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fix(router): freeze params and queryParams to prevent common source of bugs

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This commit is contained in:
vsavkin
2016-07-14 13:33:05 -07:00
parent 44ff005ce3
commit 0668ba50e8
2 changed files with 18 additions and 4 deletions
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8
modules/@angular/router/src/recognize.ts
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@ -44,10 +44,10 @@ export function recognize(rootComponentType: Type, config: Routes, urlTree: UrlT
const children =
processSegment(config, urlTree.root, InheritedFromParent.empty(null), PRIMARY_OUTLET);
const root = new ActivatedRouteSnapshot(
[], {}, {}, PRIMARY_OUTLET, rootComponentType, null, urlTree.root, -1,
[], Object.freeze({}), {}, PRIMARY_OUTLET, rootComponentType, null, urlTree.root, -1,
InheritedResolve.empty);
const rootNode = new TreeNode<ActivatedRouteSnapshot>(root, children);
return of (new RouterStateSnapshot(url, rootNode, urlTree.queryParams, urlTree.fragment));
return of (new RouterStateSnapshot(url, rootNode, Object.freeze(urlTree.queryParams), urlTree.fragment));
} catch (e) {
if (e instanceof NoMatch) {
return new Observable<RouterStateSnapshot>(
@ -113,7 +113,7 @@ function processPathsWithParamsAgainstRoute(
if (route.path === '**') {
const params = paths.length > 0 ? last(paths).parameters : {};
const snapshot = new ActivatedRouteSnapshot(
paths, merge(inherited.allParams, params), merge(inherited.allData, getData(route)), outlet,
paths, Object.freeze(merge(inherited.allParams, params)), merge(inherited.allData, getData(route)), outlet,
route.component, route, getSourceSegment(rawSegment), getPathIndexShift(rawSegment) - 1,
newInheritedResolve);
return [new TreeNode<ActivatedRouteSnapshot>(snapshot, [])];
@ -127,7 +127,7 @@ function processPathsWithParamsAgainstRoute(
const {segment, slicedPath} = split(rawSegment, consumedPaths, rawSlicedPath, childConfig);
const snapshot = new ActivatedRouteSnapshot(
consumedPaths, merge(inherited.allParams, parameters),
consumedPaths, Object.freeze(merge(inherited.allParams, parameters)),
merge(inherited.allData, getData(route)), outlet, route.component, route,
getSourceSegment(rawSegment), getPathIndexShift(rawSegment) + pathIndex + lastChild - 1,
newInheritedResolve);