29efe468827650f4cba1effca5da5533f4b480b78cf7be23eb3f52edc1a8ee14.json raw
1 {"ast":null,"code":"/**\n * @license Angular v19.2.20\n * (c) 2010-2025 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { DOCUMENT, Location } from '@angular/common';\nimport * as i0 from '@angular/core';\nimport { ɵisPromise as _isPromise, ɵRuntimeError as _RuntimeError, Injectable, ɵisNgModule as _isNgModule, isStandalone, createEnvironmentInjector, InjectionToken, EventEmitter, input, inject, ViewContainerRef, ChangeDetectorRef, Output, Input, Directive, reflectComponentType, Component, ɵisInjectable as _isInjectable, runInInjectionContext, NgModuleFactory, Compiler, NgZone, afterNextRender, EnvironmentInjector, DestroyRef, ɵConsole as _Console, ɵPendingTasksInternal as _PendingTasksInternal } from '@angular/core';\nimport { isObservable, from, of, BehaviorSubject, combineLatest, EmptyError, concat, defer, pipe, throwError, EMPTY, ConnectableObservable, Subject, Subscription } from 'rxjs';\nimport { map, switchMap, take, startWith, filter, mergeMap, first, concatMap, tap, catchError, scan, defaultIfEmpty, last as last$1, takeLast, finalize, refCount, takeUntil } from 'rxjs/operators';\nimport * as i1 from '@angular/platform-browser';\n\n/**\n * The primary routing outlet.\n *\n * @publicApi\n */\nconst PRIMARY_OUTLET = 'primary';\n/**\n * A private symbol used to store the value of `Route.title` inside the `Route.data` if it is a\n * static string or `Route.resolve` if anything else. This allows us to reuse the existing route\n * data/resolvers to support the title feature without new instrumentation in the `Router` pipeline.\n */\nconst RouteTitleKey = /* @__PURE__ */Symbol('RouteTitle');\nclass ParamsAsMap {\n params;\n constructor(params) {\n this.params = params || {};\n }\n has(name) {\n return Object.prototype.hasOwnProperty.call(this.params, name);\n }\n get(name) {\n if (this.has(name)) {\n const v = this.params[name];\n return Array.isArray(v) ? v[0] : v;\n }\n return null;\n }\n getAll(name) {\n if (this.has(name)) {\n const v = this.params[name];\n return Array.isArray(v) ? v : [v];\n }\n return [];\n }\n get keys() {\n return Object.keys(this.params);\n }\n}\n/**\n * Converts a `Params` instance to a `ParamMap`.\n * @param params The instance to convert.\n * @returns The new map instance.\n *\n * @publicApi\n */\nfunction convertToParamMap(params) {\n return new ParamsAsMap(params);\n}\n/**\n * Matches the route configuration (`route`) against the actual URL (`segments`).\n *\n * When no matcher is defined on a `Route`, this is the matcher used by the Router by default.\n *\n * @param segments The remaining unmatched segments in the current navigation\n * @param segmentGroup The current segment group being matched\n * @param route The `Route` to match against.\n *\n * @see {@link UrlMatchResult}\n * @see {@link Route}\n *\n * @returns The resulting match information or `null` if the `route` should not match.\n * @publicApi\n */\nfunction defaultUrlMatcher(segments, segmentGroup, route) {\n const parts = route.path.split('/');\n if (parts.length > segments.length) {\n // The actual URL is shorter than the config, no match\n return null;\n }\n if (route.pathMatch === 'full' && (segmentGroup.hasChildren() || parts.length < segments.length)) {\n // The config is longer than the actual URL but we are looking for a full match, return null\n return null;\n }\n const posParams = {};\n // Check each config part against the actual URL\n for (let index = 0; index < parts.length; index++) {\n const part = parts[index];\n const segment = segments[index];\n const isParameter = part[0] === ':';\n if (isParameter) {\n posParams[part.substring(1)] = segment;\n } else if (part !== segment.path) {\n // The actual URL part does not match the config, no match\n return null;\n }\n }\n return {\n consumed: segments.slice(0, parts.length),\n posParams\n };\n}\nfunction shallowEqualArrays(a, b) {\n if (a.length !== b.length) return false;\n for (let i = 0; i < a.length; ++i) {\n if (!shallowEqual(a[i], b[i])) return false;\n }\n return true;\n}\nfunction shallowEqual(a, b) {\n // While `undefined` should never be possible, it would sometimes be the case in IE 11\n // and pre-chromium Edge. The check below accounts for this edge case.\n const k1 = a ? getDataKeys(a) : undefined;\n const k2 = b ? getDataKeys(b) : undefined;\n if (!k1 || !k2 || k1.length != k2.length) {\n return false;\n }\n let key;\n for (let i = 0; i < k1.length; i++) {\n key = k1[i];\n if (!equalArraysOrString(a[key], b[key])) {\n return false;\n }\n }\n return true;\n}\n/**\n * Gets the keys of an object, including `symbol` keys.\n */\nfunction getDataKeys(obj) {\n return [...Object.keys(obj), ...Object.getOwnPropertySymbols(obj)];\n}\n/**\n * Test equality for arrays of strings or a string.\n */\nfunction equalArraysOrString(a, b) {\n if (Array.isArray(a) && Array.isArray(b)) {\n if (a.length !== b.length) return false;\n const aSorted = [...a].sort();\n const bSorted = [...b].sort();\n return aSorted.every((val, index) => bSorted[index] === val);\n } else {\n return a === b;\n }\n}\n/**\n * Return the last element of an array.\n */\nfunction last(a) {\n return a.length > 0 ? a[a.length - 1] : null;\n}\nfunction wrapIntoObservable(value) {\n if (isObservable(value)) {\n return value;\n }\n if (_isPromise(value)) {\n // Use `Promise.resolve()` to wrap promise-like instances.\n // Required ie when a Resolver returns a AngularJS `$q` promise to correctly trigger the\n // change detection.\n return from(Promise.resolve(value));\n }\n return of(value);\n}\nconst pathCompareMap = {\n 'exact': equalSegmentGroups,\n 'subset': containsSegmentGroup\n};\nconst paramCompareMap = {\n 'exact': equalParams,\n 'subset': containsParams,\n 'ignored': () => true\n};\nfunction containsTree(container, containee, options) {\n return pathCompareMap[options.paths](container.root, containee.root, options.matrixParams) && paramCompareMap[options.queryParams](container.queryParams, containee.queryParams) && !(options.fragment === 'exact' && container.fragment !== containee.fragment);\n}\nfunction equalParams(container, containee) {\n // TODO: This does not handle array params correctly.\n return shallowEqual(container, containee);\n}\nfunction equalSegmentGroups(container, containee, matrixParams) {\n if (!equalPath(container.segments, containee.segments)) return false;\n if (!matrixParamsMatch(container.segments, containee.segments, matrixParams)) {\n return false;\n }\n if (container.numberOfChildren !== containee.numberOfChildren) return false;\n for (const c in containee.children) {\n if (!container.children[c]) return false;\n if (!equalSegmentGroups(container.children[c], containee.children[c], matrixParams)) return false;\n }\n return true;\n}\nfunction containsParams(container, containee) {\n return Object.keys(containee).length <= Object.keys(container).length && Object.keys(containee).every(key => equalArraysOrString(container[key], containee[key]));\n}\nfunction containsSegmentGroup(container, containee, matrixParams) {\n return containsSegmentGroupHelper(container, containee, containee.segments, matrixParams);\n}\nfunction containsSegmentGroupHelper(container, containee, containeePaths, matrixParams) {\n if (container.segments.length > containeePaths.length) {\n const current = container.segments.slice(0, containeePaths.length);\n if (!equalPath(current, containeePaths)) return false;\n if (containee.hasChildren()) return false;\n if (!matrixParamsMatch(current, containeePaths, matrixParams)) return false;\n return true;\n } else if (container.segments.length === containeePaths.length) {\n if (!equalPath(container.segments, containeePaths)) return false;\n if (!matrixParamsMatch(container.segments, containeePaths, matrixParams)) return false;\n for (const c in containee.children) {\n if (!container.children[c]) return false;\n if (!containsSegmentGroup(container.children[c], containee.children[c], matrixParams)) {\n return false;\n }\n }\n return true;\n } else {\n const current = containeePaths.slice(0, container.segments.length);\n const next = containeePaths.slice(container.segments.length);\n if (!equalPath(container.segments, current)) return false;\n if (!matrixParamsMatch(container.segments, current, matrixParams)) return false;\n if (!container.children[PRIMARY_OUTLET]) return false;\n return containsSegmentGroupHelper(container.children[PRIMARY_OUTLET], containee, next, matrixParams);\n }\n}\nfunction matrixParamsMatch(containerPaths, containeePaths, options) {\n return containeePaths.every((containeeSegment, i) => {\n return paramCompareMap[options](containerPaths[i].parameters, containeeSegment.parameters);\n });\n}\n/**\n * @description\n *\n * Represents the parsed URL.\n *\n * Since a router state is a tree, and the URL is nothing but a serialized state, the URL is a\n * serialized tree.\n * UrlTree is a data structure that provides a lot of affordances in dealing with URLs\n *\n * @usageNotes\n * ### Example\n *\n * ```ts\n * @Component({templateUrl:'template.html'})\n * class MyComponent {\n * constructor(router: Router) {\n * const tree: UrlTree =\n * router.parseUrl('/team/33/(user/victor//support:help)?debug=true#fragment');\n * const f = tree.fragment; // return 'fragment'\n * const q = tree.queryParams; // returns {debug: 'true'}\n * const g: UrlSegmentGroup = tree.root.children[PRIMARY_OUTLET];\n * const s: UrlSegment[] = g.segments; // returns 2 segments 'team' and '33'\n * g.children[PRIMARY_OUTLET].segments; // returns 2 segments 'user' and 'victor'\n * g.children['support'].segments; // return 1 segment 'help'\n * }\n * }\n * ```\n *\n * @publicApi\n */\nclass UrlTree {\n root;\n queryParams;\n fragment;\n /** @internal */\n _queryParamMap;\n constructor(/** The root segment group of the URL tree */\n root = new UrlSegmentGroup([], {}), /** The query params of the URL */\n queryParams = {}, /** The fragment of the URL */\n fragment = null) {\n this.root = root;\n this.queryParams = queryParams;\n this.fragment = fragment;\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n if (root.segments.length > 0) {\n throw new _RuntimeError(4015 /* RuntimeErrorCode.INVALID_ROOT_URL_SEGMENT */, 'The root `UrlSegmentGroup` should not contain `segments`. ' + 'Instead, these segments belong in the `children` so they can be associated with a named outlet.');\n }\n }\n }\n get queryParamMap() {\n this._queryParamMap ??= convertToParamMap(this.queryParams);\n return this._queryParamMap;\n }\n /** @docsNotRequired */\n toString() {\n return DEFAULT_SERIALIZER.serialize(this);\n }\n}\n/**\n * @description\n *\n * Represents the parsed URL segment group.\n *\n * See `UrlTree` for more information.\n *\n * @publicApi\n */\nclass UrlSegmentGroup {\n segments;\n children;\n /** The parent node in the url tree */\n parent = null;\n constructor(/** The URL segments of this group. See `UrlSegment` for more information */\n segments, /** The list of children of this group */\n children) {\n this.segments = segments;\n this.children = children;\n Object.values(children).forEach(v => v.parent = this);\n }\n /** Whether the segment has child segments */\n hasChildren() {\n return this.numberOfChildren > 0;\n }\n /** Number of child segments */\n get numberOfChildren() {\n return Object.keys(this.children).length;\n }\n /** @docsNotRequired */\n toString() {\n return serializePaths(this);\n }\n}\n/**\n * @description\n *\n * Represents a single URL segment.\n *\n * A UrlSegment is a part of a URL between the two slashes. It contains a path and the matrix\n * parameters associated with the segment.\n *\n * @usageNotes\n * ### Example\n *\n * ```ts\n * @Component({templateUrl:'template.html'})\n * class MyComponent {\n * constructor(router: Router) {\n * const tree: UrlTree = router.parseUrl('/team;id=33');\n * const g: UrlSegmentGroup = tree.root.children[PRIMARY_OUTLET];\n * const s: UrlSegment[] = g.segments;\n * s[0].path; // returns 'team'\n * s[0].parameters; // returns {id: 33}\n * }\n * }\n * ```\n *\n * @publicApi\n */\nclass UrlSegment {\n path;\n parameters;\n /** @internal */\n _parameterMap;\n constructor(/** The path part of a URL segment */\n path, /** The matrix parameters associated with a segment */\n parameters) {\n this.path = path;\n this.parameters = parameters;\n }\n get parameterMap() {\n this._parameterMap ??= convertToParamMap(this.parameters);\n return this._parameterMap;\n }\n /** @docsNotRequired */\n toString() {\n return serializePath(this);\n }\n}\nfunction equalSegments(as, bs) {\n return equalPath(as, bs) && as.every((a, i) => shallowEqual(a.parameters, bs[i].parameters));\n}\nfunction equalPath(as, bs) {\n if (as.length !== bs.length) return false;\n return as.every((a, i) => a.path === bs[i].path);\n}\nfunction mapChildrenIntoArray(segment, fn) {\n let res = [];\n Object.entries(segment.children).forEach(([childOutlet, child]) => {\n if (childOutlet === PRIMARY_OUTLET) {\n res = res.concat(fn(child, childOutlet));\n }\n });\n Object.entries(segment.children).forEach(([childOutlet, child]) => {\n if (childOutlet !== PRIMARY_OUTLET) {\n res = res.concat(fn(child, childOutlet));\n }\n });\n return res;\n}\n/**\n * @description\n *\n * Serializes and deserializes a URL string into a URL tree.\n *\n * The url serialization strategy is customizable. You can\n * make all URLs case insensitive by providing a custom UrlSerializer.\n *\n * See `DefaultUrlSerializer` for an example of a URL serializer.\n *\n * @publicApi\n */\nlet UrlSerializer = /*#__PURE__*/(() => {\n class UrlSerializer {\n static ɵfac = function UrlSerializer_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || UrlSerializer)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: UrlSerializer,\n factory: () => (() => new DefaultUrlSerializer())(),\n providedIn: 'root'\n });\n }\n return UrlSerializer;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n/**\n * @description\n *\n * A default implementation of the `UrlSerializer`.\n *\n * Example URLs:\n *\n * ```\n * /inbox/33(popup:compose)\n * /inbox/33;open=true/messages/44\n * ```\n *\n * DefaultUrlSerializer uses parentheses to serialize secondary segments (e.g., popup:compose), the\n * colon syntax to specify the outlet, and the ';parameter=value' syntax (e.g., open=true) to\n * specify route specific parameters.\n *\n * @publicApi\n */\nclass DefaultUrlSerializer {\n /** Parses a url into a `UrlTree` */\n parse(url) {\n const p = new UrlParser(url);\n return new UrlTree(p.parseRootSegment(), p.parseQueryParams(), p.parseFragment());\n }\n /** Converts a `UrlTree` into a url */\n serialize(tree) {\n const segment = `/${serializeSegment(tree.root, true)}`;\n const query = serializeQueryParams(tree.queryParams);\n const fragment = typeof tree.fragment === `string` ? `#${encodeUriFragment(tree.fragment)}` : '';\n return `${segment}${query}${fragment}`;\n }\n}\nconst DEFAULT_SERIALIZER = /*#__PURE__*/new DefaultUrlSerializer();\nfunction serializePaths(segment) {\n return segment.segments.map(p => serializePath(p)).join('/');\n}\nfunction serializeSegment(segment, root) {\n if (!segment.hasChildren()) {\n return serializePaths(segment);\n }\n if (root) {\n const primary = segment.children[PRIMARY_OUTLET] ? serializeSegment(segment.children[PRIMARY_OUTLET], false) : '';\n const children = [];\n Object.entries(segment.children).forEach(([k, v]) => {\n if (k !== PRIMARY_OUTLET) {\n children.push(`${k}:${serializeSegment(v, false)}`);\n }\n });\n return children.length > 0 ? `${primary}(${children.join('//')})` : primary;\n } else {\n const children = mapChildrenIntoArray(segment, (v, k) => {\n if (k === PRIMARY_OUTLET) {\n return [serializeSegment(segment.children[PRIMARY_OUTLET], false)];\n }\n return [`${k}:${serializeSegment(v, false)}`];\n });\n // use no parenthesis if the only child is a primary outlet route\n if (Object.keys(segment.children).length === 1 && segment.children[PRIMARY_OUTLET] != null) {\n return `${serializePaths(segment)}/${children[0]}`;\n }\n return `${serializePaths(segment)}/(${children.join('//')})`;\n }\n}\n/**\n * Encodes a URI string with the default encoding. This function will only ever be called from\n * `encodeUriQuery` or `encodeUriSegment` as it's the base set of encodings to be used. We need\n * a custom encoding because encodeURIComponent is too aggressive and encodes stuff that doesn't\n * have to be encoded per https://url.spec.whatwg.org.\n */\nfunction encodeUriString(s) {\n return encodeURIComponent(s).replace(/%40/g, '@').replace(/%3A/gi, ':').replace(/%24/g, '$').replace(/%2C/gi, ',');\n}\n/**\n * This function should be used to encode both keys and values in a query string key/value. In\n * the following URL, you need to call encodeUriQuery on \"k\" and \"v\":\n *\n * http://www.site.org/html;mk=mv?k=v#f\n */\nfunction encodeUriQuery(s) {\n return encodeUriString(s).replace(/%3B/gi, ';');\n}\n/**\n * This function should be used to encode a URL fragment. In the following URL, you need to call\n * encodeUriFragment on \"f\":\n *\n * http://www.site.org/html;mk=mv?k=v#f\n */\nfunction encodeUriFragment(s) {\n return encodeURI(s);\n}\n/**\n * This function should be run on any URI segment as well as the key and value in a key/value\n * pair for matrix params. In the following URL, you need to call encodeUriSegment on \"html\",\n * \"mk\", and \"mv\":\n *\n * http://www.site.org/html;mk=mv?k=v#f\n */\nfunction encodeUriSegment(s) {\n return encodeUriString(s).replace(/\\(/g, '%28').replace(/\\)/g, '%29').replace(/%26/gi, '&');\n}\nfunction decode(s) {\n return decodeURIComponent(s);\n}\n// Query keys/values should have the \"+\" replaced first, as \"+\" in a query string is \" \".\n// decodeURIComponent function will not decode \"+\" as a space.\nfunction decodeQuery(s) {\n return decode(s.replace(/\\+/g, '%20'));\n}\nfunction serializePath(path) {\n return `${encodeUriSegment(path.path)}${serializeMatrixParams(path.parameters)}`;\n}\nfunction serializeMatrixParams(params) {\n return Object.entries(params).map(([key, value]) => `;${encodeUriSegment(key)}=${encodeUriSegment(value)}`).join('');\n}\nfunction serializeQueryParams(params) {\n const strParams = Object.entries(params).map(([name, value]) => {\n return Array.isArray(value) ? value.map(v => `${encodeUriQuery(name)}=${encodeUriQuery(v)}`).join('&') : `${encodeUriQuery(name)}=${encodeUriQuery(value)}`;\n }).filter(s => s);\n return strParams.length ? `?${strParams.join('&')}` : '';\n}\nconst SEGMENT_RE = /^[^\\/()?;#]+/;\nfunction matchSegments(str) {\n const match = str.match(SEGMENT_RE);\n return match ? match[0] : '';\n}\nconst MATRIX_PARAM_SEGMENT_RE = /^[^\\/()?;=#]+/;\nfunction matchMatrixKeySegments(str) {\n const match = str.match(MATRIX_PARAM_SEGMENT_RE);\n return match ? match[0] : '';\n}\nconst QUERY_PARAM_RE = /^[^=?&#]+/;\n// Return the name of the query param at the start of the string or an empty string\nfunction matchQueryParams(str) {\n const match = str.match(QUERY_PARAM_RE);\n return match ? match[0] : '';\n}\nconst QUERY_PARAM_VALUE_RE = /^[^&#]+/;\n// Return the value of the query param at the start of the string or an empty string\nfunction matchUrlQueryParamValue(str) {\n const match = str.match(QUERY_PARAM_VALUE_RE);\n return match ? match[0] : '';\n}\nclass UrlParser {\n url;\n remaining;\n constructor(url) {\n this.url = url;\n this.remaining = url;\n }\n parseRootSegment() {\n this.consumeOptional('/');\n if (this.remaining === '' || this.peekStartsWith('?') || this.peekStartsWith('#')) {\n return new UrlSegmentGroup([], {});\n }\n // The root segment group never has segments\n return new UrlSegmentGroup([], this.parseChildren());\n }\n parseQueryParams() {\n const params = {};\n if (this.consumeOptional('?')) {\n do {\n this.parseQueryParam(params);\n } while (this.consumeOptional('&'));\n }\n return params;\n }\n parseFragment() {\n return this.consumeOptional('#') ? decodeURIComponent(this.remaining) : null;\n }\n parseChildren() {\n if (this.remaining === '') {\n return {};\n }\n this.consumeOptional('/');\n const segments = [];\n if (!this.peekStartsWith('(')) {\n segments.push(this.parseSegment());\n }\n while (this.peekStartsWith('/') && !this.peekStartsWith('//') && !this.peekStartsWith('/(')) {\n this.capture('/');\n segments.push(this.parseSegment());\n }\n let children = {};\n if (this.peekStartsWith('/(')) {\n this.capture('/');\n children = this.parseParens(true);\n }\n let res = {};\n if (this.peekStartsWith('(')) {\n res = this.parseParens(false);\n }\n if (segments.length > 0 || Object.keys(children).length > 0) {\n res[PRIMARY_OUTLET] = new UrlSegmentGroup(segments, children);\n }\n return res;\n }\n // parse a segment with its matrix parameters\n // ie `name;k1=v1;k2`\n parseSegment() {\n const path = matchSegments(this.remaining);\n if (path === '' && this.peekStartsWith(';')) {\n throw new _RuntimeError(4009 /* RuntimeErrorCode.EMPTY_PATH_WITH_PARAMS */, (typeof ngDevMode === 'undefined' || ngDevMode) && `Empty path url segment cannot have parameters: '${this.remaining}'.`);\n }\n this.capture(path);\n return new UrlSegment(decode(path), this.parseMatrixParams());\n }\n parseMatrixParams() {\n const params = {};\n while (this.consumeOptional(';')) {\n this.parseParam(params);\n }\n return params;\n }\n parseParam(params) {\n const key = matchMatrixKeySegments(this.remaining);\n if (!key) {\n return;\n }\n this.capture(key);\n let value = '';\n if (this.consumeOptional('=')) {\n const valueMatch = matchSegments(this.remaining);\n if (valueMatch) {\n value = valueMatch;\n this.capture(value);\n }\n }\n params[decode(key)] = decode(value);\n }\n // Parse a single query parameter `name[=value]`\n parseQueryParam(params) {\n const key = matchQueryParams(this.remaining);\n if (!key) {\n return;\n }\n this.capture(key);\n let value = '';\n if (this.consumeOptional('=')) {\n const valueMatch = matchUrlQueryParamValue(this.remaining);\n if (valueMatch) {\n value = valueMatch;\n this.capture(value);\n }\n }\n const decodedKey = decodeQuery(key);\n const decodedVal = decodeQuery(value);\n if (params.hasOwnProperty(decodedKey)) {\n // Append to existing values\n let currentVal = params[decodedKey];\n if (!Array.isArray(currentVal)) {\n currentVal = [currentVal];\n params[decodedKey] = currentVal;\n }\n currentVal.push(decodedVal);\n } else {\n // Create a new value\n params[decodedKey] = decodedVal;\n }\n }\n // parse `(a/b//outlet_name:c/d)`\n parseParens(allowPrimary) {\n const segments = {};\n this.capture('(');\n while (!this.consumeOptional(')') && this.remaining.length > 0) {\n const path = matchSegments(this.remaining);\n const next = this.remaining[path.length];\n // if is is not one of these characters, then the segment was unescaped\n // or the group was not closed\n if (next !== '/' && next !== ')' && next !== ';') {\n throw new _RuntimeError(4010 /* RuntimeErrorCode.UNPARSABLE_URL */, (typeof ngDevMode === 'undefined' || ngDevMode) && `Cannot parse url '${this.url}'`);\n }\n let outletName = undefined;\n if (path.indexOf(':') > -1) {\n outletName = path.slice(0, path.indexOf(':'));\n this.capture(outletName);\n this.capture(':');\n } else if (allowPrimary) {\n outletName = PRIMARY_OUTLET;\n }\n const children = this.parseChildren();\n segments[outletName] = Object.keys(children).length === 1 ? children[PRIMARY_OUTLET] : new UrlSegmentGroup([], children);\n this.consumeOptional('//');\n }\n return segments;\n }\n peekStartsWith(str) {\n return this.remaining.startsWith(str);\n }\n // Consumes the prefix when it is present and returns whether it has been consumed\n consumeOptional(str) {\n if (this.peekStartsWith(str)) {\n this.remaining = this.remaining.substring(str.length);\n return true;\n }\n return false;\n }\n capture(str) {\n if (!this.consumeOptional(str)) {\n throw new _RuntimeError(4011 /* RuntimeErrorCode.UNEXPECTED_VALUE_IN_URL */, (typeof ngDevMode === 'undefined' || ngDevMode) && `Expected \"${str}\".`);\n }\n }\n}\nfunction createRoot(rootCandidate) {\n return rootCandidate.segments.length > 0 ? new UrlSegmentGroup([], {\n [PRIMARY_OUTLET]: rootCandidate\n }) : rootCandidate;\n}\n/**\n * Recursively\n * - merges primary segment children into their parents\n * - drops empty children (those which have no segments and no children themselves). This latter\n * prevents serializing a group into something like `/a(aux:)`, where `aux` is an empty child\n * segment.\n * - merges named outlets without a primary segment sibling into the children. This prevents\n * serializing a URL like `//(a:a)(b:b) instead of `/(a:a//b:b)` when the aux b route lives on the\n * root but the `a` route lives under an empty path primary route.\n */\nfunction squashSegmentGroup(segmentGroup) {\n const newChildren = {};\n for (const [childOutlet, child] of Object.entries(segmentGroup.children)) {\n const childCandidate = squashSegmentGroup(child);\n // moves named children in an empty path primary child into this group\n if (childOutlet === PRIMARY_OUTLET && childCandidate.segments.length === 0 && childCandidate.hasChildren()) {\n for (const [grandChildOutlet, grandChild] of Object.entries(childCandidate.children)) {\n newChildren[grandChildOutlet] = grandChild;\n }\n } // don't add empty children\n else if (childCandidate.segments.length > 0 || childCandidate.hasChildren()) {\n newChildren[childOutlet] = childCandidate;\n }\n }\n const s = new UrlSegmentGroup(segmentGroup.segments, newChildren);\n return mergeTrivialChildren(s);\n}\n/**\n * When possible, merges the primary outlet child into the parent `UrlSegmentGroup`.\n *\n * When a segment group has only one child which is a primary outlet, merges that child into the\n * parent. That is, the child segment group's segments are merged into the `s` and the child's\n * children become the children of `s`. Think of this like a 'squash', merging the child segment\n * group into the parent.\n */\nfunction mergeTrivialChildren(s) {\n if (s.numberOfChildren === 1 && s.children[PRIMARY_OUTLET]) {\n const c = s.children[PRIMARY_OUTLET];\n return new UrlSegmentGroup(s.segments.concat(c.segments), c.children);\n }\n return s;\n}\nfunction isUrlTree(v) {\n return v instanceof UrlTree;\n}\n\n/**\n * Creates a `UrlTree` relative to an `ActivatedRouteSnapshot`.\n *\n * @publicApi\n *\n *\n * @param relativeTo The `ActivatedRouteSnapshot` to apply the commands to\n * @param commands An array of URL fragments with which to construct the new URL tree.\n * If the path is static, can be the literal URL string. For a dynamic path, pass an array of path\n * segments, followed by the parameters for each segment.\n * The fragments are applied to the one provided in the `relativeTo` parameter.\n * @param queryParams The query parameters for the `UrlTree`. `null` if the `UrlTree` does not have\n * any query parameters.\n * @param fragment The fragment for the `UrlTree`. `null` if the `UrlTree` does not have a fragment.