feat(ajax): adds ajax methods from rx-dom.

package.json

@@ -107,6 +107,7 @@
     "http-server": "0.8.0",
     "istanbul": "0.3.22",
     "jasmine": "2.4.1",
+    "jasmine-ajax": "^3.2.0",
     "jasmine-core": "2.4.1",
     "karma": "0.13.15",
     "karma-browserify": "4.4.2",

src/Observable.ts

@@ -161,6 +161,11 @@ export class Observable<T> implements CoreOperators<T>  {
     return this.source.subscribe(subscriber);
   }
 
+  static get: <T>(url: string | any) => Observable<any>;
+  static post: <T>(url: string | any, body?: any) => Observable<any>;
+  static ajax: <T>(options: string | any) => Observable<any>;
+  static getJSON: <T>(url: string | any) => Observable<any>;
+
   // static method stubs
   static ajax: AjaxCreationMethod;
   static bindCallback: typeof BoundCallbackObservable.create;

src/add/observable/dom/get.ts

@@ -0,0 +1,5 @@
+import {Observable} from '../../../Observable';
+import {get} from '../../../observable/dom/get';
+Observable.get = get;
+
+export var _void: void;

src/add/observable/dom/getJSON.ts

@@ -0,0 +1,5 @@
+import {Observable} from '../../../Observable';
+import {getJSON} from '../../../observable/dom/getJSON';
+Observable.getJSON = getJSON;
+
+export var _void: void;

src/add/observable/dom/post.ts

@@ -0,0 +1,5 @@
+import {Observable} from '../../../Observable';
+import {post} from '../../../observable/dom/post';
+Observable.post = post;
+
+export var _void: void;

src/observable/dom/get.ts

@@ -0,0 +1,12 @@
+import {Observable} from '../../Observable';
+import {AjaxObservable} from './ajax';
+
+function get(url: string | any): Observable<any>  {
+  if (typeof url === 'string') {
+    return new AjaxObservable({ url });
+  } else {
+    return new AjaxObservable(url);
+  }
+}
+
+export { AjaxObservable, get };

src/observable/dom/getJSON.ts

@@ -0,0 +1,12 @@
+import {root} from '../../util/root';
+import {Observable} from '../../Observable';
+import {AjaxObservable} from './ajax';
+
+function getJSON(url: string | any): Observable<any> {
+  if (!root.JSON && typeof root.JSON.parse !== 'function') {
+    throw new TypeError('JSON is not supported in your runtime.');
+  }
+  return new AjaxObservable({ url, emitType: 'json', responseType: 'json' });
+}
+
+export { AjaxObservable, getJSON };

src/observable/dom/post.ts

@@ -0,0 +1,13 @@
+import {Observable} from '../../Observable';
+import {AjaxObservable} from './ajax';
+
+function post(url: string | any, body?: any): Observable<any> {
+  if (typeof url === 'string') {
+    return new AjaxObservable({ url, body, method: 'POST' });
+  } else {
+    (<any> url).method = 'POST';
+    return new AjaxObservable((<any> url));
+  }
+}
+
+export { AjaxObservable, post };