feat(build): require parameter types

Fixes #2833

modules/angular2/src/router/location.ts

@@ -72,7 +72,8 @@ export class Location {
 
   back(): void { this._platformStrategy.back(); }
 
-  subscribe(onNext, onThrow = null, onReturn = null): void {
+  subscribe(onNext: (value: any) => void, onThrow: (exception: any) => void = null,
+            onReturn: () => void = null): void {
     ObservableWrapper.subscribe(this._subject, onNext, onThrow, onReturn);
   }
 }

modules/angular2/src/router/location_strategy.ts

@@ -9,6 +9,6 @@ export class LocationStrategy {
   pushState(ctx: any, title: string, url: string): void { throw _abstract(); }
   forward(): void { throw _abstract(); }
   back(): void { throw _abstract(); }
-  onPopState(fn): void { throw _abstract(); }
+  onPopState(fn: (_) => any): void { throw _abstract(); }
   getBaseHref(): string { throw _abstract(); }
 }

modules/angular2/src/router/route_registry.ts

@@ -37,7 +37,7 @@ export class RouteRegistry {
   /**
    * Given a component and a configuration object, add the route to this registry
    */
-  config(parentComponent, config: RouteDefinition): void {
+  config(parentComponent: any, config: RouteDefinition): void {
     config = normalizeRouteConfig(config);
 
     var recognizer: RouteRecognizer = this._rules.get(parentComponent);
@@ -61,7 +61,7 @@ export class RouteRegistry {
   /**
    * Reads the annotations of a component and configures the registry based on them
    */
-  configFromComponent(component): void {
+  configFromComponent(component: any): void {
     if (!isType(component)) {
       return;
     }
@@ -88,7 +88,7 @@ export class RouteRegistry {
    * Given a URL and a parent component, return the most specific instruction for navigating
    * the application into the state specified by the url
    */
-  recognize(url: string, parentComponent): Promise<Instruction> {
+  recognize(url: string, parentComponent: any): Promise<Instruction> {
     var componentRecognizer = this._rules.get(parentComponent);
     if (isBlank(componentRecognizer)) {
       return PromiseWrapper.resolve(null);
@@ -142,7 +142,7 @@ export class RouteRegistry {
    * Given a normalized list with component names and params like: `['user', {id: 3 }]`
    * generates a url with a leading slash relative to the provided `parentComponent`.
    */
-  generate(linkParams: List<any>, parentComponent): string {
+  generate(linkParams: List<any>, parentComponent: any): string {
     let url = '';
     let componentCursor = parentComponent;
     for (let i = 0; i < linkParams.length; i += 1) {

modules/angular2/src/router/router.ts

@@ -196,7 +196,9 @@ export class Router {
   /**
    * Subscribe to URL updates from the router
    */
-  subscribe(onNext): void { ObservableWrapper.subscribe(this._subject, onNext); }
+  subscribe(onNext: (value: any) => void): void {
+    ObservableWrapper.subscribe(this._subject, onNext);
+  }
 
 
   /**
@@ -292,7 +294,7 @@ export class RootRouter extends Router {
     this.navigate(location.path());
   }
 
-  commit(instruction): Promise<any> {
+  commit(instruction: Instruction): Promise<any> {
     return super.commit(instruction)
         .then((_) => { this._location.go(instruction.accumulatedUrl); });
   }