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index.js

/**
* React Router DOM v6.6.1
*
* 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 { UNSAFE_enhanceManualRouteObjects, Router, useHref, useResolvedPath, useLocation, UNSAFE_DataRouterStateContext, UNSAFE_NavigationContext, useNavigate, createPath, UNSAFE_RouteContext, useMatches, useNavigation, UNSAFE_DataRouterContext } from 'react-router';
export { AbortedDeferredError, Await, MemoryRouter, Navigate, NavigationType, Outlet, Route, Router, RouterProvider, Routes, UNSAFE_DataRouterContext, UNSAFE_DataRouterStateContext, UNSAFE_DataStaticRouterContext, UNSAFE_LocationContext, UNSAFE_NavigationContext, UNSAFE_RouteContext, UNSAFE_enhanceManualRouteObjects, createMemoryRouter, createPath, createRoutesFromChildren, createRoutesFromElements, defer, generatePath, isRouteErrorResponse, json, matchPath, matchRoutes, parsePath, redirect, renderMatches, resolvePath, useActionData, useAsyncError, useAsyncValue, useHref, useInRouterContext, useLoaderData, useLocation, useMatch, useMatches, useNavigate, useNavigation, useNavigationType, useOutlet, useOutletContext, useParams, useResolvedPath, useRevalidator, useRouteError, useRouteLoaderData, useRoutes } from 'react-router';
import { createRouter, createBrowserHistory, createHashHistory, ErrorResponse, invariant, joinPaths } from '@remix-run/router';
function _extends() {
_extends = Object.assign ? Object.assign.bind() : function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
return _extends.apply(this, arguments);
}
function _objectWithoutPropertiesLoose(source, excluded) {
if (source == null) return {};
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
return target;
}
const defaultMethod = "get";
const defaultEncType = "application/x-www-form-urlencoded";
function isHtmlElement(object) {
return object != null && typeof object.tagName === "string";
}
function isButtonElement(object) {
return isHtmlElement(object) && object.tagName.toLowerCase() === "button";
}
function isFormElement(object) {
return isHtmlElement(object) && object.tagName.toLowerCase() === "form";
}
function isInputElement(object) {
return isHtmlElement(object) && object.tagName.toLowerCase() === "input";
}
function isModifiedEvent(event) {
return !!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey);
}
function shouldProcessLinkClick(event, target) {
return event.button === 0 && ( // Ignore everything but left clicks
!target || target === "_self") && // Let browser handle "target=_blank" etc.
!isModifiedEvent(event) // Ignore clicks with modifier keys
;
}
/**
* 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) {
if (init === void 0) {
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);
for (let key of defaultSearchParams.keys()) {
if (!searchParams.has(key)) {
defaultSearchParams.getAll(key).forEach(value => {
searchParams.append(key, value);
});
}
}
return searchParams;
}
function getFormSubmissionInfo(target, defaultAction, options) {
let method;
let action;
let encType;
let formData;
if (isFormElement(target)) {
let submissionTrigger = options.submissionTrigger;
method = options.method || target.getAttribute("method") || defaultMethod;
action = options.action || target.getAttribute("action") || defaultAction;
encType = options.encType || target.getAttribute("enctype") || defaultEncType;
formData = new FormData(target);
if (submissionTrigger && submissionTrigger.name) {
formData.append(submissionTrigger.name, submissionTrigger.value);
}
} else if (isButtonElement(target) || isInputElement(target) && (target.type === "submit" || target.type === "image")) {
let form = target.form;
if (form == null) {
throw new Error("Cannot submit a <button> or <input type=\"submit\"> without a <form>");
} // <button>/<input type="submit"> may override attributes of <form>
method = options.method || target.getAttribute("formmethod") || form.getAttribute("method") || defaultMethod;
action = options.action || target.getAttribute("formaction") || form.getAttribute("action") || defaultAction;
encType = options.encType || target.getAttribute("formenctype") || form.getAttribute("enctype") || defaultEncType;
formData = new FormData(form); // Include name + value from a <button>, appending in case the button name
// matches an existing input name
if (target.name) {
formData.append(target.name, target.value);
}
} else if (isHtmlElement(target)) {
throw new Error("Cannot submit element that is not <form>, <button>, or " + "<input type=\"submit|image\">");
