fix(VirtualScroll): initialize trackByFn reference (#11624)

pluscubed · manucorporat · commit 892e14f3344b · 2017-05-20T01:19:23.000+02:00
* fix(VirtualScroll): initialize trackByFn reference

* fix(VirtualScroll): simplify fix for TrackByFn reference
diff --git a/src/components/virtual-scroll/virtual-scroll.ts b/src/components/virtual-scroll/virtual-scroll.ts
@@ -528,7 +528,7 @@ export class VirtualScroll implements DoCheck, AfterContentInit, OnDestroy {
   }
 
   private _updateDiffer() {
-    if (isBlank(this._differ) && isPresent(this._records)) {
+    if (isPresent(this._records)) {
       this._differ = this._iterableDiffers.find(this._records).create(this._virtualTrackBy);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -528,7 +528,7 @@ export class VirtualScroll implements DoCheck, AfterContentInit, OnDestroy {`
`528`	`528`	`}`
`529`	`529`
`530`	`530`	`private _updateDiffer() {`
`531`		`- if (isBlank(this._differ) && isPresent(this._records)) {`
	`531`	`+ if (isPresent(this._records)) {`
`532`	`532`	`this._differ = this._iterableDiffers.find(this._records).create(this._virtualTrackBy);`
`533`	`533`	`}`
`534`	`534`	`}`