1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | import { defaultUrlMatcher, PRIMARY_OUTLET } from '../shared';
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9 | import { UrlSegmentGroup } from '../url_tree';
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10 | import { forEach } from './collection';
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11 | import { getOutlet } from './config';
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12 | const noMatch = {
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13 | matched: false,
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14 | consumedSegments: [],
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15 | lastChild: 0,
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16 | parameters: {},
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17 | positionalParamSegments: {}
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18 | };
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19 | export function match(segmentGroup, route, segments) {
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20 | var _a;
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21 | if (route.path === '') {
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22 | if (route.pathMatch === 'full' && (segmentGroup.hasChildren() || segments.length > 0)) {
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23 | return Object.assign({}, noMatch);
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24 | }
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25 | return {
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26 | matched: true,
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27 | consumedSegments: [],
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28 | lastChild: 0,
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29 | parameters: {},
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30 | positionalParamSegments: {}
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31 | };
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32 | }
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33 | const matcher = route.matcher || defaultUrlMatcher;
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34 | const res = matcher(segments, segmentGroup, route);
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35 | if (!res)
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36 | return Object.assign({}, noMatch);
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37 | const posParams = {};
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38 | forEach(res.posParams, (v, k) => {
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39 | posParams[k] = v.path;
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40 | });
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41 | const parameters = res.consumed.length > 0 ? Object.assign(Object.assign({}, posParams), res.consumed[res.consumed.length - 1].parameters) :
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42 | posParams;
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43 | return {
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44 | matched: true,
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45 | consumedSegments: res.consumed,
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46 | lastChild: res.consumed.length,
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47 | // TODO(atscott): investigate combining parameters and positionalParamSegments
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48 | parameters,
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49 | positionalParamSegments: (_a = res.posParams) !== null && _a !== void 0 ? _a : {}
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50 | };
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51 | }
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52 | export function split(segmentGroup, consumedSegments, slicedSegments, config, relativeLinkResolution = 'corrected') {
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53 | if (slicedSegments.length > 0 &&
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54 | containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, config)) {
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55 | const s = new UrlSegmentGroup(consumedSegments, createChildrenForEmptyPaths(segmentGroup, consumedSegments, config, new UrlSegmentGroup(slicedSegments, segmentGroup.children)));
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56 | s._sourceSegment = segmentGroup;
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57 | s._segmentIndexShift = consumedSegments.length;
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58 | return { segmentGroup: s, slicedSegments: [] };
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59 | }
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60 | if (slicedSegments.length === 0 &&
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61 | containsEmptyPathMatches(segmentGroup, slicedSegments, config)) {
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62 | const s = new UrlSegmentGroup(segmentGroup.segments, addEmptyPathsToChildrenIfNeeded(segmentGroup, consumedSegments, slicedSegments, config, segmentGroup.children, relativeLinkResolution));
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63 | s._sourceSegment = segmentGroup;
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64 | s._segmentIndexShift = consumedSegments.length;
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65 | return { segmentGroup: s, slicedSegments };
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66 | }
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67 | const s = new UrlSegmentGroup(segmentGroup.segments, segmentGroup.children);
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68 | s._sourceSegment = segmentGroup;
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69 | s._segmentIndexShift = consumedSegments.length;
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70 | return { segmentGroup: s, slicedSegments };
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71 | }
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72 | function addEmptyPathsToChildrenIfNeeded(segmentGroup, consumedSegments, slicedSegments, routes, children, relativeLinkResolution) {
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73 | const res = {};
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74 | for (const r of routes) {
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75 | if (emptyPathMatch(segmentGroup, slicedSegments, r) && !children[getOutlet(r)]) {
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76 | const s = new UrlSegmentGroup([], {});
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77 | s._sourceSegment = segmentGroup;
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78 | if (relativeLinkResolution === 'legacy') {
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79 | s._segmentIndexShift = segmentGroup.segments.length;
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80 | }
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81 | else {
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82 | s._segmentIndexShift = consumedSegments.length;
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83 | }
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84 | res[getOutlet(r)] = s;
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85 | }
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86 | }
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87 | return Object.assign(Object.assign({}, children), res);
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88 | }
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89 | function createChildrenForEmptyPaths(segmentGroup, consumedSegments, routes, primarySegment) {
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90 | const res = {};
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91 | res[PRIMARY_OUTLET] = primarySegment;
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92 | primarySegment._sourceSegment = segmentGroup;
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93 | primarySegment._segmentIndexShift = consumedSegments.length;
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94 | for (const r of routes) {
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95 | if (r.path === '' && getOutlet(r) !== PRIMARY_OUTLET) {
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96 | const s = new UrlSegmentGroup([], {});
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97 | s._sourceSegment = segmentGroup;
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98 | s._segmentIndexShift = consumedSegments.length;
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99 | res[getOutlet(r)] = s;
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100 | }
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101 | }
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102 | return res;
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103 | }
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104 | function containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, routes) {
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105 | return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r) && getOutlet(r) !== PRIMARY_OUTLET);
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106 | }
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107 | function containsEmptyPathMatches(segmentGroup, slicedSegments, routes) {
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108 | return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r));
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109 | }
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110 | function emptyPathMatch(segmentGroup, slicedSegments, r) {
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111 | if ((segmentGroup.hasChildren() || slicedSegments.length > 0) && r.pathMatch === 'full') {
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112 | return false;
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113 | }
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114 | return r.path === '';
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115 | }
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116 | /**
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117 | * Determines if `route` is a path match for the `rawSegment`, `segments`, and `outlet` without
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118 | * verifying that its children are a full match for the remainder of the `rawSegment` children as
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119 | * well.