} else {
method = options.method || defaultMethod;
action = options.action || defaultAction;
encType = options.encType || defaultEncType;
if (target instanceof FormData) {
formData = target;
} else {
formData = new FormData();
if (target instanceof URLSearchParams) {
for (let [name, value] of target) {
formData.append(name, value);
}
} else if (target != null) {
for (let name of Object.keys(target)) {
formData.append(name, target[name]);
}
}
}
}
let {
protocol,
host
} = window.location;
let url = new URL(action, protocol + "//" + host);
return {
url,
method: method.toLowerCase(),
encType,
formData
};
}
const _excluded = ["onClick", "relative", "reloadDocument", "replace", "state", "target", "to", "preventScrollReset"],
_excluded2 = ["aria-current", "caseSensitive", "className", "end", "style", "to", "children"],
_excluded3 = ["reloadDocument", "replace", "method", "action", "onSubmit", "fetcherKey", "routeId", "relative"];
//#region Routers
////////////////////////////////////////////////////////////////////////////////
function createBrowserRouter(routes, opts) {
return createRouter({
basename: opts == null ? void 0 : opts.basename,
history: createBrowserHistory({
window: opts == null ? void 0 : opts.window
}),
hydrationData: (opts == null ? void 0 : opts.hydrationData) || parseHydrationData(),
routes: UNSAFE_enhanceManualRouteObjects(routes)
}).initialize();
}
function createHashRouter(routes, opts) {
return createRouter({
basename: opts == null ? void 0 : opts.basename,
history: createHashHistory({
window: opts == null ? void 0 : opts.window
}),
hydrationData: (opts == null ? void 0 : opts.hydrationData) || parseHydrationData(),
routes: UNSAFE_enhanceManualRouteObjects(routes)
}).initialize();
}
function parseHydrationData() {
var _window;
let state = (_window = window) == null ? void 0 : _window.__staticRouterHydrationData;
if (state && state.errors) {
state = _extends({}, 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 ErrorResponse(val.status, val.statusText, val.data, val.internal === true);
} else if (val && val.__type === "Error") {
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;
}
/**
* A `<Router>` for use in web browsers. Provides the cleanest URLs.
*/
function BrowserRouter(_ref) {
let {
basename,
children,
window
} = _ref;
let historyRef = React.useRef();
if (historyRef.current == null) {
historyRef.current = createBrowserHistory({
window,
v5Compat: true
});
}
let history = historyRef.current;
let [state, setState] = React.useState({
action: history.action,
location: history.location
});
React.useLayoutEffect(() => history.listen(setState), [history]);
return /*#__PURE__*/React.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(_ref2) {
let {
basename,
children,
window
} = _ref2;
let historyRef = React.useRef();
if (historyRef.current == null) {
historyRef.current = createHashHistory({
window,
v5Compat: true
});
}
let history = historyRef.current;
let [state, setState] = React.useState({
action: history.action,
location: history.location
});
React.useLayoutEffect(() => history.listen(setState), [history]);
return /*#__PURE__*/React.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(_ref3) {
let {
basename,
children,
history
} = _ref3;
const [state, setState] = React.useState({
action: history.action,
location: history.location
});
React.useLayoutEffect(() => history.listen(setState), [history]);
return /*#__PURE__*/React.createElement(Router, {
basename: basename,
children: children,
location: state.location,
navigationType: state.action,
navigator: history
});
}
if (process.env.NODE_ENV !== "production") {
HistoryRouter.displayName = "unstable_HistoryRouter";
}
/**
* The public API for rendering a history-aware <a>.
*/
const Link = /*#__PURE__*/React.forwardRef(function LinkWithRef(_ref4, ref) {
let {
onClick,
relative,
reloadDocument,
replace,
state,
target,
to,
preventScrollReset
} = _ref4,
rest = _objectWithoutPropertiesLoose(_ref4, _excluded);
let href = useHref(to, {
relative
});
let internalOnClick = useLinkClickHandler(to, {
replace,
state,
target,
preventScrollReset,
relative
});
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", _extends({}, rest, {
href: href,
onClick: reloadDocument ? onClick : handleClick,
ref: ref,
target: target
}))
);
});
if (process.env.NODE_ENV !== "production") {
Link.displayName = "Link";
}
/**
* A <Link> wrapper that knows if it's "active" or not.