\n *\n * @usageNotes\n *\n * ```ts\n * // create /team/33/user/11\n * createUrlTreeFromSnapshot(snapshot, ['/team', 33, 'user', 11]);\n *\n * // create /team/33;expand=true/user/11\n * createUrlTreeFromSnapshot(snapshot, ['/team', 33, {expand: true}, 'user', 11]);\n *\n * // you can collapse static segments like this (this works only with the first passed-in value):\n * createUrlTreeFromSnapshot(snapshot, ['/team/33/user', userId]);\n *\n * // If the first segment can contain slashes, and you do not want the router to split it,\n * // you can do the following:\n * createUrlTreeFromSnapshot(snapshot, [{segmentPath: '/one/two'}]);\n *\n * // create /team/33/(user/11//right:chat)\n * createUrlTreeFromSnapshot(snapshot, ['/team', 33, {outlets: {primary: 'user/11', right:\n * 'chat'}}], null, null);\n *\n * // remove the right secondary node\n * createUrlTreeFromSnapshot(snapshot, ['/team', 33, {outlets: {primary: 'user/11', right: null}}]);\n *\n * // For the examples below, assume the current URL is for the `/team/33/user/11` and the\n * `ActivatedRouteSnapshot` points to `user/11`:\n *\n * // navigate to /team/33/user/11/details\n * createUrlTreeFromSnapshot(snapshot, ['details']);\n *\n * // navigate to /team/33/user/22\n * createUrlTreeFromSnapshot(snapshot, ['../22']);\n *\n * // navigate to /team/44/user/22\n * createUrlTreeFromSnapshot(snapshot, ['../../team/44/user/22']);\n * ```\n */\nfunction createUrlTreeFromSnapshot(relativeTo, commands, queryParams = null, fragment = null) {\n const relativeToUrlSegmentGroup = createSegmentGroupFromRoute(relativeTo);\n return createUrlTreeFromSegmentGroup(relativeToUrlSegmentGroup, commands, queryParams, fragment);\n}\nfunction createSegmentGroupFromRoute(route) {\n let targetGroup;\n function createSegmentGroupFromRouteRecursive(currentRoute) {\n const childOutlets = {};\n for (const childSnapshot of currentRoute.children) {\n const root = createSegmentGroupFromRouteRecursive(childSnapshot);\n childOutlets[childSnapshot.outlet] = root;\n }\n const segmentGroup = new UrlSegmentGroup(currentRoute.url, childOutlets);\n if (currentRoute === route) {\n targetGroup = segmentGroup;\n }\n return segmentGroup;\n }\n const rootCandidate = createSegmentGroupFromRouteRecursive(route.root);\n const rootSegmentGroup = createRoot(rootCandidate);\n return targetGroup ?? rootSegmentGroup;\n}\nfunction createUrlTreeFromSegmentGroup(relativeTo, commands, queryParams, fragment) {\n let root = relativeTo;\n while (root.parent) {\n root = root.parent;\n }\n // There are no commands so the `UrlTree` goes to the same path as the one created from the\n // `UrlSegmentGroup`. All we need to do is update the `queryParams` and `fragment` without\n // applying any other logic.\n if (commands.length === 0) {\n return tree(root, root, root, queryParams, fragment);\n }\n const nav = computeNavigation(commands);\n if (nav.toRoot()) {\n return tree(root, root, new UrlSegmentGroup([], {}), queryParams, fragment);\n }\n const position = findStartingPositionForTargetGroup(nav, root, relativeTo);\n const newSegmentGroup = position.processChildren ? updateSegmentGroupChildren(position.segmentGroup, position.index, nav.commands) : updateSegmentGroup(position.segmentGroup, position.index, nav.commands);\n return tree(root, position.segmentGroup, newSegmentGroup, queryParams, fragment);\n}\nfunction isMatrixParams(command) {\n return typeof command === 'object' && command != null && !command.outlets && !command.segmentPath;\n}\n/**\n * Determines if a given command has an `outlets` map. When we encounter a command\n * with an outlets k/v map, we need to apply each outlet individually to the existing segment.\n */\nfunction isCommandWithOutlets(command) {\n return typeof command === 'object' && command != null && command.outlets;\n}\nfunction tree(oldRoot, oldSegmentGroup, newSegmentGroup, queryParams, fragment) {\n let qp = {};\n if (queryParams) {\n Object.entries(queryParams).forEach(([name, value]) => {\n qp[name] = Array.isArray(value) ? value.map(v => `${v}`) : `${value}`;\n });\n }\n let rootCandidate;\n if (oldRoot === oldSegmentGroup) {\n rootCandidate = newSegmentGroup;\n } else {\n rootCandidate = replaceSegment(oldRoot, oldSegmentGroup, newSegmentGroup);\n }\n const newRoot = createRoot(squashSegmentGroup(rootCandidate));\n return new UrlTree(newRoot, qp, fragment);\n}\n/**\n * Replaces the `oldSegment` which is located in some child of the `current` with the `newSegment`.\n * This also has the effect of creating new `UrlSegmentGroup` copies to update references. This\n * shouldn't be necessary but the fallback logic for an invalid ActivatedRoute in the creation uses\n * the Router's current url tree. If we don't create new segment groups, we end up modifying that\n * value.\n */\nfunction replaceSegment(current, oldSegment, newSegment) {\n const children = {};\n Object.entries(current.children).forEach(([outletName, c]) => {\n if (c === oldSegment) {\n children[outletName] = newSegment;\n } else {\n children[outletName] = replaceSegment(c, oldSegment, newSegment);\n }\n });\n return new UrlSegmentGroup(current.segments, children);\n}\nclass Navigation {\n isAbsolute;\n numberOfDoubleDots;\n commands;\n constructor(isAbsolute, numberOfDoubleDots, commands) {\n this.isAbsolute = isAbsolute;\n this.numberOfDoubleDots = numberOfDoubleDots;\n this.commands = commands;\n if (isAbsolute && commands.length > 0 && isMatrixParams(commands[0])) {\n throw new _RuntimeError(4003 /* RuntimeErrorCode.ROOT_SEGMENT_MATRIX_PARAMS */, (typeof ngDevMode === 'undefined' || ngDevMode) && 'Root segment cannot have matrix parameters');\n }\n const cmdWithOutlet = commands.find(isCommandWithOutlets);\n if (cmdWithOutlet && cmdWithOutlet !== last(commands)) {\n throw new _RuntimeError(4004 /* RuntimeErrorCode.MISPLACED_OUTLETS_COMMAND */, (typeof ngDevMode === 'undefined' || ngDevMode) && '{outlets:{}} has to be the last command');\n }\n }\n toRoot() {\n return this.isAbsolute && this.commands.length === 1 && this.commands[0] == '/';\n }\n}\n/** Transforms commands to a normalized `Navigation` */\nfunction computeNavigation(commands) {\n if (typeof commands[0] === 'string' && commands.length === 1 && commands[0] === '/') {\n return new Navigation(true, 0, commands);\n }\n let numberOfDoubleDots = 0;\n let isAbsolute = false;\n const res = commands.reduce((res, cmd, cmdIdx) => {\n if (typeof cmd === 'object' && cmd != null) {\n if (cmd.outlets) {\n const outlets = {};\n Object.entries(cmd.outlets).forEach(([name, commands]) => {\n outlets[name] = typeof commands === 'string' ? commands.split('/') : commands;\n });\n return [...res, {\n outlets\n }];\n }\n if (cmd.segmentPath) {\n return [...res, cmd.segmentPath];\n }\n }\n if (!(typeof cmd === 'string')) {\n return [...res, cmd];\n }\n if (cmdIdx === 0) {\n cmd.split('/').forEach((urlPart, partIndex) => {\n if (partIndex == 0 && urlPart === '.') ;else if (partIndex == 0 && urlPart === '') {\n // '/a'\n isAbsolute = true;\n } else if (urlPart === '..') {\n // '../a'\n numberOfDoubleDots++;\n } else if (urlPart != '') {\n res.push(urlPart);\n }\n });\n return res;\n }\n return [...res, cmd];\n }, []);\n return new Navigation(isAbsolute, numberOfDoubleDots, res);\n}\nclass Position {\n segmentGroup;\n processChildren;\n index;\n constructor(segmentGroup, processChildren, index) {\n this.segmentGroup = segmentGroup;\n this.processChildren = processChildren;\n this.index = index;\n }\n}\nfunction findStartingPositionForTargetGroup(nav, root, target) {\n if (nav.isAbsolute) {\n return new Position(root, true, 0);\n }\n if (!target) {\n // `NaN` is used only to maintain backwards compatibility with incorrectly mocked\n // `ActivatedRouteSnapshot` in tests. In prior versions of this code, the position here was\n // determined based on an internal property that was rarely mocked, resulting in `NaN`. In\n // reality, this code path should _never_ be touched since `target` is not allowed to be falsey.\n return new Position(root, false, NaN);\n }\n if (target.parent === null) {\n return new Position(target, true, 0);\n }\n const modifier = isMatrixParams(nav.commands[0]) ? 0 : 1;\n const index = target.segments.length - 1 + modifier;\n return createPositionApplyingDoubleDots(target, index, nav.numberOfDoubleDots);\n}\nfunction createPositionApplyingDoubleDots(group, index, numberOfDoubleDots) {\n let g = group;\n let ci = index;\n let dd = numberOfDoubleDots;\n while (dd > ci) {\n dd -= ci;\n g = g.parent;\n if (!g) {\n throw new _RuntimeError(4005 /* RuntimeErrorCode.INVALID_DOUBLE_DOTS */, (typeof ngDevMode === 'undefined' || ngDevMode) && \"Invalid number of '../'\");\n }\n ci = g.segments.length;\n }\n return new Position(g, false, ci - dd);\n}\nfunction getOutlets(commands) {\n if (isCommandWithOutlets(commands[0])) {\n return commands[0].outlets;\n }\n return {\n [PRIMARY_OUTLET]: commands\n };\n}\nfunction updateSegmentGroup(segmentGroup, startIndex, commands) {\n segmentGroup ??= new UrlSegmentGroup([], {});\n if (segmentGroup.segments.length === 0 && segmentGroup.hasChildren()) {\n return updateSegmentGroupChildren(segmentGroup, startIndex, commands);\n }\n const m = prefixedWith(segmentGroup, startIndex, commands);\n const slicedCommands = commands.slice(m.commandIndex);\n if (m.match && m.pathIndex < segmentGroup.segments.length) {\n const g = new UrlSegmentGroup(segmentGroup.segments.slice(0, m.pathIndex), {});\n g.children[PRIMARY_OUTLET] = new UrlSegmentGroup(segmentGroup.segments.slice(m.pathIndex), segmentGroup.children);\n return updateSegmentGroupChildren(g, 0, slicedCommands);\n } else if (m.match && slicedCommands.length === 0) {\n return new UrlSegmentGroup(segmentGroup.segments, {});\n } else if (m.match && !segmentGroup.hasChildren()) {\n return createNewSegmentGroup(segmentGroup, startIndex, commands);\n } else if (m.match) {\n return updateSegmentGroupChildren(segmentGroup, 0, slicedCommands);\n } else {\n return createNewSegmentGroup(segmentGroup, startIndex, commands);\n }\n}\nfunction updateSegmentGroupChildren(segmentGroup, startIndex, commands) {\n if (commands.length === 0) {\n return new UrlSegmentGroup(segmentGroup.segments, {});\n } else {\n const outlets = getOutlets(commands);\n const children = {};\n // If the set of commands applies to anything other than the primary outlet and the child\n // segment is an empty path primary segment on its own, we want to apply the commands to the\n // empty child path rather than here. The outcome is that the empty primary child is effectively\n // removed from the final output UrlTree. Imagine the following config:\n //\n // {path: '', children: [{path: '**', outlet: 'popup'}]}.\n //\n // Navigation to /(popup:a) will activate the child outlet correctly Given a follow-up\n // navigation with commands\n // ['/', {outlets: {'popup': 'b'}}], we _would not_ want to apply the outlet commands to the\n // root segment because that would result in\n // //(popup:a)(popup:b) since the outlet command got applied one level above where it appears in\n // the `ActivatedRoute` rather than updating the existing one.\n //\n // Because empty paths do not appear in the URL segments and the fact that the segments used in\n // the output `UrlTree` are squashed to eliminate these empty paths where possible\n // https://github.com/angular/angular/blob/13f10de40e25c6900ca55bd83b36bd533dacfa9e/packages/router/src/url_tree.ts#L755\n // it can be hard to determine what is the right thing to do when applying commands to a\n // `UrlSegmentGroup` that is created from an \"unsquashed\"/expanded `ActivatedRoute` tree.\n // This code effectively \"squashes\" empty path primary routes when they have no siblings on\n // the same level of the tree.\n if (Object.keys(outlets).some(o => o !== PRIMARY_OUTLET) && segmentGroup.children[PRIMARY_OUTLET] && segmentGroup.numberOfChildren === 1 && segmentGroup.children[PRIMARY_OUTLET].segments.length === 0) {\n const childrenOfEmptyChild = updateSegmentGroupChildren(segmentGroup.children[PRIMARY_OUTLET], startIndex, commands);\n return new UrlSegmentGroup(segmentGroup.segments, childrenOfEmptyChild.children);\n }\n Object.entries(outlets).forEach(([outlet, commands]) => {\n if (typeof commands === 'string') {\n commands = [commands];\n }\n if (commands !== null) {\n children[outlet] = updateSegmentGroup(segmentGroup.children[outlet], startIndex, commands);\n }\n });\n Object.entries(segmentGroup.children).forEach(([childOutlet, child]) => {\n if (outlets[childOutlet] === undefined) {\n children[childOutlet] = child;\n }\n });\n return new UrlSegmentGroup(segmentGroup.segments, children);\n }\n}\nfunction prefixedWith(segmentGroup, startIndex, commands) {\n let currentCommandIndex = 0;\n let currentPathIndex = startIndex;\n const noMatch = {\n match: false,\n pathIndex: 0,\n commandIndex: 0\n };\n while (currentPathIndex < segmentGroup.segments.length) {\n if (currentCommandIndex >= commands.length) return noMatch;\n const path = segmentGroup.segments[currentPathIndex];\n const command = commands[currentCommandIndex];\n // Do not try to consume command as part of the prefixing if it has outlets because it can\n // contain outlets other than the one being processed. Consuming the outlets command would\n // result in other outlets being ignored.\n if (isCommandWithOutlets(command)) {\n break;\n }\n const curr = `${command}`;\n const next = currentCommandIndex < commands.length - 1 ? commands[currentCommandIndex + 1] : null;\n if (currentPathIndex > 0 && curr === undefined) break;\n if (curr && next && typeof next === 'object' && next.outlets === undefined) {\n if (!compare(curr, next, path)) return noMatch;\n currentCommandIndex += 2;\n } else {\n if (!compare(curr, {}, path)) return noMatch;\n currentCommandIndex++;\n }\n currentPathIndex++;\n }\n return {\n match: true,\n pathIndex: currentPathIndex,\n commandIndex: currentCommandIndex\n };\n}\nfunction createNewSegmentGroup(segmentGroup, startIndex, commands) {\n const paths = segmentGroup.segments.slice(0, startIndex);\n let i = 0;\n while (i < commands.length) {\n const command = commands[i];\n if (isCommandWithOutlets(command)) {\n const children = createNewSegmentChildren(command.outlets);\n return new UrlSegmentGroup(paths, children);\n }\n // if we start with an object literal, we need to reuse the path part from the segment\n if (i === 0 && isMatrixParams(commands[0])) {\n const p = segmentGroup.segments[startIndex];\n paths.push(new UrlSegment(p.path, stringify(commands[0])));\n i++;\n continue;\n }\n const curr = isCommandWithOutlets(command) ? command.outlets[PRIMARY_OUTLET] : `${command}`;\n const next = i < commands.length - 1 ? commands[i + 1] : null;\n if (curr && next && isMatrixParams(next)) {\n paths.push(new UrlSegment(curr, stringify(next)));\n i += 2;\n } else {\n paths.push(new UrlSegment(curr, {}));\n i++;\n }\n }\n return new UrlSegmentGroup(paths, {});\n}\nfunction createNewSegmentChildren(outlets) {\n const children = {};\n Object.entries(outlets).forEach(([outlet, commands]) => {\n if (typeof commands === 'string') {\n commands = [commands];\n }\n if (commands !== null) {\n children[outlet] = createNewSegmentGroup(new UrlSegmentGroup([], {}), 0, commands);\n }\n });\n return children;\n}\nfunction stringify(params) {\n const res = {};\n Object.entries(params).forEach(([k, v]) => res[k] = `${v}`);\n return res;\n}\nfunction compare(path, params, segment) {\n return path == segment.path && shallowEqual(params, segment.parameters);\n}\nconst IMPERATIVE_NAVIGATION = 'imperative';\n/**\n * Identifies the type of a router event.\n *\n * @publicApi\n */\nvar EventType = /*#__PURE__*/function (EventType) {\n EventType[EventType[\"NavigationStart\"] = 0] = \"NavigationStart\";\n EventType[EventType[\"NavigationEnd\"] = 1] = \"NavigationEnd\";\n EventType[EventType[\"NavigationCancel\"] = 2] = \"NavigationCancel\";\n EventType[EventType[\"NavigationError\"] = 3] = \"NavigationError\";\n EventType[EventType[\"RoutesRecognized\"] = 4] = \"RoutesRecognized\";\n EventType[EventType[\"ResolveStart\"] = 5] = \"ResolveStart\";\n EventType[EventType[\"ResolveEnd\"] = 6] = \"ResolveEnd\";\n EventType[EventType[\"GuardsCheckStart\"] = 7] = \"GuardsCheckStart\";\n EventType[EventType[\"GuardsCheckEnd\"] = 8] = \"GuardsCheckEnd\";\n EventType[EventType[\"RouteConfigLoadStart\"] = 9] = \"RouteConfigLoadStart\";\n EventType[EventType[\"RouteConfigLoadEnd\"] = 10] = \"RouteConfigLoadEnd\";\n EventType[EventType[\"ChildActivationStart\"] = 11] = \"ChildActivationStart\";\n EventType[EventType[\"ChildActivationEnd\"] = 12] = \"ChildActivationEnd\";\n EventType[EventType[\"ActivationStart\"] = 13] = \"ActivationStart\";\n EventType[EventType[\"ActivationEnd\"] = 14] = \"ActivationEnd\";\n EventType[EventType[\"Scroll\"] = 15] = \"Scroll\";\n EventType[EventType[\"NavigationSkipped\"] = 16] = \"NavigationSkipped\";\n return EventType;\n}(EventType || {});\n/**\n * Base for events the router goes through, as opposed to events tied to a specific\n * route. Fired one time for any given navigation.\n *\n * The following code shows how a class subscribes to router events.\n *\n * ```ts\n * import {Event, RouterEvent, Router} from '@angular/router';\n *\n * class MyService {\n * constructor(public router: Router) {\n * router.events.pipe(\n * filter((e: Event | RouterEvent): e is RouterEvent => e instanceof RouterEvent)\n * ).subscribe((e: RouterEvent) => {\n * // Do something\n * });\n * }\n * }\n * ```\n *\n * @see {@link Event}\n * @see [Router events summary](guide/routing/router-reference#router-events)\n * @publicApi\n */\nclass RouterEvent {\n id;\n url;\n constructor(/** A unique ID that the router assigns to every router navigation. */\n id, /** The URL that is the destination for this navigation. */\n url) {\n this.id = id;\n this.url = url;\n }\n}\n/**\n * An event triggered when a navigation starts.\n *\n * @publicApi\n */\nclass NavigationStart extends RouterEvent {\n type = EventType.NavigationStart;\n /**\n * Identifies the call or event that triggered the navigation.\n * An `imperative` trigger is a call to `router.navigateByUrl()` or `router.navigate()`.\n *\n * @see {@link NavigationEnd}\n * @see {@link NavigationCancel}\n * @see {@link NavigationError}\n */\n navigationTrigger;\n /**\n * The navigation state that was previously supplied to the `pushState` call,\n * when the navigation is triggered by a `popstate` event. Otherwise null.\n *\n * The state object is defined by `NavigationExtras`, and contains any\n * developer-defined state value, as well as a unique ID that\n * the router assigns to every router transition/navigation.\n *\n * From the perspective of the router, the router never \"goes back\".\n * When the user clicks on the back button in the browser,\n * a new navigation ID is created.\n *\n * Use the ID in this previous-state object to differentiate between a newly created\n * state and one returned to by a `popstate` event, so that you can restore some\n * remembered state, such as scroll position.\n *\n */\n restoredState;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n navigationTrigger = 'imperative', /** @docsNotRequired */\n restoredState = null) {\n super(id, url);\n this.navigationTrigger = navigationTrigger;\n this.restoredState = restoredState;\n }\n /** @docsNotRequired */\n toString() {\n return `NavigationStart(id: ${this.id}, url: '${this.url}')`;\n }\n}\n/**\n * An event triggered when a navigation ends successfully.\n *\n * @see {@link NavigationStart}\n * @see {@link NavigationCancel}\n * @see {@link NavigationError}\n *\n * @publicApi\n */\nclass NavigationEnd extends RouterEvent {\n urlAfterRedirects;\n type = EventType.NavigationEnd;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n urlAfterRedirects) {\n super(id, url);\n this.urlAfterRedirects = urlAfterRedirects;\n }\n /** @docsNotRequired */\n toString() {\n return `NavigationEnd(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}')`;\n }\n}\n/**\n * A code for the `NavigationCancel` event of the `Router` to indicate the\n * reason a navigation failed.\n *\n * @publicApi\n */\nvar NavigationCancellationCode = /*#__PURE__*/function (NavigationCancellationCode) {\n /**\n * A navigation failed because a guard returned a `UrlTree` to redirect.\n */\n NavigationCancellationCode[NavigationCancellationCode[\"Redirect\"] = 0] = \"Redirect\";\n /**\n * A navigation failed because a more recent navigation started.\n */\n NavigationCancellationCode[NavigationCancellationCode[\"SupersededByNewNavigation\"] = 1] = \"SupersededByNewNavigation\";\n /**\n * A navigation failed because one of the resolvers completed without emitting a value.\n */\n NavigationCancellationCode[NavigationCancellationCode[\"NoDataFromResolver\"] = 2] = \"NoDataFromResolver\";\n /**\n * A navigation failed because a guard returned `false`.\n */\n NavigationCancellationCode[NavigationCancellationCode[\"GuardRejected\"] = 3] = \"GuardRejected\";\n return NavigationCancellationCode;\n}(NavigationCancellationCode || {});\n/**\n * A code for the `NavigationSkipped` event of the `Router` to indicate the\n * reason a navigation was skipped.\n *\n * @publicApi\n */\nvar NavigationSkippedCode = /*#__PURE__*/function (NavigationSkippedCode) {\n /**\n * A navigation was skipped because the navigation URL was the same as the current Router URL.\n */\n NavigationSkippedCode[NavigationSkippedCode[\"IgnoredSameUrlNavigation\"] = 0] = \"IgnoredSameUrlNavigation\";\n /**\n * A navigation was skipped because the configured `UrlHandlingStrategy` return `false` for both\n * the current Router URL and the target of the navigation.\n *\n * @see {@link UrlHandlingStrategy}\n */\n NavigationSkippedCode[NavigationSkippedCode[\"IgnoredByUrlHandlingStrategy\"] = 1] = \"IgnoredByUrlHandlingStrategy\";\n return NavigationSkippedCode;\n}(NavigationSkippedCode || {});\n/**\n * An event triggered when a navigation is canceled, directly or indirectly.\n * This can happen for several reasons including when a route guard\n * returns `false` or initiates a redirect by returning a `UrlTree`.\n *\n * @see {@link NavigationStart}\n * @see {@link NavigationEnd}\n * @see {@link NavigationError}\n *\n * @publicApi\n */\nclass NavigationCancel extends RouterEvent {\n reason;\n code;\n type = EventType.NavigationCancel;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url,\n /**\n * A description of why the navigation was cancelled. For debug purposes only. Use `code`\n * instead for a stable cancellation reason that can be used in production.\n */\n reason,\n /**\n * A code to indicate why the navigation was canceled. This cancellation code is stable for\n * the reason and can be relied on whereas the `reason` string could change and should not be\n * used in production.\n */\n code) {\n super(id, url);\n this.reason = reason;\n this.code = code;\n }\n /** @docsNotRequired */\n toString() {\n return `NavigationCancel(id: ${this.id}, url: '${this.url}')`;\n }\n}\n/**\n * An event triggered when a navigation is skipped.\n * This can happen for a couple reasons including onSameUrlHandling\n * is set to `ignore` and the navigation URL is not different than the\n * current state.\n *\n * @publicApi\n */\nclass NavigationSkipped extends RouterEvent {\n reason;\n code;\n type = EventType.NavigationSkipped;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url,\n /**\n * A description of why the navigation was skipped. For debug purposes only. Use `code`\n * instead for a stable skipped reason that can be used in production.\n */\n reason,\n /**\n * A code to indicate why the navigation was skipped. This code is stable for\n * the reason and can be relied on whereas the `reason` string could change and should not be\n * used in production.\n */\n code) {\n super(id, url);\n this.reason = reason;\n this.code = code;\n }\n}\n/**\n * An event triggered when a navigation fails due to an unexpected error.\n *\n * @see {@link NavigationStart}\n * @see {@link NavigationEnd}\n * @see {@link NavigationCancel}\n *\n * @publicApi\n */\nclass NavigationError extends RouterEvent {\n error;\n target;\n type = EventType.NavigationError;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n error,\n /**\n * The target of the navigation when the error occurred.\n *\n * Note that this can be `undefined` because an error could have occurred before the\n * `RouterStateSnapshot` was created for the navigation.\n */\n target) {\n super(id, url);\n this.error = error;\n this.target = target;\n }\n /** @docsNotRequired */\n toString() {\n return `NavigationError(id: ${this.id}, url: '${this.url}', error: ${this.error})`;\n }\n}\n/**\n * An event triggered when routes are recognized.\n *\n * @publicApi\n */\nclass RoutesRecognized extends RouterEvent {\n urlAfterRedirects;\n state;\n type = EventType.RoutesRecognized;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n urlAfterRedirects, /** @docsNotRequired */\n state) {\n super(id, url);\n this.urlAfterRedirects = urlAfterRedirects;\n this.state = state;\n }\n /** @docsNotRequired */\n toString() {\n return `RoutesRecognized(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;\n }\n}\n/**\n * An event triggered at the start of the Guard phase of routing.\n *\n * @see {@link GuardsCheckEnd}\n *\n * @publicApi\n */\nclass GuardsCheckStart extends RouterEvent {\n urlAfterRedirects;\n state;\n type = EventType.GuardsCheckStart;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n urlAfterRedirects, /** @docsNotRequired */\n state) {\n super(id, url);\n this.urlAfterRedirects = urlAfterRedirects;\n this.state = state;\n }\n toString() {\n return `GuardsCheckStart(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;\n }\n}\n/**\n * An event triggered at the end of the Guard phase of routing.\n *\n * @see {@link GuardsCheckStart}\n *\n * @publicApi\n */\nclass GuardsCheckEnd extends RouterEvent {\n urlAfterRedirects;\n state;\n shouldActivate;\n type = EventType.GuardsCheckEnd;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n urlAfterRedirects, /** @docsNotRequired */\n state, /** @docsNotRequired */\n shouldActivate) {\n super(id, url);\n this.urlAfterRedirects = urlAfterRedirects;\n this.state = state;\n this.shouldActivate = shouldActivate;\n }\n toString() {\n return `GuardsCheckEnd(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state}, shouldActivate: ${this.shouldActivate})`;\n }\n}\n/**\n * An event triggered at the start of the Resolve phase of routing.\n *\n * Runs in the \"resolve\" phase whether or not there is anything to resolve.\n * In future, may change to only run when there are things to be resolved.\n *\n * @see {@link ResolveEnd}\n *\n * @publicApi\n */\nclass ResolveStart extends RouterEvent {\n urlAfterRedirects;\n state;\n type = EventType.ResolveStart;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n urlAfterRedirects, /** @docsNotRequired */\n state) {\n super(id, url);\n this.urlAfterRedirects = urlAfterRedirects;\n this.state = state;\n }\n toString() {\n return `ResolveStart(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;\n }\n}\n/**\n * An event triggered at the end of the Resolve phase of routing.\n * @see {@link ResolveStart}\n *\n * @publicApi\n */\nclass ResolveEnd extends RouterEvent {\n urlAfterRedirects;\n state;\n type = EventType.ResolveEnd;\n constructor(/** @docsNotRequired */\n id, /** @docsNotRequired */\n url, /** @docsNotRequired */\n urlAfterRedirects, /** @docsNotRequired */\n state) {\n super(id, url);\n this.urlAfterRedirects = urlAfterRedirects;\n this.state = state;\n }\n toString() {\n return `ResolveEnd(id: ${this.id}, url: '${this.url}', urlAfterRedirects: '${this.urlAfterRedirects}', state: ${this.state})`;\n }\n}\n/**\n * An event triggered before lazy loading a route configuration.