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120 | */
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121 | export function isImmediateMatch(route, rawSegment, segments, outlet) {
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122 | // We allow matches to empty paths when the outlets differ so we can match a url like `/(b:b)` to
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123 | // a config like
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124 | // * `{path: '', children: [{path: 'b', outlet: 'b'}]}`
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125 | // or even
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126 | // * `{path: '', outlet: 'a', children: [{path: 'b', outlet: 'b'}]`
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127 | //
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128 | // The exception here is when the segment outlet is for the primary outlet. This would
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129 | // result in a match inside the named outlet because all children there are written as primary
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130 | // outlets. So we need to prevent child named outlet matches in a url like `/b` in a config like
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131 | // * `{path: '', outlet: 'x' children: [{path: 'b'}]}`
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132 | // This should only match if the url is `/(x:b)`.
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133 | if (getOutlet(route) !== outlet &&
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134 | (outlet === PRIMARY_OUTLET || !emptyPathMatch(rawSegment, segments, route))) {
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135 | return false;
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136 | }
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137 | if (route.path === '**') {
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138 | return true;
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139 | }
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140 | return match(rawSegment, route, segments).matched;
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141 | }
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142 | export function noLeftoversInUrl(segmentGroup, segments, outlet) {
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143 | return segments.length === 0 && !segmentGroup.children[outlet];
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144 | }
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145 | //# 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* @license\n * Copyright Google LLC 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 {Route} from '../config';\nimport {defaultUrlMatcher, PRIMARY_OUTLET} from '../shared';\nimport {UrlSegment, UrlSegmentGroup} from '../url_tree';\n\nimport {forEach} from './collection';\nimport {getOutlet} from './config';\n\nexport interface MatchResult {\n  matched: boolean;\n  consumedSegments: UrlSegment[];\n  lastChild: number;\n  parameters: {[k: string]: string};\n  positionalParamSegments: {[k: string]: UrlSegment};\n}\n\nconst noMatch: MatchResult = {\n  matched: false,\n  consumedSegments: [],\n  lastChild: 0,\n  parameters: {},\n  positionalParamSegments: {}\n};\n\nexport function match(\n    segmentGroup: UrlSegmentGroup, route: Route, segments: UrlSegment[]): MatchResult {\n  if (route.path === '') {\n    if (route.pathMatch === 'full' && (segmentGroup.hasChildren() || segments.length > 0)) {\n      return {...noMatch};\n    }\n\n    return {\n      matched: true,\n      consumedSegments: [],\n      lastChild: 0,\n      parameters: {},\n      positionalParamSegments: {}\n    };\n  }\n\n  const matcher = route.matcher || defaultUrlMatcher;\n  const res = matcher(segments, segmentGroup, route);\n  if (!res) return {...noMatch};\n\n  const posParams: {[n: string]: string} = {};\n  forEach(res.posParams!, (v: UrlSegment, k: string) => {\n    posParams[k] = v.path;\n  });\n  const parameters = res.consumed.length > 0 ?