignore everything but left clicks
    !target || target === "_self") && // Let browser handle "target=_blank" etc.
    !isModifiedEvent(event) // Ignore clicks with modifier keys
    ) {
      event.preventDefault(); // If the URL hasn't changed, a regular <a> will do a replace instead of
      // a push, so do the same here.

      let replace = !!replaceProp || createPath(location) === createPath(path);
      navigate(to, {
        replace,
        state
      });
    }
  }, [location, navigate, path, replaceProp, state, target, to]);
}
/**
 * A convenient wrapper for reading and writing search parameters via the
 * URLSearchParams interface.
 */

function useSearchParams(defaultInit) {
   warning(typeof URLSearchParams !== "undefined", `You cannot use the \`useSearchParams\` hook in a browser that does not ` + `support the URLSearchParams API. If you need to support Internet ` + `Explorer 11, we recommend you load a polyfill such as ` + `https://github.com/ungap/url-search-params\n\n` + `If you're unsure how to load polyfills, we recommend you check out ` + `https://polyfill.io/v3/ which provides some recommendations about how ` + `to load polyfills only for users that need them, instead of for every ` + `user.`) ;
  let defaultSearchParamsRef = useRef(createSearchParams(defaultInit));
  let location = useLocation();
  let searchParams = useMemo(() => {
    let searchParams = createSearchParams(location.search);

    for (let key of defaultSearchParamsRef.current.keys()) {
      if (!searchParams.has(key)) {
        defaultSearchParamsRef.current.getAll(key).forEach(value => {
          searchParams.append(key, value);
        });
      }
    }

    return searchParams;
  }, [location.search]);
  let navigate = useNavigate();
  let setSearchParams = useCallback((nextInit, navigateOptions) => {
    navigate("?" + createSearchParams(nextInit), navigateOptions);
  }, [navigate]);
  return [searchParams, setSearchParams];
}

/**
 * Creates a URLSearchParams object using the given initializer.
 *
 * This is identical to `new URLSearchParams(init)` except it also
 * supports arrays as values in the object form of the initializer
 * instead of just strings. This is convenient when you need multiple
 * values for a given key, but don't want to use an array initializer.
 *
 * For example, instead of:
 *
 *   let searchParams = new URLSearchParams([
 *     ['sort', 'name'],
 *     ['sort', 'price']
 *   ]);
 *
 * you can do:
 *
 *   let searchParams = createSearchParams({
 *     sort: ['name', 'price']
 *   });
 */
function createSearchParams(init = "") {
  return new URLSearchParams(typeof init === "string" || Array.isArray(init) || init instanceof URLSearchParams ? init : Object.keys(init).reduce((memo, key) => {
    let value = init[key];
    return memo.concat(Array.isArray(value) ? value.map(v => [key, v]) : [[key, value]]);
  }, []));
}

export { BrowserRouter, HashRouter, Link, NavLink, createSearchParams, HistoryRouter as unstable_HistoryRouter, useLinkClickHandler, useSearchParams };
//# sourceMappingURL=react-router-dom.development.js.map