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@angular/router

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/** * @fileoverview added by tsickle * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc */ /** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ import { PRIMARY_OUTLET, convertToParamMap } from './shared'; import { forEach, shallowEqual } from './utils/collection'; /** * @return {?} */ export function createEmptyUrlTree() { return new UrlTree(new UrlSegmentGroup([], {}), {}, null); } /** * @param {?} container * @param {?} containee * @param {?} exact * @return {?} */ export function containsTree(container, containee, exact) { if (exact) { return equalQueryParams(container.queryParams, containee.queryParams) && equalSegmentGroups(container.root, containee.root); } return containsQueryParams(container.queryParams, containee.queryParams) && containsSegmentGroup(container.root, containee.root); } /** * @param {?} container * @param {?} containee * @return {?} */ function equalQueryParams(container, containee) { // TODO: This does not handle array params correctly. return shallowEqual(container, containee); } /** * @param {?} container * @param {?} containee * @return {?} */ function equalSegmentGroups(container, containee) { if (!equalPath(container.segments, containee.segments)) return false; if (container.numberOfChildren !== containee.numberOfChildren) return false; for (const c in containee.children) { if (!container.children[c]) return false; if (!equalSegmentGroups(container.children[c], containee.children[c])) return false; } return true; } /** * @param {?} container * @param {?} containee * @return {?} */ function containsQueryParams(container, containee) { // TODO: This does not handle array params correctly. return Object.keys(containee).length <= Object.keys(container).length && Object.keys(containee).every(key => containee[key] === container[key]); } /** * @param {?} container * @param {?} containee * @return {?} */ function containsSegmentGroup(container, containee) { return containsSegmentGroupHelper(container, containee, containee.segments); } /** * @param {?} container * @param {?} containee * @param {?} containeePaths * @return {?} */ function containsSegmentGroupHelper(container, containee, containeePaths) { if (container.segments.length > containeePaths.length) { /** @type {?} */ const current = container.segments.slice(0, containeePaths.length); if (!equalPath(current, containeePaths)) return false; if (containee.hasChildren()) return false; return true; } else if (container.segments.length === containeePaths.length) { if (!equalPath(container.segments, containeePaths)) return false; for (const c in containee.children) { if (!container.children[c]) return false; if (!containsSegmentGroup(container.children[c], containee.children[c])) return false; } return true; } else { /** @type {?} */ const current = containeePaths.slice(0, container.segments.length); /** @type {?} */ const next = containeePaths.slice(container.segments.length); if (!equalPath(container.segments, current)) return false; if (!container.children[PRIMARY_OUTLET]) return false; return containsSegmentGroupHelper(container.children[PRIMARY_OUTLET], containee, next); } } /** * \@description * * Represents the parsed URL. * * Since a router state is a tree, and the URL is nothing but a serialized state, the URL is a * serialized tree. * UrlTree is a data structure that provides a lot of affordances in dealing with URLs * * \@usageNotes * ### Example * * ``` * \@Component({templateUrl:'template.html'}) * class MyComponent { * constructor(router: Router) { * const tree: UrlTree = * router.parseUrl('/team/33/(user/victor//support:help)?debug=true#fragment'); * const f = tree.fragment; // return 'fragment' * const q = tree.queryParams; // returns {debug: 'true'} * const g: UrlSegmentGroup = tree.root.children[PRIMARY_OUTLET]; * const s: UrlSegment[] = g.segments; // returns 2 segments 'team' and '33' * g.children[PRIMARY_OUTLET].segments; // returns 2 segments 'user' and 'victor' * g.children['support'].segments; // return 1 segment 'help' * } * } * ``` * * \@publicApi */ export class UrlTree { /** * \@internal * @param {?} root * @param {?} queryParams * @param {?} fragment */ constructor(root, queryParams, fragment) { this.root = root; this.queryParams = queryParams; this.fragment = fragment; } /** * @return {?} */ get queryParamMap() { if (!this._queryParamMap) { this._queryParamMap = convertToParamMap(this.queryParams); } return this._queryParamMap; } /** * \@docsNotRequired * @return {?