\n *\n * @see {@link RouteConfigLoadEnd}\n *\n * @publicApi\n */\nclass RouteConfigLoadStart {\n route;\n type = EventType.RouteConfigLoadStart;\n constructor(/** @docsNotRequired */\n route) {\n this.route = route;\n }\n toString() {\n return `RouteConfigLoadStart(path: ${this.route.path})`;\n }\n}\n/**\n * An event triggered when a route has been lazy loaded.\n *\n * @see {@link RouteConfigLoadStart}\n *\n * @publicApi\n */\nclass RouteConfigLoadEnd {\n route;\n type = EventType.RouteConfigLoadEnd;\n constructor(/** @docsNotRequired */\n route) {\n this.route = route;\n }\n toString() {\n return `RouteConfigLoadEnd(path: ${this.route.path})`;\n }\n}\n/**\n * An event triggered at the start of the child-activation\n * part of the Resolve phase of routing.\n * @see {@link ChildActivationEnd}\n * @see {@link ResolveStart}\n *\n * @publicApi\n */\nclass ChildActivationStart {\n snapshot;\n type = EventType.ChildActivationStart;\n constructor(/** @docsNotRequired */\n snapshot) {\n this.snapshot = snapshot;\n }\n toString() {\n const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';\n return `ChildActivationStart(path: '${path}')`;\n }\n}\n/**\n * An event triggered at the end of the child-activation part\n * of the Resolve phase of routing.\n * @see {@link ChildActivationStart}\n * @see {@link ResolveStart}\n * @publicApi\n */\nclass ChildActivationEnd {\n snapshot;\n type = EventType.ChildActivationEnd;\n constructor(/** @docsNotRequired */\n snapshot) {\n this.snapshot = snapshot;\n }\n toString() {\n const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';\n return `ChildActivationEnd(path: '${path}')`;\n }\n}\n/**\n * An event triggered at the start of the activation part\n * of the Resolve phase of routing.\n * @see {@link ActivationEnd}\n * @see {@link ResolveStart}\n *\n * @publicApi\n */\nclass ActivationStart {\n snapshot;\n type = EventType.ActivationStart;\n constructor(/** @docsNotRequired */\n snapshot) {\n this.snapshot = snapshot;\n }\n toString() {\n const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';\n return `ActivationStart(path: '${path}')`;\n }\n}\n/**\n * An event triggered at the end of the activation part\n * of the Resolve phase of routing.\n * @see {@link ActivationStart}\n * @see {@link ResolveStart}\n *\n * @publicApi\n */\nclass ActivationEnd {\n snapshot;\n type = EventType.ActivationEnd;\n constructor(/** @docsNotRequired */\n snapshot) {\n this.snapshot = snapshot;\n }\n toString() {\n const path = this.snapshot.routeConfig && this.snapshot.routeConfig.path || '';\n return `ActivationEnd(path: '${path}')`;\n }\n}\n/**\n * An event triggered by scrolling.\n *\n * @publicApi\n */\nclass Scroll {\n routerEvent;\n position;\n anchor;\n type = EventType.Scroll;\n constructor(/** @docsNotRequired */\n routerEvent, /** @docsNotRequired */\n position, /** @docsNotRequired */\n anchor) {\n this.routerEvent = routerEvent;\n this.position = position;\n this.anchor = anchor;\n }\n toString() {\n const pos = this.position ? `${this.position[0]}, ${this.position[1]}` : null;\n return `Scroll(anchor: '${this.anchor}', position: '${pos}')`;\n }\n}\nclass BeforeActivateRoutes {}\nclass RedirectRequest {\n url;\n navigationBehaviorOptions;\n constructor(url, navigationBehaviorOptions) {\n this.url = url;\n this.navigationBehaviorOptions = navigationBehaviorOptions;\n }\n}\nfunction stringifyEvent(routerEvent) {\n switch (routerEvent.type) {\n case EventType.ActivationEnd:\n return `ActivationEnd(path: '${routerEvent.snapshot.routeConfig?.path || ''}')`;\n case EventType.ActivationStart:\n return `ActivationStart(path: '${routerEvent.snapshot.routeConfig?.path || ''}')`;\n case EventType.ChildActivationEnd:\n return `ChildActivationEnd(path: '${routerEvent.snapshot.routeConfig?.path || ''}')`;\n case EventType.ChildActivationStart:\n return `ChildActivationStart(path: '${routerEvent.snapshot.routeConfig?.path || ''}')`;\n case EventType.GuardsCheckEnd:\n return `GuardsCheckEnd(id: ${routerEvent.id}, url: '${routerEvent.url}', urlAfterRedirects: '${routerEvent.urlAfterRedirects}', state: ${routerEvent.state}, shouldActivate: ${routerEvent.shouldActivate})`;\n case EventType.GuardsCheckStart:\n return `GuardsCheckStart(id: ${routerEvent.id}, url: '${routerEvent.url}', urlAfterRedirects: '${routerEvent.urlAfterRedirects}', state: ${routerEvent.state})`;\n case EventType.NavigationCancel:\n return `NavigationCancel(id: ${routerEvent.id}, url: '${routerEvent.url}')`;\n case EventType.NavigationSkipped:\n return `NavigationSkipped(id: ${routerEvent.id}, url: '${routerEvent.url}')`;\n case EventType.NavigationEnd:\n return `NavigationEnd(id: ${routerEvent.id}, url: '${routerEvent.url}', urlAfterRedirects: '${routerEvent.urlAfterRedirects}')`;\n case EventType.NavigationError:\n return `NavigationError(id: ${routerEvent.id}, url: '${routerEvent.url}', error: ${routerEvent.error})`;\n case EventType.NavigationStart:\n return `NavigationStart(id: ${routerEvent.id}, url: '${routerEvent.url}')`;\n case EventType.ResolveEnd:\n return `ResolveEnd(id: ${routerEvent.id}, url: '${routerEvent.url}', urlAfterRedirects: '${routerEvent.urlAfterRedirects}', state: ${routerEvent.state})`;\n case EventType.ResolveStart:\n return `ResolveStart(id: ${routerEvent.id}, url: '${routerEvent.url}', urlAfterRedirects: '${routerEvent.urlAfterRedirects}', state: ${routerEvent.state})`;\n case EventType.RouteConfigLoadEnd:\n return `RouteConfigLoadEnd(path: ${routerEvent.route.path})`;\n case EventType.RouteConfigLoadStart:\n return `RouteConfigLoadStart(path: ${routerEvent.route.path})`;\n case EventType.RoutesRecognized:\n return `RoutesRecognized(id: ${routerEvent.id}, url: '${routerEvent.url}', urlAfterRedirects: '${routerEvent.urlAfterRedirects}', state: ${routerEvent.state})`;\n case EventType.Scroll:\n const pos = routerEvent.position ? `${routerEvent.position[0]}, ${routerEvent.position[1]}` : null;\n return `Scroll(anchor: '${routerEvent.anchor}', position: '${pos}')`;\n }\n}\n\n/**\n * Creates an `EnvironmentInjector` if the `Route` has providers and one does not already exist\n * and returns the injector. Otherwise, if the `Route` does not have `providers`, returns the\n * `currentInjector`.\n *\n * @param route The route that might have providers\n * @param currentInjector The parent injector of the `Route`\n */\nfunction getOrCreateRouteInjectorIfNeeded(route, currentInjector) {\n if (route.providers && !route._injector) {\n route._injector = createEnvironmentInjector(route.providers, currentInjector, `Route: ${route.path}`);\n }\n return route._injector ?? currentInjector;\n}\nfunction validateConfig(config, parentPath = '', requireStandaloneComponents = false) {\n // forEach doesn't iterate undefined values\n for (let i = 0; i < config.length; i++) {\n const route = config[i];\n const fullPath = getFullPath(parentPath, route);\n validateNode(route, fullPath, requireStandaloneComponents);\n }\n}\nfunction assertStandalone(fullPath, component) {\n if (component && _isNgModule(component)) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}'. You are using 'loadComponent' with a module, ` + `but it must be used with standalone components. Use 'loadChildren' instead.`);\n } else if (component && !isStandalone(component)) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}'. The component must be standalone.`);\n }\n}\nfunction validateNode(route, fullPath, requireStandaloneComponents) {\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n if (!route) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `\n Invalid configuration of route '${fullPath}': Encountered undefined route.\n The reason might be an extra comma.\n\n Example:\n const routes: Routes = [\n { path: '', redirectTo: '/dashboard', pathMatch: 'full' },\n { path: 'dashboard', component: DashboardComponent },, << two commas\n { path: 'detail/:id', component: HeroDetailComponent }\n ];\n `);\n }\n if (Array.isArray(route)) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': Array cannot be specified`);\n }\n if (!route.redirectTo && !route.component && !route.loadComponent && !route.children && !route.loadChildren && route.outlet && route.outlet !== PRIMARY_OUTLET) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': a componentless route without children or loadChildren cannot have a named outlet set`);\n }\n if (route.redirectTo && route.children) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': redirectTo and children cannot be used together`);\n }\n if (route.redirectTo && route.loadChildren) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': redirectTo and loadChildren cannot be used together`);\n }\n if (route.children && route.loadChildren) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': children and loadChildren cannot be used together`);\n }\n if (route.redirectTo && (route.component || route.loadComponent)) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': redirectTo and component/loadComponent cannot be used together`);\n }\n if (route.component && route.loadComponent) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': component and loadComponent cannot be used together`);\n }\n if (route.redirectTo && route.canActivate) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': redirectTo and canActivate cannot be used together. Redirects happen before activation ` + `so canActivate will never be executed.`);\n }\n if (route.path && route.matcher) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': path and matcher cannot be used together`);\n }\n if (route.redirectTo === void 0 && !route.component && !route.loadComponent && !route.children && !route.loadChildren) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}'. One of the following must be provided: component, loadComponent, redirectTo, children or loadChildren`);\n }\n if (route.path === void 0 && route.matcher === void 0) {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': routes must have either a path or a matcher specified`);\n }\n if (typeof route.path === 'string' && route.path.charAt(0) === '/') {\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '${fullPath}': path cannot start with a slash`);\n }\n if (route.path === '' && route.redirectTo !== void 0 && route.pathMatch === void 0) {\n const exp = `The default value of 'pathMatch' is 'prefix', but often the intent is to use 'full'.`;\n throw new _RuntimeError(4014 /* RuntimeErrorCode.INVALID_ROUTE_CONFIG */, `Invalid configuration of route '{path: \"${fullPath}\", redirectTo: \"${route.redirectTo}\"}': please provide 'pathMatch'. ${exp}`);\n }\n if (requireStandaloneComponents) {\n assertStandalone(fullPath, route.component);\n }\n }\n if (route.children) {\n validateConfig(route.children, fullPath, requireStandaloneComponents);\n }\n}\nfunction getFullPath(parentPath, currentRoute) {\n if (!currentRoute) {\n return parentPath;\n }\n if (!parentPath && !currentRoute.path) {\n return '';\n } else if (parentPath && !currentRoute.path) {\n return `${parentPath}/`;\n } else if (!parentPath && currentRoute.path) {\n return currentRoute.path;\n } else {\n return `${parentPath}/${currentRoute.path}`;\n }\n}\n/** Returns the `route.outlet` or PRIMARY_OUTLET if none exists. */\nfunction getOutlet(route) {\n return route.outlet || PRIMARY_OUTLET;\n}\n/**\n * Sorts the `routes` such that the ones with an outlet matching `outletName` come first.\n * The order of the configs is otherwise preserved.\n */\nfunction sortByMatchingOutlets(routes, outletName) {\n const sortedConfig = routes.filter(r => getOutlet(r) === outletName);\n sortedConfig.push(...routes.filter(r => getOutlet(r) !== outletName));\n return sortedConfig;\n}\n/**\n * Gets the first injector in the snapshot's parent tree.\n *\n * If the `Route` has a static list of providers, the returned injector will be the one created from\n * those. If it does not exist, the returned injector may come from the parents, which may be from a\n * loaded config or their static providers.\n *\n * Returns `null` if there is neither this nor any parents have a stored injector.\n *\n * Generally used for retrieving the injector to use for getting tokens for guards/resolvers and\n * also used for getting the correct injector to use for creating components.\n */\nfunction getClosestRouteInjector(snapshot) {\n if (!snapshot) return null;\n // If the current route has its own injector, which is created from the static providers on the\n // route itself, we should use that. Otherwise, we start at the parent since we do not want to\n // include the lazy loaded injector from this route.\n if (snapshot.routeConfig?._injector) {\n return snapshot.routeConfig._injector;\n }\n for (let s = snapshot.parent; s; s = s.parent) {\n const route = s.routeConfig;\n // Note that the order here is important. `_loadedInjector` stored on the route with\n // `loadChildren: () => NgModule` so it applies to child routes with priority. The `_injector`\n // is created from the static providers on that parent route, so it applies to the children as\n // well, but only if there is no lazy loaded NgModuleRef injector.\n if (route?._loadedInjector) return route._loadedInjector;\n if (route?._injector) return route._injector;\n }\n return null;\n}\n\n/**\n * Store contextual information about a `RouterOutlet`\n *\n * @publicApi\n */\nclass OutletContext {\n rootInjector;\n outlet = null;\n route = null;\n children;\n attachRef = null;\n get injector() {\n return getClosestRouteInjector(this.route?.snapshot) ?? this.rootInjector;\n }\n constructor(rootInjector) {\n this.rootInjector = rootInjector;\n this.children = new ChildrenOutletContexts(this.rootInjector);\n }\n}\n/**\n * Store contextual information about the children (= nested) `RouterOutlet`\n *\n * @publicApi\n */\nlet ChildrenOutletContexts = /*#__PURE__*/(() => {\n class ChildrenOutletContexts {\n rootInjector;\n // contexts for child outlets, by name.\n contexts = new Map();\n /** @docs-private */\n constructor(rootInjector) {\n this.rootInjector = rootInjector;\n }\n /** Called when a `RouterOutlet` directive is instantiated */\n onChildOutletCreated(childName, outlet) {\n const context = this.getOrCreateContext(childName);\n context.outlet = outlet;\n this.contexts.set(childName, context);\n }\n /**\n * Called when a `RouterOutlet` directive is destroyed.\n * We need to keep the context as the outlet could be destroyed inside a NgIf and might be\n * re-created later.\n */\n onChildOutletDestroyed(childName) {\n const context = this.getContext(childName);\n if (context) {\n context.outlet = null;\n context.attachRef = null;\n }\n }\n /**\n * Called when the corresponding route is deactivated during navigation.\n * Because the component get destroyed, all children outlet are destroyed.\n */\n onOutletDeactivated() {\n const contexts = this.contexts;\n this.contexts = new Map();\n return contexts;\n }\n onOutletReAttached(contexts) {\n this.contexts = contexts;\n }\n getOrCreateContext(childName) {\n let context = this.getContext(childName);\n if (!context) {\n context = new OutletContext(this.rootInjector);\n this.contexts.set(childName, context);\n }\n return context;\n }\n getContext(childName) {\n return this.contexts.get(childName) || null;\n }\n static ɵfac = function ChildrenOutletContexts_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || ChildrenOutletContexts)(i0.ɵɵinject(i0.EnvironmentInjector));\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: ChildrenOutletContexts,\n factory: ChildrenOutletContexts.ɵfac,\n providedIn: 'root'\n });\n }\n return ChildrenOutletContexts;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nclass Tree {\n /** @internal */\n _root;\n constructor(root) {\n this._root = root;\n }\n get root() {\n return this._root.value;\n }\n /**\n * @internal\n */\n parent(t) {\n const p = this.pathFromRoot(t);\n return p.length > 1 ? p[p.length - 2] : null;\n }\n /**\n * @internal\n */\n children(t) {\n const n = findNode(t, this._root);\n return n ? n.children.map(t => t.value) : [];\n }\n /**\n * @internal\n */\n firstChild(t) {\n const n = findNode(t, this._root);\n return n && n.children.length > 0 ? n.children[0].value : null;\n }\n /**\n * @internal\n */\n siblings(t) {\n const p = findPath(t, this._root);\n if (p.length < 2) return [];\n const c = p[p.length - 2].children.map(c => c.value);\n return c.filter(cc => cc !== t);\n }\n /**\n * @internal\n */\n pathFromRoot(t) {\n return findPath(t, this._root).map(s => s.value);\n }\n}\n// DFS for the node matching the value\nfunction findNode(value, node) {\n if (value === node.value) return node;\n for (const child of node.children) {\n const node = findNode(value, child);\n if (node) return node;\n }\n return null;\n}\n// Return the path to the node with the given value using DFS\nfunction findPath(value, node) {\n if (value === node.value) return [node];\n for (const child of node.children) {\n const path = findPath(value, child);\n if (path.length) {\n path.unshift(node);\n return path;\n }\n }\n return [];\n}\nclass TreeNode {\n value;\n children;\n constructor(value, children) {\n this.value = value;\n this.children = children;\n }\n toString() {\n return `TreeNode(${this.value})`;\n }\n}\n// Return the list of T indexed by outlet name\nfunction nodeChildrenAsMap(node) {\n const map = {};\n if (node) {\n node.children.forEach(child => map[child.value.outlet] = child);\n }\n return map;\n}\n\n/**\n * Represents the state of the router as a tree of activated routes.\n *\n * @usageNotes\n *\n * Every node in the route tree is an `ActivatedRoute` instance\n * that knows about the \"consumed\" URL segments, the extracted parameters,\n * and the resolved data.\n * Use the `ActivatedRoute` properties to traverse the tree from any node.\n *\n * The following fragment shows how a component gets the root node\n * of the current state to establish its own route tree:\n *\n * ```ts\n * @Component({templateUrl:'template.html'})\n * class MyComponent {\n * constructor(router: Router) {\n * const state: RouterState = router.routerState;\n * const root: ActivatedRoute = state.root;\n * const child = root.firstChild;\n * const id: Observable<string> = child.params.map(p => p.id);\n * //...\n * }\n * }\n * ```\n *\n * @see {@link ActivatedRoute}\n * @see [Getting route information](guide/routing/common-router-tasks#getting-route-information)\n *\n * @publicApi\n */\nclass RouterState extends Tree {\n snapshot;\n /** @internal */\n constructor(root, /** The current snapshot of the router state */\n snapshot) {\n super(root);\n this.snapshot = snapshot;\n setRouterState(this, root);\n }\n toString() {\n return this.snapshot.toString();\n }\n}\nfunction createEmptyState(rootComponent) {\n const snapshot = createEmptyStateSnapshot(rootComponent);\n const emptyUrl = new BehaviorSubject([new UrlSegment('', {})]);\n const emptyParams = new BehaviorSubject({});\n const emptyData = new BehaviorSubject({});\n const emptyQueryParams = new BehaviorSubject({});\n const fragment = new BehaviorSubject('');\n const activated = new ActivatedRoute(emptyUrl, emptyParams, emptyQueryParams, fragment, emptyData, PRIMARY_OUTLET, rootComponent, snapshot.root);\n activated.snapshot = snapshot.root;\n return new RouterState(new TreeNode(activated, []), snapshot);\n}\nfunction createEmptyStateSnapshot(rootComponent) {\n const emptyParams = {};\n const emptyData = {};\n const emptyQueryParams = {};\n const fragment = '';\n const activated = new ActivatedRouteSnapshot([], emptyParams, emptyQueryParams, fragment, emptyData, PRIMARY_OUTLET, rootComponent, null, {});\n return new RouterStateSnapshot('', new TreeNode(activated, []));\n}\n/**\n * Provides access to information about a route associated with a component\n * that is loaded in an outlet.\n * Use to traverse the `RouterState` tree and extract information from nodes.\n *\n * The following example shows how to construct a component using information from a\n * currently activated route.\n *\n * Note: the observables in this class only emit when the current and previous values differ based\n * on shallow equality. For example, changing deeply nested properties in resolved `data` will not\n * cause the `ActivatedRoute.data` `Observable` to emit a new value.\n *\n * {@example router/activated-route/module.ts region=\"activated-route\"\n * header=\"activated-route.component.ts\"}\n *\n * @see [Getting route information](guide/routing/common-router-tasks#getting-route-information)\n *\n * @publicApi\n */\nclass ActivatedRoute {\n urlSubject;\n paramsSubject;\n queryParamsSubject;\n fragmentSubject;\n dataSubject;\n outlet;\n component;\n /** The current snapshot of this route */\n snapshot;\n /** @internal */\n _futureSnapshot;\n /** @internal */\n _routerState;\n /** @internal */\n _paramMap;\n /** @internal */\n _queryParamMap;\n /** An Observable of the resolved route title */\n title;\n /** An observable of the URL segments matched by this route. */\n url;\n /** An observable of the matrix parameters scoped to this route. */\n params;\n /** An observable of the query parameters shared by all the routes. */\n queryParams;\n /** An observable of the URL fragment shared by all the routes. */\n fragment;\n /** An observable of the static and resolved data of this route. */\n data;\n /** @internal */\n constructor(/** @internal */\n urlSubject, /** @internal */\n paramsSubject, /** @internal */\n queryParamsSubject, /** @internal */\n fragmentSubject, /** @internal */\n dataSubject, /** The outlet name of the route, a constant. */\n outlet, /** The component of the route, a constant. */\n component, futureSnapshot) {\n this.urlSubject = urlSubject;\n this.paramsSubject = paramsSubject;\n this.queryParamsSubject = queryParamsSubject;\n this.fragmentSubject = fragmentSubject;\n this.dataSubject = dataSubject;\n this.outlet = outlet;\n this.component = component;\n this._futureSnapshot = futureSnapshot;\n this.title = this.dataSubject?.pipe(map(d => d[RouteTitleKey])) ?? of(undefined);\n // TODO(atscott): Verify that these can be changed to `.asObservable()` with TGP.\n this.url = urlSubject;\n this.params = paramsSubject;\n this.queryParams = queryParamsSubject;\n this.fragment = fragmentSubject;\n this.data = dataSubject;\n }\n /** The configuration used to match this route. */\n get routeConfig() {\n return this._futureSnapshot.routeConfig;\n }\n /** The root of the router state. */\n get root() {\n return this._routerState.root;\n }\n /** The parent of this route in the router state tree. */\n get parent() {\n return this._routerState.parent(this);\n }\n /** The first child of this route in the router state tree. */\n get firstChild() {\n return this._routerState.firstChild(this);\n }\n /** The children of this route in the router state tree. */\n get children() {\n return this._routerState.children(this);\n }\n /** The path from the root of the router state tree to this route. */\n get pathFromRoot() {\n return this._routerState.pathFromRoot(this);\n }\n /**\n * An Observable that contains a map of the required and optional parameters\n * specific to the route.\n * The map supports retrieving single and multiple values from the same parameter.\n */\n get paramMap() {\n this._paramMap ??= this.params.pipe(map(p => convertToParamMap(p)));\n return this._paramMap;\n }\n /**\n * An Observable that contains a map of the query parameters available to all routes.\n * The map supports retrieving single and multiple values from the query parameter.\n */\n get queryParamMap() {\n this._queryParamMap ??= this.queryParams.pipe(map(p => convertToParamMap(p)));\n return this._queryParamMap;\n }\n toString() {\n return this.snapshot ? this.snapshot.toString() : `Future(${this._futureSnapshot})`;\n }\n}\n/**\n * Returns the inherited params, data, and resolve for a given route.\n *\n * By default, we do not inherit parent data unless the current route is path-less or the parent\n * route is component-less.\n */\nfunction getInherited(route, parent, paramsInheritanceStrategy = 'emptyOnly') {\n let inherited;\n const {\n routeConfig\n } = route;\n if (parent !== null && (paramsInheritanceStrategy === 'always' ||\n // inherit parent data if route is empty path\n routeConfig?.path === '' ||\n // inherit parent data if parent was componentless\n !parent.component && !parent.routeConfig?.loadComponent)) {\n inherited = {\n params: {\n ...parent.params,\n ...route.params\n },\n data: {\n ...parent.data,\n ...route.data\n },\n resolve: {\n // Snapshots are created with data inherited from parent and guards (i.e. canActivate) can\n // change data because it's not frozen...\n // This first line could be deleted chose to break/disallow mutating the `data` object in\n // guards.\n // Note that data from parents still override this mutated data so anyone relying on this\n // might be surprised that it doesn't work if parent data is inherited but otherwise does.\n ...route.data,\n // Ensure inherited resolved data overrides inherited static data\n ...parent.data,\n // static data from the current route overrides any inherited data\n ...routeConfig?.data,\n // resolved data from current route overrides everything\n ...route._resolvedData\n }\n };\n } else {\n inherited = {\n params: {\n ...route.params\n },\n data: {\n ...route.data\n },\n resolve: {\n ...route.data,\n ...(route._resolvedData ?? {})\n }\n };\n }\n if (routeConfig && hasStaticTitle(routeConfig)) {\n inherited.resolve[RouteTitleKey] = routeConfig.title;\n }\n return inherited;\n}\n/**\n * @description\n *\n * Contains the information about a route associated with a component loaded in an\n * outlet at a particular moment in time. ActivatedRouteSnapshot can also be used to\n * traverse the router state tree.\n *\n * The following example initializes a component with route information extracted\n * from the snapshot of the root node at the time of creation.\n *\n * ```ts\n * @Component({templateUrl:'./my-component.html'})\n * class MyComponent {\n * constructor(route: ActivatedRoute) {\n * const id: string = route.snapshot.params.id;\n * const url: string = route.snapshot.url.join('');\n * const user = route.snapshot.data.user;\n * }\n * }\n * ```\n *\n * @publicApi\n */\nclass ActivatedRouteSnapshot {\n url;\n params;\n queryParams;\n fragment;\n data;\n outlet;\n component;\n /** The configuration used to match this route **/\n routeConfig;\n /** @internal */\n _resolve;\n /** @internal */\n _resolvedData;\n /** @internal */\n _routerState;\n /** @internal */\n _paramMap;\n /** @internal */\n _queryParamMap;\n /** The resolved route title */\n get title() {\n // Note: This _must_ be a getter because the data is mutated in the resolvers. Title will not be\n // available at the time of class instantiation.\n return this.data?.[RouteTitleKey];\n }\n /** @internal */\n constructor(/** The URL segments matched by this route */\n url,\n /**\n * The matrix parameters scoped to this route.