refactor(core): correct typing when getting the Nearest LContainer (angular#44087)

josephperrott · atscott · commit 2c269c390a15 · 2021-11-05T21:31:49.000Z
Updating the casted typings of `getNearestLContainer` to ensure that typescript properly returns the LContainer | null type. PR Close angular#44087
diff --git a/packages/core/src/render3/util/view_traversal_utils.ts b/packages/core/src/render3/util/view_traversal_utils.ts
@@ -74,5 +74,5 @@ function getNearestLContainer(viewOrContainer: LContainer|LView|null) {
   while (viewOrContainer !== null && !isLContainer(viewOrContainer)) {
     viewOrContainer = viewOrContainer[NEXT];
   }
-  return viewOrContainer;
+  return viewOrContainer as LContainer | null;
 }

Original file line number	Diff line number	Diff line change
`@@ -74,5 +74,5 @@ function getNearestLContainer(viewOrContainer: LContainer\|LView\|null) {`
`74`	`74`	`while (viewOrContainer !== null && !isLContainer(viewOrContainer)) {`
`75`	`75`	`viewOrContainer = viewOrContainer[NEXT];`
`76`	`76`	`}`
`77`		`- return viewOrContainer;`
	`77`	`+ return viewOrContainer as LContainer \| null;`
`78`	`78`	`}`