refactor(router): remove unused Pipeline

modules/angular1_router/build.js

@@ -75,7 +75,7 @@ function main() {
       "}",
     "});",
 
-    "var router = new RootRouter(registry, undefined, location, new Object());",
+    "var router = new RootRouter(registry, location, new Object());",
     "$rootScope.$watch(function () { return $location.path(); }, function (path) {",
       "if (router.lastNavigationAttempt !== path) {",
         "router.navigateByUrl(path);",

modules/angular2/router.ts

@@ -14,7 +14,6 @@ export {LocationStrategy} from './src/router/location_strategy';
 export {HashLocationStrategy} from './src/router/hash_location_strategy';
 export {PathLocationStrategy} from './src/router/path_location_strategy';
 export {Location, APP_BASE_HREF} from './src/router/location';
-export {Pipeline} from './src/router/pipeline';
 export * from './src/router/route_config_decorator';
 export * from './src/router/route_definition';
 export {OnActivate, OnDeactivate, OnReuse, CanDeactivate, CanReuse} from './src/router/interfaces';
@@ -30,7 +29,6 @@ import {Router, RootRouter} from './src/router/router';
 import {RouterOutlet} from './src/router/router_outlet';
 import {RouterLink} from './src/router/router_link';
 import {RouteRegistry} from './src/router/route_registry';
-import {Pipeline} from './src/router/pipeline';
 import {Location} from './src/router/location';
 import {APP_COMPONENT} from './src/core/application_tokens';
 import {Binding} from './core';
@@ -62,17 +60,13 @@ export const ROUTER_DIRECTIVES: any[] = CONST_EXPR([RouterOutlet, RouterLink]);
  */
 export const ROUTER_BINDINGS: any[] = CONST_EXPR([
   RouteRegistry,
-  Pipeline,
   CONST_EXPR(new Binding(LocationStrategy, {toClass: PathLocationStrategy})),
   Location,
-  CONST_EXPR(
-      new Binding(Router,
-                  {
-                    toFactory: routerFactory,
-                    deps: CONST_EXPR([RouteRegistry, Pipeline, Location, APP_COMPONENT])
-                  }))
+  CONST_EXPR(new Binding(
+      Router,
+      {toFactory: routerFactory, deps: CONST_EXPR([RouteRegistry, Location, APP_COMPONENT])}))
 ]);
 
-function routerFactory(registry, pipeline, location, appRoot) {
-  return new RootRouter(registry, pipeline, location, appRoot);
+function routerFactory(registry, location, appRoot) {
+  return new RootRouter(registry, location, appRoot);
 }

modules/angular2/src/router/pipeline.ts

@@ -1,30 +0,0 @@
-import {Promise, PromiseWrapper} from 'angular2/src/core/facade/async';
-import {ListWrapper} from 'angular2/src/core/facade/collection';
-import {Instruction} from './instruction';
-import {Injectable} from 'angular2/src/core/di';
-
-/**
- * Responsible for performing each step of navigation.
- * "Steps" are conceptually similar to "middleware"
- */
-@Injectable()
-export class Pipeline {
-  steps: Function[];
-
-  constructor() { this.steps = [instruction => instruction.router.activateOutlets(instruction)]; }
-
-  process(instruction: Instruction): Promise<any> {
-    var steps = this.steps, currentStep = 0;
-
-    function processOne(result: any = true): Promise<any> {
-      if (currentStep >= steps.length) {
-        return PromiseWrapper.resolve(result);
-      }
-      var step = steps[currentStep];
-      currentStep += 1;
-      return PromiseWrapper.resolve(step(instruction)).then(processOne);
-    }
-
-    return processOne();
-  }
-}

modules/angular2/src/router/router.ts

@@ -15,7 +15,6 @@ import {
 } from 'angular2/src/core/facade/lang';
 import {BaseException, WrappedException} from 'angular2/src/core/facade/exceptions';
 import {RouteRegistry} from './route_registry';
-import {Pipeline} from './pipeline';
 import {ComponentInstruction, Instruction, stringifyInstruction} from './instruction';
 import {RouterOutlet} from './router_outlet';
 import {Location} from './location';
@@ -57,8 +56,7 @@ export class Router {
   private _subject: EventEmitter = new EventEmitter();
 
 
-  constructor(public registry: RouteRegistry, public _pipeline: Pipeline, public parent: Router,
-              public hostComponent: any) {}
+  constructor(public registry: RouteRegistry, public parent: Router, public hostComponent: any) {}
 
 
   /**
@@ -459,9 +457,8 @@ export class Router {
 export class RootRouter extends Router {
   _location: Location;
 
