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Edit File: react-router-dom.development.js

/**
 * React Router DOM v6.30.1
 *
 * 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 * as React from 'react';
import * as ReactDOM from 'react-dom';
import { UNSAFE_mapRouteProperties, UNSAFE_logV6DeprecationWarnings, UNSAFE_DataRouterContext, UNSAFE_DataRouterStateContext, Router, UNSAFE_useRoutesImpl, UNSAFE_NavigationContext, useHref, useResolvedPath, useLocation, useNavigate, createPath, UNSAFE_useRouteId, UNSAFE_RouteContext, useMatches, useNavigation, useBlocker } from 'react-router';
export { AbortedDeferredError, Await, MemoryRouter, Navigate, NavigationType, Outlet, Route, Router, Routes, UNSAFE_DataRouterContext, UNSAFE_DataRouterStateContext, UNSAFE_LocationContext, UNSAFE_NavigationContext, UNSAFE_RouteContext, UNSAFE_useRouteId, createMemoryRouter, createPath, createRoutesFromChildren, createRoutesFromElements, defer, generatePath, isRouteErrorResponse, json, matchPath, matchRoutes, parsePath, redirect, redirectDocument, renderMatches, replace, resolvePath, useActionData, useAsyncError, useAsyncValue, useBlocker, useHref, useInRouterContext, useLoaderData, useLocation, useMatch, useMatches, useNavigate, useNavigation, useNavigationType, useOutlet, useOutletContext, useParams, useResolvedPath, useRevalidator, useRouteError, useRouteLoaderData, useRoutes } from 'react-router';
import { stripBasename, UNSAFE_warning, createRouter, createBrowserHistory, createHashHistory, UNSAFE_ErrorResponseImpl, UNSAFE_invariant, joinPaths, IDLE_FETCHER, matchPath } from '@remix-run/router';
export { UNSAFE_ErrorResponseImpl } from '@remix-run/router';

/**
 * 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]]);
  }, []));
}
function getSearchParamsForLocation(locationSearch, defaultSearchParams) {
  let searchParams = createSearchParams(locationSearch);
  if (defaultSearchParams) {
    // Use `defaultSearchParams.forEach(...)` here instead of iterating of
    // `defaultSearchParams.keys()` to work-around a bug in Firefox related to
    // web extensions. Relevant Bugzilla tickets:
    // https://bugzilla.mozilla.org/show_bug.cgi?id=1414602
    // https://bugzilla.mozilla.org/show_bug.cgi?id=1023984
    defaultSearchParams.forEach((_, key) => {
      if (!searchParams.has(key)) {
        defaultSearchParams.getAll(key).forEach(value => {
          searchParams.append(key, value);
        });
      }
    });
  }
  return searchParams;
}

// Thanks https://github.com/sindresorhus/type-fest!

// One-time check for submitter support
let _formDataSupportsSubmitter = null;
function isFormDataSubmitterSupported() {
  if (_formDataSupportsSubmitter === null) {
    try {
      new FormData(document.createElement("form"),
      // @ts-expect-error if FormData supports the submitter parameter, this will throw
      0);
      _formDataSupportsSubmitter = false;
    } catch (e) {
      _formDataSupportsSubmitter = true;
    }
  }
  return _formDataSupportsSubmitter;
}

/**
 * Submit options shared by both navigations and fetchers
 */

/**
 * Submit options available to fetchers
 */

/**
 * Submit options available to navigations
 */

// <button>/<input type="submit"> may override attributes of <form>

// When grabbing the action from the element, it will have had the basename
    // prefixed to ensure non-JS scenarios work, so strip it since we'll
    // re-prefix in the router
    let attr = target.getAttribute("formaction") || form.getAttribute("action");
    action = attr ? stripBasename(attr, basename) : null;
    method = target.getAttribute("formmethod") || form.getAttribute("method") || defaultMethod;
    encType = getFormEncType(target.getAttribute("formenctype")) || getFormEncType(form.getAttribute("enctype")) || defaultEncType;

// Build a FormData object populated from a form and submitter
    formData = new FormData(form, target);

// If this browser doesn't support the `FormData(el, submitter)` format,
    // then tack on the submitter value at the end.  This is a lightweight
    // solution that is not 100% spec compliant.  For complete support in older
    // browsers, consider using the `formdata-submitter-polyfill` package
    if (!isFormDataSubmitterSupported()) {
      let {
        name,
        type,
        value
      } = target;
      if (type === "image") {
        let prefix = name ? `${name}.` : "";
        formData.append(`${prefix}x`, "0");
        formData.append(`${prefix}y`, "0");
      } else if (name) {
        formData.append(name, value);
      }
    }
  } else if (isHtmlElement(target)) {
    throw new Error(`Cannot submit element that is not <form>, <button>, or ` + `<input type="submit|image">`);
  } else {
    method = defaultMethod;
    action = null;
    encType = defaultEncType;
    body = target;
  }

// Send body for <Form encType="text/plain" so we encode it into text
  if (formData && encType === "text/plain") {
    body = formData;
    formData = undefined;
  }
  return {
    action,
    method: method.toLowerCase(),
    encType,
    formData,
    body
  };
}

/**
 * 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.
 */
//#endregion
// HEY YOU! DON'T TOUCH THIS VARIABLE!
//
// It is replaced with the proper version at build time via a babel plugin in
// the rollup config.
//
// Export a global property onto the window for React Router detection by the
// Core Web Vitals Technology Report.  This way they can configure the `wappalyzer`
// to detect and properly classify live websites as being built with React Router:
// https://github.com/HTTPArchive/wappalyzer/blob/main/src/technologies/r.json
const REACT_ROUTER_VERSION = "6";
try {
  window.__reactRouterVersion = REACT_ROUTER_VERSION;
} catch (e) {
  // no-op
}

