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fix(ivy): init hooks being re-run if an exception is throw (#28024)

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Fixes Ivy running the init hooks if an exception is thrown in one of them.

These changes fix FW-830.

PR Close #28024
This commit is contained in:
Kristiyan Kostadinov 2019-01-09 21:28:38 +01:00 committed by Andrew Kushnir
parent 3bafc002ae
commit a6ba789599
2 changed files with 30 additions and 29 deletions
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3
packages/core/src/render3/state.ts
View File

@ -319,11 +319,14 @@ export function leaveView(newView: LView): void {
if (isCreationMode(lView)) { if (isCreationMode(lView)) {
lView[FLAGS] &= ~LViewFlags.CreationMode; lView[FLAGS] &= ~LViewFlags.CreationMode;
} else { } else {
try {
executeHooks(lView, tView.viewHooks, tView.viewCheckHooks, checkNoChangesMode); executeHooks(lView, tView.viewHooks, tView.viewCheckHooks, checkNoChangesMode);
} finally {
// Views are clean and in update mode after being checked, so these bits are cleared // Views are clean and in update mode after being checked, so these bits are cleared
lView[FLAGS] &= ~(LViewFlags.Dirty | LViewFlags.FirstLViewPass); lView[FLAGS] &= ~(LViewFlags.Dirty | LViewFlags.FirstLViewPass);
lView[FLAGS] |= LViewFlags.RunInit; lView[FLAGS] |= LViewFlags.RunInit;
lView[BINDING_INDEX] = tView.bindingStartIndex; lView[BINDING_INDEX] = tView.bindingStartIndex;
} }
}
enterView(newView, null); enterView(newView, null);
} }

8
packages/core/test/linker/change_detection_integration_spec.ts
View File

@ -1022,11 +1022,9 @@ const TEST_COMPILER_PROVIDERS: Provider[] = [
expect(directiveLog.filter(['ngAfterViewInit'])).toEqual([]); expect(directiveLog.filter(['ngAfterViewInit'])).toEqual([]);
})); }));
fixmeIvy( it('should not call ngAfterViewInit again if it throws', fakeAsync(() => {
'FW-830: Exception thrown in ngAfterViewInit triggers ngAfterViewInit re-execution') const ctx =
.it('should not call ngAfterViewInit again if it throws', fakeAsync(() => { createCompFixture('<div testDirective="dir" throwOn="ngAfterViewInit"></div>');
const ctx = createCompFixture(
'<div testDirective="dir" throwOn="ngAfterViewInit"></div>');
let errored = false; let errored = false;
// First pass fails, but ngAfterViewInit should be called. // First pass fails, but ngAfterViewInit should be called.