\n *\n * You can compute all params (or data) in the router state or to get params outside\n * of an activated component by traversing the `RouterState` tree as in the following\n * example:\n * ```ts\n * collectRouteParams(router: Router) {\n * let params = {};\n * let stack: ActivatedRouteSnapshot[] = [router.routerState.snapshot.root];\n * while (stack.length > 0) {\n * const route = stack.pop()!;\n * params = {...params, ...route.params};\n * stack.push(...route.children);\n * }\n * return params;\n * }\n * ```\n */\n params, /** The query parameters shared by all the routes */\n queryParams, /** The URL fragment shared by all the routes */\n fragment, /** The static and resolved data of this route */\n data, /** The outlet name of the route */\n outlet, /** The component of the route */\n component, routeConfig, resolve) {\n this.url = url;\n this.params = params;\n this.queryParams = queryParams;\n this.fragment = fragment;\n this.data = data;\n this.outlet = outlet;\n this.component = component;\n this.routeConfig = routeConfig;\n this._resolve = resolve;\n }\n /** The root of the router state */\n get root() {\n return this._routerState.root;\n }\n /** The parent of this route in the router state tree */\n get parent() {\n return this._routerState.parent(this);\n }\n /** The first child of this route in the router state tree */\n get firstChild() {\n return this._routerState.firstChild(this);\n }\n /** The children of this route in the router state tree */\n get children() {\n return this._routerState.children(this);\n }\n /** The path from the root of the router state tree to this route */\n get pathFromRoot() {\n return this._routerState.pathFromRoot(this);\n }\n get paramMap() {\n this._paramMap ??= convertToParamMap(this.params);\n return this._paramMap;\n }\n get queryParamMap() {\n this._queryParamMap ??= convertToParamMap(this.queryParams);\n return this._queryParamMap;\n }\n toString() {\n const url = this.url.map(segment => segment.toString()).join('/');\n const matched = this.routeConfig ? this.routeConfig.path : '';\n return `Route(url:'${url}', path:'${matched}')`;\n }\n}\n/**\n * @description\n *\n * Represents the state of the router at a moment in time.\n *\n * This is a tree of activated route snapshots. Every node in this tree knows about\n * the \"consumed\" URL segments, the extracted parameters, and the resolved data.\n *\n * The following example shows how a component is initialized with information\n * from the snapshot of the root node's state at the time of creation.\n *\n * ```ts\n * @Component({templateUrl:'template.html'})\n * class MyComponent {\n * constructor(router: Router) {\n * const state: RouterState = router.routerState;\n * const snapshot: RouterStateSnapshot = state.snapshot;\n * const root: ActivatedRouteSnapshot = snapshot.root;\n * const child = root.firstChild;\n * const id: Observable<string> = child.params.map(p => p.id);\n * //...\n * }\n * }\n * ```\n *\n * @publicApi\n */\nclass RouterStateSnapshot extends Tree {\n url;\n /** @internal */\n constructor(/** The url from which this snapshot was created */\n url, root) {\n super(root);\n this.url = url;\n setRouterState(this, root);\n }\n toString() {\n return serializeNode(this._root);\n }\n}\nfunction setRouterState(state, node) {\n node.value._routerState = state;\n node.children.forEach(c => setRouterState(state, c));\n}\nfunction serializeNode(node) {\n const c = node.children.length > 0 ? ` { ${node.children.map(serializeNode).join(', ')} } ` : '';\n return `${node.value}${c}`;\n}\n/**\n * The expectation is that the activate route is created with the right set of parameters.\n * So we push new values into the observables only when they are not the initial values.\n * And we detect that by checking if the snapshot field is set.\n */\nfunction advanceActivatedRoute(route) {\n if (route.snapshot) {\n const currentSnapshot = route.snapshot;\n const nextSnapshot = route._futureSnapshot;\n route.snapshot = nextSnapshot;\n if (!shallowEqual(currentSnapshot.queryParams, nextSnapshot.queryParams)) {\n route.queryParamsSubject.next(nextSnapshot.queryParams);\n }\n if (currentSnapshot.fragment !== nextSnapshot.fragment) {\n route.fragmentSubject.next(nextSnapshot.fragment);\n }\n if (!shallowEqual(currentSnapshot.params, nextSnapshot.params)) {\n route.paramsSubject.next(nextSnapshot.params);\n }\n if (!shallowEqualArrays(currentSnapshot.url, nextSnapshot.url)) {\n route.urlSubject.next(nextSnapshot.url);\n }\n if (!shallowEqual(currentSnapshot.data, nextSnapshot.data)) {\n route.dataSubject.next(nextSnapshot.data);\n }\n } else {\n route.snapshot = route._futureSnapshot;\n // this is for resolved data\n route.dataSubject.next(route._futureSnapshot.data);\n }\n}\nfunction equalParamsAndUrlSegments(a, b) {\n const equalUrlParams = shallowEqual(a.params, b.params) && equalSegments(a.url, b.url);\n const parentsMismatch = !a.parent !== !b.parent;\n return equalUrlParams && !parentsMismatch && (!a.parent || equalParamsAndUrlSegments(a.parent, b.parent));\n}\nfunction hasStaticTitle(config) {\n return typeof config.title === 'string' || config.title === null;\n}\n\n/**\n * An `InjectionToken` provided by the `RouterOutlet` and can be set using the `routerOutletData`\n * input.\n *\n * When unset, this value is `null` by default.\n *\n * @usageNotes\n *\n * To set the data from the template of the component with `router-outlet`:\n * ```html\n * <router-outlet [routerOutletData]=\"{name: 'Angular'}\" />\n * ```\n *\n * To read the data in the routed component:\n * ```ts\n * data = inject(ROUTER_OUTLET_DATA) as Signal<{name: string}>;\n * ```\n *\n * @publicApi\n */\nconst ROUTER_OUTLET_DATA = /*#__PURE__*/new InjectionToken(ngDevMode ? 'RouterOutlet data' : '');\n/**\n * @description\n *\n * Acts as a placeholder that Angular dynamically fills based on the current router state.\n *\n * Each outlet can have a unique name, determined by the optional `name` attribute.\n * The name cannot be set or changed dynamically. If not set, default value is \"primary\".\n *\n * ```html\n * <router-outlet></router-outlet>\n * <router-outlet name='left'></router-outlet>\n * <router-outlet name='right'></router-outlet>\n * ```\n *\n * Named outlets can be the targets of secondary routes.\n * The `Route` object for a secondary route has an `outlet` property to identify the target outlet:\n *\n * `{path: <base-path>, component: <component>, outlet: <target_outlet_name>}`\n *\n * Using named outlets and secondary routes, you can target multiple outlets in\n * the same `RouterLink` directive.\n *\n * The router keeps track of separate branches in a navigation tree for each named outlet and\n * generates a representation of that tree in the URL.\n * The URL for a secondary route uses the following syntax to specify both the primary and secondary\n * routes at the same time:\n *\n * `http://base-path/primary-route-path(outlet-name:route-path)`\n *\n * A router outlet emits an activate event when a new component is instantiated,\n * deactivate event when a component is destroyed.\n * An attached event emits when the `RouteReuseStrategy` instructs the outlet to reattach the\n * subtree, and the detached event emits when the `RouteReuseStrategy` instructs the outlet to\n * detach the subtree.\n *\n * ```html\n * <router-outlet\n * (activate)='onActivate($event)'\n * (deactivate)='onDeactivate($event)'\n * (attach)='onAttach($event)'\n * (detach)='onDetach($event)'></router-outlet>\n * ```\n *\n * @see {@link RouterLink}\n * @see {@link Route}\n * @ngModule RouterModule\n *\n * @publicApi\n */\nlet RouterOutlet = /*#__PURE__*/(() => {\n class RouterOutlet {\n activated = null;\n /** @internal */\n get activatedComponentRef() {\n return this.activated;\n }\n _activatedRoute = null;\n /**\n * The name of the outlet\n *\n */\n name = PRIMARY_OUTLET;\n activateEvents = new EventEmitter();\n deactivateEvents = new EventEmitter();\n /**\n * Emits an attached component instance when the `RouteReuseStrategy` instructs to re-attach a\n * previously detached subtree.\n **/\n attachEvents = new EventEmitter();\n /**\n * Emits a detached component instance when the `RouteReuseStrategy` instructs to detach the\n * subtree.\n */\n detachEvents = new EventEmitter();\n /**\n * Data that will be provided to the child injector through the `ROUTER_OUTLET_DATA` token.\n *\n * When unset, the value of the token is `undefined` by default.\n */\n routerOutletData = input(undefined);\n parentContexts = inject(ChildrenOutletContexts);\n location = inject(ViewContainerRef);\n changeDetector = inject(ChangeDetectorRef);\n inputBinder = inject(INPUT_BINDER, {\n optional: true\n });\n /** @docs-private */\n supportsBindingToComponentInputs = true;\n /** @docs-private */\n ngOnChanges(changes) {\n if (changes['name']) {\n const {\n firstChange,\n previousValue\n } = changes['name'];\n if (firstChange) {\n // The first change is handled by ngOnInit. Because ngOnChanges doesn't get called when no\n // input is set at all, we need to centrally handle the first change there.\n return;\n }\n // unregister with the old name\n if (this.isTrackedInParentContexts(previousValue)) {\n this.deactivate();\n this.parentContexts.onChildOutletDestroyed(previousValue);\n }\n // register the new name\n this.initializeOutletWithName();\n }\n }\n /** @docs-private */\n ngOnDestroy() {\n // Ensure that the registered outlet is this one before removing it on the context.\n if (this.isTrackedInParentContexts(this.name)) {\n this.parentContexts.onChildOutletDestroyed(this.name);\n }\n this.inputBinder?.unsubscribeFromRouteData(this);\n }\n isTrackedInParentContexts(outletName) {\n return this.parentContexts.getContext(outletName)?.outlet === this;\n }\n /** @docs-private */\n ngOnInit() {\n this.initializeOutletWithName();\n }\n initializeOutletWithName() {\n this.parentContexts.onChildOutletCreated(this.name, this);\n if (this.activated) {\n return;\n }\n // If the outlet was not instantiated at the time the route got activated we need to populate\n // the outlet when it is initialized (ie inside a NgIf)\n const context = this.parentContexts.getContext(this.name);\n if (context?.route) {\n if (context.attachRef) {\n // `attachRef` is populated when there is an existing component to mount\n this.attach(context.attachRef, context.route);\n } else {\n // otherwise the component defined in the configuration is created\n this.activateWith(context.route, context.injector);\n }\n }\n }\n get isActivated() {\n return !!this.activated;\n }\n /**\n * @returns The currently activated component instance.\n * @throws An error if the outlet is not activated.\n */\n get component() {\n if (!this.activated) throw new _RuntimeError(4012 /* RuntimeErrorCode.OUTLET_NOT_ACTIVATED */, (typeof ngDevMode === 'undefined' || ngDevMode) && 'Outlet is not activated');\n return this.activated.instance;\n }\n get activatedRoute() {\n if (!this.activated) throw new _RuntimeError(4012 /* RuntimeErrorCode.OUTLET_NOT_ACTIVATED */, (typeof ngDevMode === 'undefined' || ngDevMode) && 'Outlet is not activated');\n return this._activatedRoute;\n }\n get activatedRouteData() {\n if (this._activatedRoute) {\n return this._activatedRoute.snapshot.data;\n }\n return {};\n }\n /**\n * Called when the `RouteReuseStrategy` instructs to detach the subtree\n */\n detach() {\n if (!this.activated) throw new _RuntimeError(4012 /* RuntimeErrorCode.OUTLET_NOT_ACTIVATED */, (typeof ngDevMode === 'undefined' || ngDevMode) && 'Outlet is not activated');\n this.location.detach();\n const cmp = this.activated;\n this.activated = null;\n this._activatedRoute = null;\n this.detachEvents.emit(cmp.instance);\n return cmp;\n }\n /**\n * Called when the `RouteReuseStrategy` instructs to re-attach a previously detached subtree\n */\n attach(ref, activatedRoute) {\n this.activated = ref;\n this._activatedRoute = activatedRoute;\n this.location.insert(ref.hostView);\n this.inputBinder?.bindActivatedRouteToOutletComponent(this);\n this.attachEvents.emit(ref.instance);\n }\n deactivate() {\n if (this.activated) {\n const c = this.component;\n this.activated.destroy();\n this.activated = null;\n this._activatedRoute = null;\n this.deactivateEvents.emit(c);\n }\n }\n activateWith(activatedRoute, environmentInjector) {\n if (this.isActivated) {\n throw new _RuntimeError(4013 /* RuntimeErrorCode.OUTLET_ALREADY_ACTIVATED */, (typeof ngDevMode === 'undefined' || ngDevMode) && 'Cannot activate an already activated outlet');\n }\n this._activatedRoute = activatedRoute;\n const location = this.location;\n const snapshot = activatedRoute.snapshot;\n const component = snapshot.component;\n const childContexts = this.parentContexts.getOrCreateContext(this.name).children;\n const injector = new OutletInjector(activatedRoute, childContexts, location.injector, this.routerOutletData);\n this.activated = location.createComponent(component, {\n index: location.length,\n injector,\n environmentInjector: environmentInjector\n });\n // Calling `markForCheck` to make sure we will run the change detection when the\n // `RouterOutlet` is inside a `ChangeDetectionStrategy.OnPush` component.\n this.changeDetector.markForCheck();\n this.inputBinder?.bindActivatedRouteToOutletComponent(this);\n this.activateEvents.emit(this.activated.instance);\n }\n static ɵfac = function RouterOutlet_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || RouterOutlet)();\n };\n static ɵdir = /* @__PURE__ */i0.ɵɵdefineDirective({\n type: RouterOutlet,\n selectors: [[\"router-outlet\"]],\n inputs: {\n name: \"name\",\n routerOutletData: [1, \"routerOutletData\"]\n },\n outputs: {\n activateEvents: \"activate\",\n deactivateEvents: \"deactivate\",\n attachEvents: \"attach\",\n detachEvents: \"detach\"\n },\n exportAs: [\"outlet\"],\n features: [i0.ɵɵNgOnChangesFeature]\n });\n }\n return RouterOutlet;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nclass OutletInjector {\n route;\n childContexts;\n parent;\n outletData;\n constructor(route, childContexts, parent, outletData) {\n this.route = route;\n this.childContexts = childContexts;\n this.parent = parent;\n this.outletData = outletData;\n }\n get(token, notFoundValue) {\n if (token === ActivatedRoute) {\n return this.route;\n }\n if (token === ChildrenOutletContexts) {\n return this.childContexts;\n }\n if (token === ROUTER_OUTLET_DATA) {\n return this.outletData;\n }\n return this.parent.get(token, notFoundValue);\n }\n}\nconst INPUT_BINDER = /*#__PURE__*/new InjectionToken('');\n/**\n * Injectable used as a tree-shakable provider for opting in to binding router data to component\n * inputs.\n *\n * The RouterOutlet registers itself with this service when an `ActivatedRoute` is attached or\n * activated. When this happens, the service subscribes to the `ActivatedRoute` observables (params,\n * queryParams, data) and sets the inputs of the component using `ComponentRef.setInput`.\n * Importantly, when an input does not have an item in the route data with a matching key, this\n * input is set to `undefined`. If it were not done this way, the previous information would be\n * retained if the data got removed from the route (i.e. if a query parameter is removed).\n *\n * The `RouterOutlet` should unregister itself when destroyed via `unsubscribeFromRouteData` so that\n * the subscriptions are cleaned up.\n */\nlet RoutedComponentInputBinder = /*#__PURE__*/(() => {\n class RoutedComponentInputBinder {\n outletDataSubscriptions = new Map();\n bindActivatedRouteToOutletComponent(outlet) {\n this.unsubscribeFromRouteData(outlet);\n this.subscribeToRouteData(outlet);\n }\n unsubscribeFromRouteData(outlet) {\n this.outletDataSubscriptions.get(outlet)?.unsubscribe();\n this.outletDataSubscriptions.delete(outlet);\n }\n subscribeToRouteData(outlet) {\n const {\n activatedRoute\n } = outlet;\n const dataSubscription = combineLatest([activatedRoute.queryParams, activatedRoute.params, activatedRoute.data]).pipe(switchMap(([queryParams, params, data], index) => {\n data = {\n ...queryParams,\n ...params,\n ...data\n };\n // Get the first result from the data subscription synchronously so it's available to\n // the component as soon as possible (and doesn't require a second change detection).\n if (index === 0) {\n return of(data);\n }\n // Promise.resolve is used to avoid synchronously writing the wrong data when\n // two of the Observables in the `combineLatest` stream emit one after\n // another.\n return Promise.resolve(data);\n })).subscribe(data => {\n // Outlet may have been deactivated or changed names to be associated with a different\n // route\n if (!outlet.isActivated || !outlet.activatedComponentRef || outlet.activatedRoute !== activatedRoute || activatedRoute.component === null) {\n this.unsubscribeFromRouteData(outlet);\n return;\n }\n const mirror = reflectComponentType(activatedRoute.component);\n if (!mirror) {\n this.unsubscribeFromRouteData(outlet);\n return;\n }\n for (const {\n templateName\n } of mirror.inputs) {\n outlet.activatedComponentRef.setInput(templateName, data[templateName]);\n }\n });\n this.outletDataSubscriptions.set(outlet, dataSubscription);\n }\n static ɵfac = function RoutedComponentInputBinder_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || RoutedComponentInputBinder)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: RoutedComponentInputBinder,\n factory: RoutedComponentInputBinder.ɵfac\n });\n }\n return RoutedComponentInputBinder;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n\n/**\n * This component is used internally within the router to be a placeholder when an empty\n * router-outlet is needed. For example, with a config such as:\n *\n * `{path: 'parent', outlet: 'nav', children: [...]}`\n *\n * In order to render, there needs to be a component on this config, which will default\n * to this `EmptyOutletComponent`.\n */\nlet ɵEmptyOutletComponent = /*#__PURE__*/(() => {\n class ɵEmptyOutletComponent {\n static ɵfac = function ɵEmptyOutletComponent_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || ɵEmptyOutletComponent)();\n };\n static ɵcmp = /* @__PURE__ */i0.ɵɵdefineComponent({\n type: ɵEmptyOutletComponent,\n selectors: [[\"ng-component\"]],\n exportAs: [\"emptyRouterOutlet\"],\n decls: 1,\n vars: 0,\n template: function _EmptyOutletComponent_Template(rf, ctx) {\n if (rf & 1) {\n i0.ɵɵelement(0, \"router-outlet\");\n }\n },\n dependencies: [RouterOutlet],\n encapsulation: 2\n });\n }\n return ɵEmptyOutletComponent;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n/**\n * Makes a copy of the config and adds any default required properties.\n */\nfunction standardizeConfig(r) {\n const children = r.children && r.children.map(standardizeConfig);\n const c = children ? {\n ...r,\n children\n } : {\n ...r\n };\n if (!c.component && !c.loadComponent && (children || c.loadChildren) && c.outlet && c.outlet !== PRIMARY_OUTLET) {\n c.component = ɵEmptyOutletComponent;\n }\n return c;\n}\nfunction createRouterState(routeReuseStrategy, curr, prevState) {\n const root = createNode(routeReuseStrategy, curr._root, prevState ? prevState._root : undefined);\n return new RouterState(root, curr);\n}\nfunction createNode(routeReuseStrategy, curr, prevState) {\n // reuse an activated route that is currently displayed on the screen\n if (prevState && routeReuseStrategy.shouldReuseRoute(curr.value, prevState.value.snapshot)) {\n const value = prevState.value;\n value._futureSnapshot = curr.value;\n const children = createOrReuseChildren(routeReuseStrategy, curr, prevState);\n return new TreeNode(value, children);\n } else {\n if (routeReuseStrategy.shouldAttach(curr.value)) {\n // retrieve an activated route that is used to be displayed, but is not currently displayed\n const detachedRouteHandle = routeReuseStrategy.retrieve(curr.value);\n if (detachedRouteHandle !== null) {\n const tree = detachedRouteHandle.route;\n tree.value._futureSnapshot = curr.value;\n tree.children = curr.children.map(c => createNode(routeReuseStrategy, c));\n return tree;\n }\n }\n const value = createActivatedRoute(curr.value);\n const children = curr.children.map(c => createNode(routeReuseStrategy, c));\n return new TreeNode(value, children);\n }\n}\nfunction createOrReuseChildren(routeReuseStrategy, curr, prevState) {\n return curr.children.map(child => {\n for (const p of prevState.children) {\n if (routeReuseStrategy.shouldReuseRoute(child.value, p.value.snapshot)) {\n return createNode(routeReuseStrategy, child, p);\n }\n }\n return createNode(routeReuseStrategy, child);\n });\n}\nfunction createActivatedRoute(c) {\n return new ActivatedRoute(new BehaviorSubject(c.url), new BehaviorSubject(c.params), new BehaviorSubject(c.queryParams), new BehaviorSubject(c.fragment), new BehaviorSubject(c.data), c.outlet, c.component, c);\n}\n\n/**\n * Can be returned by a `Router` guard to instruct the `Router` to redirect rather than continue\n * processing the path of the in-flight navigation. The `redirectTo` indicates _where_ the new\n * navigation should go to and the optional `navigationBehaviorOptions` can provide more information\n * about _how_ to perform the navigation.\n *\n * ```ts\n * const route: Route = {\n * path: \"user/:userId\",\n * component: User,\n * canActivate: [\n * () => {\n * const router = inject(Router);\n * const authService = inject(AuthenticationService);\n *\n * if (!authService.isLoggedIn()) {\n * const loginPath = router.parseUrl(\"/login\");\n * return new RedirectCommand(loginPath, {\n * skipLocationChange: \"true\",\n * });\n * }\n *\n * return true;\n * },\n * ],\n * };\n * ```\n * @see [Routing guide](guide/routing/common-router-tasks#preventing-unauthorized-access)\n *\n * @publicApi\n */\nclass RedirectCommand {\n redirectTo;\n navigationBehaviorOptions;\n constructor(redirectTo, navigationBehaviorOptions) {\n this.redirectTo = redirectTo;\n this.navigationBehaviorOptions = navigationBehaviorOptions;\n }\n}\nconst NAVIGATION_CANCELING_ERROR = 'ngNavigationCancelingError';\nfunction redirectingNavigationError(urlSerializer, redirect) {\n const {\n redirectTo,\n navigationBehaviorOptions\n } = isUrlTree(redirect) ? {\n redirectTo: redirect,\n navigationBehaviorOptions: undefined\n } : redirect;\n const error = navigationCancelingError(ngDevMode && `Redirecting to \"${urlSerializer.serialize(redirectTo)}\"`, NavigationCancellationCode.Redirect);\n error.url = redirectTo;\n error.navigationBehaviorOptions = navigationBehaviorOptions;\n return error;\n}\nfunction navigationCancelingError(message, code) {\n const error = new Error(`NavigationCancelingError: ${message || ''}`);\n error[NAVIGATION_CANCELING_ERROR] = true;\n error.cancellationCode = code;\n return error;\n}\nfunction isRedirectingNavigationCancelingError(error) {\n return isNavigationCancelingError(error) && isUrlTree(error.url);\n}\nfunction isNavigationCancelingError(error) {\n return !!error && error[NAVIGATION_CANCELING_ERROR];\n}\nlet warnedAboutUnsupportedInputBinding = false;\nconst activateRoutes = (rootContexts, routeReuseStrategy, forwardEvent, inputBindingEnabled) => map(t => {\n new ActivateRoutes(routeReuseStrategy, t.targetRouterState, t.currentRouterState, forwardEvent, inputBindingEnabled).activate(rootContexts);\n return t;\n});\nclass ActivateRoutes {\n routeReuseStrategy;\n futureState;\n currState;\n forwardEvent;\n inputBindingEnabled;\n constructor(routeReuseStrategy, futureState, currState, forwardEvent, inputBindingEnabled) {\n this.routeReuseStrategy = routeReuseStrategy;\n this.futureState = futureState;\n this.currState = currState;\n this.forwardEvent = forwardEvent;\n this.inputBindingEnabled = inputBindingEnabled;\n }\n activate(parentContexts) {\n const futureRoot = this.futureState._root;\n const currRoot = this.currState ? this.currState._root : null;\n this.deactivateChildRoutes(futureRoot, currRoot, parentContexts);\n advanceActivatedRoute(this.futureState.root);\n this.activateChildRoutes(futureRoot, currRoot, parentContexts);\n }\n // De-activate the child route that are not re-used for the future state\n deactivateChildRoutes(futureNode, currNode, contexts) {\n const children = nodeChildrenAsMap(currNode);\n // Recurse on the routes active in the future state to de-activate deeper children\n futureNode.children.forEach(futureChild => {\n const childOutletName = futureChild.value.outlet;\n this.deactivateRoutes(futureChild, children[childOutletName], contexts);\n delete children[childOutletName];\n });\n // De-activate the routes that will not be re-used\n Object.values(children).forEach(v => {\n this.deactivateRouteAndItsChildren(v, contexts);\n });\n }\n deactivateRoutes(futureNode, currNode, parentContext) {\n const future = futureNode.value;\n const curr = currNode ? currNode.value : null;\n if (future === curr) {\n // Reusing the node, check to see if the children need to be de-activated\n if (future.component) {\n // If we have a normal route, we need to go through an outlet.\n const context = parentContext.getContext(future.outlet);\n if (context) {\n this.deactivateChildRoutes(futureNode, currNode, context.children);\n }\n } else {\n // if we have a componentless route, we recurse but keep the same outlet map.\n this.deactivateChildRoutes(futureNode, currNode, parentContext);\n }\n } else {\n if (curr) {\n // Deactivate the current route which will not be re-used\n this.deactivateRouteAndItsChildren(currNode, parentContext);\n }\n }\n }\n deactivateRouteAndItsChildren(route, parentContexts) {\n // If there is no component, the Route is never attached to an outlet (because there is no\n // component to attach).\n if (route.value.component && this.routeReuseStrategy.shouldDetach(route.value.snapshot)) {\n this.detachAndStoreRouteSubtree(route, parentContexts);\n } else {\n this.deactivateRouteAndOutlet(route, parentContexts);\n }\n }\n detachAndStoreRouteSubtree(route, parentContexts) {\n const context = parentContexts.getContext(route.value.outlet);\n const contexts = context && route.value.component ? context.children : parentContexts;\n const children = nodeChildrenAsMap(route);\n for (const treeNode of Object.values(children)) {\n this.deactivateRouteAndItsChildren(treeNode, contexts);\n }\n if (context && context.outlet) {\n const componentRef = context.outlet.detach();\n const contexts = context.children.onOutletDeactivated();\n this.routeReuseStrategy.store(route.value.snapshot, {\n componentRef,\n route,\n contexts\n });\n }\n }\n deactivateRouteAndOutlet(route, parentContexts) {\n const context = parentContexts.getContext(route.value.outlet);\n // The context could be `null` if we are on a componentless route but there may still be\n // children that need deactivating.\n const contexts = context && route.value.component ? context.children : parentContexts;\n const children = nodeChildrenAsMap(route);\n for (const treeNode of Object.values(children)) {\n this.deactivateRouteAndItsChildren(treeNode, contexts);\n }\n if (context) {\n if (context.outlet) {\n // Destroy the component\n context.outlet.deactivate();\n // Destroy the contexts for all the outlets that were in the component\n context.children.onOutletDeactivated();\n }\n // Clear the information about the attached component on the context but keep the reference to\n // the outlet. Clear even if outlet was not yet activated to avoid activating later with old\n // info\n context.attachRef = null;\n context.route = null;\n }\n }\n activateChildRoutes(futureNode, currNode, contexts) {\n const children = nodeChildrenAsMap(currNode);\n futureNode.children.forEach(c => {\n this.activateRoutes(c, children[c.value.outlet], contexts);\n this.forwardEvent(new ActivationEnd(c.value.snapshot));\n });\n if (futureNode.children.length) {\n this.forwardEvent(new ChildActivationEnd(futureNode.value.snapshot));\n }\n }\n activateRoutes(futureNode, currNode, parentContexts) {\n const future = futureNode.value;\n const curr = currNode ? currNode.value : null;\n advanceActivatedRoute(future);\n // reusing the node\n if (future === curr) {\n if (future.component) {\n // If we have a normal route, we need to go through an outlet.