////////////////////////////////////////////////////////////////////////////////
//#region Routers
////////////////////////////////////////////////////////////////////////////////
function createBrowserRouter(routes, opts) {
  return createRouter({
    basename: opts?.basename,
    future: {
      ...opts?.future,
      v7_prependBasename: true
    },
    history: createBrowserHistory({
      window: opts?.window
    }),
    hydrationData: opts?.hydrationData || parseHydrationData(),
    routes,
    mapRouteProperties: UNSAFE_mapRouteProperties,
    dataStrategy: opts?.dataStrategy,
    patchRoutesOnNavigation: opts?.patchRoutesOnNavigation,
    window: opts?.window
  }).initialize();
}
function createHashRouter(routes, opts) {
  return createRouter({
    basename: opts?.basename,
    future: {
      ...opts?.future,
      v7_prependBasename: true
    },
    history: createHashHistory({
      window: opts?.window
    }),
    hydrationData: opts?.hydrationData || parseHydrationData(),
    routes,
    mapRouteProperties: UNSAFE_mapRouteProperties,
    dataStrategy: opts?.dataStrategy,
    patchRoutesOnNavigation: opts?.patchRoutesOnNavigation,
    window: opts?.window
  }).initialize();
}
function parseHydrationData() {
  let state = window?.__staticRouterHydrationData;
  if (state && state.errors) {
    state = {
      ...state,
      errors: deserializeErrors(state.errors)
    };
  }
  return state;
}
function deserializeErrors(errors) {
  if (!errors) return null;
  let entries = Object.entries(errors);
  let serialized = {};
  for (let [key, val] of entries) {
    // Hey you!  If you change this, please change the corresponding logic in
    // serializeErrors in react-router-dom/server.tsx :)
    if (val && val.__type === "RouteErrorResponse") {
      serialized[key] = new UNSAFE_ErrorResponseImpl(val.status, val.statusText, val.data, val.internal === true);
    } else if (val && val.__type === "Error") {
      // Attempt to reconstruct the right type of Error (i.e., ReferenceError)
      if (val.__subType) {
        let ErrorConstructor = window[val.__subType];
        if (typeof ErrorConstructor === "function") {
          try {
            // @ts-expect-error
            let error = new ErrorConstructor(val.message);
            // Wipe away the client-side stack trace.  Nothing to fill it in with
            // because we don't serialize SSR stack traces for security reasons
            error.stack = "";
            serialized[key] = error;
          } catch (e) {
            // no-op - fall through and create a normal Error
          }
        }
      }
      if (serialized[key] == null) {
        let error = new Error(val.message);
        // Wipe away the client-side stack trace.  Nothing to fill it in with
        // because we don't serialize SSR stack traces for security reasons
        error.stack = "";
        serialized[key] = error;
      }
    } else {
      serialized[key] = val;
    }
  }
  return serialized;
}

//#endregion

////////////////////////////////////////////////////////////////////////////////
//#region Contexts
////////////////////////////////////////////////////////////////////////////////
const ViewTransitionContext = /*#__PURE__*/React.createContext({
  isTransitioning: false
});
{
  ViewTransitionContext.displayName = "ViewTransition";
}

// TODO: (v7) Change the useFetcher data from `any` to `unknown`

const FetchersContext = /*#__PURE__*/React.createContext(new Map());
{
  FetchersContext.displayName = "Fetchers";
}

//#endregion

////////////////////////////////////////////////////////////////////////////////
//#region Components
////////////////////////////////////////////////////////////////////////////////

/**
  Webpack + React 17 fails to compile on any of the following because webpack
  complains that `startTransition` doesn't exist in `React`:
  * import { startTransition } from "react"
  * import * as React from from "react";
    "startTransition" in React ? React.startTransition(() => setState()) : setState()
  * import * as React from from "react";
    "startTransition" in React ? React["startTransition"](() => setState()) : setState()

Moving it to a constant such as the following solves the Webpack/React 17 issue:
  * import * as React from from "react";
    const START_TRANSITION = "startTransition";
    START_TRANSITION in React ? React[START_TRANSITION](() => setState()) : setState()

However, that introduces webpack/terser minification issues in production builds
  in React 18 where minification/obfuscation ends up removing the call of
  React.startTransition entirely from the first half of the ternary.  Grabbing
  this exported reference once up front resolves that issue.

See https://github.com/remix-run/react-router/issues/10579
*/
const START_TRANSITION = "startTransition";
const startTransitionImpl = React[START_TRANSITION];
const FLUSH_SYNC = "flushSync";
const flushSyncImpl = ReactDOM[FLUSH_SYNC];
const USE_ID = "useId";
const useIdImpl = React[USE_ID];
function startTransitionSafe(cb) {
  if (startTransitionImpl) {
    startTransitionImpl(cb);
  } else {
    cb();
  }
}
function flushSyncSafe(cb) {
  if (flushSyncImpl) {
    flushSyncImpl(cb);
  } else {
    cb();
  }
}
class Deferred {
  status = "pending";

// @ts-expect-error - no initializer

constructor() {
    this.promise = new Promise((resolve, reject) => {
      this.resolve = value => {
        if (this.status === "pending") {
          this.status = "resolved";
          resolve(value);
        }
      };
      this.reject = reason => {
        if (this.status === "pending") {
          this.status = "rejected";
          reject(reason);
        }
      };
    });
  }
}

/**
 * Given a Remix Router instance, render the appropriate UI
 */
function RouterProvider({
  fallbackElement,
  router,
  future
}) {
  let [state, setStateImpl] = React.useState(router.state);
  let [pendingState, setPendingState] = React.useState();
  let [vtContext, setVtContext] = React.useState({
    isTransitioning: false
  });
  let [renderDfd, setRenderDfd] = React.useState();
  let [transition, setTransition] = React.useState();
  let [interruption, setInterruption] = React.useState();
  let fetcherData = React.useRef(new Map());
  let {
    v7_startTransition
  } = future || {};
  let optInStartTransition = React.useCallback(cb => {
    if (v7_startTransition) {
      startTransitionSafe(cb);
    } else {
      cb();
    }
  }, [v7_startTransition]);
  let setState = React.useCallback((newState, {
    deletedFetchers,
    flushSync: flushSync,
    viewTransitionOpts: viewTransitionOpts
  }) => {
    newState.fetchers.forEach((fetcher, key) => {
      if (fetcher.data !== undefined) {
        fetcherData.current.set(key, fetcher.data);
      }
    });
    deletedFetchers.forEach(key => fetcherData.current.delete(key));
    let isViewTransitionUnavailable = router.window == null || router.window.document == null || typeof router.window.document.startViewTransition !== "function";

