fix(ivy): component destroy hook called twice when configured as provider (#28470)

Fixes the `ngOnDestroy` hook on a component or directive being called twice, if the type is also registered as a provider.

This PR resolves FW-1010.

PR Close #28470
This commit is contained in:
Kristiyan Kostadinov 2019-01-31 10:38:43 +01:00 committed by Igor Minar
parent 0ea216b993
commit e1aaa7ec48
12 changed files with 285 additions and 75 deletions

View File

@ -21,7 +21,7 @@
"master": {
"uncompressed": {
"runtime": 1440,
"main": 207765,
"main": 209904,
"polyfills": 38390
}
}

View File

@ -467,6 +467,10 @@ export function isTypeProvider(value: SingleProvider): value is TypeProvider {
return typeof value === 'function';
}
export function isClassProvider(value: SingleProvider): value is ClassProvider {
return !!(value as StaticClassProvider | ClassProvider).useClass;
}
function hasDeps(value: ClassProvider | ConstructorProvider | StaticClassProvider):
value is ClassProvider&{deps: any[]} {
return !!(value as any).deps;

View File

@ -520,10 +520,6 @@ export function getNodeInjectable(
setTNodeAndViewData(tNode, lData);
try {
value = lData[index] = factory.factory(null, tData, lData, tNode);
const tView = lData[TVIEW];
if (value && factory.isProvider && value.ngOnDestroy) {
(tView.destroyHooks || (tView.destroyHooks = [])).push(index, value.ngOnDestroy);
}
} finally {
if (factory.injectImpl) setInjectImplementation(previousInjectImplementation);
setIncludeViewProviders(previousIncludeViewProviders);

View File

@ -8,8 +8,8 @@
import {resolveForwardRef} from '../di/forward_ref';
import {Provider} from '../di/interface/provider';
import {isTypeProvider, providerToFactory} from '../di/r3_injector';
import {ClassProvider, Provider} from '../di/interface/provider';
import {isClassProvider, isTypeProvider, providerToFactory} from '../di/r3_injector';
import {DirectiveDef} from '.';
import {diPublicInInjector, getNodeInjectable, getOrCreateNodeInjectorForNode} from './di';
@ -81,10 +81,19 @@ function resolveProvider(
const cptViewProvidersCount =
tNode.providerIndexes >> TNodeProviderIndexes.CptViewProvidersCountShift;
if (isClassProvider(provider) || isTypeProvider(provider)) {
const prototype = ((provider as ClassProvider).useClass || provider).prototype;
const ngOnDestroy = prototype.ngOnDestroy;
if (ngOnDestroy) {
const tView = lView[TVIEW];
(tView.destroyHooks || (tView.destroyHooks = [])).push(tInjectables.length, ngOnDestroy);
}
}
if (isTypeProvider(provider) || !provider.multi) {
// Single provider case: the factory is created and pushed immediately
const factory =
new NodeInjectorFactory(providerFactory, isViewProvider, true, directiveInject);
const factory = new NodeInjectorFactory(providerFactory, isViewProvider, directiveInject);
const existingFactoryIndex = indexOf(
token, tInjectables, isViewProvider ? beginIndex : beginIndex + cptViewProvidersCount,
endIndex);
@ -246,7 +255,7 @@ function multiFactory(
this: NodeInjectorFactory, _: null, tData: TData, lData: LView, tNode: TElementNode) => any,
index: number, isViewProvider: boolean, isComponent: boolean,
f: () => any): NodeInjectorFactory {
const factory = new NodeInjectorFactory(factoryFn, isViewProvider, true, directiveInject);
const factory = new NodeInjectorFactory(factoryFn, isViewProvider, directiveInject);
factory.multi = [];
factory.index = index;
factory.componentProviders = 0;

View File

@ -2067,8 +2067,7 @@ function baseResolveDirective<T>(
tView: TView, viewData: LView, def: DirectiveDef<T>,
directiveFactory: (t: Type<T>| null) => any) {
tView.data.push(def);
const nodeInjectorFactory =
new NodeInjectorFactory(directiveFactory, isComponentDef(def), false, null);
const nodeInjectorFactory = new NodeInjectorFactory(directiveFactory, isComponentDef(def), null);
tView.blueprint.push(nodeInjectorFactory);
viewData.push(nodeInjectorFactory);
}

View File

@ -235,10 +235,6 @@ export class NodeInjectorFactory {
* Set to `true` if the token is declared in `viewProviders` (or if it is component).
*/
isViewProvider: boolean,
/**
* Set to `true` if the token is a provider, and not a directive.
*/
public isProvider: boolean,
injectImplementation: null|(<T>(token: Type<T>|InjectionToken<T>, flags: InjectFlags) => T)) {
this.canSeeViewProviders = isViewProvider;
this.injectImpl = injectImplementation;