} */ toString() { return DEFAULT_SERIALIZER.serialize(this); } } if (false) { /** * \@internal * @type {?} */ UrlTree.prototype._queryParamMap; /** * The root segment group of the URL tree * @type {?} */ UrlTree.prototype.root; /** * The query params of the URL * @type {?} */ UrlTree.prototype.queryParams; /** * The fragment of the URL * @type {?} */ UrlTree.prototype.fragment; } /** * \@description * * Represents the parsed URL segment group. * * See `UrlTree` for more information. * * \@publicApi */ export class UrlSegmentGroup { /** * @param {?} segments * @param {?} children */ constructor(segments, children) { this.segments = segments; this.children = children; /** * The parent node in the url tree */ this.parent = null; forEach(children, (v, k) => v.parent = this); } /** * Whether the segment has child segments * @return {?} */ hasChildren() { return this.numberOfChildren > 0; } /** * Number of child segments * @return {?} */ get numberOfChildren() { return Object.keys(this.children).length; } /** * \@docsNotRequired * @return {?} */ toString() { return serializePaths(this); } } if (false) { /** * \@internal * @type {?} */ UrlSegmentGroup.prototype._sourceSegment; /** * \@internal * @type {?} */ UrlSegmentGroup.prototype._segmentIndexShift; /** * The parent node in the url tree * @type {?} */ UrlSegmentGroup.prototype.parent; /** * The URL segments of this group. See `UrlSegment` for more information * @type {?} */ UrlSegmentGroup.prototype.segments; /** * The list of children of this group * @type {?} */ UrlSegmentGroup.prototype.children; } /** * \@description * * Represents a single URL segment. * * A UrlSegment is a part of a URL between the two slashes. It contains a path and the matrix * parameters associated with the segment. * * \@usageNotes *  ### Example * * ``` * \@Component({templateUrl:'template.html'}) * class MyComponent { * constructor(router: Router) { * const tree: UrlTree = router.parseUrl('/team;id=33'); * const g: UrlSegmentGroup = tree.root.children[PRIMARY_OUTLET]; * const s: UrlSegment[] = g.segments; * s[0].path; // returns 'team' * s[0].parameters; // returns {id: 33} * } * } * ``` * * \@publicApi */ export class UrlSegment { /** * @param {?} path * @param {?} parameters */ constructor(path, parameters) { this.path = path; this.parameters = parameters; } /** * @return {?} */ get parameterMap() { if (!this._parameterMap) { this._parameterMap = convertToParamMap(this.parameters); } return this._parameterMap; } /** * \@docsNotRequired * @return {?} */ toString() { return serializePath(this); } } if (false) { /** * \@internal * @type {?} */ UrlSegment.prototype._parameterMap; /** * The path part of a URL segment * @type {?} */ UrlSegment.prototype.path; /** * The matrix parameters associated with a segment * @type {?} */ UrlSegment.prototype.parameters; } /** * @param {?} as * @param {?} bs * @return {?} */ export function equalSegments(as, bs) { return equalPath(as, bs) && as.every((a, i) => shallowEqual(a.parameters, bs[i].parameters)); } /** * @param {?} as * @param {?} bs * @return {?} */ export function equalPath(as, bs) { if (as.length !== bs.length) return false; return as.every((a, i) => a.path === bs[i].path); } /** * @template T * @param {?} segment * @param {?} fn * @return {?} */ export function mapChildrenIntoArray(segment, fn) { /** @type {?} */ let res = []; forEach(segment.children, (child, childOutlet) => { if (childOutlet === PRIMARY_OUTLET) { res = res.concat(fn(child, childOutlet)); } }); forEach(segment.children, (child, childOutlet) => { if (childOutlet !== PRIMARY_OUTLET) { res = res.concat(fn(child, childOutlet)); } }); return res; } /** * \@description * * Serializes and deserializes a URL string into a URL tree. * * The url serialization strategy is customizable. You can * make all URLs case insensitive by providing a custom UrlSerializer. * * See `DefaultUrlSerializer` for an example of a URL serializer. * * \@publicApi * @abstract */ export class UrlSerializer { } if (false) { /** * Parse a url into a `UrlTree` * @abstract * @param {?} url * @return {?} */ UrlSerializer.prototype.parse = function (url) { }; /** * Converts a `UrlTree` into a url * @abstract * @param {?} tree * @return {?} */ UrlSerializer.prototype.serialize = function (tree) { }; } /** * \@description * * A default implementation of the `UrlSerializer`. * * Example URLs: * * ``` * /inbox/33(popup:compose) * /inbox/33;open=true/messages/44 * ``` * * DefaultUrlSerializer uses parentheses to serialize secondary segments (e.g., popup:compose), the * colon syntax to specify the outlet, and the ';parameter=value' syntax (e.g., open=true) to * specify route specific parameters. * * \@publicApi */ export class DefaultUrlSerializer { /** * Parses a url into a `UrlTree` * @param {?