// If this isn't a view transition or it's not available in this browser,
    // just update and be done with it
    if (!viewTransitionOpts || isViewTransitionUnavailable) {
      if (flushSync) {
        flushSyncSafe(() => setStateImpl(newState));
      } else {
        optInStartTransition(() => setStateImpl(newState));
      }
      return;
    }

// flushSync + startViewTransition
    if (flushSync) {
      // Flush through the context to mark DOM elements as transition=ing
      flushSyncSafe(() => {
        // Cancel any pending transitions
        if (transition) {
          renderDfd && renderDfd.resolve();
          transition.skipTransition();
        }
        setVtContext({
          isTransitioning: true,
          flushSync: true,
          currentLocation: viewTransitionOpts.currentLocation,
          nextLocation: viewTransitionOpts.nextLocation
        });
      });

// Update the DOM
      let t = router.window.document.startViewTransition(() => {
        flushSyncSafe(() => setStateImpl(newState));
      });

// Clean up after the animation completes
      t.finished.finally(() => {
        flushSyncSafe(() => {
          setRenderDfd(undefined);
          setTransition(undefined);
          setPendingState(undefined);
          setVtContext({
            isTransitioning: false
          });
        });
      });
      flushSyncSafe(() => setTransition(t));
      return;
    }

// startTransition + startViewTransition
    if (transition) {
      // Interrupting an in-progress transition, cancel and let everything flush
      // out, and then kick off a new transition from the interruption state
      renderDfd && renderDfd.resolve();
      transition.skipTransition();
      setInterruption({
        state: newState,
        currentLocation: viewTransitionOpts.currentLocation,
        nextLocation: viewTransitionOpts.nextLocation
      });
    } else {
      // Completed navigation update with opted-in view transitions, let 'er rip
      setPendingState(newState);
      setVtContext({
        isTransitioning: true,
        flushSync: false,
        currentLocation: viewTransitionOpts.currentLocation,
        nextLocation: viewTransitionOpts.nextLocation
      });
    }
  }, [router.window, transition, renderDfd, fetcherData, optInStartTransition]);

// Need to use a layout effect here so we are subscribed early enough to
  // pick up on any render-driven redirects/navigations (useEffect/<Navigate>)
  React.useLayoutEffect(() => router.subscribe(setState), [router, setState]);

// When we start a view transition, create a Deferred we can use for the
  // eventual "completed" render
  React.useEffect(() => {
    if (vtContext.isTransitioning && !vtContext.flushSync) {
      setRenderDfd(new Deferred());
    }
  }, [vtContext]);

// Once the deferred is created, kick off startViewTransition() to update the
  // DOM and then wait on the Deferred to resolve (indicating the DOM update has
  // happened)
  React.useEffect(() => {
    if (renderDfd && pendingState && router.window) {
      let newState = pendingState;
      let renderPromise = renderDfd.promise;
      let transition = router.window.document.startViewTransition(async () => {
        optInStartTransition(() => setStateImpl(newState));
        await renderPromise;
      });
      transition.finished.finally(() => {
        setRenderDfd(undefined);
        setTransition(undefined);
        setPendingState(undefined);
        setVtContext({
          isTransitioning: false
        });
      });
      setTransition(transition);
    }
  }, [optInStartTransition, pendingState, renderDfd, router.window]);

// When the new location finally renders and is committed to the DOM, this
  // effect will run to resolve the transition
  React.useEffect(() => {
    if (renderDfd && pendingState && state.location.key === pendingState.location.key) {
      renderDfd.resolve();
    }
  }, [renderDfd, transition, state.location, pendingState]);

// If we get interrupted with a new navigation during a transition, we skip
  // the active transition, let it cleanup, then kick it off again here
  React.useEffect(() => {
    if (!vtContext.isTransitioning && interruption) {
      setPendingState(interruption.state);
      setVtContext({
        isTransitioning: true,
        flushSync: false,
        currentLocation: interruption.currentLocation,
        nextLocation: interruption.nextLocation
      });
      setInterruption(undefined);
    }
  }, [vtContext.isTransitioning, interruption]);
  React.useEffect(() => {
    UNSAFE_warning(fallbackElement == null || !router.future.v7_partialHydration, "`<RouterProvider fallbackElement>` is deprecated when using " + "`v7_partialHydration`, use a `HydrateFallback` component instead") ;
    // Only log this once on initial mount
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);
  let navigator = React.useMemo(() => {
    return {
      createHref: router.createHref,
      encodeLocation: router.encodeLocation,
      go: n => router.navigate(n),
      push: (to, state, opts) => router.navigate(to, {
        state,
        preventScrollReset: opts?.preventScrollReset
      }),
      replace: (to, state, opts) => router.navigate(to, {
        replace: true,
        state,
        preventScrollReset: opts?.preventScrollReset
      })
    };
  }, [router]);
  let basename = router.basename || "/";
  let dataRouterContext = React.useMemo(() => ({
    router,
    navigator,
    static: false,
    basename
  }), [router, navigator, basename]);
  let routerFuture = React.useMemo(() => ({
    v7_relativeSplatPath: router.future.v7_relativeSplatPath
  }), [router.future.v7_relativeSplatPath]);
  React.useEffect(() => UNSAFE_logV6DeprecationWarnings(future, router.future), [future, router.future]);

