feat(change_detection): allow triggering CD form ChangeDetectorRef

mhevery · mhevery · commit 63e785902fbc · 2015-09-14T18:07:31.000Z
Closes #4144
diff --git a/modules/angular2/src/core/change_detection/change_detector_ref.ts b/modules/angular2/src/core/change_detection/change_detector_ref.ts
@@ -25,6 +25,8 @@ export class ChangeDetectorRef {
    */
   detach(): void { this._cd.mode = ChangeDetectionStrategy.Detached; }
 
+  detectChanges(): void { this._cd.detectChanges(); }
+
   /**
    * Reattach the change detector to the change detector tree.
    *
diff --git a/modules/angular2/test/core/change_detection/change_detector_ref_spec.ts b/modules/angular2/test/core/change_detection/change_detector_ref_spec.ts
@@ -0,0 +1,28 @@
+import {
+  ddescribe,
+  describe,
+  it,
+  iit,
+  xit,
+  expect,
+  beforeEach,
+  afterEach,
+  tick,
+  fakeAsync
+} from 'angular2/test_lib';
+
+import {ChangeDetectorRef} from 'angular2/src/core/change_detection/change_detector_ref';
+import {SpyChangeDetector} from '../spies';
+
+
+export function main() {
+  describe('ChangeDetectorRef', () => {
+    it('should delegate detectChanges()', () => {
+      var changeDetector = new SpyChangeDetector();
+      changeDetector.spy('detectChanges');
+      var changeDetectorRef = new ChangeDetectorRef(<any>changeDetector);
+      changeDetectorRef.detectChanges();
+      expect(changeDetector.spy('detectChanges')).toHaveBeenCalled();
+    });
+  });
+}

Original file line number	Diff line number	Diff line change
`@@ -25,6 +25,8 @@ export class ChangeDetectorRef {`
`25`	`25`	`*/`
`26`	`26`	`detach(): void { this._cd.mode = ChangeDetectionStrategy.Detached; }`
`27`	`27`
	`28`	`+ detectChanges(): void { this._cd.detectChanges(); }`
	`29`	`+`
`28`	`30`	`/**`
`29`	`31`	`* Reattach the change detector to the change detector tree.`
`30`	`32`	`*`