-  constructor(registry: RouteRegistry, pipeline: Pipeline, location: Location,
-              hostComponent: Type) {
-    super(registry, pipeline, null, hostComponent);
+  constructor(registry: RouteRegistry, location: Location, hostComponent: Type) {
+    super(registry, null, hostComponent);
     this._location = location;
     this._location.subscribe((change) =>
                                  this.navigateByUrl(change['url'], isPresent(change['pop'])));
@@ -485,7 +482,7 @@ export class RootRouter extends Router {
 
 class ChildRouter extends Router {
   constructor(parent: Router, hostComponent) {
-    super(parent.registry, parent._pipeline, parent, hostComponent);
+    super(parent.registry, parent, hostComponent);
     this.parent = parent;
   }
 

modules/angular2/test/router/integration/lifecycle_hook_spec.ts

@@ -26,7 +26,6 @@ import {
 } from 'angular2/src/core/facade/async';
 
 import {RootRouter} from 'angular2/src/router/router';
-import {Pipeline} from 'angular2/src/router/pipeline';
 import {Router, RouterOutlet, RouterLink, RouteParams, ROUTE_DATA} from 'angular2/router';
 import {
   RouteConfig,
@@ -63,14 +62,12 @@ export function main() {
     var rtr;
 
     beforeEachBindings(() => [
-      Pipeline,
       RouteRegistry,
       DirectiveResolver,
       bind(Location).toClass(SpyLocation),
       bind(Router)
-          .toFactory((registry, pipeline,
-                      location) => { return new RootRouter(registry, pipeline, location, MyComp); },
-                     [RouteRegistry, Pipeline, Location])
+          .toFactory((registry, location) => { return new RootRouter(registry, location, MyComp); },
+                     [RouteRegistry, Location])
     ]);
 
     beforeEach(inject([TestComponentBuilder, Router], (tcBuilder, router) => {

modules/angular2/test/router/integration/navigation_spec.ts

@@ -20,7 +20,6 @@ import {CONST, NumberWrapper, isPresent, Json} from 'angular2/src/core/facade/la
 import {Promise, PromiseWrapper} from 'angular2/src/core/facade/async';
 
 import {RootRouter} from 'angular2/src/router/router';
-import {Pipeline} from 'angular2/src/router/pipeline';
 import {Router, RouterOutlet, RouterLink, RouteParams, ROUTE_DATA} from 'angular2/router';
 import {
   RouteConfig,
@@ -47,14 +46,12 @@ export function main() {
     var rtr;
 
     beforeEachBindings(() => [
-      Pipeline,
       RouteRegistry,
       DirectiveResolver,
       bind(Location).toClass(SpyLocation),
       bind(Router)
-          .toFactory((registry, pipeline,
-                      location) => { return new RootRouter(registry, pipeline, location, MyComp); },
-                     [RouteRegistry, Pipeline, Location])
+          .toFactory((registry, location) => { return new RootRouter(registry, location, MyComp); },
+                     [RouteRegistry, Location])
     ]);
 
     beforeEach(inject([TestComponentBuilder, Router], (tcBuilder, router) => {

modules/angular2/test/router/integration/router_link_spec.ts

@@ -28,7 +28,6 @@ import {
   Router,
   RootRouter,
   RouteRegistry,
-  Pipeline,
   RouterLink,
   RouterOutlet,
   AsyncRoute,
@@ -47,14 +46,12 @@ export function main() {
     var router, location;
 
     beforeEachBindings(() => [
-      Pipeline,
       RouteRegistry,
       DirectiveResolver,
       bind(Location).toClass(SpyLocation),
       bind(Router)
-          .toFactory((registry, pipeline,
-                      location) => { return new RootRouter(registry, pipeline, location, MyComp); },
-                     [RouteRegistry, Pipeline, Location])
+          .toFactory((registry, location) => { return new RootRouter(registry, location, MyComp); },
+                     [RouteRegistry, Location])
     ]);
 
     beforeEach(inject([TestComponentBuilder, Router, Location], (tcBuilder, rtr, loc) => {

modules/angular2/test/router/router_link_spec.ts

@@ -24,7 +24,6 @@ import {
   Router,
   RootRouter,
   RouteRegistry,
-  Pipeline,
   RouterLink,
   RouterOutlet,
   Route,

modules/angular2/test/router/router_spec.ts

@@ -16,7 +16,6 @@ import {Promise, PromiseWrapper, ObservableWrapper} from 'angular2/src/core/faca
 import {ListWrapper} from 'angular2/src/core/facade/collection';
 
 import {Router, RootRouter} from 'angular2/src/router/router';
-import {Pipeline} from 'angular2/src/router/pipeline';
 import {SpyLocation} from 'angular2/src/mock/location_mock';
 import {Location} from 'angular2/src/router/location';
 import {stringifyInstruction} from 'angular2/src/router/instruction';
@@ -32,14 +31,12 @@ export function main() {
     var router, location;
 
     beforeEachBindings(() => [
-      Pipeline,
       RouteRegistry,
       DirectiveResolver,
       bind(Location).toClass(SpyLocation),
       bind(Router)
-          .toFactory((registry, pipeline,
-                      location) => { return new RootRouter(registry, pipeline, location, AppCmp); },
-                     [RouteRegistry, Pipeline, Location])
+          .toFactory((registry, location) => { return new RootRouter(registry, location, AppCmp); },
+                     [RouteRegistry, Location])
     ]);