"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.useSearchParams = useSearchParams;
exports.usePathname = usePathname;
Object.defineProperty(exports, "ServerInsertedHTMLContext", {
    enumerable: true,
    get: function() {
        return _serverInsertedHtml.ServerInsertedHTMLContext;
    }
});
Object.defineProperty(exports, "useServerInsertedHTML", {
    enumerable: true,
    get: function() {
        return _serverInsertedHtml.useServerInsertedHTML;
    }
});
exports.useRouter = useRouter;
exports.useSelectedLayoutSegments = useSelectedLayoutSegments;
exports.useSelectedLayoutSegment = useSelectedLayoutSegment;
Object.defineProperty(exports, "redirect", {
    enumerable: true,
    get: function() {
        return _redirect.redirect;
    }
});
Object.defineProperty(exports, "notFound", {
    enumerable: true,
    get: function() {
        return _notFound.notFound;
    }
});
var _react = require("react");
var _appRouterContext = require("../../shared/lib/app-router-context");
var _hooksClientContext = require("../../shared/lib/hooks-client-context");
var _bailoutToClientRendering = require("./bailout-to-client-rendering");
var _serverInsertedHtml = require("../../shared/lib/server-inserted-html");
var _redirect = require("./redirect");
var _notFound = require("./not-found");
const INTERNAL_URLSEARCHPARAMS_INSTANCE = Symbol('internal for urlsearchparams readonly');
function readonlyURLSearchParamsError() {
    return new Error('ReadonlyURLSearchParams cannot be modified');
}
class ReadonlyURLSearchParams {
    [Symbol.iterator]() {
        return this[INTERNAL_URLSEARCHPARAMS_INSTANCE][Symbol.iterator]();
    }
    append() {
        throw readonlyURLSearchParamsError();
    }
    delete() {
        throw readonlyURLSearchParamsError();
    }
    set() {
        throw readonlyURLSearchParamsError();
    }
    sort() {
        throw readonlyURLSearchParamsError();
    }
    constructor(urlSearchParams){
        // Since `new Headers` uses `this.append()` to fill the headers object ReadonlyHeaders can't extend from Headers directly as it would throw.
        this[INTERNAL_URLSEARCHPARAMS_INSTANCE] = urlSearchParams;
        this.entries = urlSearchParams.entries.bind(urlSearchParams);
        this.forEach = urlSearchParams.forEach.bind(urlSearchParams);
        this.get = urlSearchParams.get.bind(urlSearchParams);
        this.getAll = urlSearchParams.getAll.bind(urlSearchParams);
        this.has = urlSearchParams.has.bind(urlSearchParams);
        this.keys = urlSearchParams.keys.bind(urlSearchParams);
        this.values = urlSearchParams.values.bind(urlSearchParams);
        this.toString = urlSearchParams.toString.bind(urlSearchParams);
    }
}
function useSearchParams() {
    const searchParams = (0, _react).useContext(_hooksClientContext.SearchParamsContext);
    const readonlySearchParams = (0, _react).useMemo(()=>{
        return new ReadonlyURLSearchParams(searchParams || new URLSearchParams());
    }, [
        searchParams
    ]);
    if ((0, _bailoutToClientRendering).bailoutToClientRendering()) {
        // TODO-APP: handle dynamic = 'force-static' here and on the client
        return readonlySearchParams;
    }
    if (!searchParams) {
        throw new Error('invariant expected search params to be mounted');
    }
    return readonlySearchParams;
}
function usePathname() {
    return (0, _react).useContext(_hooksClientContext.PathnameContext);
}
function useRouter() {
    const router = (0, _react).useContext(_appRouterContext.AppRouterContext);
    if (router === null) {
        throw new Error('invariant expected app router to be mounted');
    }
    return router;
}
// TODO-APP: handle parallel routes
function getSelectedLayoutSegmentPath(tree, parallelRouteKey, first = true, segmentPath = []) {
    let node;
    if (first) {
        // Use the provided parallel route key on the first parallel route
        node = tree[1][parallelRouteKey];
    } else {
        // After first parallel route prefer children, if there's no children pick the first parallel route.
        const parallelRoutes = tree[1];
        var _children;
        node = (_children = parallelRoutes.children) != null ? _children : Object.values(parallelRoutes)[0];
    }
    if (!node) return segmentPath;
    const segment = node[0];
    const segmentValue = Array.isArray(segment) ? segment[1] : segment;
    if (!segmentValue) return segmentPath;
    segmentPath.push(segmentValue);
    return getSelectedLayoutSegmentPath(node, parallelRouteKey, false, segmentPath);
}
function useSelectedLayoutSegments(parallelRouteKey = 'children') {
    const { tree  } = (0, _react).useContext(_appRouterContext.LayoutRouterContext);
    return getSelectedLayoutSegmentPath(tree, parallelRouteKey);
}
function useSelectedLayoutSegment(parallelRouteKey = 'children') {
    const selectedLayoutSegments = useSelectedLayoutSegments(parallelRouteKey);
    if (selectedLayoutSegments.length === 0) {
        return null;
    }
    return selectedLayoutSegments[0];
}

if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
  Object.defineProperty(exports.default, '__esModule', { value: true });
  Object.assign(exports.default, exports);
  module.exports = exports.default;
}

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