\n const context = parentContexts.getOrCreateContext(future.outlet);\n this.activateChildRoutes(futureNode, currNode, context.children);\n } else {\n // if we have a componentless route, we recurse but keep the same outlet map.\n this.activateChildRoutes(futureNode, currNode, parentContexts);\n }\n } else {\n if (future.component) {\n // if we have a normal route, we need to place the component into the outlet and recurse.\n const context = parentContexts.getOrCreateContext(future.outlet);\n if (this.routeReuseStrategy.shouldAttach(future.snapshot)) {\n const stored = this.routeReuseStrategy.retrieve(future.snapshot);\n this.routeReuseStrategy.store(future.snapshot, null);\n context.children.onOutletReAttached(stored.contexts);\n context.attachRef = stored.componentRef;\n context.route = stored.route.value;\n if (context.outlet) {\n // Attach right away when the outlet has already been instantiated\n // Otherwise attach from `RouterOutlet.ngOnInit` when it is instantiated\n context.outlet.attach(stored.componentRef, stored.route.value);\n }\n advanceActivatedRoute(stored.route.value);\n this.activateChildRoutes(futureNode, null, context.children);\n } else {\n context.attachRef = null;\n context.route = future;\n if (context.outlet) {\n // Activate the outlet when it has already been instantiated\n // Otherwise it will get activated from its `ngOnInit` when instantiated\n context.outlet.activateWith(future, context.injector);\n }\n this.activateChildRoutes(futureNode, null, context.children);\n }\n } else {\n // if we have a componentless route, we recurse but keep the same outlet map.\n this.activateChildRoutes(futureNode, null, parentContexts);\n }\n }\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n const context = parentContexts.getOrCreateContext(future.outlet);\n const outlet = context.outlet;\n if (outlet && this.inputBindingEnabled && !outlet.supportsBindingToComponentInputs && !warnedAboutUnsupportedInputBinding) {\n console.warn(`'withComponentInputBinding' feature is enabled but ` + `this application is using an outlet that may not support binding to component inputs.`);\n warnedAboutUnsupportedInputBinding = true;\n }\n }\n }\n}\nclass CanActivate {\n path;\n route;\n constructor(path) {\n this.path = path;\n this.route = this.path[this.path.length - 1];\n }\n}\nclass CanDeactivate {\n component;\n route;\n constructor(component, route) {\n this.component = component;\n this.route = route;\n }\n}\nfunction getAllRouteGuards(future, curr, parentContexts) {\n const futureRoot = future._root;\n const currRoot = curr ? curr._root : null;\n return getChildRouteGuards(futureRoot, currRoot, parentContexts, [futureRoot.value]);\n}\nfunction getCanActivateChild(p) {\n const canActivateChild = p.routeConfig ? p.routeConfig.canActivateChild : null;\n if (!canActivateChild || canActivateChild.length === 0) return null;\n return {\n node: p,\n guards: canActivateChild\n };\n}\nfunction getTokenOrFunctionIdentity(tokenOrFunction, injector) {\n const NOT_FOUND = Symbol();\n const result = injector.get(tokenOrFunction, NOT_FOUND);\n if (result === NOT_FOUND) {\n if (typeof tokenOrFunction === 'function' && !_isInjectable(tokenOrFunction)) {\n // We think the token is just a function so return it as-is\n return tokenOrFunction;\n } else {\n // This will throw the not found error\n return injector.get(tokenOrFunction);\n }\n }\n return result;\n}\nfunction getChildRouteGuards(futureNode, currNode, contexts, futurePath, checks = {\n canDeactivateChecks: [],\n canActivateChecks: []\n}) {\n const prevChildren = nodeChildrenAsMap(currNode);\n // Process the children of the future route\n futureNode.children.forEach(c => {\n getRouteGuards(c, prevChildren[c.value.outlet], contexts, futurePath.concat([c.value]), checks);\n delete prevChildren[c.value.outlet];\n });\n // Process any children left from the current route (not active for the future route)\n Object.entries(prevChildren).forEach(([k, v]) => deactivateRouteAndItsChildren(v, contexts.getContext(k), checks));\n return checks;\n}\nfunction getRouteGuards(futureNode, currNode, parentContexts, futurePath, checks = {\n canDeactivateChecks: [],\n canActivateChecks: []\n}) {\n const future = futureNode.value;\n const curr = currNode ? currNode.value : null;\n const context = parentContexts ? parentContexts.getContext(futureNode.value.outlet) : null;\n // reusing the node\n if (curr && future.routeConfig === curr.routeConfig) {\n const shouldRun = shouldRunGuardsAndResolvers(curr, future, future.routeConfig.runGuardsAndResolvers);\n if (shouldRun) {\n checks.canActivateChecks.push(new CanActivate(futurePath));\n } else {\n // we need to set the data\n future.data = curr.data;\n future._resolvedData = curr._resolvedData;\n }\n // If we have a component, we need to go through an outlet.\n if (future.component) {\n getChildRouteGuards(futureNode, currNode, context ? context.children : null, futurePath, checks);\n // if we have a componentless route, we recurse but keep the same outlet map.\n } else {\n getChildRouteGuards(futureNode, currNode, parentContexts, futurePath, checks);\n }\n if (shouldRun && context && context.outlet && context.outlet.isActivated) {\n checks.canDeactivateChecks.push(new CanDeactivate(context.outlet.component, curr));\n }\n } else {\n if (curr) {\n deactivateRouteAndItsChildren(currNode, context, checks);\n }\n checks.canActivateChecks.push(new CanActivate(futurePath));\n // If we have a component, we need to go through an outlet.\n if (future.component) {\n getChildRouteGuards(futureNode, null, context ? context.children : null, futurePath, checks);\n // if we have a componentless route, we recurse but keep the same outlet map.\n } else {\n getChildRouteGuards(futureNode, null, parentContexts, futurePath, checks);\n }\n }\n return checks;\n}\nfunction shouldRunGuardsAndResolvers(curr, future, mode) {\n if (typeof mode === 'function') {\n return mode(curr, future);\n }\n switch (mode) {\n case 'pathParamsChange':\n return !equalPath(curr.url, future.url);\n case 'pathParamsOrQueryParamsChange':\n return !equalPath(curr.url, future.url) || !shallowEqual(curr.queryParams, future.queryParams);\n case 'always':\n return true;\n case 'paramsOrQueryParamsChange':\n return !equalParamsAndUrlSegments(curr, future) || !shallowEqual(curr.queryParams, future.queryParams);\n case 'paramsChange':\n default:\n return !equalParamsAndUrlSegments(curr, future);\n }\n}\nfunction deactivateRouteAndItsChildren(route, context, checks) {\n const children = nodeChildrenAsMap(route);\n const r = route.value;\n Object.entries(children).forEach(([childName, node]) => {\n if (!r.component) {\n deactivateRouteAndItsChildren(node, context, checks);\n } else if (context) {\n deactivateRouteAndItsChildren(node, context.children.getContext(childName), checks);\n } else {\n deactivateRouteAndItsChildren(node, null, checks);\n }\n });\n if (!r.component) {\n checks.canDeactivateChecks.push(new CanDeactivate(null, r));\n } else if (context && context.outlet && context.outlet.isActivated) {\n checks.canDeactivateChecks.push(new CanDeactivate(context.outlet.component, r));\n } else {\n checks.canDeactivateChecks.push(new CanDeactivate(null, r));\n }\n}\n\n/**\n * Simple function check, but generic so type inference will flow. Example:\n *\n * function product(a: number, b: number) {\n * return a * b;\n * }\n *\n * if (isFunction<product>(fn)) {\n * return fn(1, 2);\n * } else {\n * throw \"Must provide the `product` function\";\n * }\n */\nfunction isFunction(v) {\n return typeof v === 'function';\n}\nfunction isBoolean(v) {\n return typeof v === 'boolean';\n}\nfunction isCanLoad(guard) {\n return guard && isFunction(guard.canLoad);\n}\nfunction isCanActivate(guard) {\n return guard && isFunction(guard.canActivate);\n}\nfunction isCanActivateChild(guard) {\n return guard && isFunction(guard.canActivateChild);\n}\nfunction isCanDeactivate(guard) {\n return guard && isFunction(guard.canDeactivate);\n}\nfunction isCanMatch(guard) {\n return guard && isFunction(guard.canMatch);\n}\nfunction isEmptyError(e) {\n return e instanceof EmptyError || e?.name === 'EmptyError';\n}\nconst INITIAL_VALUE = /* @__PURE__ */Symbol('INITIAL_VALUE');\nfunction prioritizedGuardValue() {\n return switchMap(obs => {\n return combineLatest(obs.map(o => o.pipe(take(1), startWith(INITIAL_VALUE)))).pipe(map(results => {\n for (const result of results) {\n if (result === true) {\n // If result is true, check the next one\n continue;\n } else if (result === INITIAL_VALUE) {\n // If guard has not finished, we need to stop processing.\n return INITIAL_VALUE;\n } else if (result === false || isRedirect(result)) {\n // Result finished and was not true. Return the result.\n // Note that we only allow false/UrlTree/RedirectCommand. Other values are considered invalid and\n // ignored.\n return result;\n }\n }\n // Everything resolved to true. Return true.\n return true;\n }), filter(item => item !== INITIAL_VALUE), take(1));\n });\n}\nfunction isRedirect(val) {\n return isUrlTree(val) || val instanceof RedirectCommand;\n}\nfunction checkGuards(injector, forwardEvent) {\n return mergeMap(t => {\n const {\n targetSnapshot,\n currentSnapshot,\n guards: {\n canActivateChecks,\n canDeactivateChecks\n }\n } = t;\n if (canDeactivateChecks.length === 0 && canActivateChecks.length === 0) {\n return of({\n ...t,\n guardsResult: true\n });\n }\n return runCanDeactivateChecks(canDeactivateChecks, targetSnapshot, currentSnapshot, injector).pipe(mergeMap(canDeactivate => {\n return canDeactivate && isBoolean(canDeactivate) ? runCanActivateChecks(targetSnapshot, canActivateChecks, injector, forwardEvent) : of(canDeactivate);\n }), map(guardsResult => ({\n ...t,\n guardsResult\n })));\n });\n}\nfunction runCanDeactivateChecks(checks, futureRSS, currRSS, injector) {\n return from(checks).pipe(mergeMap(check => runCanDeactivate(check.component, check.route, currRSS, futureRSS, injector)), first(result => {\n return result !== true;\n }, true));\n}\nfunction runCanActivateChecks(futureSnapshot, checks, injector, forwardEvent) {\n return from(checks).pipe(concatMap(check => {\n return concat(fireChildActivationStart(check.route.parent, forwardEvent), fireActivationStart(check.route, forwardEvent), runCanActivateChild(futureSnapshot, check.path, injector), runCanActivate(futureSnapshot, check.route, injector));\n }), first(result => {\n return result !== true;\n }, true));\n}\n/**\n * This should fire off `ActivationStart` events for each route being activated at this\n * level.\n * In other words, if you're activating `a` and `b` below, `path` will contain the\n * `ActivatedRouteSnapshot`s for both and we will fire `ActivationStart` for both. Always\n * return\n * `true` so checks continue to run.\n */\nfunction fireActivationStart(snapshot, forwardEvent) {\n if (snapshot !== null && forwardEvent) {\n forwardEvent(new ActivationStart(snapshot));\n }\n return of(true);\n}\n/**\n * This should fire off `ChildActivationStart` events for each route being activated at this\n * level.\n * In other words, if you're activating `a` and `b` below, `path` will contain the\n * `ActivatedRouteSnapshot`s for both and we will fire `ChildActivationStart` for both. Always\n * return\n * `true` so checks continue to run.\n */\nfunction fireChildActivationStart(snapshot, forwardEvent) {\n if (snapshot !== null && forwardEvent) {\n forwardEvent(new ChildActivationStart(snapshot));\n }\n return of(true);\n}\nfunction runCanActivate(futureRSS, futureARS, injector) {\n const canActivate = futureARS.routeConfig ? futureARS.routeConfig.canActivate : null;\n if (!canActivate || canActivate.length === 0) return of(true);\n const canActivateObservables = canActivate.map(canActivate => {\n return defer(() => {\n const closestInjector = getClosestRouteInjector(futureARS) ?? injector;\n const guard = getTokenOrFunctionIdentity(canActivate, closestInjector);\n const guardVal = isCanActivate(guard) ? guard.canActivate(futureARS, futureRSS) : runInInjectionContext(closestInjector, () => guard(futureARS, futureRSS));\n return wrapIntoObservable(guardVal).pipe(first());\n });\n });\n return of(canActivateObservables).pipe(prioritizedGuardValue());\n}\nfunction runCanActivateChild(futureRSS, path, injector) {\n const futureARS = path[path.length - 1];\n const canActivateChildGuards = path.slice(0, path.length - 1).reverse().map(p => getCanActivateChild(p)).filter(_ => _ !== null);\n const canActivateChildGuardsMapped = canActivateChildGuards.map(d => {\n return defer(() => {\n const guardsMapped = d.guards.map(canActivateChild => {\n const closestInjector = getClosestRouteInjector(d.node) ?? injector;\n const guard = getTokenOrFunctionIdentity(canActivateChild, closestInjector);\n const guardVal = isCanActivateChild(guard) ? guard.canActivateChild(futureARS, futureRSS) : runInInjectionContext(closestInjector, () => guard(futureARS, futureRSS));\n return wrapIntoObservable(guardVal).pipe(first());\n });\n return of(guardsMapped).pipe(prioritizedGuardValue());\n });\n });\n return of(canActivateChildGuardsMapped).pipe(prioritizedGuardValue());\n}\nfunction runCanDeactivate(component, currARS, currRSS, futureRSS, injector) {\n const canDeactivate = currARS && currARS.routeConfig ? currARS.routeConfig.canDeactivate : null;\n if (!canDeactivate || canDeactivate.length === 0) return of(true);\n const canDeactivateObservables = canDeactivate.map(c => {\n const closestInjector = getClosestRouteInjector(currARS) ?? injector;\n const guard = getTokenOrFunctionIdentity(c, closestInjector);\n const guardVal = isCanDeactivate(guard) ? guard.canDeactivate(component, currARS, currRSS, futureRSS) : runInInjectionContext(closestInjector, () => guard(component, currARS, currRSS, futureRSS));\n return wrapIntoObservable(guardVal).pipe(first());\n });\n return of(canDeactivateObservables).pipe(prioritizedGuardValue());\n}\nfunction runCanLoadGuards(injector, route, segments, urlSerializer) {\n const canLoad = route.canLoad;\n if (canLoad === undefined || canLoad.length === 0) {\n return of(true);\n }\n const canLoadObservables = canLoad.map(injectionToken => {\n const guard = getTokenOrFunctionIdentity(injectionToken, injector);\n const guardVal = isCanLoad(guard) ? guard.canLoad(route, segments) : runInInjectionContext(injector, () => guard(route, segments));\n return wrapIntoObservable(guardVal);\n });\n return of(canLoadObservables).pipe(prioritizedGuardValue(), redirectIfUrlTree(urlSerializer));\n}\nfunction redirectIfUrlTree(urlSerializer) {\n return pipe(tap(result => {\n if (typeof result === 'boolean') return;\n throw redirectingNavigationError(urlSerializer, result);\n }), map(result => result === true));\n}\nfunction runCanMatchGuards(injector, route, segments, urlSerializer) {\n const canMatch = route.canMatch;\n if (!canMatch || canMatch.length === 0) return of(true);\n const canMatchObservables = canMatch.map(injectionToken => {\n const guard = getTokenOrFunctionIdentity(injectionToken, injector);\n const guardVal = isCanMatch(guard) ? guard.canMatch(route, segments) : runInInjectionContext(injector, () => guard(route, segments));\n return wrapIntoObservable(guardVal);\n });\n return of(canMatchObservables).pipe(prioritizedGuardValue(), redirectIfUrlTree(urlSerializer));\n}\nclass NoMatch {\n segmentGroup;\n constructor(segmentGroup) {\n this.segmentGroup = segmentGroup || null;\n }\n}\nclass AbsoluteRedirect extends Error {\n urlTree;\n constructor(urlTree) {\n super();\n this.urlTree = urlTree;\n }\n}\nfunction noMatch$1(segmentGroup) {\n return throwError(new NoMatch(segmentGroup));\n}\nfunction namedOutletsRedirect(redirectTo) {\n return throwError(new _RuntimeError(4000 /* RuntimeErrorCode.NAMED_OUTLET_REDIRECT */, (typeof ngDevMode === 'undefined' || ngDevMode) && `Only absolute redirects can have named outlets. redirectTo: '${redirectTo}'`));\n}\nfunction canLoadFails(route) {\n return throwError(navigationCancelingError((typeof ngDevMode === 'undefined' || ngDevMode) && `Cannot load children because the guard of the route \"path: '${route.path}'\" returned false`, NavigationCancellationCode.GuardRejected));\n}\nclass ApplyRedirects {\n urlSerializer;\n urlTree;\n constructor(urlSerializer, urlTree) {\n this.urlSerializer = urlSerializer;\n this.urlTree = urlTree;\n }\n lineralizeSegments(route, urlTree) {\n let res = [];\n let c = urlTree.root;\n while (true) {\n res = res.concat(c.segments);\n if (c.numberOfChildren === 0) {\n return of(res);\n }\n if (c.numberOfChildren > 1 || !c.children[PRIMARY_OUTLET]) {\n return namedOutletsRedirect(`${route.redirectTo}`);\n }\n c = c.children[PRIMARY_OUTLET];\n }\n }\n applyRedirectCommands(segments, redirectTo, posParams, currentSnapshot, injector) {\n if (typeof redirectTo !== 'string') {\n const redirectToFn = redirectTo;\n const {\n queryParams,\n fragment,\n routeConfig,\n url,\n outlet,\n params,\n data,\n title\n } = currentSnapshot;\n const newRedirect = runInInjectionContext(injector, () => redirectToFn({\n params,\n data,\n queryParams,\n fragment,\n routeConfig,\n url,\n outlet,\n title\n }));\n if (newRedirect instanceof UrlTree) {\n throw new AbsoluteRedirect(newRedirect);\n }\n redirectTo = newRedirect;\n }\n const newTree = this.applyRedirectCreateUrlTree(redirectTo, this.urlSerializer.parse(redirectTo), segments, posParams);\n if (redirectTo[0] === '/') {\n throw new AbsoluteRedirect(newTree);\n }\n return newTree;\n }\n applyRedirectCreateUrlTree(redirectTo, urlTree, segments, posParams) {\n const newRoot = this.createSegmentGroup(redirectTo, urlTree.root, segments, posParams);\n return new UrlTree(newRoot, this.createQueryParams(urlTree.queryParams, this.urlTree.queryParams), urlTree.fragment);\n }\n createQueryParams(redirectToParams, actualParams) {\n const res = {};\n Object.entries(redirectToParams).forEach(([k, v]) => {\n const copySourceValue = typeof v === 'string' && v[0] === ':';\n if (copySourceValue) {\n const sourceName = v.substring(1);\n res[k] = actualParams[sourceName];\n } else {\n res[k] = v;\n }\n });\n return res;\n }\n createSegmentGroup(redirectTo, group, segments, posParams) {\n const updatedSegments = this.createSegments(redirectTo, group.segments, segments, posParams);\n let children = {};\n Object.entries(group.children).forEach(([name, child]) => {\n children[name] = this.createSegmentGroup(redirectTo, child, segments, posParams);\n });\n return new UrlSegmentGroup(updatedSegments, children);\n }\n createSegments(redirectTo, redirectToSegments, actualSegments, posParams) {\n return redirectToSegments.map(s => s.path[0] === ':' ? this.findPosParam(redirectTo, s, posParams) : this.findOrReturn(s, actualSegments));\n }\n findPosParam(redirectTo, redirectToUrlSegment, posParams) {\n const pos = posParams[redirectToUrlSegment.path.substring(1)];\n if (!pos) throw new _RuntimeError(4001 /* RuntimeErrorCode.MISSING_REDIRECT */, (typeof ngDevMode === 'undefined' || ngDevMode) && `Cannot redirect to '${redirectTo}'. Cannot find '${redirectToUrlSegment.path}'.`);\n return pos;\n }\n findOrReturn(redirectToUrlSegment, actualSegments) {\n let idx = 0;\n for (const s of actualSegments) {\n if (s.path === redirectToUrlSegment.path) {\n actualSegments.splice(idx);\n return s;\n }\n idx++;\n }\n return redirectToUrlSegment;\n }\n}\nconst noMatch = {\n matched: false,\n consumedSegments: [],\n remainingSegments: [],\n parameters: {},\n positionalParamSegments: {}\n};\nfunction matchWithChecks(segmentGroup, route, segments, injector, urlSerializer) {\n const result = match(segmentGroup, route, segments);\n if (!result.matched) {\n return of(result);\n }\n // Only create the Route's `EnvironmentInjector` if it matches the attempted\n // navigation\n injector = getOrCreateRouteInjectorIfNeeded(route, injector);\n return runCanMatchGuards(injector, route, segments, urlSerializer).pipe(map(v => v === true ? result : {\n ...noMatch\n }));\n}\nfunction match(segmentGroup, route, segments) {\n if (route.path === '**') {\n return createWildcardMatchResult(segments);\n }\n if (route.path === '') {\n if (route.pathMatch === 'full' && (segmentGroup.hasChildren() || segments.length > 0)) {\n return {\n ...noMatch\n };\n }\n return {\n matched: true,\n consumedSegments: [],\n remainingSegments: segments,\n parameters: {},\n positionalParamSegments: {}\n };\n }\n const matcher = route.matcher || defaultUrlMatcher;\n const res = matcher(segments, segmentGroup, route);\n if (!res) return {\n ...noMatch\n };\n const posParams = {};\n Object.entries(res.posParams ?? {}).forEach(([k, v]) => {\n posParams[k] = v.path;\n });\n const parameters = res.consumed.length > 0 ? {\n ...posParams,\n ...res.consumed[res.consumed.length - 1].parameters\n } : posParams;\n return {\n matched: true,\n consumedSegments: res.consumed,\n remainingSegments: segments.slice(res.consumed.length),\n // TODO(atscott): investigate combining parameters and positionalParamSegments\n parameters,\n positionalParamSegments: res.posParams ?? {}\n };\n}\nfunction createWildcardMatchResult(segments) {\n return {\n matched: true,\n parameters: segments.length > 0 ? last(segments).parameters : {},\n consumedSegments: segments,\n remainingSegments: [],\n positionalParamSegments: {}\n };\n}\nfunction split(segmentGroup, consumedSegments, slicedSegments, config) {\n if (slicedSegments.length > 0 && containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, config)) {\n const s = new UrlSegmentGroup(consumedSegments, createChildrenForEmptyPaths(config, new UrlSegmentGroup(slicedSegments, segmentGroup.children)));\n return {\n segmentGroup: s,\n slicedSegments: []\n };\n }\n if (slicedSegments.length === 0 && containsEmptyPathMatches(segmentGroup, slicedSegments, config)) {\n const s = new UrlSegmentGroup(segmentGroup.segments, addEmptyPathsToChildrenIfNeeded(segmentGroup, slicedSegments, config, segmentGroup.children));\n return {\n segmentGroup: s,\n slicedSegments\n };\n }\n const s = new UrlSegmentGroup(segmentGroup.segments, segmentGroup.children);\n return {\n segmentGroup: s,\n slicedSegments\n };\n}\nfunction addEmptyPathsToChildrenIfNeeded(segmentGroup, slicedSegments, routes, children) {\n const res = {};\n for (const r of routes) {\n if (emptyPathMatch(segmentGroup, slicedSegments, r) && !children[getOutlet(r)]) {\n const s = new UrlSegmentGroup([], {});\n res[getOutlet(r)] = s;\n }\n }\n return {\n ...children,\n ...res\n };\n}\nfunction createChildrenForEmptyPaths(routes, primarySegment) {\n const res = {};\n res[PRIMARY_OUTLET] = primarySegment;\n for (const r of routes) {\n if (r.path === '' && getOutlet(r) !== PRIMARY_OUTLET) {\n const s = new UrlSegmentGroup([], {});\n res[getOutlet(r)] = s;\n }\n }\n return res;\n}\nfunction containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, routes) {\n return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r) && getOutlet(r) !== PRIMARY_OUTLET);\n}\nfunction containsEmptyPathMatches(segmentGroup, slicedSegments, routes) {\n return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r));\n}\nfunction emptyPathMatch(segmentGroup, slicedSegments, r) {\n if ((segmentGroup.hasChildren() || slicedSegments.length > 0) && r.pathMatch === 'full') {\n return false;\n }\n return r.path === '';\n}\nfunction noLeftoversInUrl(segmentGroup, segments, outlet) {\n return segments.length === 0 && !segmentGroup.children[outlet];\n}\n\n/**\n * Class used to indicate there were no additional route config matches but that all segments of\n * the URL were consumed during matching so the route was URL matched. When this happens, we still\n * try to match child configs in case there are empty path children.\n */\nclass NoLeftoversInUrl {}\nfunction recognize$1(injector, configLoader, rootComponentType, config, urlTree, urlSerializer, paramsInheritanceStrategy = 'emptyOnly') {\n return new Recognizer(injector, configLoader, rootComponentType, config, urlTree, paramsInheritanceStrategy, urlSerializer).recognize();\n}\nconst MAX_ALLOWED_REDIRECTS = 31;\nclass Recognizer {\n injector;\n configLoader;\n rootComponentType;\n config;\n urlTree;\n paramsInheritanceStrategy;\n urlSerializer;\n applyRedirects;\n absoluteRedirectCount = 0;\n allowRedirects = true;\n constructor(injector, configLoader, rootComponentType, config, urlTree, paramsInheritanceStrategy, urlSerializer) {\n this.injector = injector;\n this.configLoader = configLoader;\n this.rootComponentType = rootComponentType;\n this.config = config;\n this.urlTree = urlTree;\n this.paramsInheritanceStrategy = paramsInheritanceStrategy;\n this.urlSerializer = urlSerializer;\n this.applyRedirects = new ApplyRedirects(this.urlSerializer, this.urlTree);\n }\n noMatchError(e) {\n return new _RuntimeError(4002 /* RuntimeErrorCode.NO_MATCH */, typeof ngDevMode === 'undefined' || ngDevMode ? `Cannot match any routes. URL Segment: '${e.segmentGroup}'` : `'${e.segmentGroup}'`);\n }\n recognize() {\n const rootSegmentGroup = split(this.urlTree.root, [], [], this.config).segmentGroup;\n return this.match(rootSegmentGroup).pipe(map(({\n children,\n rootSnapshot\n }) => {\n const rootNode = new TreeNode(rootSnapshot, children);\n const routeState = new RouterStateSnapshot('', rootNode);\n const tree = createUrlTreeFromSnapshot(rootSnapshot, [], this.urlTree.queryParams, this.urlTree.fragment);\n // https://github.com/angular/angular/issues/47307\n // Creating the tree stringifies the query params\n // We don't want to do this here so reassign them to the original.\n tree.queryParams = this.urlTree.queryParams;\n routeState.url = this.urlSerializer.serialize(tree);\n return {\n state: routeState,\n tree\n };\n }));\n }\n match(rootSegmentGroup) {\n // Use Object.freeze to prevent readers of the Router state from modifying it outside\n // of a navigation, resulting in the router being out of sync with the browser.\n const rootSnapshot = new ActivatedRouteSnapshot([], Object.freeze({}), Object.freeze({\n ...this.urlTree.queryParams\n }), this.urlTree.fragment, Object.freeze({}), PRIMARY_OUTLET, this.rootComponentType, null, {});\n return this.processSegmentGroup(this.injector, this.config, rootSegmentGroup, PRIMARY_OUTLET, rootSnapshot).pipe(map(children => {\n return {\n children,\n rootSnapshot\n };\n }), catchError(e => {\n if (e instanceof AbsoluteRedirect) {\n this.urlTree = e.urlTree;\n return this.match(e.urlTree.root);\n }\n if (e instanceof NoMatch) {\n throw this.noMatchError(e);\n }\n throw e;\n }));\n }\n processSegmentGroup(injector, config, segmentGroup, outlet, parentRoute) {\n if (segmentGroup.segments.length === 0 && segmentGroup.hasChildren()) {\n return this.processChildren(injector, config, segmentGroup, parentRoute);\n }\n return this.processSegment(injector, config, segmentGroup, segmentGroup.segments, outlet, true, parentRoute).pipe(map(child => child instanceof TreeNode ? [child] : []));\n }\n /**\n * Matches every child outlet in the `segmentGroup` to a `Route` in the config. Returns `null` if\n * we cannot find a match for _any_ of the children.