\n      {...posParams, ...res.consumed[res.consumed.length - 1].parameters} :\n      posParams;\n\n  return {\n    matched: true,\n    consumedSegments: res.consumed,\n    lastChild: res.consumed.length,\n    // TODO(atscott): investigate combining parameters and positionalParamSegments\n    parameters,\n    positionalParamSegments: res.posParams ?? {}\n  };\n}\n\nexport function split(\n    segmentGroup: UrlSegmentGroup, consumedSegments: UrlSegment[], slicedSegments: UrlSegment[],\n    config: Route[], relativeLinkResolution: 'legacy'|'corrected' = 'corrected') {\n  if (slicedSegments.length > 0 &&\n      containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, config)) {\n    const s = new UrlSegmentGroup(\n        consumedSegments,\n        createChildrenForEmptyPaths(\n            segmentGroup, consumedSegments, config,\n            new UrlSegmentGroup(slicedSegments, segmentGroup.children)));\n    s._sourceSegment = segmentGroup;\n    s._segmentIndexShift = consumedSegments.length;\n    return {segmentGroup: s, slicedSegments: []};\n  }\n\n  if (slicedSegments.length === 0 &&\n      containsEmptyPathMatches(segmentGroup, slicedSegments, config)) {\n    const s = new UrlSegmentGroup(\n        segmentGroup.segments,\n        addEmptyPathsToChildrenIfNeeded(\n            segmentGroup, consumedSegments, slicedSegments, config, segmentGroup.children,\n            relativeLinkResolution));\n    s._sourceSegment = segmentGroup;\n    s._segmentIndexShift = consumedSegments.length;\n    return {segmentGroup: s, slicedSegments};\n  }\n\n  const s = new UrlSegmentGroup(segmentGroup.segments, segmentGroup.children);\n  s._sourceSegment = segmentGroup;\n  s._segmentIndexShift = consumedSegments.length;\n  return {segmentGroup: s, slicedSegments};\n}\n\nfunction addEmptyPathsToChildrenIfNeeded(\n    segmentGroup: UrlSegmentGroup, consumedSegments: UrlSegment[], slicedSegments: UrlSegment[],\n    routes: Route[], children: {[name: string]: UrlSegmentGroup},\n    relativeLinkResolution: 'legacy'|'corrected'): {[name: string]: UrlSegmentGroup} {\n  const res: {[name: string]: UrlSegmentGroup} = {};\n  for (const r of routes) {\n    if (emptyPathMatch(segmentGroup, slicedSegments, r) && !children[getOutlet(r)]) {\n      const s = new UrlSegmentGroup([], {});\n      s._sourceSegment = segmentGroup;\n      if (relativeLinkResolution === 'legacy') {\n        s._segmentIndexShift = segmentGroup.segments.length;\n      } else {\n        s._segmentIndexShift = consumedSegments.length;\n      }\n      res[getOutlet(r)] = s;\n    }\n  }\n  return {...children, ...res};\n}\n\nfunction createChildrenForEmptyPaths(\n    segmentGroup: UrlSegmentGroup, consumedSegments: UrlSegment[], routes: Route[],\n    primarySegment: UrlSegmentGroup): {[name: string]: UrlSegmentGroup} {\n  const res: {[name: string]: UrlSegmentGroup} = {};\n  res[PRIMARY_OUTLET] = primarySegment;\n  primarySegment._sourceSegment = segmentGroup;\n  primarySegment._segmentIndexShift = consumedSegments.length;\n\n  for (const r of routes) {\n    if (r.path === '' && getOutlet(r) !== PRIMARY_OUTLET) {\n      const s = new UrlSegmentGroup([], {});\n      s._sourceSegment = segmentGroup;\n      s._segmentIndexShift = consumedSegments.length;\n      res[getOutlet(r)] = s;\n    }\n  }\n  return res;\n}\n\nfunction containsEmptyPathMatchesWithNamedOutlets(\n    segmentGroup: UrlSegmentGroup, slicedSegments: UrlSegment[], routes: Route[]): boolean {\n  return routes.some(\n      r => emptyPathMatch(segmentGroup, slicedSegments, r) && getOutlet(r) !== PRIMARY_OUTLET);\n}\n\nfunction containsEmptyPathMatches(\n    segmentGroup: UrlSegmentGroup, slicedSegments: UrlSegment[], routes: Route[]): boolean {\n  return routes.some(r => emptyPathMatch(segmentGroup, slicedSegments, r));\n}\n\nfunction emptyPathMatch(\n    segmentGroup: UrlSegmentGroup, slicedSegments: UrlSegment[], r: Route): boolean {\n  if ((segmentGroup.hasChildren() || slicedSegments.length > 0) && r.pathMatch === 'full') {\n    return false;\n  }\n\n  return r.path === '';\n}\n\n/**\n * Determines if `route` is a path match for the `rawSegment`, `segments`, and `outlet` without\n * verifying that its children are a full match for the remainder of the `rawSegment` children as\n * well.\n */\nexport function isImmediateMatch(\n    route: Route, rawSegment: UrlSegmentGroup, segments: UrlSegment[], outlet: string): boolean {\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 &&\n      (outlet === PRIMARY_OUTLET || !emptyPathMatch(rawSegment, segments, route))) {\n    return false;\n  }\n  if (route.path === '**') {\n    return true;\n  }\n  return match(rawSegment, route, segments).matched;\n}\n\nexport function noLeftoversInUrl(\n    segmentGroup: UrlSegmentGroup, segments: UrlSegment[], outlet: string): boolean {\n  return segments.length === 0 && !segmentGroup.children[outlet];\n}\n"]} |
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