// The fragment and {null} here are important!  We need them to keep React 18's
  // useId happy when we are server-rendering since we may have a <script> here
  // containing the hydrated server-side staticContext (from StaticRouterProvider).
  // useId relies on the component tree structure to generate deterministic id's
  // so we need to ensure it remains the same on the client even though
  // we don't need the <script> tag
  return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(UNSAFE_DataRouterContext.Provider, {
    value: dataRouterContext
  }, /*#__PURE__*/React.createElement(UNSAFE_DataRouterStateContext.Provider, {
    value: state
  }, /*#__PURE__*/React.createElement(FetchersContext.Provider, {
    value: fetcherData.current
  }, /*#__PURE__*/React.createElement(ViewTransitionContext.Provider, {
    value: vtContext
  }, /*#__PURE__*/React.createElement(Router, {
    basename: basename,
    location: state.location,
    navigationType: state.historyAction,
    navigator: navigator,
    future: routerFuture
  }, state.initialized || router.future.v7_partialHydration ? /*#__PURE__*/React.createElement(MemoizedDataRoutes, {
    routes: router.routes,
    future: router.future,
    state: state
  }) : fallbackElement))))), null);
}

// Memoize to avoid re-renders when updating `ViewTransitionContext`
const MemoizedDataRoutes = /*#__PURE__*/React.memo(DataRoutes);
function DataRoutes({
  routes,
  future,
  state
}) {
  return UNSAFE_useRoutesImpl(routes, undefined, state, future);
}
/**
 * A `<Router>` for use in web browsers. Provides the cleanest URLs.
 */
function BrowserRouter({
  basename,
  children,
  future,
  window
}) {
  let historyRef = React.useRef();
  if (historyRef.current == null) {
    historyRef.current = createBrowserHistory({
      window,
      v5Compat: true
    });
  }
  let history = historyRef.current;
  let [state, setStateImpl] = React.useState({
    action: history.action,
    location: history.location
  });
  let {
    v7_startTransition
  } = future || {};
  let setState = React.useCallback(newState => {
    v7_startTransition && startTransitionImpl ? startTransitionImpl(() => setStateImpl(newState)) : setStateImpl(newState);
  }, [setStateImpl, v7_startTransition]);
  React.useLayoutEffect(() => history.listen(setState), [history, setState]);
  React.useEffect(() => UNSAFE_logV6DeprecationWarnings(future), [future]);
  return /*#__PURE__*/React.createElement(Router, {
    basename: basename,
    children: children,
    location: state.location,
    navigationType: state.action,
    navigator: history,
    future: future
  });
}
/**
 * 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,
  future,
  window
}) {
  let historyRef = React.useRef();
  if (historyRef.current == null) {
    historyRef.current = createHashHistory({
      window,
      v5Compat: true
    });
  }
  let history = historyRef.current;
  let [state, setStateImpl] = React.useState({
    action: history.action,
    location: history.location
  });
  let {
    v7_startTransition
  } = future || {};
  let setState = React.useCallback(newState => {
    v7_startTransition && startTransitionImpl ? startTransitionImpl(() => setStateImpl(newState)) : setStateImpl(newState);
  }, [setStateImpl, v7_startTransition]);
  React.useLayoutEffect(() => history.listen(setState), [history, setState]);
  React.useEffect(() => UNSAFE_logV6DeprecationWarnings(future), [future]);
  return /*#__PURE__*/React.createElement(Router, {
    basename: basename,
    children: children,
    location: state.location,
    navigationType: state.action,
    navigator: history,
    future: future
  });
}
/**
 * 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,
  future,
  history
}) {
  let [state, setStateImpl] = React.useState({
    action: history.action,
    location: history.location
  });
  let {
    v7_startTransition
  } = future || {};
  let setState = React.useCallback(newState => {
    v7_startTransition && startTransitionImpl ? startTransitionImpl(() => setStateImpl(newState)) : setStateImpl(newState);
  }, [setStateImpl, v7_startTransition]);
  React.useLayoutEffect(() => history.listen(setState), [history, setState]);
  React.useEffect(() => UNSAFE_logV6DeprecationWarnings(future), [future]);
  return /*#__PURE__*/React.createElement(Router, {
    basename: basename,
    children: children,
    location: state.location,
    navigationType: state.action,
    navigator: history,
    future: future
  });
}
{
  HistoryRouter.displayName = "unstable_HistoryRouter";
}
const isBrowser = typeof window !== "undefined" && typeof window.document !== "undefined" && typeof window.document.createElement !== "undefined";
const ABSOLUTE_URL_REGEX = /^(?:[a-z][a-z0-9+.-]*:|\/\/)/i;

/**
 * The public API for rendering a history-aware `<a>`.
 */
const Link = /*#__PURE__*/React.forwardRef(function LinkWithRef({
  onClick,
  relative,
  reloadDocument,
  replace,
  state,
  target,
  to,
  preventScrollReset,
  viewTransition,
  ...rest
}, ref) {
  let {
    basename
  } = React.useContext(UNSAFE_NavigationContext);

// Rendered into <a href> for absolute URLs
  let absoluteHref;
  let isExternal = false;
  if (typeof to === "string" && ABSOLUTE_URL_REGEX.test(to)) {
    // Render the absolute href server- and client-side
    absoluteHref = to;

// Only check for external origins client-side
    if (isBrowser) {
      try {
        let currentUrl = new URL(window.location.href);
        let targetUrl = to.startsWith("//") ? new URL(currentUrl.protocol + to) : new URL(to);
        let path = stripBasename(targetUrl.pathname, basename);
        if (targetUrl.origin === currentUrl.origin && path != null) {
          // Strip the protocol/origin/basename for same-origin absolute URLs
          to = path + targetUrl.search + targetUrl.hash;
        } else {
          isExternal = true;
        }
      } catch (e) {
        // We can't do external URL detection without a valid URL
        UNSAFE_warning(false, `<Link to="${to}"> contains an invalid URL which will probably break ` + `when clicked - please update to a valid URL path.`) ;
      }
    }
  }