} url * @return {?} */ parse(url) { /** @type {?} */ const p = new UrlParser(url); return new UrlTree(p.parseRootSegment(), p.parseQueryParams(), p.parseFragment()); } /** * Converts a `UrlTree` into a url * @param {?} tree * @return {?} */ serialize(tree) { /** @type {?} */ const segment = `/${serializeSegment(tree.root, true)}`; /** @type {?} */ const query = serializeQueryParams(tree.queryParams); /** @type {?} */ const fragment = typeof tree.fragment === `string` ? `#${encodeUriFragment((/** @type {?} */ ((tree.fragment))))}` : ''; return `${segment}${query}${fragment}`; } } /** @type {?} */ const DEFAULT_SERIALIZER = new DefaultUrlSerializer(); /** * @param {?} segment * @return {?} */ export function serializePaths(segment) { return segment.segments.map(p => serializePath(p)).join('/'); } /** * @param {?} segment * @param {?} root * @return {?} */ function serializeSegment(segment, root) { if (!segment.hasChildren()) { return serializePaths(segment); } if (root) { /** @type {?} */ const primary = segment.children[PRIMARY_OUTLET] ? serializeSegment(segment.children[PRIMARY_OUTLET], false) : ''; /** @type {?} */ const children = []; forEach(segment.children, (v, k) => { if (k !== PRIMARY_OUTLET) { children.push(`${k}:${serializeSegment(v, false)}`); } }); return children.length > 0 ? `${primary}(${children.join('//')})` : primary; } else { /** @type {?} */ const children = mapChildrenIntoArray(segment, (v, k) => { if (k === PRIMARY_OUTLET) { return [serializeSegment(segment.children[PRIMARY_OUTLET], false)]; } return [`${k}:${serializeSegment(v, false)}`]; }); return `${serializePaths(segment)}/(${children.join('//')})`; } } /** * Encodes a URI string with the default encoding. This function will only ever be called from * `encodeUriQuery` or `encodeUriSegment` as it's the base set of encodings to be used. We need * a custom encoding because encodeURIComponent is too aggressive and encodes stuff that doesn't * have to be encoded per https://url.spec.whatwg.org. * @param {?} s * @return {?} */ function encodeUriString(s) { return encodeURIComponent(s) .replace(/%40/g, '@') .replace(/%3A/gi, ':') .replace(/%24/g, '$') .replace(/%2C/gi, ','); } /** * This function should be used to encode both keys and values in a query string key/value. In * the following URL, you need to call encodeUriQuery on "k" and "v": * * http://www.site.org/html;mk=mv?k=v#f * @param {?} s * @return {?} */ export function encodeUriQuery(s) { return encodeUriString(s).replace(/%3B/gi, ';'); } /** * This function should be used to encode a URL fragment. In the following URL, you need to call * encodeUriFragment on "f": * * http://www.site.org/html;mk=mv?k=v#f * @param {?} s * @return {?} */ export function encodeUriFragment(s) { return encodeURI(s); } /** * This function should be run on any URI segment as well as the key and value in a key/value * pair for matrix params. In the following URL, you need to call encodeUriSegment on "html", * "mk", and "mv": * * http://www.site.org/html;mk=mv?k=v#f * @param {?} s * @return {?} */ export function encodeUriSegment(s) { return encodeUriString(s).replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/%26/gi, '&'); } /** * @param {?} s * @return {?} */ export function decode(s) { return decodeURIComponent(s); } /** * @param {?} s * @return {?} */ export function decodeQuery(s) { return decode(s.replace(/\+/g, '%20')); } /** * @param {?} path * @return {?} */ export function serializePath(path) { return `${encodeUriSegment(path.path)}${serializeMatrixParams(path.parameters)}`; } /** * @param {?} params * @return {?} */ function serializeMatrixParams(params) { return Object.keys(params) .map(key => `;${encodeUriSegment(key)}=${encodeUriSegment(params[key])}`) .join(''); } /** * @param {?} params * @return {?} */ function serializeQueryParams(params) { /** @type {?} */ const strParams = Object.keys(params).map((name) => { /** @type {?} */ const value = params[name]; return Array.isArray(value) ? value.map(v => `${encodeUriQuery(name)}=${encodeUriQuery(v)}`).join('&') : `${encodeUriQuery(name)}=${encodeUriQuery(value)}`; }); return strParams.length ? `?${strParams.join("&")}` : ''; } /** @type {?} */ const SEGMENT_RE = /^[^\/()?;=#]+/; /** * @param {?} str * @return {?} */ function matchSegments(str) { /** @type {?} */ const match = str.match(SEGMENT_RE); return match ? match[0] : ''; } /** @type {?} */ const QUERY_PARAM_RE = /^[^=?