*/
const NavLink = /*#__PURE__*/React.forwardRef(function NavLinkWithRef(_ref5, ref) {
let {
"aria-current": ariaCurrentProp = "page",
caseSensitive = false,
className: classNameProp = "",
end = false,
style: styleProp,
to,
children
} = _ref5,
rest = _objectWithoutPropertiesLoose(_ref5, _excluded2);
let path = useResolvedPath(to, {
relative: rest.relative
});
let location = useLocation();
let routerState = React.useContext(UNSAFE_DataRouterStateContext);
let {
navigator
} = React.useContext(UNSAFE_NavigationContext);
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();
}
let isActive = locationPathname === toPathname || !end && locationPathname.startsWith(toPathname) && locationPathname.charAt(toPathname.length) === "/";
let isPending = nextLocationPathname != null && (nextLocationPathname === toPathname || !end && nextLocationPathname.startsWith(toPathname) && nextLocationPathname.charAt(toPathname.length) === "/");
let ariaCurrent = isActive ? ariaCurrentProp : undefined;
let className;
if (typeof classNameProp === "function") {
className = classNameProp({
isActive,
isPending
});
} 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].filter(Boolean).join(" ");
}
let style = typeof styleProp === "function" ? styleProp({
isActive,
isPending
}) : styleProp;
return /*#__PURE__*/React.createElement(Link, _extends({}, rest, {
"aria-current": ariaCurrent,
className: className,
ref: ref,
style: style,
to: to
}), typeof children === "function" ? children({
isActive,
isPending
}) : children);
});
if (process.env.NODE_ENV !== "production") {
NavLink.displayName = "NavLink";
}
/**
* 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((props, ref) => {
return /*#__PURE__*/React.createElement(FormImpl, _extends({}, props, {
ref: ref
}));
});
if (process.env.NODE_ENV !== "production") {
Form.displayName = "Form";
}
const FormImpl = /*#__PURE__*/React.forwardRef((_ref6, forwardedRef) => {
let {
reloadDocument,
replace,
method = defaultMethod,
action,
onSubmit,
fetcherKey,
routeId,
relative
} = _ref6,
props = _objectWithoutPropertiesLoose(_ref6, _excluded3);
let submit = useSubmitImpl(fetcherKey, routeId);
let formMethod = method.toLowerCase() === "get" ? "get" : "post";
let formAction = useFormAction(action, {
relative
});
let submitHandler = event => {
onSubmit && onSubmit(event);
if (event.defaultPrevented) return;
event.preventDefault();
let submitter = event.nativeEvent.submitter;
let submitMethod = (submitter == null ? void 0 : submitter.getAttribute("formmethod")) || method;
submit(submitter || event.currentTarget, {
method: submitMethod,
replace,
relative
});
};
return /*#__PURE__*/React.createElement("form", _extends({
ref: forwardedRef,
method: formMethod,
action: formAction,
onSubmit: reloadDocument ? onSubmit : submitHandler
}, props));
});
if (process.env.NODE_ENV !== "production") {
FormImpl.displayName = "FormImpl";
}
/**
* This component will emulate the browser's scroll restoration on location
* changes.
*/
function ScrollRestoration(_ref7) {
let {
getKey,
storageKey
} = _ref7;
useScrollRestoration({
getKey,
storageKey
});
return null;
}
if (process.env.NODE_ENV !== "production") {
ScrollRestoration.displayName = "ScrollRestoration";
} //#endregion
////////////////////////////////////////////////////////////////////////////////
//#region Hooks
////////////////////////////////////////////////////////////////////////////////
var DataRouterHook;
(function (DataRouterHook) {
DataRouterHook["UseScrollRestoration"] = "useScrollRestoration";
DataRouterHook["UseSubmitImpl"] = "useSubmitImpl";
DataRouterHook["UseFetcher"] = "useFetcher";
})(DataRouterHook || (DataRouterHook = {}));
var DataRouterStateHook;
(function (DataRouterStateHook) {
DataRouterStateHook["UseFetchers"] = "useFetchers";
DataRouterStateHook["UseScrollRestoration"] = "useScrollRestoration";
})(DataRouterStateHook || (DataRouterStateHook = {}));
function getDataRouterConsoleError(hookName) {
return hookName + " must be used within a data router. See https://reactrouter.com/routers/picking-a-router.";
}
function useDataRouterContext(hookName) {
let ctx = React.useContext(UNSAFE_DataRouterContext);
!ctx ? process.env.NODE_ENV !== "production" ? invariant(false, getDataRouterConsoleError(hookName)) : invariant(false) : void 0;
return ctx;
}
function useDataRouterState(hookName) {
let state = React.useContext(UNSAFE_DataRouterStateContext);
!state ? process.env.NODE_ENV !== "production" ? invariant(false, getDataRouterConsoleError(hookName)) : invariant(false) : void 0;
return state;
}
/**
* 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, _temp) {
let {
target,
replace: replaceProp,
state,
preventScrollReset,
relative
} = _temp === void 0 ? {} : _temp;
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
});
}
}, [location, navigate, path, replaceProp, state, target, to, preventScrollReset, relative]);
}
/**
* A convenient wrapper for reading and writing search parameters via the
* URLSearchParams interface.
