-
Notifications
You must be signed in to change notification settings - Fork 25k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat(router): add UrlSegment, RouteSegment, and Tree
- Loading branch information
Showing
2 changed files
with
109 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,66 @@ | ||
import {ComponentFactory} from 'angular2/core'; | ||
import {StringMapWrapper, ListWrapper} from 'angular2/src/facade/collection'; | ||
import {Type, isBlank} from 'angular2/src/facade/lang'; | ||
|
||
export class Tree<T> { | ||
constructor(private _nodes: T[]) {} | ||
|
||
get root(): T { return this._nodes[0]; } | ||
|
||
parent(t: T): T { | ||
let index = this._nodes.indexOf(t); | ||
return index > 0 ? this._nodes[index - 1] : null; | ||
} | ||
|
||
children(t: T): T[] { | ||
let index = this._nodes.indexOf(t); | ||
return index > -1 && index < this._nodes.length - 1 ? [this._nodes[index + 1]] : []; | ||
} | ||
|
||
firstChild(t: T): T { | ||
let index = this._nodes.indexOf(t); | ||
return index > -1 && index < this._nodes.length - 1 ? this._nodes[index + 1] : null; | ||
} | ||
|
||
pathToRoot(t: T): T[] { | ||
let index = this._nodes.indexOf(t); | ||
return index > -1 ? this._nodes.slice(0, index + 1) : null; | ||
} | ||
} | ||
|
||
export class UrlSegment { | ||
constructor(public segment: string, public parameters: {[key: string]: string}, | ||
public outlet: string) {} | ||
} | ||
|
||
export class RouteSegment { | ||
/** @internal */ | ||
_type: Type; | ||
|
||
/** @internal */ | ||
_componentFactory: ComponentFactory; | ||
|
||
/** @internal */ | ||
_parameters: {[key: string]: string}; | ||
|
||
constructor(public urlSegments: UrlSegment[], parameters: {[key: string]: string}, | ||
public outlet: string, type: Type, componentFactory: ComponentFactory) { | ||
this._type = type; | ||
this._componentFactory = componentFactory; | ||
this._parameters = parameters; | ||
} | ||
|
||
getParam(param: string): string { return this._parameters[param]; } | ||
|
||
get type(): Type { return this._type; } | ||
} | ||
|
||
export function equalSegments(a: RouteSegment, b: RouteSegment): boolean { | ||
if (isBlank(a) && !isBlank(b)) return false; | ||
if (!isBlank(a) && isBlank(b)) return false; | ||
return a._type === b._type && StringMapWrapper.equals(a._parameters, b._parameters); | ||
} | ||
|
||
export function routeSegmentComponentFactory(a: RouteSegment): ComponentFactory { | ||
return a._componentFactory; | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,43 @@ | ||
import { | ||
ComponentFixture, | ||
AsyncTestCompleter, | ||
TestComponentBuilder, | ||
beforeEach, | ||
ddescribe, | ||
xdescribe, | ||
describe, | ||
el, | ||
expect, | ||
iit, | ||
inject, | ||
beforeEachProviders, | ||
it, | ||
xit | ||
} from 'angular2/testing_internal'; | ||
|
||
import {Tree} from 'angular2/src/alt_router/segments'; | ||
|
||
export function main() { | ||
describe('tree', () => { | ||
it("should return the root of the tree", () => { | ||
let t = new Tree<any>([1, 2, 3]); | ||
expect(t.root).toEqual(1); | ||
}); | ||
|
||
it("should return the parent of a node", () => { | ||
let t = new Tree<any>([1, 2, 3]); | ||
expect(t.parent(1)).toEqual(null); | ||
expect(t.parent(2)).toEqual(1); | ||
}); | ||
|
||
it("should return the children of a node", () => { | ||
let t = new Tree<any>([1, 2, 3]); | ||
expect(t.children(1)).toEqual([2]); | ||
}); | ||
|
||
it("should return the path to the root", () => { | ||
let t = new Tree<any>([1, 2, 3]); | ||
expect(t.pathToRoot(2)).toEqual([1, 2]); | ||
}); | ||
}); | ||
} |