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Draft: create url tree from ActivatedRouteSnapshot #45859

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atscott wants to merge 8 commits into from
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Draft: create url tree from ActivatedRouteSnapshot #45859

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ef511aa
handle unset _routerState
atscott Oct 29, 2021
67b591e
update recognize tests to assert paths against public values
atscott Oct 29, 2021
17cad8a
Create url tree without currentUrlTree
atscott Oct 30, 2021
ce8f633
fixup! Create url tree without currentUrlTree
atscott Mar 8, 2022
c629a06
fixup! Create url tree without currentUrlTree
atscott Mar 9, 2022
9207162
fixup! Create url tree without currentUrlTree
atscott Mar 22, 2022
28b2487
fixup! Create url tree without currentUrlTree
atscott Mar 22, 2022
6fdb775
fixup! Create url tree without currentUrlTree
atscott Apr 22, 2022
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fixup! Create url tree without currentUrlTree
  • Loading branch information
@atscott
atscott committed May 3, 2022
commit 6fdb775e1ad994fc013188be5eda51d55fc73c32
38 changes: 38 additions & 0 deletions packages/router/src/create_url_tree.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,48 @@
*/

import {squashSegmentGroup} from './apply_redirects';
import {ActivatedRouteSnapshot} from './router_state';
import {Params, PRIMARY_OUTLET} from './shared';
import {createRoot, UrlSegment, UrlSegmentGroup, UrlTree} from './url_tree';
import {forEach, last, shallowEqual} from './utils/collection';

/**
*
* @publicApi
* @param relativeTo
* @param commands
* @param queryParams
* @param fragment
* @returns
*/
export function createUrlTreeFromSnapshot(
relativeTo: ActivatedRouteSnapshot, commands: any[], queryParams: Params|null,
fragment: string|null): UrlTree {
const relativeToUrlSegmentGroup = createSegmentGroupFromRoute(relativeTo);
return createUrlTree(relativeToUrlSegmentGroup, commands, queryParams, fragment);
}

export function createSegmentGroupFromRoute(route: ActivatedRouteSnapshot): UrlSegmentGroup {
let targetGroup: UrlSegmentGroup|undefined;

function createSegmentGroupFromRouteRecursive(currentRoute: ActivatedRouteSnapshot) {
const childOutlets: {[outlet: string]: UrlSegmentGroup} = {};
for (const childSnapshot of currentRoute.children) {
const root = createSegmentGroupFromRouteRecursive(childSnapshot);
childOutlets[childSnapshot.outlet] = root;
}
const segmentGroup = new UrlSegmentGroup(currentRoute.url, childOutlets);
if (currentRoute === route) {
targetGroup = segmentGroup;
}
return segmentGroup;
}
const rootCandidate = createSegmentGroupFromRouteRecursive(route.root);
const rootSegmentGroup = createRoot(rootCandidate);

return targetGroup ?? rootSegmentGroup;
}

export function createUrlTree(
relativeTo: UrlSegmentGroup, commands: any[], queryParams: Params|null,
fragment: string|null): UrlTree {
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23 changes: 1 addition & 22 deletions packages/router/src/router.ts
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Expand Up @@ -12,7 +12,7 @@ import {BehaviorSubject, combineLatest, EMPTY, Observable, of, Subject, Subscrip
import {catchError, defaultIfEmpty, filter, finalize, map, switchMap, take, tap} from 'rxjs/operators';

import {createRouterState} from './create_router_state';
import {createUrlTree} from './create_url_tree';
import {createSegmentGroupFromRoute, createUrlTree} from './create_url_tree';
import {Event, GuardsCheckEnd, GuardsCheckStart, NavigationCancel, NavigationEnd, NavigationError, NavigationStart, NavigationTrigger, ResolveEnd, ResolveStart, RouteConfigLoadEnd, RouteConfigLoadStart, RoutesRecognized} from './events';
import {QueryParamsHandling, Route, Routes} from './models';
import {activateRoutes} from './operators/activate_routes';
Expand Down Expand Up @@ -1574,24 +1574,3 @@ function validateCommands(commands: string[]): void {
function isBrowserTriggeredNavigation(source: 'imperative'|'popstate'|'hashchange') {
return source !== 'imperative';
}

function createSegmentGroupFromRoute(route: ActivatedRouteSnapshot): UrlSegmentGroup {
let targetGroup: UrlSegmentGroup|undefined;

function createSegmentGroupFromRouteRecursive(currentRoute: ActivatedRouteSnapshot) {
const childOutlets: {[outlet: string]: UrlSegmentGroup} = {};
for (const childSnapshot of currentRoute.children) {
const root = createSegmentGroupFromRouteRecursive(childSnapshot);
childOutlets[childSnapshot.outlet] = root;
}
const segmentGroup = new UrlSegmentGroup(currentRoute.url, childOutlets);
if (currentRoute === route) {
targetGroup = segmentGroup;
}
return segmentGroup;
}
const rootCandidate = createSegmentGroupFromRouteRecursive(route.root);
const rootSegmentGroup = createRoot(rootCandidate);

return targetGroup ?? rootSegmentGroup;
}