\n *\n * @param config - The `Routes` to match against\n * @param segmentGroup - The `UrlSegmentGroup` whose children need to be matched against the\n * config.\n */\n processChildren(injector, config, segmentGroup, parentRoute) {\n // Expand outlets one at a time, starting with the primary outlet. We need to do it this way\n // because an absolute redirect from the primary outlet takes precedence.\n const childOutlets = [];\n for (const child of Object.keys(segmentGroup.children)) {\n if (child === 'primary') {\n childOutlets.unshift(child);\n } else {\n childOutlets.push(child);\n }\n }\n return from(childOutlets).pipe(concatMap(childOutlet => {\n const child = segmentGroup.children[childOutlet];\n // Sort the config so that routes with outlets that match the one being activated\n // appear first, followed by routes for other outlets, which might match if they have\n // an empty path.\n const sortedConfig = sortByMatchingOutlets(config, childOutlet);\n return this.processSegmentGroup(injector, sortedConfig, child, childOutlet, parentRoute);\n }), scan((children, outletChildren) => {\n children.push(...outletChildren);\n return children;\n }), defaultIfEmpty(null), last$1(), mergeMap(children => {\n if (children === null) return noMatch$1(segmentGroup);\n // Because we may have matched two outlets to the same empty path segment, we can have\n // multiple activated results for the same outlet. We should merge the children of\n // these results so the final return value is only one `TreeNode` per outlet.\n const mergedChildren = mergeEmptyPathMatches(children);\n if (typeof ngDevMode === 'undefined' || ngDevMode) {\n // This should really never happen - we are only taking the first match for each\n // outlet and merge the empty path matches.\n checkOutletNameUniqueness(mergedChildren);\n }\n sortActivatedRouteSnapshots(mergedChildren);\n return of(mergedChildren);\n }));\n }\n processSegment(injector, routes, segmentGroup, segments, outlet, allowRedirects, parentRoute) {\n return from(routes).pipe(concatMap(r => {\n return this.processSegmentAgainstRoute(r._injector ?? injector, routes, r, segmentGroup, segments, outlet, allowRedirects, parentRoute).pipe(catchError(e => {\n if (e instanceof NoMatch) {\n return of(null);\n }\n throw e;\n }));\n }), first(x => !!x), catchError(e => {\n if (isEmptyError(e)) {\n if (noLeftoversInUrl(segmentGroup, segments, outlet)) {\n return of(new NoLeftoversInUrl());\n }\n return noMatch$1(segmentGroup);\n }\n throw e;\n }));\n }\n processSegmentAgainstRoute(injector, routes, route, rawSegment, segments, outlet, allowRedirects, parentRoute) {\n // We allow matches to empty paths when the outlets differ so we can match a url like `/(b:b)` to\n // a config like\n // * `{path: '', children: [{path: 'b', outlet: 'b'}]}`\n // or even\n // * `{path: '', outlet: 'a', children: [{path: 'b', outlet: 'b'}]`\n //\n // The exception here is when the segment outlet is for the primary outlet. This would\n // result in a match inside the named outlet because all children there are written as primary\n // outlets. So we need to prevent child named outlet matches in a url like `/b` in a config like\n // * `{path: '', outlet: 'x' children: [{path: 'b'}]}`\n // This should only match if the url is `/(x:b)`.\n if (getOutlet(route) !== outlet && (outlet === PRIMARY_OUTLET || !emptyPathMatch(rawSegment, segments, route))) {\n return noMatch$1(rawSegment);\n }\n if (route.redirectTo === undefined) {\n return this.matchSegmentAgainstRoute(injector, rawSegment, route, segments, outlet, parentRoute);\n }\n if (this.allowRedirects && allowRedirects) {\n return this.expandSegmentAgainstRouteUsingRedirect(injector, rawSegment, routes, route, segments, outlet, parentRoute);\n }\n return noMatch$1(rawSegment);\n }\n expandSegmentAgainstRouteUsingRedirect(injector, segmentGroup, routes, route, segments, outlet, parentRoute) {\n const {\n matched,\n parameters,\n consumedSegments,\n positionalParamSegments,\n remainingSegments\n } = match(segmentGroup, route, segments);\n if (!matched) return noMatch$1(segmentGroup);\n // TODO(atscott): Move all of this under an if(ngDevMode) as a breaking change and allow stack\n // size exceeded in production\n if (typeof route.redirectTo === 'string' && route.redirectTo[0] === '/') {\n this.absoluteRedirectCount++;\n if (this.absoluteRedirectCount > MAX_ALLOWED_REDIRECTS) {\n if (ngDevMode) {\n throw new _RuntimeError(4016 /* RuntimeErrorCode.INFINITE_REDIRECT */, `Detected possible infinite redirect when redirecting from '${this.urlTree}' to '${route.redirectTo}'.\\n` + `This is currently a dev mode only error but will become a` + ` call stack size exceeded error in production in a future major version.`);\n }\n this.allowRedirects = false;\n }\n }\n const currentSnapshot = new ActivatedRouteSnapshot(segments, parameters, Object.freeze({\n ...this.urlTree.queryParams\n }), this.urlTree.fragment, getData(route), getOutlet(route), route.component ?? route._loadedComponent ?? null, route, getResolve(route));\n const inherited = getInherited(currentSnapshot, parentRoute, this.paramsInheritanceStrategy);\n currentSnapshot.params = Object.freeze(inherited.params);\n currentSnapshot.data = Object.freeze(inherited.data);\n const newTree = this.applyRedirects.applyRedirectCommands(consumedSegments, route.redirectTo, positionalParamSegments, currentSnapshot, injector);\n return this.applyRedirects.lineralizeSegments(route, newTree).pipe(mergeMap(newSegments => {\n return this.processSegment(injector, routes, segmentGroup, newSegments.concat(remainingSegments), outlet, false, parentRoute);\n }));\n }\n matchSegmentAgainstRoute(injector, rawSegment, route, segments, outlet, parentRoute) {\n const matchResult = matchWithChecks(rawSegment, route, segments, injector, this.urlSerializer);\n if (route.path === '**') {\n // Prior versions of the route matching algorithm would stop matching at the wildcard route.\n // We should investigate a better strategy for any existing children. Otherwise, these\n // child segments are silently dropped from the navigation.\n // https://github.com/angular/angular/issues/40089\n rawSegment.children = {};\n }\n return matchResult.pipe(switchMap(result => {\n if (!result.matched) {\n return noMatch$1(rawSegment);\n }\n // If the route has an injector created from providers, we should start using that.\n injector = route._injector ?? injector;\n return this.getChildConfig(injector, route, segments).pipe(switchMap(({\n routes: childConfig\n }) => {\n const childInjector = route._loadedInjector ?? injector;\n const {\n parameters,\n consumedSegments,\n remainingSegments\n } = result;\n const snapshot = new ActivatedRouteSnapshot(consumedSegments, parameters, Object.freeze({\n ...this.urlTree.queryParams\n }), this.urlTree.fragment, getData(route), getOutlet(route), route.component ?? route._loadedComponent ?? null, route, getResolve(route));\n const inherited = getInherited(snapshot, parentRoute, this.paramsInheritanceStrategy);\n snapshot.params = Object.freeze(inherited.params);\n snapshot.data = Object.freeze(inherited.data);\n const {\n segmentGroup,\n slicedSegments\n } = split(rawSegment, consumedSegments, remainingSegments, childConfig);\n if (slicedSegments.length === 0 && segmentGroup.hasChildren()) {\n return this.processChildren(childInjector, childConfig, segmentGroup, snapshot).pipe(map(children => {\n return new TreeNode(snapshot, children);\n }));\n }\n if (childConfig.length === 0 && slicedSegments.length === 0) {\n return of(new TreeNode(snapshot, []));\n }\n const matchedOnOutlet = getOutlet(route) === outlet;\n // If we matched a config due to empty path match on a different outlet, we need to\n // continue passing the current outlet for the segment rather than switch to PRIMARY.\n // Note that we switch to primary when we have a match because outlet configs look like\n // this: {path: 'a', outlet: 'a', children: [\n // {path: 'b', component: B},\n // {path: 'c', component: C},\n // ]}\n // Notice that the children of the named outlet are configured with the primary outlet\n return this.processSegment(childInjector, childConfig, segmentGroup, slicedSegments, matchedOnOutlet ? PRIMARY_OUTLET : outlet, true, snapshot).pipe(map(child => {\n return new TreeNode(snapshot, child instanceof TreeNode ? [child] : []);\n }));\n }));\n }));\n }\n getChildConfig(injector, route, segments) {\n if (route.children) {\n // The children belong to the same module\n return of({\n routes: route.children,\n injector\n });\n }\n if (route.loadChildren) {\n // lazy children belong to the loaded module\n if (route._loadedRoutes !== undefined) {\n return of({\n routes: route._loadedRoutes,\n injector: route._loadedInjector\n });\n }\n return runCanLoadGuards(injector, route, segments, this.urlSerializer).pipe(mergeMap(shouldLoadResult => {\n if (shouldLoadResult) {\n return this.configLoader.loadChildren(injector, route).pipe(tap(cfg => {\n route._loadedRoutes = cfg.routes;\n route._loadedInjector = cfg.injector;\n }));\n }\n return canLoadFails(route);\n }));\n }\n return of({\n routes: [],\n injector\n });\n }\n}\nfunction sortActivatedRouteSnapshots(nodes) {\n nodes.sort((a, b) => {\n if (a.value.outlet === PRIMARY_OUTLET) return -1;\n if (b.value.outlet === PRIMARY_OUTLET) return 1;\n return a.value.outlet.localeCompare(b.value.outlet);\n });\n}\nfunction hasEmptyPathConfig(node) {\n const config = node.value.routeConfig;\n return config && config.path === '';\n}\n/**\n * Finds `TreeNode`s with matching empty path route configs and merges them into `TreeNode` with\n * the children from each duplicate. This is necessary because different outlets can match a\n * single empty path route config and the results need to then be merged.\n */\nfunction mergeEmptyPathMatches(nodes) {\n const result = [];\n // The set of nodes which contain children that were merged from two duplicate empty path nodes.\n const mergedNodes = new Set();\n for (const node of nodes) {\n if (!hasEmptyPathConfig(node)) {\n result.push(node);\n continue;\n }\n const duplicateEmptyPathNode = result.find(resultNode => node.value.routeConfig === resultNode.value.routeConfig);\n if (duplicateEmptyPathNode !== undefined) {\n duplicateEmptyPathNode.children.push(...node.children);\n mergedNodes.add(duplicateEmptyPathNode);\n } else {\n result.push(node);\n }\n }\n // For each node which has children from multiple sources, we need to recompute a new `TreeNode`\n // by also merging those children. This is necessary when there are multiple empty path configs\n // in a row. Put another way: whenever we combine children of two nodes, we need to also check\n // if any of those children can be combined into a single node as well.\n for (const mergedNode of mergedNodes) {\n const mergedChildren = mergeEmptyPathMatches(mergedNode.children);\n result.push(new TreeNode(mergedNode.value, mergedChildren));\n }\n return result.filter(n => !mergedNodes.has(n));\n}\nfunction checkOutletNameUniqueness(nodes) {\n const names = {};\n nodes.forEach(n => {\n const routeWithSameOutletName = names[n.value.outlet];\n if (routeWithSameOutletName) {\n const p = routeWithSameOutletName.url.map(s => s.toString()).join('/');\n const c = n.value.url.map(s => s.toString()).join('/');\n throw new _RuntimeError(4006 /* RuntimeErrorCode.TWO_SEGMENTS_WITH_SAME_OUTLET */, (typeof ngDevMode === 'undefined' || ngDevMode) && `Two segments cannot have the same outlet name: '${p}' and '${c}'.`);\n }\n names[n.value.outlet] = n.value;\n });\n}\nfunction getData(route) {\n return route.data || {};\n}\nfunction getResolve(route) {\n return route.resolve || {};\n}\nfunction recognize(injector, configLoader, rootComponentType, config, serializer, paramsInheritanceStrategy) {\n return mergeMap(t => recognize$1(injector, configLoader, rootComponentType, config, t.extractedUrl, serializer, paramsInheritanceStrategy).pipe(map(({\n state: targetSnapshot,\n tree: urlAfterRedirects\n }) => {\n return {\n ...t,\n targetSnapshot,\n urlAfterRedirects\n };\n })));\n}\nfunction resolveData(paramsInheritanceStrategy, injector) {\n return mergeMap(t => {\n const {\n targetSnapshot,\n guards: {\n canActivateChecks\n }\n } = t;\n if (!canActivateChecks.length) {\n return of(t);\n }\n // Iterating a Set in javascript happens in insertion order so it is safe to use a `Set` to\n // preserve the correct order that the resolvers should run in.\n // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set#description\n const routesWithResolversToRun = new Set(canActivateChecks.map(check => check.route));\n const routesNeedingDataUpdates = new Set();\n for (const route of routesWithResolversToRun) {\n if (routesNeedingDataUpdates.has(route)) {\n continue;\n }\n // All children under the route with a resolver to run need to recompute inherited data.\n for (const newRoute of flattenRouteTree(route)) {\n routesNeedingDataUpdates.add(newRoute);\n }\n }\n let routesProcessed = 0;\n return from(routesNeedingDataUpdates).pipe(concatMap(route => {\n if (routesWithResolversToRun.has(route)) {\n return runResolve(route, targetSnapshot, paramsInheritanceStrategy, injector);\n } else {\n route.data = getInherited(route, route.parent, paramsInheritanceStrategy).resolve;\n return of(void 0);\n }\n }), tap(() => routesProcessed++), takeLast(1), mergeMap(_ => routesProcessed === routesNeedingDataUpdates.size ? of(t) : EMPTY));\n });\n}\n/**\n * Returns the `ActivatedRouteSnapshot` tree as an array, using DFS to traverse the route tree.\n */\nfunction flattenRouteTree(route) {\n const descendants = route.children.map(child => flattenRouteTree(child)).flat();\n return [route, ...descendants];\n}\nfunction runResolve(futureARS, futureRSS, paramsInheritanceStrategy, injector) {\n const config = futureARS.routeConfig;\n const resolve = futureARS._resolve;\n if (config?.title !== undefined && !hasStaticTitle(config)) {\n resolve[RouteTitleKey] = config.title;\n }\n return resolveNode(resolve, futureARS, futureRSS, injector).pipe(map(resolvedData => {\n futureARS._resolvedData = resolvedData;\n futureARS.data = getInherited(futureARS, futureARS.parent, paramsInheritanceStrategy).resolve;\n return null;\n }));\n}\nfunction resolveNode(resolve, futureARS, futureRSS, injector) {\n const keys = getDataKeys(resolve);\n if (keys.length === 0) {\n return of({});\n }\n const data = {};\n return from(keys).pipe(mergeMap(key => getResolver(resolve[key], futureARS, futureRSS, injector).pipe(first(), tap(value => {\n if (value instanceof RedirectCommand) {\n throw redirectingNavigationError(new DefaultUrlSerializer(), value);\n }\n data[key] = value;\n }))), takeLast(1), map(() => data), catchError(e => isEmptyError(e) ? EMPTY : throwError(e)));\n}\nfunction getResolver(injectionToken, futureARS, futureRSS, injector) {\n const closestInjector = getClosestRouteInjector(futureARS) ?? injector;\n const resolver = getTokenOrFunctionIdentity(injectionToken, closestInjector);\n const resolverValue = resolver.resolve ? resolver.resolve(futureARS, futureRSS) : runInInjectionContext(closestInjector, () => resolver(futureARS, futureRSS));\n return wrapIntoObservable(resolverValue);\n}\n\n/**\n * Perform a side effect through a switchMap for every emission on the source Observable,\n * but return an Observable that is identical to the source. It's essentially the same as\n * the `tap` operator, but if the side effectful `next` function returns an ObservableInput,\n * it will wait before continuing with the original value.\n */\nfunction switchTap(next) {\n return switchMap(v => {\n const nextResult = next(v);\n if (nextResult) {\n return from(nextResult).pipe(map(() => v));\n }\n return of(v);\n });\n}\n\n/**\n * Provides a strategy for setting the page title after a router navigation.\n *\n * The built-in implementation traverses the router state snapshot and finds the deepest primary\n * outlet with `title` property. Given the `Routes` below, navigating to\n * `/base/child(popup:aux)` would result in the document title being set to \"child\".\n * ```ts\n * [\n * {path: 'base', title: 'base', children: [\n * {path: 'child', title: 'child'},\n * ],\n * {path: 'aux', outlet: 'popup', title: 'popupTitle'}\n * ]\n * ```\n *\n * This class can be used as a base class for custom title strategies. That is, you can create your\n * own class that extends the `TitleStrategy`. Note that in the above example, the `title`\n * from the named outlet is never used. However, a custom strategy might be implemented to\n * incorporate titles in named outlets.\n *\n * @publicApi\n * @see [Page title guide](guide/routing/common-router-tasks#setting-the-page-title)\n */\nlet TitleStrategy = /*#__PURE__*/(() => {\n class TitleStrategy {\n /**\n * @returns The `title` of the deepest primary route.\n */\n buildTitle(snapshot) {\n let pageTitle;\n let route = snapshot.root;\n while (route !== undefined) {\n pageTitle = this.getResolvedTitleForRoute(route) ?? pageTitle;\n route = route.children.find(child => child.outlet === PRIMARY_OUTLET);\n }\n return pageTitle;\n }\n /**\n * Given an `ActivatedRouteSnapshot`, returns the final value of the\n * `Route.title` property, which can either be a static string or a resolved value.\n */\n getResolvedTitleForRoute(snapshot) {\n return snapshot.data[RouteTitleKey];\n }\n static ɵfac = function TitleStrategy_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || TitleStrategy)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: TitleStrategy,\n factory: () => (() => inject(DefaultTitleStrategy))(),\n providedIn: 'root'\n });\n }\n return TitleStrategy;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n/**\n * The default `TitleStrategy` used by the router that updates the title using the `Title` service.\n */\nlet DefaultTitleStrategy = /*#__PURE__*/(() => {\n class DefaultTitleStrategy extends TitleStrategy {\n title;\n constructor(title) {\n super();\n this.title = title;\n }\n /**\n * Sets the title of the browser to the given value.\n *\n * @param title The `pageTitle` from the deepest primary route.\n */\n updateTitle(snapshot) {\n const title = this.buildTitle(snapshot);\n if (title !== undefined) {\n this.title.setTitle(title);\n }\n }\n static ɵfac = function DefaultTitleStrategy_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || DefaultTitleStrategy)(i0.ɵɵinject(i1.Title));\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: DefaultTitleStrategy,\n factory: DefaultTitleStrategy.ɵfac,\n providedIn: 'root'\n });\n }\n return DefaultTitleStrategy;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n\n/**\n * A DI token for the router service.\n *\n * @publicApi\n */\nconst ROUTER_CONFIGURATION = /*#__PURE__*/new InjectionToken(typeof ngDevMode === 'undefined' || ngDevMode ? 'router config' : '', {\n providedIn: 'root',\n factory: () => ({})\n});\n\n/**\n * The DI token for a router configuration.\n *\n * `ROUTES` is a low level API for router configuration via dependency injection.\n *\n * We recommend that in almost all cases to use higher level APIs such as `RouterModule.forRoot()`,\n * `provideRouter`, or `Router.resetConfig()`.\n *\n * @publicApi\n */\nconst ROUTES = /*#__PURE__*/new InjectionToken(ngDevMode ? 'ROUTES' : '');\nlet RouterConfigLoader = /*#__PURE__*/(() => {\n class RouterConfigLoader {\n componentLoaders = new WeakMap();\n childrenLoaders = new WeakMap();\n onLoadStartListener;\n onLoadEndListener;\n compiler = inject(Compiler);\n loadComponent(route) {\n if (this.componentLoaders.get(route)) {\n return this.componentLoaders.get(route);\n } else if (route._loadedComponent) {\n return of(route._loadedComponent);\n }\n if (this.onLoadStartListener) {\n this.onLoadStartListener(route);\n }\n const loadRunner = wrapIntoObservable(route.loadComponent()).pipe(map(maybeUnwrapDefaultExport), tap(component => {\n if (this.onLoadEndListener) {\n this.onLoadEndListener(route);\n }\n (typeof ngDevMode === 'undefined' || ngDevMode) && assertStandalone(route.path ?? '', component);\n route._loadedComponent = component;\n }), finalize(() => {\n this.componentLoaders.delete(route);\n }));\n // Use custom ConnectableObservable as share in runners pipe increasing the bundle size too much\n const loader = new ConnectableObservable(loadRunner, () => new Subject()).pipe(refCount());\n this.componentLoaders.set(route, loader);\n return loader;\n }\n loadChildren(parentInjector, route) {\n if (this.childrenLoaders.get(route)) {\n return this.childrenLoaders.get(route);\n } else if (route._loadedRoutes) {\n return of({\n routes: route._loadedRoutes,\n injector: route._loadedInjector\n });\n }\n if (this.onLoadStartListener) {\n this.onLoadStartListener(route);\n }\n const moduleFactoryOrRoutes$ = loadChildren(route, this.compiler, parentInjector, this.onLoadEndListener);\n const loadRunner = moduleFactoryOrRoutes$.pipe(finalize(() => {\n this.childrenLoaders.delete(route);\n }));\n // Use custom ConnectableObservable as share in runners pipe increasing the bundle size too much\n const loader = new ConnectableObservable(loadRunner, () => new Subject()).pipe(refCount());\n this.childrenLoaders.set(route, loader);\n return loader;\n }\n static ɵfac = function RouterConfigLoader_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || RouterConfigLoader)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: RouterConfigLoader,\n factory: RouterConfigLoader.ɵfac,\n providedIn: 'root'\n });\n }\n return RouterConfigLoader;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n/**\n * Executes a `route.loadChildren` callback and converts the result to an array of child routes and\n * an injector if that callback returned a module.\n *\n * This function is used for the route discovery during prerendering\n * in @angular-devkit/build-angular. If there are any updates to the contract here, it will require\n * an update to the extractor.\n */\nfunction loadChildren(route, compiler, parentInjector, onLoadEndListener) {\n return wrapIntoObservable(route.loadChildren()).pipe(map(maybeUnwrapDefaultExport), mergeMap(t => {\n if (t instanceof NgModuleFactory || Array.isArray(t)) {\n return of(t);\n } else {\n return from(compiler.compileModuleAsync(t));\n }\n }), map(factoryOrRoutes => {\n if (onLoadEndListener) {\n onLoadEndListener(route);\n }\n // This injector comes from the `NgModuleRef` when lazy loading an `NgModule`. There is\n // no injector associated with lazy loading a `Route` array.\n let injector;\n let rawRoutes;\n let requireStandaloneComponents = false;\n if (Array.isArray(factoryOrRoutes)) {\n rawRoutes = factoryOrRoutes;\n requireStandaloneComponents = true;\n } else {\n injector = factoryOrRoutes.create(parentInjector).injector;\n // When loading a module that doesn't provide `RouterModule.forChild()` preloader\n // will get stuck in an infinite loop. The child module's Injector will look to\n // its parent `Injector` when it doesn't find any ROUTES so it will return routes\n // for it's parent module instead.\n rawRoutes = injector.get(ROUTES, [], {\n optional: true,\n self: true\n }).flat();\n }\n const routes = rawRoutes.map(standardizeConfig);\n (typeof ngDevMode === 'undefined' || ngDevMode) && validateConfig(routes, route.path, requireStandaloneComponents);\n return {\n routes,\n injector\n };\n }));\n}\nfunction isWrappedDefaultExport(value) {\n // We use `in` here with a string key `'default'`, because we expect `DefaultExport` objects to be\n // dynamically imported ES modules with a spec-mandated `default` key. Thus we don't expect that\n // `default` will be a renamed property.\n return value && typeof value === 'object' && 'default' in value;\n}\nfunction maybeUnwrapDefaultExport(input) {\n // As per `isWrappedDefaultExport`, the `default` key here is generated by the browser and not\n // subject to property renaming, so we reference it with bracket access.\n return isWrappedDefaultExport(input) ? input['default'] : input;\n}\n\n/**\n * @description\n *\n * Provides a way to migrate AngularJS applications to Angular.\n *\n * @publicApi\n */\nlet UrlHandlingStrategy = /*#__PURE__*/(() => {\n class UrlHandlingStrategy {\n static ɵfac = function UrlHandlingStrategy_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || UrlHandlingStrategy)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: UrlHandlingStrategy,\n factory: () => (() => inject(DefaultUrlHandlingStrategy))(),\n providedIn: 'root'\n });\n }\n return UrlHandlingStrategy;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n/**\n * @publicApi\n */\nlet DefaultUrlHandlingStrategy = /*#__PURE__*/(() => {\n class DefaultUrlHandlingStrategy {\n shouldProcessUrl(url) {\n return true;\n }\n extract(url) {\n return url;\n }\n merge(newUrlPart, wholeUrl) {\n return newUrlPart;\n }\n static ɵfac = function DefaultUrlHandlingStrategy_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || DefaultUrlHandlingStrategy)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: DefaultUrlHandlingStrategy,\n factory: DefaultUrlHandlingStrategy.ɵfac,\n providedIn: 'root'\n });\n }\n return DefaultUrlHandlingStrategy;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n\n/// <reference types=\"dom-view-transitions\" />\nconst CREATE_VIEW_TRANSITION = /*#__PURE__*/new InjectionToken(ngDevMode ? 'view transition helper' : '');\nconst VIEW_TRANSITION_OPTIONS = /*#__PURE__*/new InjectionToken(ngDevMode ? 'view transition options' : '');\n/**\n * A helper function for using browser view transitions. This function skips the call to\n * `startViewTransition` if the browser does not support it.\n *\n * @returns A Promise that resolves when the view transition callback begins.\n */\nfunction createViewTransition(injector, from, to) {\n const transitionOptions = injector.get(VIEW_TRANSITION_OPTIONS);\n const document = injector.get(DOCUMENT);\n // Create promises outside the Angular zone to avoid causing extra change detections\n return injector.get(NgZone).runOutsideAngular(() => {\n if (!document.startViewTransition || transitionOptions.skipNextTransition) {\n transitionOptions.skipNextTransition = false;\n // The timing of `startViewTransition` is closer to a macrotask. It won't be called\n // until the current event loop exits so we use a promise resolved in a timeout instead\n // of Promise.resolve().\n return new Promise(resolve => setTimeout(resolve));\n }\n let resolveViewTransitionStarted;\n const viewTransitionStarted = new Promise(resolve => {\n resolveViewTransitionStarted = resolve;\n });\n const transition = document.startViewTransition(() => {\n resolveViewTransitionStarted();\n // We don't actually update dom within the transition callback. The resolving of the above\n // promise unblocks the Router navigation, which synchronously activates and deactivates\n // routes (the DOM update). This view transition waits for the next change detection to\n // complete (below), which includes the update phase of the routed components.