// Rendered into <a href> for relative URLs
  let href = useHref(to, {
    relative
  });
  let internalOnClick = useLinkClickHandler(to, {
    replace,
    state,
    target,
    preventScrollReset,
    relative,
    viewTransition
  });
  function handleClick(event) {
    if (onClick) onClick(event);
    if (!event.defaultPrevented) {
      internalOnClick(event);
    }
  }
  return (
    /*#__PURE__*/
    // eslint-disable-next-line jsx-a11y/anchor-has-content
    React.createElement("a", Object.assign({}, rest, {
      href: absoluteHref || href,
      onClick: isExternal || reloadDocument ? onClick : handleClick,
      ref: ref,
      target: target
    }))
  );
});
{
  Link.displayName = "Link";
}
/**
 * A `<Link>` wrapper that knows if it's "active" or not.
 */
const NavLink = /*#__PURE__*/React.forwardRef(function NavLinkWithRef({
  "aria-current": ariaCurrentProp = "page",
  caseSensitive = false,
  className: classNameProp = "",
  end = false,
  style: styleProp,
  to,
  viewTransition,
  children,
  ...rest
}, ref) {
  let path = useResolvedPath(to, {
    relative: rest.relative
  });
  let location = useLocation();
  let routerState = React.useContext(UNSAFE_DataRouterStateContext);
  let {
    navigator,
    basename
  } = React.useContext(UNSAFE_NavigationContext);
  let isTransitioning = routerState != null &&
  // Conditional usage is OK here because the usage of a data router is static
  // eslint-disable-next-line react-hooks/rules-of-hooks
  useViewTransitionState(path) && viewTransition === true;
  let toPathname = navigator.encodeLocation ? navigator.encodeLocation(path).pathname : path.pathname;
  let locationPathname = location.pathname;
  let nextLocationPathname = routerState && routerState.navigation && routerState.navigation.location ? routerState.navigation.location.pathname : null;
  if (!caseSensitive) {
    locationPathname = locationPathname.toLowerCase();
    nextLocationPathname = nextLocationPathname ? nextLocationPathname.toLowerCase() : null;
    toPathname = toPathname.toLowerCase();
  }
  if (nextLocationPathname && basename) {
    nextLocationPathname = stripBasename(nextLocationPathname, basename) || nextLocationPathname;
  }

// If the `to` has a trailing slash, look at that exact spot.  Otherwise,
  // we're looking for a slash _after_ what's in `to`.  For example:
  //
  // <NavLink to="/users"> and <NavLink to="/users/">
  // both want to look for a / at index 6 to match URL `/users/matt`
  const endSlashPosition = toPathname !== "/" && toPathname.endsWith("/") ? toPathname.length - 1 : toPathname.length;
  let isActive = locationPathname === toPathname || !end && locationPathname.startsWith(toPathname) && locationPathname.charAt(endSlashPosition) === "/";
  let isPending = nextLocationPathname != null && (nextLocationPathname === toPathname || !end && nextLocationPathname.startsWith(toPathname) && nextLocationPathname.charAt(toPathname.length) === "/");
  let renderProps = {
    isActive,
    isPending,
    isTransitioning
  };
  let ariaCurrent = isActive ? ariaCurrentProp : undefined;
  let className;
  if (typeof classNameProp === "function") {
    className = classNameProp(renderProps);
  } 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, isPending ? "pending" : null, isTransitioning ? "transitioning" : null].filter(Boolean).join(" ");
  }
  let style = typeof styleProp === "function" ? styleProp(renderProps) : styleProp;
  return /*#__PURE__*/React.createElement(Link, Object.assign({}, rest, {
    "aria-current": ariaCurrent,
    className: className,
    ref: ref,
    style: style,
    to: to,
    viewTransition: viewTransition
  }), typeof children === "function" ? children(renderProps) : children);
});
{
  NavLink.displayName = "NavLink";
}

/**
 * Form props shared by navigations and fetchers
 */

/**
 * Form props available to fetchers
 */

/**
 * Form props available to navigations
 */

/**
 * A `@remix-run/router`-aware `<form>`. It behaves like a normal form except
 * that the interaction with the server is with `fetch` instead of new document
 * requests, allowing components to add nicer UX to the page as the form is
 * submitted and returns with data.
 */
const Form = /*#__PURE__*/React.forwardRef(({
  fetcherKey,
  navigate,
  reloadDocument,
  replace,
  state,
  method: _method = defaultMethod,
  action,
  onSubmit,
  relative,
  preventScrollReset,
  viewTransition,
  ...props
}, forwardedRef) => {
  let submit = useSubmit();
  let formAction = useFormAction(action, {
    relative
  });
  let formMethod = _method.toLowerCase() === "get" ? "get" : "post";
  let submitHandler = event => {
    onSubmit && onSubmit(event);
    if (event.defaultPrevented) return;
    event.preventDefault();
    let submitter = event.nativeEvent.submitter;
    let submitMethod = submitter?.getAttribute("formmethod") || _method;
    submit(submitter || event.currentTarget, {
      fetcherKey,
      method: submitMethod,
      navigate,
      replace,
      state,
      relative,
      preventScrollReset,
      viewTransition
    });
  };
  return /*#__PURE__*/React.createElement("form", Object.assign({
    ref: forwardedRef,
    method: formMethod,
    action: formAction,
    onSubmit: reloadDocument ? onSubmit : submitHandler
  }, props));
});
{
  Form.displayName = "Form";
}
/**
 * This component will emulate the browser's scroll restoration on location
 * changes.
 */
function ScrollRestoration({
  getKey,
  storageKey
}) {
  useScrollRestoration({
    getKey,
    storageKey
  });
  return null;
}
{
  ScrollRestoration.displayName = "ScrollRestoration";
}
//#endregion