&#]+/; /** * @param {?} str * @return {?} */ function matchQueryParams(str) { /** @type {?} */ const match = str.match(QUERY_PARAM_RE); return match ? match[0] : ''; } /** @type {?} */ const QUERY_PARAM_VALUE_RE = /^[^?&#]+/; /** * @param {?} str * @return {?} */ function matchUrlQueryParamValue(str) { /** @type {?} */ const match = str.match(QUERY_PARAM_VALUE_RE); return match ? match[0] : ''; } class UrlParser { /** * @param {?} url */ constructor(url) { this.url = url; this.remaining = url; } /** * @return {?} */ parseRootSegment() { this.consumeOptional('/'); if (this.remaining === '' || this.peekStartsWith('?') || this.peekStartsWith('#')) { return new UrlSegmentGroup([], {}); } // The root segment group never has segments return new UrlSegmentGroup([], this.parseChildren()); } /** * @return {?} */ parseQueryParams() { /** @type {?} */ const params = {}; if (this.consumeOptional('?')) { do { this.parseQueryParam(params); } while (this.consumeOptional('&')); } return params; } /** * @return {?} */ parseFragment() { return this.consumeOptional('#') ? decodeURIComponent(this.remaining) : null; } /** * @return {?} */ parseChildren() { if (this.remaining === '') { return {}; } this.consumeOptional('/'); /** @type {?} */ const segments = []; if (!this.peekStartsWith('(')) { segments.push(this.parseSegment()); } while (this.peekStartsWith('/') && !this.peekStartsWith('//') && !this.peekStartsWith('/(')) { this.capture('/'); segments.push(this.parseSegment()); } /** @type {?} */ let children = {}; if (this.peekStartsWith('/(')) { this.capture('/'); children = this.parseParens(true); } /** @type {?} */ let res = {}; if (this.peekStartsWith('(')) { res = this.parseParens(false); } if (segments.length > 0 || Object.keys(children).length > 0) { res[PRIMARY_OUTLET] = new UrlSegmentGroup(segments, children); } return res; } /** * @return {?} */ parseSegment() { /** @type {?} */ const path = matchSegments(this.remaining); if (path === '' && this.peekStartsWith(';')) { throw new Error(`Empty path url segment cannot have parameters: '${this.remaining}'.`); } this.capture(path); return new UrlSegment(decode(path), this.parseMatrixParams()); } /** * @return {?} */ parseMatrixParams() { /** @type {?} */ const params = {}; while (this.consumeOptional(';')) { this.parseParam(params); } return params; } /** * @param {?} params * @return {?} */ parseParam(params) { /** @type {?} */ const key = matchSegments(this.remaining); if (!key) { return; } this.capture(key); /** @type {?} */ let value = ''; if (this.consumeOptional('=')) { /** @type {?} */ const valueMatch = matchSegments(this.remaining); if (valueMatch) { value = valueMatch; this.capture(value); } } params[decode(key)] = decode(value); } /** * @param {?} params * @return {?} */ parseQueryParam(params) { /** @type {?} */ const key = matchQueryParams(this.remaining); if (!key) { return; } this.capture(key); /** @type {?} */ let value = ''; if (this.consumeOptional('=')) { /** @type {?} */ const valueMatch = matchUrlQueryParamValue(this.remaining); if (valueMatch) { value = valueMatch; this.capture(value); } } /** @type {?} */ const decodedKey = decodeQuery(key); /** @type {?} */ const decodedVal = decodeQuery(value); if (params.hasOwnProperty(decodedKey)) { /** @type {?} */ let currentVal = params[decodedKey]; if (!Array.isArray(currentVal)) { currentVal = [currentVal]; params[decodedKey] = currentVal; } currentVal.push(decodedVal); } else { // Create a new value params[decodedKey] = decodedVal; } } /** * @param {?} allowPrimary * @return {?} */ parseParens(allowPrimary) { /** @type {?} */ const segments = {}; this.capture('('); while (!this.consumeOptional(')') && this.remaining.length > 0) { /** @type {?} */ const path = matchSegments(this.remaining); /** @type {?} */ const next = this.remaining[path.length]; // if is is not one of these characters, then the segment was unescaped // or the group was not closed if (next !== '/' && next !== ')' && next !== ';') { throw new Error(`Cannot parse url '${this.url}'`); } /** @type {?} */ let outletName = /** @type {?} */ ((undefined)); if (path.indexOf(':') > -1) { outletName = path.substr(0, path.indexOf(':')); this.capture(outletName); this.capture(':'); } else if (allowPrimary) { outletName = PRIMARY_OUTLET; } /** @type {?} */ const children = this.parseChildren(); segments[outletName] = Object.keys(children).length === 1 ? children[PRIMARY_OUTLET] : new UrlSegmentGroup([], children); this.consumeOptional('//'); } return segments; } /** * @param {?} str * @return {?} */ peekStartsWith(str) { return this.remaining.startsWith(str); } /** * @param {?