*/
function useSearchParams(defaultInit) {
process.env.NODE_ENV !== "production" ? 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.") : void 0;
let defaultSearchParamsRef = React.useRef(createSearchParams(defaultInit));
let location = useLocation();
let searchParams = React.useMemo(() => getSearchParamsForLocation(location.search, defaultSearchParamsRef.current), [location.search]);
let navigate = useNavigate();
let setSearchParams = React.useCallback((nextInit, navigateOptions) => {
const newSearchParams = createSearchParams(typeof nextInit === "function" ? nextInit(searchParams) : nextInit);
navigate("?" + newSearchParams, navigateOptions);
}, [navigate, searchParams]);
return [searchParams, setSearchParams];
}
/**
* Returns a function that may be used to programmatically submit a form (or
* some arbitrary data) to the server.
*/
function useSubmit() {
return useSubmitImpl();
}
function useSubmitImpl(fetcherKey, routeId) {
let {
router
} = useDataRouterContext(DataRouterHook.UseSubmitImpl);
let defaultAction = useFormAction();
return React.useCallback(function (target, options) {
if (options === void 0) {
options = {};
}
if (typeof document === "undefined") {
throw new Error("You are calling submit during the server render. " + "Try calling submit within a `useEffect` or callback instead.");
}
let {
method,
encType,
formData,
url
} = getFormSubmissionInfo(target, defaultAction, options);
let href = url.pathname + url.search;
let opts = {
replace: options.replace,
formData,
formMethod: method,
formEncType: encType
};
if (fetcherKey) {
!(routeId != null) ? process.env.NODE_ENV !== "production" ? invariant(false, "No routeId available for useFetcher()") : invariant(false) : void 0;
router.fetch(fetcherKey, routeId, href, opts);
} else {
router.navigate(href, opts);
}
}, [defaultAction, router, fetcherKey, routeId]);
}
function useFormAction(action, _temp2) {
let {
relative
} = _temp2 === void 0 ? {} : _temp2;
let {
basename
} = React.useContext(UNSAFE_NavigationContext);
let routeContext = React.useContext(UNSAFE_RouteContext);
!routeContext ? process.env.NODE_ENV !== "production" ? invariant(false, "useFormAction must be used inside a RouteContext") : invariant(false) : 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 = _extends({}, useResolvedPath(action ? action : ".", {
relative
})); // Previously we set the default action to ".". The problem with this is that
// `useResolvedPath(".")` excludes search params and the hash of the resolved
// URL. This is the intended behavior of when "." is specifically provided as
// the form action, but inconsistent w/ browsers when the action is omitted.
// https://github.com/remix-run/remix/issues/927
let location = useLocation();
if (action == null) {
// Safe to write to these directly here since if action was undefined, we
// would have called useResolvedPath(".") which will never include a search
// or hash
path.search = location.search;
path.hash = location.hash; // When grabbing search params from the URL, remove the automatically
// inserted ?index param so we match the useResolvedPath search behavior
// which would not include ?index
if (match.route.index) {
let params = new URLSearchParams(path.search);
params.delete("index");
path.search = params.toString() ? "?" + params.toString() : "";
}
}
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);
}
function createFetcherForm(fetcherKey, routeId) {
let FetcherForm = /*#__PURE__*/React.forwardRef((props, ref) => {
return /*#__PURE__*/React.createElement(FormImpl, _extends({}, props, {
ref: ref,
fetcherKey: fetcherKey,
routeId: routeId
}));
});
if (process.env.NODE_ENV !== "production") {
FetcherForm.displayName = "fetcher.Form";
}
return FetcherForm;
}
let fetcherId = 0;
/**
* Interacts with route loaders and actions without causing a navigation. Great
* for any interaction that stays on the same page.