////////////////////////////////////////////////////////////////////////////////
//#region Hooks
////////////////////////////////////////////////////////////////////////////////
var DataRouterHook = /*#__PURE__*/function (DataRouterHook) {
  DataRouterHook["UseScrollRestoration"] = "useScrollRestoration";
  DataRouterHook["UseSubmit"] = "useSubmit";
  DataRouterHook["UseSubmitFetcher"] = "useSubmitFetcher";
  DataRouterHook["UseFetcher"] = "useFetcher";
  DataRouterHook["useViewTransitionState"] = "useViewTransitionState";
  return DataRouterHook;
}(DataRouterHook || {});
var DataRouterStateHook = /*#__PURE__*/function (DataRouterStateHook) {
  DataRouterStateHook["UseFetcher"] = "useFetcher";
  DataRouterStateHook["UseFetchers"] = "useFetchers";
  DataRouterStateHook["UseScrollRestoration"] = "useScrollRestoration";
  return DataRouterStateHook;
}(DataRouterStateHook || {}); // Internal hooks
function getDataRouterConsoleError(hookName) {
  return `${hookName} must be used within a data router.  See https://reactrouter.com/v6/routers/picking-a-router.`;
}
function useDataRouterContext(hookName) {
  let ctx = React.useContext(UNSAFE_DataRouterContext);
  !ctx ? UNSAFE_invariant(false, getDataRouterConsoleError(hookName))  : void 0;
  return ctx;
}
function useDataRouterState(hookName) {
  let state = React.useContext(UNSAFE_DataRouterStateContext);
  !state ? UNSAFE_invariant(false, getDataRouterConsoleError(hookName))  : void 0;
  return state;
}

// External 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,
  preventScrollReset,
  relative,
  viewTransition
} = {}) {
  let navigate = useNavigate();
  let location = useLocation();
  let path = useResolvedPath(to, {
    relative
  });
  return React.useCallback(event => {
    if (shouldProcessLinkClick(event, target)) {
      event.preventDefault();

// If the URL hasn't changed, a regular <a> will do a replace instead of
      // a push, so do the same here unless the replace prop is explicitly set
      let replace = replaceProp !== undefined ? replaceProp : createPath(location) === createPath(path);
      navigate(to, {
        replace,
        state,
        preventScrollReset,
        relative,
        viewTransition
      });
    }
  }, [location, navigate, path, replaceProp, state, target, to, preventScrollReset, relative, viewTransition]);
}

/**
 * A convenient wrapper for reading and writing search parameters via the
 * URLSearchParams interface.
 */
function useSearchParams(defaultInit) {
  UNSAFE_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.`) ;
  let defaultSearchParamsRef = React.useRef(createSearchParams(defaultInit));
  let hasSetSearchParamsRef = React.useRef(false);
  let location = useLocation();
  let searchParams = React.useMemo(() =>
  // Only merge in the defaults if we haven't yet called setSearchParams.
  // Once we call that we want those to take precedence, otherwise you can't
  // remove a param with setSearchParams({}) if it has an initial value
  getSearchParamsForLocation(location.search, hasSetSearchParamsRef.current ? null : defaultSearchParamsRef.current), [location.search]);
  let navigate = useNavigate();
  let setSearchParams = React.useCallback((nextInit, navigateOptions) => {
    const newSearchParams = createSearchParams(typeof nextInit === "function" ? nextInit(searchParams) : nextInit);
    hasSetSearchParamsRef.current = true;
    navigate("?" + newSearchParams, navigateOptions);
  }, [navigate, searchParams]);
  return [searchParams, setSearchParams];
}

/**
 * Submits a HTML `<form>` to the server without reloading the page.
 */

/**
 * Submits a fetcher `<form>` to the server without reloading the page.
 */

/**
 * Returns a function that may be used to programmatically submit a form (or
 * some arbitrary data) to the server.
 */
function useSubmit() {
  let {
    router
  } = useDataRouterContext(DataRouterHook.UseSubmit);
  let {
    basename
  } = React.useContext(UNSAFE_NavigationContext);
  let currentRouteId = UNSAFE_useRouteId();
  return React.useCallback((target, options = {}) => {
    validateClientSideSubmission();
    let {
      action,
      method,
      encType,
      formData,
      body
    } = getFormSubmissionInfo(target, basename);
    if (options.navigate === false) {
      let key = options.fetcherKey || getUniqueFetcherId();
      router.fetch(key, currentRouteId, options.action || action, {
        preventScrollReset: options.preventScrollReset,
        formData,
        body,
        formMethod: options.method || method,
        formEncType: options.encType || encType,
        flushSync: options.flushSync
      });
    } else {
      router.navigate(options.action || action, {
        preventScrollReset: options.preventScrollReset,
        formData,
        body,
        formMethod: options.method || method,
        formEncType: options.encType || encType,
        replace: options.replace,
        state: options.state,
        fromRouteId: currentRouteId,
        flushSync: options.flushSync,
        viewTransition: options.viewTransition
      });
    }
  }, [router, basename, currentRouteId]);
}

// v7: Eventually we should deprecate this entirely in favor of using the
// router method directly?
function useFormAction(action, {
  relative
} = {}) {
  let {
    basename
  } = React.useContext(UNSAFE_NavigationContext);
  let routeContext = React.useContext(UNSAFE_RouteContext);
  !routeContext ? UNSAFE_invariant(false, "useFormAction must be used inside a RouteContext")  : void 0;
  let [match] = routeContext.matches.slice(-1);
  // Shallow clone path so we can modify it below, otherwise we modify the
  // object referenced by useMemo inside useResolvedPath
  let path = {
    ...useResolvedPath(action ? action : ".", {
      relative
    })
  };

// If no action was specified, browsers will persist current search params
  // when determining the path, so match that behavior
  // https://github.com/remix-run/remix/issues/927
  let location = useLocation();
  if (action == null) {
    // Safe to write to this directly here since if action was undefined, we
    // would have called useResolvedPath(".") which will never include a search
    path.search = location.search;

// When grabbing search params from the URL, remove any included ?index param
    // since it might not apply to our contextual route.  We add it back based
    // on match.route.index below
    let params = new URLSearchParams(path.search);
    let indexValues = params.getAll("index");
    let hasNakedIndexParam = indexValues.some(v => v === "");
    if (hasNakedIndexParam) {
      params.delete("index");
      indexValues.filter(v => v).forEach(v => params.append("index", v));
      let qs = params.toString();
      path.search = qs ? `?${qs}` : "";
    }
  }
  if ((!action || action === ".") && match.route.index) {
    path.search = path.search ? path.search.replace(/^\?/, "?index&") : "?index";
  }