\n return createRenderPromise(injector);\n // TODO(atscott): Types in DefinitelyTyped are not up-to-date\n });\n const {\n onViewTransitionCreated\n } = transitionOptions;\n if (onViewTransitionCreated) {\n runInInjectionContext(injector, () => onViewTransitionCreated({\n transition,\n from,\n to\n }));\n }\n return viewTransitionStarted;\n });\n}\n/**\n * Creates a promise that resolves after next render.\n */\nfunction createRenderPromise(injector) {\n return new Promise(resolve => {\n // Wait for the microtask queue to empty after the next render happens (by waiting a macrotask).\n // This ensures any follow-up renders in the microtask queue are completed before the\n // view transition starts animating.\n afterNextRender({\n read: () => setTimeout(resolve)\n }, {\n injector\n });\n });\n}\nconst NAVIGATION_ERROR_HANDLER = /*#__PURE__*/new InjectionToken(typeof ngDevMode === 'undefined' || ngDevMode ? 'navigation error handler' : '');\nlet NavigationTransitions = /*#__PURE__*/(() => {\n class NavigationTransitions {\n currentNavigation = null;\n currentTransition = null;\n lastSuccessfulNavigation = null;\n /**\n * These events are used to communicate back to the Router about the state of the transition. The\n * Router wants to respond to these events in various ways. Because the `NavigationTransition`\n * class is not public, this event subject is not publicly exposed.\n */\n events = new Subject();\n /**\n * Used to abort the current transition with an error.\n */\n transitionAbortSubject = new Subject();\n configLoader = inject(RouterConfigLoader);\n environmentInjector = inject(EnvironmentInjector);\n destroyRef = inject(DestroyRef);\n urlSerializer = inject(UrlSerializer);\n rootContexts = inject(ChildrenOutletContexts);\n location = inject(Location);\n inputBindingEnabled = inject(INPUT_BINDER, {\n optional: true\n }) !== null;\n titleStrategy = inject(TitleStrategy);\n options = inject(ROUTER_CONFIGURATION, {\n optional: true\n }) || {};\n paramsInheritanceStrategy = this.options.paramsInheritanceStrategy || 'emptyOnly';\n urlHandlingStrategy = inject(UrlHandlingStrategy);\n createViewTransition = inject(CREATE_VIEW_TRANSITION, {\n optional: true\n });\n navigationErrorHandler = inject(NAVIGATION_ERROR_HANDLER, {\n optional: true\n });\n navigationId = 0;\n get hasRequestedNavigation() {\n return this.navigationId !== 0;\n }\n transitions;\n /**\n * Hook that enables you to pause navigation after the preactivation phase.\n * Used by `RouterModule`.\n *\n * @internal\n */\n afterPreactivation = () => of(void 0);\n /** @internal */\n rootComponentType = null;\n destroyed = false;\n constructor() {\n const onLoadStart = r => this.events.next(new RouteConfigLoadStart(r));\n const onLoadEnd = r => this.events.next(new RouteConfigLoadEnd(r));\n this.configLoader.onLoadEndListener = onLoadEnd;\n this.configLoader.onLoadStartListener = onLoadStart;\n this.destroyRef.onDestroy(() => {\n this.destroyed = true;\n });\n }\n complete() {\n this.transitions?.complete();\n }\n handleNavigationRequest(request) {\n const id = ++this.navigationId;\n this.transitions?.next({\n ...request,\n extractedUrl: this.urlHandlingStrategy.extract(request.rawUrl),\n targetSnapshot: null,\n targetRouterState: null,\n guards: {\n canActivateChecks: [],\n canDeactivateChecks: []\n },\n guardsResult: null,\n id\n });\n }\n setupNavigations(router) {\n this.transitions = new BehaviorSubject(null);\n return this.transitions.pipe(filter(t => t !== null),\n // Using switchMap so we cancel executing navigations when a new one comes in\n switchMap(overallTransitionState => {\n let completed = false;\n let errored = false;\n return of(overallTransitionState).pipe(switchMap(t => {\n // It is possible that `switchMap` fails to cancel previous navigations if a new one happens synchronously while the operator\n // is processing the `next` notification of that previous navigation. This can happen when a new navigation (say 2) cancels a\n // previous one (1) and yet another navigation (3) happens synchronously in response to the `NavigationCancel` event for (1).\n // https://github.com/ReactiveX/rxjs/issues/7455\n if (this.navigationId > overallTransitionState.id) {\n const cancellationReason = typeof ngDevMode === 'undefined' || ngDevMode ? `Navigation ID ${overallTransitionState.id} is not equal to the current navigation id ${this.navigationId}` : '';\n this.cancelNavigationTransition(overallTransitionState, cancellationReason, NavigationCancellationCode.SupersededByNewNavigation);\n return EMPTY;\n }\n this.currentTransition = overallTransitionState;\n // Store the Navigation object\n this.currentNavigation = {\n id: t.id,\n initialUrl: t.rawUrl,\n extractedUrl: t.extractedUrl,\n targetBrowserUrl: typeof t.extras.browserUrl === 'string' ? this.urlSerializer.parse(t.extras.browserUrl) : t.extras.browserUrl,\n trigger: t.source,\n extras: t.extras,\n previousNavigation: !this.lastSuccessfulNavigation ? null : {\n ...this.lastSuccessfulNavigation,\n previousNavigation: null\n }\n };\n const urlTransition = !router.navigated || this.isUpdatingInternalState() || this.isUpdatedBrowserUrl();\n const onSameUrlNavigation = t.extras.onSameUrlNavigation ?? router.onSameUrlNavigation;\n if (!urlTransition && onSameUrlNavigation !== 'reload') {\n const reason = typeof ngDevMode === 'undefined' || ngDevMode ? `Navigation to ${t.rawUrl} was ignored because it is the same as the current Router URL.` : '';\n this.events.next(new NavigationSkipped(t.id, this.urlSerializer.serialize(t.rawUrl), reason, NavigationSkippedCode.IgnoredSameUrlNavigation));\n t.resolve(false);\n return EMPTY;\n }\n if (this.urlHandlingStrategy.shouldProcessUrl(t.rawUrl)) {\n return of(t).pipe(\n // Fire NavigationStart event\n switchMap(t => {\n this.events.next(new NavigationStart(t.id, this.urlSerializer.serialize(t.extractedUrl), t.source, t.restoredState));\n if (t.id !== this.navigationId) {\n return EMPTY;\n }\n // This delay is required to match old behavior that forced\n // navigation to always be async\n return Promise.resolve(t);\n }),\n // Recognize\n recognize(this.environmentInjector, this.configLoader, this.rootComponentType, router.config, this.urlSerializer, this.paramsInheritanceStrategy),\n // Update URL if in `eager` update mode\n tap(t => {\n overallTransitionState.targetSnapshot = t.targetSnapshot;\n overallTransitionState.urlAfterRedirects = t.urlAfterRedirects;\n this.currentNavigation = {\n ...this.currentNavigation,\n finalUrl: t.urlAfterRedirects\n };\n // Fire RoutesRecognized\n const routesRecognized = new RoutesRecognized(t.id, this.urlSerializer.serialize(t.extractedUrl), this.urlSerializer.serialize(t.urlAfterRedirects), t.targetSnapshot);\n this.events.next(routesRecognized);\n }));\n } else if (urlTransition && this.urlHandlingStrategy.shouldProcessUrl(t.currentRawUrl)) {\n /* When the current URL shouldn't be processed, but the previous one\n * was, we handle this \"error condition\" by navigating to the\n * previously successful URL, but leaving the URL intact.*/\n const {\n id,\n extractedUrl,\n source,\n restoredState,\n extras\n } = t;\n const navStart = new NavigationStart(id, this.urlSerializer.serialize(extractedUrl), source, restoredState);\n this.events.next(navStart);\n const targetSnapshot = createEmptyState(this.rootComponentType).snapshot;\n this.currentTransition = overallTransitionState = {\n ...t,\n targetSnapshot,\n urlAfterRedirects: extractedUrl,\n extras: {\n ...extras,\n skipLocationChange: false,\n replaceUrl: false\n }\n };\n this.currentNavigation.finalUrl = extractedUrl;\n return of(overallTransitionState);\n } else {\n /* When neither the current or previous URL can be processed, do\n * nothing other than update router's internal reference to the\n * current \"settled\" URL. This way the next navigation will be coming\n * from the current URL in the browser.\n */\n const reason = typeof ngDevMode === 'undefined' || ngDevMode ? `Navigation was ignored because the UrlHandlingStrategy` + ` indicated neither the current URL ${t.currentRawUrl} nor target URL ${t.rawUrl} should be processed.` : '';\n this.events.next(new NavigationSkipped(t.id, this.urlSerializer.serialize(t.extractedUrl), reason, NavigationSkippedCode.IgnoredByUrlHandlingStrategy));\n t.resolve(false);\n return EMPTY;\n }\n }),\n // --- GUARDS ---\n tap(t => {\n const guardsStart = new GuardsCheckStart(t.id, this.urlSerializer.serialize(t.extractedUrl), this.urlSerializer.serialize(t.urlAfterRedirects), t.targetSnapshot);\n this.events.next(guardsStart);\n }), map(t => {\n this.currentTransition = overallTransitionState = {\n ...t,\n guards: getAllRouteGuards(t.targetSnapshot, t.currentSnapshot, this.rootContexts)\n };\n return overallTransitionState;\n }), checkGuards(this.environmentInjector, evt => this.events.next(evt)), tap(t => {\n overallTransitionState.guardsResult = t.guardsResult;\n if (t.guardsResult && typeof t.guardsResult !== 'boolean') {\n throw redirectingNavigationError(this.urlSerializer, t.guardsResult);\n }\n const guardsEnd = new GuardsCheckEnd(t.id, this.urlSerializer.serialize(t.extractedUrl), this.urlSerializer.serialize(t.urlAfterRedirects), t.targetSnapshot, !!t.guardsResult);\n this.events.next(guardsEnd);\n }), filter(t => {\n if (!t.guardsResult) {\n this.cancelNavigationTransition(t, '', NavigationCancellationCode.GuardRejected);\n return false;\n }\n return true;\n }),\n // --- RESOLVE ---\n switchTap(t => {\n if (t.guards.canActivateChecks.length === 0) {\n return undefined;\n }\n return of(t).pipe(tap(t => {\n const resolveStart = new ResolveStart(t.id, this.urlSerializer.serialize(t.extractedUrl), this.urlSerializer.serialize(t.urlAfterRedirects), t.targetSnapshot);\n this.events.next(resolveStart);\n }), switchMap(t => {\n let dataResolved = false;\n return of(t).pipe(resolveData(this.paramsInheritanceStrategy, this.environmentInjector), tap({\n next: () => dataResolved = true,\n complete: () => {\n if (!dataResolved) {\n this.cancelNavigationTransition(t, typeof ngDevMode === 'undefined' || ngDevMode ? `At least one route resolver didn't emit any value.` : '', NavigationCancellationCode.NoDataFromResolver);\n }\n }\n }));\n }), tap(t => {\n const resolveEnd = new ResolveEnd(t.id, this.urlSerializer.serialize(t.extractedUrl), this.urlSerializer.serialize(t.urlAfterRedirects), t.targetSnapshot);\n this.events.next(resolveEnd);\n }));\n }),\n // --- LOAD COMPONENTS ---\n switchTap(t => {\n const loadComponents = route => {\n const loaders = [];\n if (route.routeConfig?.loadComponent && !route.routeConfig._loadedComponent) {\n loaders.push(this.configLoader.loadComponent(route.routeConfig).pipe(tap(loadedComponent => {\n route.component = loadedComponent;\n }), map(() => void 0)));\n }\n for (const child of route.children) {\n loaders.push(...loadComponents(child));\n }\n return loaders;\n };\n return combineLatest(loadComponents(t.targetSnapshot.root)).pipe(defaultIfEmpty(null), take(1));\n }), switchTap(() => this.afterPreactivation()), switchMap(() => {\n const {\n currentSnapshot,\n targetSnapshot\n } = overallTransitionState;\n const viewTransitionStarted = this.createViewTransition?.(this.environmentInjector, currentSnapshot.root, targetSnapshot.root);\n // If view transitions are enabled, block the navigation until the view\n // transition callback starts. Otherwise, continue immediately.\n return viewTransitionStarted ? from(viewTransitionStarted).pipe(map(() => overallTransitionState)) : of(overallTransitionState);\n }), map(t => {\n const targetRouterState = createRouterState(router.routeReuseStrategy, t.targetSnapshot, t.currentRouterState);\n this.currentTransition = overallTransitionState = {\n ...t,\n targetRouterState\n };\n this.currentNavigation.targetRouterState = targetRouterState;\n return overallTransitionState;\n }), tap(() => {\n this.events.next(new BeforeActivateRoutes());\n }), activateRoutes(this.rootContexts, router.routeReuseStrategy, evt => this.events.next(evt), this.inputBindingEnabled),\n // Ensure that if some observable used to drive the transition doesn't\n // complete, the navigation still finalizes This should never happen, but\n // this is done as a safety measure to avoid surfacing this error (#49567).\n take(1), tap({\n next: t => {\n completed = true;\n this.lastSuccessfulNavigation = this.currentNavigation;\n this.events.next(new NavigationEnd(t.id, this.urlSerializer.serialize(t.extractedUrl), this.urlSerializer.serialize(t.urlAfterRedirects)));\n this.titleStrategy?.updateTitle(t.targetRouterState.snapshot);\n t.resolve(true);\n },\n complete: () => {\n completed = true;\n }\n }),\n // There used to be a lot more logic happening directly within the\n // transition Observable. Some of this logic has been refactored out to\n // other places but there may still be errors that happen there. This gives\n // us a way to cancel the transition from the outside. This may also be\n // required in the future to support something like the abort signal of the\n // Navigation API where the navigation gets aborted from outside the\n // transition.\n takeUntil(this.transitionAbortSubject.pipe(tap(err => {\n throw err;\n }))), finalize(() => {\n /* When the navigation stream finishes either through error or success,\n * we set the `completed` or `errored` flag. However, there are some\n * situations where we could get here without either of those being set.\n * For instance, a redirect during NavigationStart. Therefore, this is a\n * catch-all to make sure the NavigationCancel event is fired when a\n * navigation gets cancelled but not caught by other means. */\n if (!completed && !errored) {\n const cancelationReason = typeof ngDevMode === 'undefined' || ngDevMode ? `Navigation ID ${overallTransitionState.id} is not equal to the current navigation id ${this.navigationId}` : '';\n this.cancelNavigationTransition(overallTransitionState, cancelationReason, NavigationCancellationCode.SupersededByNewNavigation);\n }\n // Only clear current navigation if it is still set to the one that\n // finalized.\n if (this.currentTransition?.id === overallTransitionState.id) {\n this.currentNavigation = null;\n this.currentTransition = null;\n }\n }), catchError(e => {\n // If the application is already destroyed, the catch block should not\n // execute anything in practice because other resources have already\n // been released and destroyed.\n if (this.destroyed) {\n overallTransitionState.resolve(false);\n return EMPTY;\n }\n errored = true;\n /* This error type is issued during Redirect, and is handled as a\n * cancellation rather than an error. */\n if (isNavigationCancelingError(e)) {\n this.events.next(new NavigationCancel(overallTransitionState.id, this.urlSerializer.serialize(overallTransitionState.extractedUrl), e.message, e.cancellationCode));\n // When redirecting, we need to delay resolving the navigation\n // promise and push it to the redirect navigation\n if (!isRedirectingNavigationCancelingError(e)) {\n overallTransitionState.resolve(false);\n } else {\n this.events.next(new RedirectRequest(e.url, e.navigationBehaviorOptions));\n }\n /* All other errors should reset to the router's internal URL reference\n * to the pre-error state. */\n } else {\n const navigationError = new NavigationError(overallTransitionState.id, this.urlSerializer.serialize(overallTransitionState.extractedUrl), e, overallTransitionState.targetSnapshot ?? undefined);\n try {\n const navigationErrorHandlerResult = runInInjectionContext(this.environmentInjector, () => this.navigationErrorHandler?.(navigationError));\n if (navigationErrorHandlerResult instanceof RedirectCommand) {\n const {\n message,\n cancellationCode\n } = redirectingNavigationError(this.urlSerializer, navigationErrorHandlerResult);\n this.events.next(new NavigationCancel(overallTransitionState.id, this.urlSerializer.serialize(overallTransitionState.extractedUrl), message, cancellationCode));\n this.events.next(new RedirectRequest(navigationErrorHandlerResult.redirectTo, navigationErrorHandlerResult.navigationBehaviorOptions));\n } else {\n this.events.next(navigationError);\n throw e;\n }\n } catch (ee) {\n // TODO(atscott): consider flipping the default behavior of\n // resolveNavigationPromiseOnError to be `resolve(false)` when\n // undefined. This is the most sane thing to do given that\n // applications very rarely handle the promise rejection and, as a\n // result, would get \"unhandled promise rejection\" console logs.\n // The vast majority of applications would not be affected by this\n // change so omitting a migration seems reasonable. Instead,\n // applications that rely on rejection can specifically opt-in to the\n // old behavior.\n if (this.options.resolveNavigationPromiseOnError) {\n overallTransitionState.resolve(false);\n } else {\n overallTransitionState.reject(ee);\n }\n }\n }\n return EMPTY;\n }));\n // casting because `pipe` returns observable({}) when called with 8+ arguments\n }));\n }\n cancelNavigationTransition(t, reason, code) {\n const navCancel = new NavigationCancel(t.id, this.urlSerializer.serialize(t.extractedUrl), reason, code);\n this.events.next(navCancel);\n t.resolve(false);\n }\n /**\n * @returns Whether we're navigating to somewhere that is not what the Router is\n * currently set to.\n */\n isUpdatingInternalState() {\n // TODO(atscott): The serializer should likely be used instead of\n // `UrlTree.toString()`. Custom serializers are often written to handle\n // things better than the default one (objects, for example will be\n // [Object object] with the custom serializer and be \"the same\" when they\n // aren't).\n // (Same for isUpdatedBrowserUrl)\n return this.currentTransition?.extractedUrl.toString() !== this.currentTransition?.currentUrlTree.toString();\n }\n /**\n * @returns Whether we're updating the browser URL to something new (navigation is going\n * to somewhere not displayed in the URL bar and we will update the URL\n * bar if navigation succeeds).\n */\n isUpdatedBrowserUrl() {\n // The extracted URL is the part of the URL that this application cares about. `extract` may\n // return only part of the browser URL and that part may have not changed even if some other\n // portion of the URL did.\n const currentBrowserUrl = this.urlHandlingStrategy.extract(this.urlSerializer.parse(this.location.path(true)));\n const targetBrowserUrl = this.currentNavigation?.targetBrowserUrl ?? this.currentNavigation?.extractedUrl;\n return currentBrowserUrl.toString() !== targetBrowserUrl?.toString() && !this.currentNavigation?.extras.skipLocationChange;\n }\n static ɵfac = function NavigationTransitions_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || NavigationTransitions)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: NavigationTransitions,\n factory: NavigationTransitions.ɵfac,\n providedIn: 'root'\n });\n }\n return NavigationTransitions;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nfunction isBrowserTriggeredNavigation(source) {\n return source !== IMPERATIVE_NAVIGATION;\n}\n\n/**\n * @description\n *\n * Provides a way to customize when activated routes get reused.\n *\n * @publicApi\n */\nlet RouteReuseStrategy = /*#__PURE__*/(() => {\n class RouteReuseStrategy {\n static ɵfac = function RouteReuseStrategy_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || RouteReuseStrategy)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: RouteReuseStrategy,\n factory: () => (() => inject(DefaultRouteReuseStrategy))(),\n providedIn: 'root'\n });\n }\n return RouteReuseStrategy;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n/**\n * @description\n *\n * This base route reuse strategy only reuses routes when the matched router configs are\n * identical. This prevents components from being destroyed and recreated\n * when just the route parameters, query parameters or fragment change\n * (that is, the existing component is _reused_).\n *\n * This strategy does not store any routes for later reuse.\n *\n * Angular uses this strategy by default.\n *\n *\n * It can be used as a base class for custom route reuse strategies, i.e. you can create your own\n * class that extends the `BaseRouteReuseStrategy` one.\n * @publicApi\n */\nclass BaseRouteReuseStrategy {\n /**\n * Whether the given route should detach for later reuse.\n * Always returns false for `BaseRouteReuseStrategy`.\n * */\n shouldDetach(route) {\n return false;\n }\n /**\n * A no-op; the route is never stored since this strategy never detaches routes for later re-use.\n */\n store(route, detachedTree) {}\n /** Returns `false`, meaning the route (and its subtree) is never reattached */\n shouldAttach(route) {\n return false;\n }\n /** Returns `null` because this strategy does not store routes for later re-use. */\n retrieve(route) {\n return null;\n }\n /**\n * Determines if a route should be reused.\n * This strategy returns `true` when the future route config and current route config are\n * identical.\n */\n shouldReuseRoute(future, curr) {\n return future.routeConfig === curr.routeConfig;\n }\n}\nlet DefaultRouteReuseStrategy = /*#__PURE__*/(() => {\n class DefaultRouteReuseStrategy extends BaseRouteReuseStrategy {\n static ɵfac = /* @__PURE__ */(() => {\n let ɵDefaultRouteReuseStrategy_BaseFactory;\n return function DefaultRouteReuseStrategy_Factory(__ngFactoryType__) {\n return (ɵDefaultRouteReuseStrategy_BaseFactory || (ɵDefaultRouteReuseStrategy_BaseFactory = i0.ɵɵgetInheritedFactory(DefaultRouteReuseStrategy)))(__ngFactoryType__ || DefaultRouteReuseStrategy);\n };\n })();\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: DefaultRouteReuseStrategy,\n factory: DefaultRouteReuseStrategy.ɵfac,\n providedIn: 'root'\n });\n }\n return DefaultRouteReuseStrategy;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nlet StateManager = /*#__PURE__*/(() => {\n class StateManager {\n urlSerializer = inject(UrlSerializer);\n options = inject(ROUTER_CONFIGURATION, {\n optional: true\n }) || {};\n canceledNavigationResolution = this.options.canceledNavigationResolution || 'replace';\n location = inject(Location);\n urlHandlingStrategy = inject(UrlHandlingStrategy);\n urlUpdateStrategy = this.options.urlUpdateStrategy || 'deferred';\n currentUrlTree = new UrlTree();\n /**\n * Returns the currently activated `UrlTree`.\n *\n * This `UrlTree` shows only URLs that the `Router` is configured to handle (through\n * `UrlHandlingStrategy`).\n *\n * The value is set after finding the route config tree to activate but before activating the\n * route.\n */\n getCurrentUrlTree() {\n return this.currentUrlTree;\n }\n rawUrlTree = this.currentUrlTree;\n /**\n * Returns a `UrlTree` that is represents what the browser is actually showing.\n *\n * In the life of a navigation transition:\n * 1. When a navigation begins, the raw `UrlTree` is updated to the full URL that's being\n * navigated to.\n * 2. During a navigation, redirects are applied, which might only apply to _part_ of the URL (due\n * to `UrlHandlingStrategy`).\n * 3. Just before activation, the raw `UrlTree` is updated to include the redirects on top of the\n * original raw URL.\n *\n * Note that this is _only_ here to support `UrlHandlingStrategy.extract` and\n * `UrlHandlingStrategy.shouldProcessUrl`. Without those APIs, the current `UrlTree` would not\n * deviated from the raw `UrlTree`.\n *\n * For `extract`, a raw `UrlTree` is needed because `extract` may only return part\n * of the navigation URL. Thus, the current `UrlTree` may only represent _part_ of the browser\n * URL. When a navigation gets cancelled and the router needs to reset the URL or a new navigation\n * occurs, it needs to know the _whole_ browser URL, not just the part handled by\n * `UrlHandlingStrategy`.\n * For `shouldProcessUrl`, when the return is `false`, the router ignores the navigation but\n * still updates the raw `UrlTree` with the assumption that the navigation was caused by the\n * location change listener due to a URL update by the AngularJS router. In this case, the router\n * still need to know what the browser's URL is for future navigations.\n */\n getRawUrlTree() {\n return this.rawUrlTree;\n }\n createBrowserPath({\n finalUrl,\n initialUrl,\n targetBrowserUrl\n }) {\n const rawUrl = finalUrl !== undefined ? this.urlHandlingStrategy.merge(finalUrl, initialUrl) : initialUrl;\n const url = targetBrowserUrl ?? rawUrl;\n const path = url instanceof UrlTree ? this.urlSerializer.serialize(url) : url;\n return path;\n }\n commitTransition({\n targetRouterState,\n finalUrl,\n initialUrl\n }) {\n // If we are committing the transition after having a final URL and target state, we're updating\n // all pieces of the state. Otherwise, we likely skipped the transition (due to URL handling strategy)\n // and only want to update the rawUrlTree, which represents the browser URL (and doesn't necessarily match router state).\n if (finalUrl && targetRouterState) {\n this.currentUrlTree = finalUrl;\n this.rawUrlTree = this.urlHandlingStrategy.merge(finalUrl, initialUrl);\n this.routerState = targetRouterState;\n } else {\n this.rawUrlTree = initialUrl;\n }\n }\n routerState = createEmptyState(null);\n /** Returns the current RouterState. */\n getRouterState() {\n return this.routerState;\n }\n stateMemento = this.createStateMemento();\n updateStateMemento() {\n this.stateMemento = this.createStateMemento();\n }\n createStateMemento() {\n return {\n rawUrlTree: this.rawUrlTree,\n currentUrlTree: this.currentUrlTree,\n routerState: this.routerState\n };\n }\n resetInternalState({\n finalUrl\n }) {\n this.routerState = this.stateMemento.routerState;\n this.currentUrlTree = this.stateMemento.currentUrlTree;\n // Note here that we use the urlHandlingStrategy to get the reset `rawUrlTree` because it may be\n // configured to handle only part of the navigation URL. This means we would only want to reset\n // the part of the navigation handled by the Angular router rather than the whole URL. In\n // addition, the URLHandlingStrategy may be configured to specifically preserve parts of the URL\n // when merging, such as the query params so they are not lost on a refresh.\n this.rawUrlTree = this.urlHandlingStrategy.merge(this.currentUrlTree, finalUrl ?? this.rawUrlTree);\n }\n static ɵfac = function StateManager_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || StateManager)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: StateManager,\n factory: () => (() => inject(HistoryStateManager))(),\n providedIn: 'root'\n });\n }\n return StateManager;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nlet HistoryStateManager = /*#__PURE__*/(() => {\n class HistoryStateManager extends StateManager {\n /**\n * The id of the currently active page in the router.\n * Updated to the transition's target id on a successful navigation.\n *\n * This is used to track what page the router last activated. When an attempted navigation fails,\n * the router can then use this to compute how to restore the state back to the previously active\n * page.