*/
function useFetcher() {
var _route$matches;
let {
router
} = useDataRouterContext(DataRouterHook.UseFetcher);
let route = React.useContext(UNSAFE_RouteContext);
!route ? process.env.NODE_ENV !== "production" ? invariant(false, "useFetcher must be used inside a RouteContext") : invariant(false) : void 0;
let routeId = (_route$matches = route.matches[route.matches.length - 1]) == null ? void 0 : _route$matches.route.id;
!(routeId != null) ? process.env.NODE_ENV !== "production" ? invariant(false, "useFetcher can only be used on routes that contain a unique \"id\"") : invariant(false) : void 0;
let [fetcherKey] = React.useState(() => String(++fetcherId));
let [Form] = React.useState(() => {
!routeId ? process.env.NODE_ENV !== "production" ? invariant(false, "No routeId available for fetcher.Form()") : invariant(false) : void 0;
return createFetcherForm(fetcherKey, routeId);
});
let [load] = React.useState(() => href => {
!router ? process.env.NODE_ENV !== "production" ? invariant(false, "No router available for fetcher.load()") : invariant(false) : void 0;
!routeId ? process.env.NODE_ENV !== "production" ? invariant(false, "No routeId available for fetcher.load()") : invariant(false) : void 0;
router.fetch(fetcherKey, routeId, href);
});
let submit = useSubmitImpl(fetcherKey, routeId);
let fetcher = router.getFetcher(fetcherKey);
let fetcherWithComponents = React.useMemo(() => _extends({
Form,
submit,
load
}, fetcher), [fetcher, Form, submit, load]);
React.useEffect(() => {
// Is this busted when the React team gets real weird and calls effects
// twice on mount? We really just need to garbage collect here when this
// fetcher is no longer around.
return () => {
if (!router) {
console.warn("No fetcher available to clean up from useFetcher()");
return;
}
router.deleteFetcher(fetcherKey);
};
}, [router, fetcherKey]);
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 [...state.fetchers.values()];
}
const SCROLL_RESTORATION_STORAGE_KEY = "react-router-scroll-positions";
let savedScrollPositions = {};
/**
* When rendered inside a RouterProvider, will restore scroll positions on navigations
*/
function useScrollRestoration(_temp3) {
let {
getKey,
storageKey
} = _temp3 === void 0 ? {} : _temp3;
let {
router
} = useDataRouterContext(DataRouterHook.UseScrollRestoration);
let {
restoreScrollPosition,
preventScrollReset
} = useDataRouterState(DataRouterStateHook.UseScrollRestoration);
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 unload
useBeforeUnload(React.useCallback(() => {
if (navigation.state === "idle") {
let key = (getKey ? getKey(location, matches) : null) || location.key;
savedScrollPositions[key] = window.scrollY;
}
sessionStorage.setItem(storageKey || SCROLL_RESTORATION_STORAGE_KEY, JSON.stringify(savedScrollPositions));
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 disableScrollRestoration = router == null ? void 0 : router.enableScrollRestoration(savedScrollPositions, () => window.scrollY, getKey);
return () => disableScrollRestoration && disableScrollRestoration();
}, [router, 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(location.hash.slice(1));
if (el) {
el.scrollIntoView();
return;
}
} // Opt out of scroll reset if this link requested it
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) {
React.useEffect(() => {
window.addEventListener("beforeunload", callback);
return () => {
window.removeEventListener("beforeunload", callback);
};
}, [callback]);
} //#endregion
////////////////////////////////////////////////////////////////////////////////
//#region Utils
////////////////////////////////////////////////////////////////////////////////
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) {}
}
} //#endregion
export { BrowserRouter, Form, HashRouter, Link, NavLink, ScrollRestoration, useScrollRestoration as UNSAFE_useScrollRestoration, createBrowserRouter, createHashRouter, createSearchParams, HistoryRouter as unstable_HistoryRouter, useBeforeUnload, useFetcher, useFetchers, useFormAction, useLinkClickHandler, useSearchParams, useSubmit };
//# sourceMappingURL=index.js.map

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