// If we're operating within a basename, prepend it to the pathname prior
  // to creating the form action.  If this is a root navigation, then just use
  // the raw basename which allows the basename to have full control over the
  // presence of a trailing slash on root actions
  if (basename !== "/") {
    path.pathname = path.pathname === "/" ? basename : joinPaths([basename, path.pathname]);
  }
  return createPath(path);
}
// TODO: (v7) Change the useFetcher generic default from `any` to `unknown`
/**
 * Interacts with route loaders and actions without causing a navigation. Great
 * for any interaction that stays on the same page.
 */
function useFetcher({
  key
} = {}) {
  let {
    router
  } = useDataRouterContext(DataRouterHook.UseFetcher);
  let state = useDataRouterState(DataRouterStateHook.UseFetcher);
  let fetcherData = React.useContext(FetchersContext);
  let route = React.useContext(UNSAFE_RouteContext);
  let routeId = route.matches[route.matches.length - 1]?.route.id;
  !fetcherData ? UNSAFE_invariant(false, `useFetcher must be used inside a FetchersContext`)  : void 0;
  !route ? UNSAFE_invariant(false, `useFetcher must be used inside a RouteContext`)  : void 0;
  !(routeId != null) ? UNSAFE_invariant(false, `useFetcher can only be used on routes that contain a unique "id"`)  : void 0;

// Fetcher key handling
  // OK to call conditionally to feature detect `useId`
  // eslint-disable-next-line react-hooks/rules-of-hooks
  let defaultKey = useIdImpl ? useIdImpl() : "";
  let [fetcherKey, setFetcherKey] = React.useState(key || defaultKey);
  if (key && key !== fetcherKey) {
    setFetcherKey(key);
  } else if (!fetcherKey) {
    // We will only fall through here when `useId` is not available
    setFetcherKey(getUniqueFetcherId());
  }

// Registration/cleanup
  React.useEffect(() => {
    router.getFetcher(fetcherKey);
    return () => {
      // Tell the router we've unmounted - if v7_fetcherPersist is enabled this
      // will not delete immediately but instead queue up a delete after the
      // fetcher returns to an `idle` state
      router.deleteFetcher(fetcherKey);
    };
  }, [router, fetcherKey]);

// Fetcher additions
  let load = React.useCallback((href, opts) => {
    !routeId ? UNSAFE_invariant(false, "No routeId available for fetcher.load()")  : void 0;
    router.fetch(fetcherKey, routeId, href, opts);
  }, [fetcherKey, routeId, router]);
  let submitImpl = useSubmit();
  let submit = React.useCallback((target, opts) => {
    submitImpl(target, {
      ...opts,
      navigate: false,
      fetcherKey
    });
  }, [fetcherKey, submitImpl]);
  let FetcherForm = React.useMemo(() => {
    let FetcherForm = /*#__PURE__*/React.forwardRef((props, ref) => {
      return /*#__PURE__*/React.createElement(Form, Object.assign({}, props, {
        navigate: false,
        fetcherKey: fetcherKey,
        ref: ref
      }));
    });
    {
      FetcherForm.displayName = "fetcher.Form";
    }
    return FetcherForm;
  }, [fetcherKey]);

// Exposed FetcherWithComponents
  let fetcher = state.fetchers.get(fetcherKey) || IDLE_FETCHER;
  let data = fetcherData.get(fetcherKey);
  let fetcherWithComponents = React.useMemo(() => ({
    Form: FetcherForm,
    submit,
    load,
    ...fetcher,
    data
  }), [FetcherForm, submit, load, fetcher, data]);
  return fetcherWithComponents;
}

/**
 * Provides all fetchers currently on the page. Useful for layouts and parent
 * routes that need to provide pending/optimistic UI regarding the fetch.
 */
function useFetchers() {
  let state = useDataRouterState(DataRouterStateHook.UseFetchers);
  return Array.from(state.fetchers.entries()).map(([key, fetcher]) => ({
    ...fetcher,
    key
  }));
}
const SCROLL_RESTORATION_STORAGE_KEY = "react-router-scroll-positions";
let savedScrollPositions = {};

/**
 * When rendered inside a RouterProvider, will restore scroll positions on navigations
 */
function useScrollRestoration({
  getKey,
  storageKey
} = {}) {
  let {
    router
  } = useDataRouterContext(DataRouterHook.UseScrollRestoration);
  let {
    restoreScrollPosition,
    preventScrollReset
  } = useDataRouterState(DataRouterStateHook.UseScrollRestoration);
  let {
    basename
  } = React.useContext(UNSAFE_NavigationContext);
  let location = useLocation();
  let matches = useMatches();
  let navigation = useNavigation();

// Trigger manual scroll restoration while we're active
  React.useEffect(() => {
    window.history.scrollRestoration = "manual";
    return () => {
      window.history.scrollRestoration = "auto";
    };
  }, []);

// Save positions on pagehide
  usePageHide(React.useCallback(() => {
    if (navigation.state === "idle") {
      let key = (getKey ? getKey(location, matches) : null) || location.key;
      savedScrollPositions[key] = window.scrollY;
    }
    try {
      sessionStorage.setItem(storageKey || SCROLL_RESTORATION_STORAGE_KEY, JSON.stringify(savedScrollPositions));
    } catch (error) {
      UNSAFE_warning(false, `Failed to save scroll positions in sessionStorage, <ScrollRestoration /> will not work properly (${error}).`) ;
    }
    window.history.scrollRestoration = "auto";
  }, [storageKey, getKey, navigation.state, location, matches]));

// Read in any saved scroll locations
  if (typeof document !== "undefined") {
    // eslint-disable-next-line react-hooks/rules-of-hooks
    React.useLayoutEffect(() => {
      try {
        let sessionPositions = sessionStorage.getItem(storageKey || SCROLL_RESTORATION_STORAGE_KEY);
        if (sessionPositions) {
          savedScrollPositions = JSON.parse(sessionPositions);
        }
      } catch (e) {
        // no-op, use default empty object
      }
    }, [storageKey]);