} str * @return {?} */ consumeOptional(str) { if (this.peekStartsWith(str)) { this.remaining = this.remaining.substring(str.length); return true; } return false; } /** * @param {?} str * @return {?} */ capture(str) { if (!this.consumeOptional(str)) { throw new Error(`Expected "${str}".`); } } } if (false) { /** @type {?} */ UrlParser.prototype.remaining; /** @type {?} */ UrlParser.prototype.url; } //# 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All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {PRIMARY_OUTLET, ParamMap, Params, convertToParamMap} from './shared';\nimport {forEach, shallowEqual} from './utils/collection';\n\nexport function createEmptyUrlTree() {\n  return new UrlTree(new UrlSegmentGroup([], {}), {}, null);\n}\n\nexport function containsTree(container: UrlTree, containee: UrlTree, exact: boolean): boolean {\n  if (exact) {\n    return equalQueryParams(container.queryParams, containee.queryParams) &&\n        equalSegmentGroups(container.root, containee.root);\n  }\n\n  return containsQueryParams(container.queryParams, containee.queryParams) &&\n      containsSegmentGroup(container.root, containee.root);\n}\n\nfunction equalQueryParams(container: Params, containee: Params): boolean {\n  // TODO: This does not handle array params correctly.\n  return shallowEqual(container, containee);\n}\n\nfunction equalSegmentGroups(container: UrlSegmentGroup, containee: UrlSegmentGroup): boolean {\n  if (!equalPath(container.segments, containee.segments)) return false;\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])) return false;\n  }\n  return true;\n}\n\nfunction containsQueryParams(container: Params, containee: Params): boolean {\n  // TODO: This does not handle array params correctly.\n  return Object.keys(containee).length <= Object.keys(container).length &&\n      Object.keys(containee).every(key => containee[key] === container[key]);\n}\n\nfunction containsSegmentGroup(container: UrlSegmentGroup, containee: UrlSegmentGroup): boolean {\n  return containsSegmentGroupHelper(container, containee, containee.segments);\n}\n\nfunction containsSegmentGroupHelper(\n    container: UrlSegmentGroup, containee: UrlSegmentGroup, containeePaths: UrlSegment[]): boolean {\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    return true;\n\n  } else if (container.segments.length === containeePaths.length) {\n    if (!equalPath(container.segments, containeePaths)) 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])) return false;\n    }\n    return true;\n\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 (!container.children[PRIMARY_OUTLET]) return false;\n    return containsSegmentGroupHelper(container.children[PRIMARY_OUTLET], containee, next);\n  }\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 * ```\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 */\nexport class UrlTree {\n  /** @internal */\n  // TODO(issue/24571): remove '!'.\n  _queryParamMap !: ParamMap;\n\n  /** @internal */\n  constructor(\n      /** The root segment group of the URL tree */\n      public root: UrlSegmentGroup,\n      /** The query params of the URL */\n      public queryParams: Params,\n      /** The fragment of the URL */\n      public fragment: string|null) {}\n\n  get queryParamMap(): ParamMap {\n    if (!this._queryParamMap) {\n      this._queryParamMap = convertToParamMap(this.queryParams);\n    }\n    return this._queryParamMap;\n  }\n\n  /** @docsNotRequired */\n  toString(): string { 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 */\nexport class UrlSegmentGroup {\n  /** @internal */\n  // TODO(issue/24571): remove '!'.\n  _sourceSegment !: UrlSegmentGroup;\n  /** @internal */\n  // TODO(issue/24571): remove '!'.\n  _segmentIndexShift !: number;\n  /** The parent node in the url tree */\n  parent: UrlSegmentGroup|null = null;\n\n  constructor(\n      /** The URL segments of this group. See `UrlSegment` for more information */\n      public segments: UrlSegment[],\n      /** The list of children of this group */\n      public children: {[key: string]: UrlSegmentGroup}) {\n    forEach(children, (v: any, k: any) => v.parent = this);\n  }\n\n  /** Whether the segment has child segments */\n  hasChildren(): boolean { return this.numberOfChildren > 0; }\n\n  /** Number of child segments */\n  get numberOfChildren(): number { return Object.keys(this.children).length; }\n\n  /** @docsNotRequired */\n  toString(): string { return serializePaths(this); }\n}\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 * ```\n * @Component({templateUrl:'temp