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fix(ivy): properly insert views in front of empty views (#33647) 

PR Close #33647
This commit is contained in:
Pawel Kozlowski 2019-11-07 11:25:26 +01:00 committed by Kara Erickson
parent 056236cafd
commit 05d7c575e4
2 changed files with 9 additions and 12 deletions
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7
packages/core/src/render3/node_manipulation.ts
View File

@ -671,7 +671,12 @@ function getFirstNativeNode(lView: LView, tNode: TNode | null): RNode|null {
const lContainer = lView[tNode.index]; const lContainer = lView[tNode.index];
if (lContainer.length > CONTAINER_HEADER_OFFSET) { if (lContainer.length > CONTAINER_HEADER_OFFSET) {
const firstView = lContainer[CONTAINER_HEADER_OFFSET]; const firstView = lContainer[CONTAINER_HEADER_OFFSET];
return getFirstNativeNode(firstView, firstView[TVIEW].firstChild); const firstTNodeOfView = firstView[TVIEW].firstChild;
if (firstTNodeOfView !== null) {
return getFirstNativeNode(firstView, firstTNodeOfView);
} else {
return lContainer[NATIVE];
}
} else { } else {
return lContainer[NATIVE]; return lContainer[NATIVE];
} }

14
packages/core/test/acceptance/view_insertion_spec.ts
View File

@ -263,15 +263,7 @@ describe('view insertion', () => {
} }
describe('before embedded view', () => { describe('before embedded view', () => {
@Component({ @Component({selector: 'test-cmpt', template: ''})
selector: 'test-cmpt',
template: `
<ng-template #insert>insert</ng-template>
<ng-template #before>|before</ng-template>
<div><ng-template #vi="vi" viewInserting></ng-template></div>
`
})
class TestCmpt { class TestCmpt {
@ViewChild('before', {static: true}) beforeTpl !: TemplateRef<{}>; @ViewChild('before', {static: true}) beforeTpl !: TemplateRef<{}>;
@ViewChild('insert', {static: true}) insertTpl !: TemplateRef<{}>; @ViewChild('insert', {static: true}) insertTpl !: TemplateRef<{}>;
@ -348,8 +340,8 @@ describe('view insertion', () => {
}); });
it('should insert before a view with an empty container as the first root node', () => { it('should insert before a view with an empty container as the first root node', () => {
expect(createAndInsertViews(`<ng-template [ngIf]="true"></ng-template>`).textContent) expect(createAndInsertViews(`<ng-template [ngIf]="true"></ng-template>|before`).textContent)
.toBe('insert'); .toBe('insert|before');
}); });