\n */\n currentPageId = 0;\n lastSuccessfulId = -1;\n restoredState() {\n return this.location.getState();\n }\n /**\n * The ɵrouterPageId of whatever page is currently active in the browser history. This is\n * important for computing the target page id for new navigations because we need to ensure each\n * page id in the browser history is 1 more than the previous entry.\n */\n get browserPageId() {\n if (this.canceledNavigationResolution !== 'computed') {\n return this.currentPageId;\n }\n return this.restoredState()?.ɵrouterPageId ?? this.currentPageId;\n }\n registerNonRouterCurrentEntryChangeListener(listener) {\n return this.location.subscribe(event => {\n if (event['type'] === 'popstate') {\n // The `setTimeout` was added in #12160 and is likely to support Angular/AngularJS\n // hybrid apps.\n setTimeout(() => {\n listener(event['url'], event.state, 'popstate');\n });\n }\n });\n }\n handleRouterEvent(e, currentTransition) {\n if (e instanceof NavigationStart) {\n this.updateStateMemento();\n } else if (e instanceof NavigationSkipped) {\n this.commitTransition(currentTransition);\n } else if (e instanceof RoutesRecognized) {\n if (this.urlUpdateStrategy === 'eager') {\n if (!currentTransition.extras.skipLocationChange) {\n this.setBrowserUrl(this.createBrowserPath(currentTransition), currentTransition);\n }\n }\n } else if (e instanceof BeforeActivateRoutes) {\n this.commitTransition(currentTransition);\n if (this.urlUpdateStrategy === 'deferred' && !currentTransition.extras.skipLocationChange) {\n this.setBrowserUrl(this.createBrowserPath(currentTransition), currentTransition);\n }\n } else if (e instanceof NavigationCancel && (e.code === NavigationCancellationCode.GuardRejected || e.code === NavigationCancellationCode.NoDataFromResolver)) {\n this.restoreHistory(currentTransition);\n } else if (e instanceof NavigationError) {\n this.restoreHistory(currentTransition, true);\n } else if (e instanceof NavigationEnd) {\n this.lastSuccessfulId = e.id;\n this.currentPageId = this.browserPageId;\n }\n }\n setBrowserUrl(path, {\n extras,\n id\n }) {\n const {\n replaceUrl,\n state\n } = extras;\n if (this.location.isCurrentPathEqualTo(path) || !!replaceUrl) {\n // replacements do not update the target page\n const currentBrowserPageId = this.browserPageId;\n const newState = {\n ...state,\n ...this.generateNgRouterState(id, currentBrowserPageId)\n };\n this.location.replaceState(path, '', newState);\n } else {\n const newState = {\n ...state,\n ...this.generateNgRouterState(id, this.browserPageId + 1)\n };\n this.location.go(path, '', newState);\n }\n }\n /**\n * Performs the necessary rollback action to restore the browser URL to the\n * state before the transition.\n */\n restoreHistory(navigation, restoringFromCaughtError = false) {\n if (this.canceledNavigationResolution === 'computed') {\n const currentBrowserPageId = this.browserPageId;\n const targetPagePosition = this.currentPageId - currentBrowserPageId;\n if (targetPagePosition !== 0) {\n this.location.historyGo(targetPagePosition);\n } else if (this.getCurrentUrlTree() === navigation.finalUrl && targetPagePosition === 0) {\n // We got to the activation stage (where currentUrlTree is set to the navigation's\n // finalUrl), but we weren't moving anywhere in history (skipLocationChange or replaceUrl).\n // We still need to reset the router state back to what it was when the navigation started.\n this.resetInternalState(navigation);\n this.resetUrlToCurrentUrlTree();\n } else ;\n } else if (this.canceledNavigationResolution === 'replace') {\n // TODO(atscott): It seems like we should _always_ reset the state here. It would be a no-op\n // for `deferred` navigations that haven't change the internal state yet because guards\n // reject. For 'eager' navigations, it seems like we also really should reset the state\n // because the navigation was cancelled. Investigate if this can be done by running TGP.\n if (restoringFromCaughtError) {\n this.resetInternalState(navigation);\n }\n this.resetUrlToCurrentUrlTree();\n }\n }\n resetUrlToCurrentUrlTree() {\n this.location.replaceState(this.urlSerializer.serialize(this.getRawUrlTree()), '', this.generateNgRouterState(this.lastSuccessfulId, this.currentPageId));\n }\n generateNgRouterState(navigationId, routerPageId) {\n if (this.canceledNavigationResolution === 'computed') {\n return {\n navigationId,\n ɵrouterPageId: routerPageId\n };\n }\n return {\n navigationId\n };\n }\n static ɵfac = /* @__PURE__ */(() => {\n let ɵHistoryStateManager_BaseFactory;\n return function HistoryStateManager_Factory(__ngFactoryType__) {\n return (ɵHistoryStateManager_BaseFactory || (ɵHistoryStateManager_BaseFactory = i0.ɵɵgetInheritedFactory(HistoryStateManager)))(__ngFactoryType__ || HistoryStateManager);\n };\n })();\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: HistoryStateManager,\n factory: HistoryStateManager.ɵfac,\n providedIn: 'root'\n });\n }\n return HistoryStateManager;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\n\n/**\n * Performs the given action once the router finishes its next/current navigation.\n *\n * The navigation is considered complete under the following conditions:\n * - `NavigationCancel` event emits and the code is not `NavigationCancellationCode.Redirect` or\n * `NavigationCancellationCode.SupersededByNewNavigation`. In these cases, the\n * redirecting/superseding navigation must finish.\n * - `NavigationError`, `NavigationEnd`, or `NavigationSkipped` event emits\n */\nfunction afterNextNavigation(router, action) {\n router.events.pipe(filter(e => e instanceof NavigationEnd || e instanceof NavigationCancel || e instanceof NavigationError || e instanceof NavigationSkipped), map(e => {\n if (e instanceof NavigationEnd || e instanceof NavigationSkipped) {\n return 0 /* NavigationResult.COMPLETE */;\n }\n const redirecting = e instanceof NavigationCancel ? e.code === NavigationCancellationCode.Redirect || e.code === NavigationCancellationCode.SupersededByNewNavigation : false;\n return redirecting ? 2 /* NavigationResult.REDIRECTING */ : 1 /* NavigationResult.FAILED */;\n }), filter(result => result !== 2 /* NavigationResult.REDIRECTING */), take(1)).subscribe(() => {\n action();\n });\n}\n\n/**\n * The equivalent `IsActiveMatchOptions` options for `Router.isActive` is called with `true`\n * (exact = true).\n */\nconst exactMatchOptions = {\n paths: 'exact',\n fragment: 'ignored',\n matrixParams: 'ignored',\n queryParams: 'exact'\n};\n/**\n * The equivalent `IsActiveMatchOptions` options for `Router.isActive` is called with `false`\n * (exact = false).\n */\nconst subsetMatchOptions = {\n paths: 'subset',\n fragment: 'ignored',\n matrixParams: 'ignored',\n queryParams: 'subset'\n};\n/**\n * @description\n *\n * A service that facilitates navigation among views and URL manipulation capabilities.\n * This service is provided in the root scope and configured with [provideRouter](api/router/provideRouter).\n *\n * @see {@link Route}\n * @see {@link provideRouter}\n * @see [Routing and Navigation Guide](guide/routing/common-router-tasks).\n *\n * @ngModule RouterModule\n *\n * @publicApi\n */\nlet Router = /*#__PURE__*/(() => {\n class Router {\n get currentUrlTree() {\n return this.stateManager.getCurrentUrlTree();\n }\n get rawUrlTree() {\n return this.stateManager.getRawUrlTree();\n }\n disposed = false;\n nonRouterCurrentEntryChangeSubscription;\n console = inject(_Console);\n stateManager = inject(StateManager);\n options = inject(ROUTER_CONFIGURATION, {\n optional: true\n }) || {};\n pendingTasks = inject(_PendingTasksInternal);\n urlUpdateStrategy = this.options.urlUpdateStrategy || 'deferred';\n navigationTransitions = inject(NavigationTransitions);\n urlSerializer = inject(UrlSerializer);\n location = inject(Location);\n urlHandlingStrategy = inject(UrlHandlingStrategy);\n /**\n * The private `Subject` type for the public events exposed in the getter. This is used internally\n * to push events to. The separate field allows us to expose separate types in the public API\n * (i.e., an Observable rather than the Subject).\n */\n _events = new Subject();\n /**\n * An event stream for routing events.\n */\n get events() {\n // TODO(atscott): This _should_ be events.asObservable(). However, this change requires internal\n // cleanup: tests are doing `(route.events as Subject<Event>).next(...)`. This isn't\n // allowed/supported but we still have to fix these or file bugs against the teams before making\n // the change.\n return this._events;\n }\n /**\n * The current state of routing in this NgModule.\n */\n get routerState() {\n return this.stateManager.getRouterState();\n }\n /**\n * True if at least one navigation event has occurred,\n * false otherwise.\n */\n navigated = false;\n /**\n * A strategy for re-using routes.\n *\n * @deprecated Configure using `providers` instead:\n * `{provide: RouteReuseStrategy, useClass: MyStrategy}`.\n */\n routeReuseStrategy = inject(RouteReuseStrategy);\n /**\n * How to handle a navigation request to the current URL.\n *\n *\n * @deprecated Configure this through `provideRouter` or `RouterModule.forRoot` instead.\n * @see {@link withRouterConfig}\n * @see {@link provideRouter}\n * @see {@link RouterModule}\n */\n onSameUrlNavigation = this.options.onSameUrlNavigation || 'ignore';\n config = inject(ROUTES, {\n optional: true\n })?.flat() ?? [];\n /**\n * Indicates whether the application has opted in to binding Router data to component inputs.\n *\n * This option is enabled by the `withComponentInputBinding` feature of `provideRouter` or\n * `bindToComponentInputs` in the `ExtraOptions` of `RouterModule.forRoot`.\n */\n componentInputBindingEnabled = !!inject(INPUT_BINDER, {\n optional: true\n });\n constructor() {\n this.resetConfig(this.config);\n this.navigationTransitions.setupNavigations(this).subscribe({\n error: e => {\n this.console.warn(ngDevMode ? `Unhandled Navigation Error: ${e}` : e);\n }\n });\n this.subscribeToNavigationEvents();\n }\n eventsSubscription = new Subscription();\n subscribeToNavigationEvents() {\n const subscription = this.navigationTransitions.events.subscribe(e => {\n try {\n const currentTransition = this.navigationTransitions.currentTransition;\n const currentNavigation = this.navigationTransitions.currentNavigation;\n if (currentTransition !== null && currentNavigation !== null) {\n this.stateManager.handleRouterEvent(e, currentNavigation);\n if (e instanceof NavigationCancel && e.code !== NavigationCancellationCode.Redirect && e.code !== NavigationCancellationCode.SupersededByNewNavigation) {\n // It seems weird that `navigated` is set to `true` when the navigation is rejected,\n // however it's how things were written initially. Investigation would need to be done\n // to determine if this can be removed.\n this.navigated = true;\n } else if (e instanceof NavigationEnd) {\n this.navigated = true;\n } else if (e instanceof RedirectRequest) {\n const opts = e.navigationBehaviorOptions;\n const mergedTree = this.urlHandlingStrategy.merge(e.url, currentTransition.currentRawUrl);\n const extras = {\n browserUrl: currentTransition.extras.browserUrl,\n info: currentTransition.extras.info,\n skipLocationChange: currentTransition.extras.skipLocationChange,\n // The URL is already updated at this point if we have 'eager' URL\n // updates or if the navigation was triggered by the browser (back\n // button, URL bar, etc). We want to replace that item in history\n // if the navigation is rejected.\n replaceUrl: currentTransition.extras.replaceUrl || this.urlUpdateStrategy === 'eager' || isBrowserTriggeredNavigation(currentTransition.source),\n // allow developer to override default options with RedirectCommand\n ...opts\n };\n this.scheduleNavigation(mergedTree, IMPERATIVE_NAVIGATION, null, extras, {\n resolve: currentTransition.resolve,\n reject: currentTransition.reject,\n promise: currentTransition.promise\n });\n }\n }\n // Note that it's important to have the Router process the events _before_ the event is\n // pushed through the public observable. This ensures the correct router state is in place\n // before applications observe the events.\n if (isPublicRouterEvent(e)) {\n this._events.next(e);\n }\n } catch (e) {\n this.navigationTransitions.transitionAbortSubject.next(e);\n }\n });\n this.eventsSubscription.add(subscription);\n }\n /** @internal */\n resetRootComponentType(rootComponentType) {\n // TODO: vsavkin router 4.0 should make the root component set to null\n // this will simplify the lifecycle of the router.\n this.routerState.root.component = rootComponentType;\n this.navigationTransitions.rootComponentType = rootComponentType;\n }\n /**\n * Sets up the location change listener and performs the initial navigation.\n */\n initialNavigation() {\n this.setUpLocationChangeListener();\n if (!this.navigationTransitions.hasRequestedNavigation) {\n this.navigateToSyncWithBrowser(this.location.path(true), IMPERATIVE_NAVIGATION, this.stateManager.restoredState());\n }\n }\n /**\n * Sets up the location change listener. This listener detects navigations triggered from outside\n * the Router (the browser back/forward buttons, for example) and schedules a corresponding Router\n * navigation so that the correct events, guards, etc. are triggered.\n */\n setUpLocationChangeListener() {\n // Don't need to use Zone.wrap any more, because zone.js\n // already patch onPopState, so location change callback will\n // run into ngZone\n this.nonRouterCurrentEntryChangeSubscription ??= this.stateManager.registerNonRouterCurrentEntryChangeListener((url, state, source) => {\n this.navigateToSyncWithBrowser(url, source, state);\n });\n }\n /**\n * Schedules a router navigation to synchronize Router state with the browser state.\n *\n * This is done as a response to a popstate event and the initial navigation. These\n * two scenarios represent times when the browser URL/state has been updated and\n * the Router needs to respond to ensure its internal state matches.\n */\n navigateToSyncWithBrowser(url, source, state) {\n const extras = {\n replaceUrl: true\n };\n // TODO: restoredState should always include the entire state, regardless\n // of navigationId. This requires a breaking change to update the type on\n // NavigationStart’s restoredState, which currently requires navigationId\n // to always be present. The Router used to only restore history state if\n // a navigationId was present.\n // The stored navigationId is used by the RouterScroller to retrieve the scroll\n // position for the page.\n const restoredState = state?.navigationId ? state : null;\n // Separate to NavigationStart.restoredState, we must also restore the state to\n // history.state and generate a new navigationId, since it will be overwritten\n if (state) {\n const stateCopy = {\n ...state\n };\n delete stateCopy.navigationId;\n delete stateCopy.ɵrouterPageId;\n if (Object.keys(stateCopy).length !== 0) {\n extras.state = stateCopy;\n }\n }\n const urlTree = this.parseUrl(url);\n this.scheduleNavigation(urlTree, source, restoredState, extras);\n }\n /** The current URL. */\n get url() {\n return this.serializeUrl(this.currentUrlTree);\n }\n /**\n * Returns the current `Navigation` object when the router is navigating,\n * and `null` when idle.\n */\n getCurrentNavigation() {\n return this.navigationTransitions.currentNavigation;\n }\n /**\n * The `Navigation` object of the most recent navigation to succeed and `null` if there\n * has not been a successful navigation yet.\n */\n get lastSuccessfulNavigation() {\n return this.navigationTransitions.lastSuccessfulNavigation;\n }\n /**\n * Resets the route configuration used for navigation and generating links.\n *\n * @param config The route array for the new configuration.\n *\n * @usageNotes\n *\n * ```ts\n * router.resetConfig([\n * { path: 'team/:id', component: TeamCmp, children: [\n * { path: 'simple', component: SimpleCmp },\n * { path: 'user/:name', component: UserCmp }\n * ]}\n * ]);\n * ```\n */\n resetConfig(config) {\n (typeof ngDevMode === 'undefined' || ngDevMode) && validateConfig(config);\n this.config = config.map(standardizeConfig);\n this.navigated = false;\n }\n /** @docs-private */\n ngOnDestroy() {\n this.dispose();\n }\n /** Disposes of the router. */\n dispose() {\n // We call `unsubscribe()` to release observers, as users may forget to\n // unsubscribe manually when subscribing to `router.events`. We do not call\n // `complete()` because it is unsafe; if someone subscribes using the `first`\n // operator and the observable completes before emitting a value,\n // RxJS will throw an error.\n this._events.unsubscribe();\n this.navigationTransitions.complete();\n if (this.nonRouterCurrentEntryChangeSubscription) {\n this.nonRouterCurrentEntryChangeSubscription.unsubscribe();\n this.nonRouterCurrentEntryChangeSubscription = undefined;\n }\n this.disposed = true;\n this.eventsSubscription.unsubscribe();\n }\n /**\n * Appends URL segments to the current URL tree to create a new URL tree.\n *\n * @param commands An array of URL fragments with which to construct the new URL tree.\n * If the path is static, can be the literal URL string. For a dynamic path, pass an array of path\n * segments, followed by the parameters for each segment.\n * The fragments are applied to the current URL tree or the one provided in the `relativeTo`\n * property of the options object, if supplied.\n * @param navigationExtras Options that control the navigation strategy.\n * @returns The new URL tree.\n *\n * @usageNotes\n *\n * ```\n * // create /team/33/user/11\n * router.createUrlTree(['/team', 33, 'user', 11]);\n *\n * // create /team/33;expand=true/user/11\n * router.createUrlTree(['/team', 33, {expand: true}, 'user', 11]);\n *\n * // you can collapse static segments like this (this works only with the first passed-in value):\n * router.createUrlTree(['/team/33/user', userId]);\n *\n * // If the first segment can contain slashes, and you do not want the router to split it,\n * // you can do the following:\n * router.createUrlTree([{segmentPath: '/one/two'}]);\n *\n * // create /team/33/(user/11//right:chat)\n * router.createUrlTree(['/team', 33, {outlets: {primary: 'user/11', right: 'chat'}}]);\n *\n * // remove the right secondary node\n * router.createUrlTree(['/team', 33, {outlets: {primary: 'user/11', right: null}}]);\n *\n * // assuming the current url is `/team/33/user/11` and the route points to `user/11`\n *\n * // navigate to /team/33/user/11/details\n * router.createUrlTree(['details'], {relativeTo: route});\n *\n * // navigate to /team/33/user/22\n * router.createUrlTree(['../22'], {relativeTo: route});\n *\n * // navigate to /team/44/user/22\n * router.createUrlTree(['../../team/44/user/22'], {relativeTo: route});\n *\n * Note that a value of `null` or `undefined` for `relativeTo` indicates that the\n * tree should be created relative to the root.\n * ```\n */\n createUrlTree(commands, navigationExtras = {}) {\n const {\n relativeTo,\n queryParams,\n fragment,\n queryParamsHandling,\n preserveFragment\n } = navigationExtras;\n const f = preserveFragment ? this.currentUrlTree.fragment : fragment;\n let q = null;\n switch (queryParamsHandling ?? this.options.defaultQueryParamsHandling) {\n case 'merge':\n q = {\n ...this.currentUrlTree.queryParams,\n ...queryParams\n };\n break;\n case 'preserve':\n q = this.currentUrlTree.queryParams;\n break;\n default:\n q = queryParams || null;\n }\n if (q !== null) {\n q = this.removeEmptyProps(q);\n }\n let relativeToUrlSegmentGroup;\n try {\n const relativeToSnapshot = relativeTo ? relativeTo.snapshot : this.routerState.snapshot.root;\n relativeToUrlSegmentGroup = createSegmentGroupFromRoute(relativeToSnapshot);\n } catch (e) {\n // This is strictly for backwards compatibility with tests that create\n // invalid `ActivatedRoute` mocks.\n // Note: the difference between having this fallback for invalid `ActivatedRoute` setups and\n // just throwing is ~500 test failures. Fixing all of those tests by hand is not feasible at\n // the moment.\n if (typeof commands[0] !== 'string' || commands[0][0] !== '/') {\n // Navigations that were absolute in the old way of creating UrlTrees\n // would still work because they wouldn't attempt to match the\n // segments in the `ActivatedRoute` to the `currentUrlTree` but\n // instead just replace the root segment with the navigation result.\n // Non-absolute navigations would fail to apply the commands because\n // the logic could not find the segment to replace (so they'd act like there were no\n // commands).\n commands = [];\n }\n relativeToUrlSegmentGroup = this.currentUrlTree.root;\n }\n return createUrlTreeFromSegmentGroup(relativeToUrlSegmentGroup, commands, q, f ?? null);\n }\n /**\n * Navigates to a view using an absolute route path.\n *\n * @param url An absolute path for a defined route. The function does not apply any delta to the\n * current URL.\n * @param extras An object containing properties that modify the navigation strategy.\n *\n * @returns A Promise that resolves to 'true' when navigation succeeds,\n * to 'false' when navigation fails, or is rejected on error.\n *\n * @usageNotes\n *\n * The following calls request navigation to an absolute path.\n *\n * ```ts\n * router.navigateByUrl(\"/team/33/user/11\");\n *\n * // Navigate without updating the URL\n * router.navigateByUrl(\"/team/33/user/11\", { skipLocationChange: true });\n * ```\n *\n * @see [Routing and Navigation guide](guide/routing/common-router-tasks)\n *\n */\n navigateByUrl(url, extras = {\n skipLocationChange: false\n }) {\n const urlTree = isUrlTree(url) ? url : this.parseUrl(url);\n const mergedTree = this.urlHandlingStrategy.merge(urlTree, this.rawUrlTree);\n return this.scheduleNavigation(mergedTree, IMPERATIVE_NAVIGATION, null, extras);\n }\n /**\n * Navigate based on the provided array of commands and a starting point.\n * If no starting route is provided, the navigation is absolute.\n *\n * @param commands An array of URL fragments with which to construct the target URL.\n * If the path is static, can be the literal URL string. For a dynamic path, pass an array of path\n * segments, followed by the parameters for each segment.\n * The fragments are applied to the current URL or the one provided in the `relativeTo` property\n * of the options object, if supplied.\n * @param extras An options object that determines how the URL should be constructed or\n * interpreted.\n *\n * @returns A Promise that resolves to `true` when navigation succeeds, or `false` when navigation\n * fails. The Promise is rejected when an error occurs if `resolveNavigationPromiseOnError` is\n * not `true`.\n *\n * @usageNotes\n *\n * The following calls request navigation to a dynamic route path relative to the current URL.\n *\n * ```ts\n * router.navigate(['team', 33, 'user', 11], {relativeTo: route});\n *\n * // Navigate without updating the URL, overriding the default behavior\n * router.navigate(['team', 33, 'user', 11], {relativeTo: route, skipLocationChange: true});\n * ```\n *\n * @see [Routing and Navigation guide](guide/routing/common-router-tasks)\n *\n */\n navigate(commands, extras = {\n skipLocationChange: false\n }) {\n validateCommands(commands);\n return this.navigateByUrl(this.createUrlTree(commands, extras), extras);\n }\n /** Serializes a `UrlTree` into a string */\n serializeUrl(url) {\n return this.urlSerializer.serialize(url);\n }\n /** Parses a string into a `UrlTree` */\n parseUrl(url) {\n try {\n return this.urlSerializer.parse(url);\n } catch {\n return this.urlSerializer.parse('/');\n }\n }\n isActive(url, matchOptions) {\n let options;\n if (matchOptions === true) {\n options = {\n ...exactMatchOptions\n };\n } else if (matchOptions === false) {\n options = {\n ...subsetMatchOptions\n };\n } else {\n options = matchOptions;\n }\n if (isUrlTree(url)) {\n return containsTree(this.currentUrlTree, url, options);\n }\n const urlTree = this.parseUrl(url);\n return containsTree(this.currentUrlTree, urlTree, options);\n }\n removeEmptyProps(params) {\n return Object.entries(params).reduce((result, [key, value]) => {\n if (value !== null && value !== undefined) {\n result[key] = value;\n }\n return result;\n }, {});\n }\n scheduleNavigation(rawUrl, source, restoredState, extras, priorPromise) {\n if (this.disposed) {\n return Promise.resolve(false);\n }\n let resolve;\n let reject;\n let promise;\n if (priorPromise) {\n resolve = priorPromise.resolve;\n reject = priorPromise.reject;\n promise = priorPromise.promise;\n } else {\n promise = new Promise((res, rej) => {\n resolve = res;\n reject = rej;\n });\n }\n // Indicate that the navigation is happening.\n const taskId = this.pendingTasks.add();\n afterNextNavigation(this, () => {\n // Remove pending task in a microtask to allow for cancelled\n // initial navigations and redirects within the same task.\n queueMicrotask(() => this.pendingTasks.remove(taskId));\n });\n this.navigationTransitions.handleNavigationRequest({\n source,\n restoredState,\n currentUrlTree: this.currentUrlTree,\n currentRawUrl: this.currentUrlTree,\n rawUrl,\n extras,\n resolve: resolve,\n reject: reject,\n promise,\n currentSnapshot: this.routerState.snapshot,\n currentRouterState: this.routerState\n });\n // Make sure that the error is propagated even though `processNavigations` catch\n // handler does not rethrow\n return promise.catch(e => {\n return Promise.reject(e);\n });\n }\n static ɵfac = function Router_Factory(__ngFactoryType__) {\n return new (__ngFactoryType__ || Router)();\n };\n static ɵprov = /* @__PURE__ */i0.ɵɵdefineInjectable({\n token: Router,\n factory: Router.ɵfac,\n providedIn: 'root'\n });\n }\n return Router;\n})();\n/*#__PURE__*/(() => {\n (typeof ngDevMode === \"undefined\" || ngDevMode) && void 0;\n})();\nfunction validateCommands(commands) {\n for (let i = 0; i < commands.length; i++) {\n const cmd = commands[i];\n if (cmd == null) {\n throw new _RuntimeError(4008 /* RuntimeErrorCode.NULLISH_COMMAND */, (typeof ngDevMode === 'undefined' || ngDevMode) && `The requested path contains ${cmd} segment at index ${i}`);\n }\n }\n}\nfunction isPublicRouterEvent(e) {\n return !(e instanceof BeforeActivateRoutes) && !(e instanceof RedirectRequest);\n}\nexport { ActivatedRoute, ActivatedRouteSnapshot, ActivationEnd, ActivationStart, BaseRouteReuseStrategy, CREATE_VIEW_TRANSITION, ChildActivationEnd, ChildActivationStart, ChildrenOutletContexts, DefaultTitleStrategy, DefaultUrlSerializer, EventType, GuardsCheckEnd, GuardsCheckStart, INPUT_BINDER, NAVIGATION_ERROR_HANDLER, NavigationCancel, NavigationCancellationCode, NavigationEnd, NavigationError, NavigationSkipped, NavigationSkippedCode, NavigationStart, NavigationTransitions, OutletContext, PRIMARY_OUTLET, ROUTER_CONFIGURATION, ROUTER_OUTLET_DATA, ROUTES, RedirectCommand, ResolveEnd, ResolveStart, RouteConfigLoadEnd, RouteConfigLoadStart, RouteReuseStrategy, RoutedComponentInputBinder, Router, RouterConfigLoader, RouterEvent, RouterOutlet, RouterState, RouterStateSnapshot, RoutesRecognized, Scroll, TitleStrategy, UrlHandlingStrategy, UrlSegment, UrlSegmentGroup, UrlSerializer, UrlTree, VIEW_TRANSITION_OPTIONS, afterNextNavigation, convertToParamMap, createUrlTreeFromSnapshot, createViewTransition, defaultUrlMatcher, isUrlTree, loadChildren, stringifyEvent, ɵEmptyOutletComponent };\n//# sourceMappingURL=router-Dwfin5Au.mjs.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}