// Enable scroll restoration in the router
    // eslint-disable-next-line react-hooks/rules-of-hooks
    React.useLayoutEffect(() => {
      let getKeyWithoutBasename = getKey && basename !== "/" ? (location, matches) => getKey(
      // Strip the basename to match useLocation()
      {
        ...location,
        pathname: stripBasename(location.pathname, basename) || location.pathname
      }, matches) : getKey;
      let disableScrollRestoration = router?.enableScrollRestoration(savedScrollPositions, () => window.scrollY, getKeyWithoutBasename);
      return () => disableScrollRestoration && disableScrollRestoration();
    }, [router, basename, getKey]);

// Restore scrolling when state.restoreScrollPosition changes
    // eslint-disable-next-line react-hooks/rules-of-hooks
    React.useLayoutEffect(() => {
      // Explicit false means don't do anything (used for submissions)
      if (restoreScrollPosition === false) {
        return;
      }

// been here before, scroll to it
      if (typeof restoreScrollPosition === "number") {
        window.scrollTo(0, restoreScrollPosition);
        return;
      }

// try to scroll to the hash
      if (location.hash) {
        let el = document.getElementById(decodeURIComponent(location.hash.slice(1)));
        if (el) {
          el.scrollIntoView();
          return;
        }
      }

// Don't reset if this navigation opted out
      if (preventScrollReset === true) {
        return;
      }

// otherwise go to the top on new locations
      window.scrollTo(0, 0);
    }, [location, restoreScrollPosition, preventScrollReset]);
  }
}

/**
 * Setup a callback to be fired on the window's `beforeunload` event. This is
 * useful for saving some data to `window.localStorage` just before the page
 * refreshes.
 *
 * Note: The `callback` argument should be a function created with
 * `React.useCallback()`.
 */
function useBeforeUnload(callback, options) {
  let {
    capture
  } = options || {};
  React.useEffect(() => {
    let opts = capture != null ? {
      capture
    } : undefined;
    window.addEventListener("beforeunload", callback, opts);
    return () => {
      window.removeEventListener("beforeunload", callback, opts);
    };
  }, [callback, capture]);
}

/**
 * Setup a callback to be fired on the window's `pagehide` event. This is
 * useful for saving some data to `window.localStorage` just before the page
 * refreshes.  This event is better supported than beforeunload across browsers.
 *
 * Note: The `callback` argument should be a function created with
 * `React.useCallback()`.
 */
function usePageHide(callback, options) {
  let {
    capture
  } = options || {};
  React.useEffect(() => {
    let opts = capture != null ? {
      capture
    } : undefined;
    window.addEventListener("pagehide", callback, opts);
    return () => {
      window.removeEventListener("pagehide", callback, opts);
    };
  }, [callback, capture]);
}

/**
 * Wrapper around useBlocker to show a window.confirm prompt to users instead
 * of building a custom UI with useBlocker.
 *
 * Warning: This has *a lot of rough edges* and behaves very differently (and
 * very incorrectly in some cases) across browsers if user click addition
 * back/forward navigations while the confirm is open.  Use at your own risk.
 */
function usePrompt({
  when,
  message
}) {
  let blocker = useBlocker(when);
  React.useEffect(() => {
    if (blocker.state === "blocked") {
      let proceed = window.confirm(message);
      if (proceed) {
        // This timeout is needed to avoid a weird "race" on POP navigations
        // between the `window.history` revert navigation and the result of
        // `window.confirm`
        setTimeout(blocker.proceed, 0);
      } else {
        blocker.reset();
      }
    }
  }, [blocker, message]);
  React.useEffect(() => {
    if (blocker.state === "blocked" && !when) {
      blocker.reset();
    }
  }, [blocker, when]);
}

/**
 * Return a boolean indicating if there is an active view transition to the
 * given href.  You can use this value to render CSS classes or viewTransitionName
 * styles onto your elements
 *
 * @param href The destination href
 * @param [opts.relative] Relative routing type ("route" | "path")
 */
function useViewTransitionState(to, opts = {}) {
  let vtContext = React.useContext(ViewTransitionContext);
  !(vtContext != null) ? UNSAFE_invariant(false, "`useViewTransitionState` must be used within `react-router-dom`'s `RouterProvider`.  " + "Did you accidentally import `RouterProvider` from `react-router`?")  : void 0;
  let {
    basename
  } = useDataRouterContext(DataRouterHook.useViewTransitionState);
  let path = useResolvedPath(to, {
    relative: opts.relative
  });
  if (!vtContext.isTransitioning) {
    return false;
  }
  let currentPath = stripBasename(vtContext.currentLocation.pathname, basename) || vtContext.currentLocation.pathname;
  let nextPath = stripBasename(vtContext.nextLocation.pathname, basename) || vtContext.nextLocation.pathname;

// Transition is active if we're going to or coming from the indicated
  // destination.  This ensures that other PUSH navigations that reverse
  // an indicated transition apply.  I.e., on the list view you have:
  //
  //   <NavLink to="/details/1" viewTransition>
  //
  // If you click the breadcrumb back to the list view:
  //
  //   <NavLink to="/list" viewTransition>
  //
  // We should apply the transition because it's indicated as active going
  // from /list -> /details/1 and therefore should be active on the reverse
  // (even though this isn't strictly a POP reverse)
  return matchPath(path.pathname, nextPath) != null || matchPath(path.pathname, currentPath) != null;
}

//#endregion

export { BrowserRouter, Form, HashRouter, Link, NavLink, RouterProvider, ScrollRestoration, FetchersContext as UNSAFE_FetchersContext, ViewTransitionContext as UNSAFE_ViewTransitionContext, useScrollRestoration as UNSAFE_useScrollRestoration, createBrowserRouter, createHashRouter, createSearchParams, HistoryRouter as unstable_HistoryRouter, usePrompt as unstable_usePrompt, useBeforeUnload, useFetcher, useFetchers, useFormAction, useLinkClickHandler, useSearchParams, useSubmit, useViewTransitionState };
//# sourceMappingURL=react-router-dom.development.js.map