feat(animations): provide support for offline compilation

modules/@angular/compiler-cli/integrationtest/src/animate.ts

@@ -0,0 +1,34 @@
+import {Component, trigger, state, animate, transition, style} from '@angular/core';
+
+@Component({
+  selector: "animate-cmp",
+  animations: [
+    trigger('openClose', [
+      state('closed, void',
+        style({ height:"0px", color: "maroon", borderColor: "maroon" })),
+      state('open',
+        style({ height:"*", borderColor:"green", color:"green" })),
+      transition("* => *", animate(500))
+    ])
+  ],
+  template: `
+    <button (click)="setAsOpen()">Open</button>
+    <button (click)="setAsClosed()">Closed</button>
+    <hr />
+    <div @openClose="stateExpression">
+      Look at this box
+    </div>
+  `
+})
+export class AnimateCmp {
+  stateExpression:string;
+  constructor() {
+    this.setAsClosed();
+  }
+  setAsOpen() {
+    this.stateExpression = 'open';
+  }
+  setAsClosed() {
+    this.stateExpression = 'closed';
+  }
+}