View File

@ -9,9 +9,9 @@
import {ViewEncapsulation} from '../metadata/view';
import {attachPatchData} from './context_discovery';
import {callHooks} from './hooks';
import {LContainer, NATIVE, VIEWS, unusedValueExportToPlacateAjd as unused1} from './interfaces/container';
import {ComponentDef} from './interfaces/definition';
import {NodeInjectorFactory} from './interfaces/injector';
import {TContainerNode, TElementContainerNode, TElementNode, TNode, TNodeFlags, TNodeType, TViewNode, unusedValueExportToPlacateAjd as unused2} from './interfaces/node';
import {unusedValueExportToPlacateAjd as unused3} from './interfaces/projection';
import {ProceduralRenderer3, RComment, RElement, RNode, RText, Renderer3, isProceduralRenderer, unusedValueExportToPlacateAjd as unused4} from './interfaces/renderer';
@ -495,8 +495,16 @@ function removeListeners(lView: LView): void {
function executeOnDestroys(view: LView): void {
const tView = view[TVIEW];
let destroyHooks: HookData|null;
if (tView != null && (destroyHooks = tView.destroyHooks) != null) {
callHooks(view, destroyHooks);
for (let i = 0; i < destroyHooks.length; i += 2) {
const context = view[destroyHooks[i] as number];
// Only call the destroy hook if the context has been requested.
if (!(context instanceof NodeInjectorFactory)) {
(destroyHooks[i + 1] as() => void).call(context);
}
}
}
}

View File

@ -0,0 +1,52 @@
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Component, InjectionToken} from '@angular/core';
import {TestBed} from '@angular/core/testing';
describe('component', () => {
describe('view destruction', () => {
it('should invoke onDestroy only once when a component is registered as a provider', () => {
const testToken = new InjectionToken<ParentWithOnDestroy>('testToken');
let destroyCalls = 0;
@Component({
selector: 'comp-with-on-destroy',
template: '',
providers: [{provide: testToken, useExisting: ParentWithOnDestroy}]
})
class ParentWithOnDestroy {
ngOnDestroy() { destroyCalls++; }
}
@Component({selector: 'child', template: ''})
class ChildComponent {
// We need to inject the parent so the provider is instantiated.
constructor(_parent: ParentWithOnDestroy) {}
}
@Component({
template: `
<comp-with-on-destroy>
<child></child>
</comp-with-on-destroy>
`
})
class App {
}
TestBed.configureTestingModule({declarations: [App, ParentWithOnDestroy, ChildComponent]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(destroyCalls).toBe(1, 'Expected `ngOnDestroy` to only be called once.');
});
});
});

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@ -0,0 +1,184 @@
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Component, Injectable} from '@angular/core';
import {TestBed} from '@angular/core/testing';
import {onlyInIvy} from '@angular/private/testing';
describe('providers', () => {
describe('lifecycles', () => {
it('should inherit ngOnDestroy hooks on providers', () => {
const logs: string[] = [];
@Injectable()
class SuperInjectableWithDestroyHook {
ngOnDestroy() { logs.push('OnDestroy'); }
}
@Injectable()
class SubInjectableWithDestroyHook extends SuperInjectableWithDestroyHook {
}
@Component({template: '', providers: [SubInjectableWithDestroyHook]})
class App {
constructor(foo: SubInjectableWithDestroyHook) {}
}
TestBed.configureTestingModule({declarations: [App]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(logs).toEqual(['OnDestroy']);
});
it('should not call ngOnDestroy for providers that have not been requested', () => {
const logs: string[] = [];
@Injectable()
class InjectableWithDestroyHook {
ngOnDestroy() { logs.push('OnDestroy'); }
}
@Component({template: '', providers: [InjectableWithDestroyHook]})
class App {
}
TestBed.configureTestingModule({declarations: [App]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(logs).toEqual([]);
});
it('should only call ngOnDestroy once for multiple instances', () => {
const logs: string[] = [];
@Injectable()
class InjectableWithDestroyHook {
ngOnDestroy() { logs.push('OnDestroy'); }
}
@Component({selector: 'my-cmp', template: ''})
class MyComponent {
constructor(foo: InjectableWithDestroyHook) {}
}
@Component({
template: `
<my-cmp></my-cmp>
<my-cmp></my-cmp>
`,
providers: [InjectableWithDestroyHook]
})
class App {
}
TestBed.configureTestingModule({declarations: [App, MyComponent]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(logs).toEqual(['OnDestroy']);
});
it('should call ngOnDestroy when providing same token via useClass', () => {
const logs: string[] = [];
@Injectable()
class InjectableWithDestroyHook {
ngOnDestroy() { logs.push('OnDestroy'); }
}
@Component({
template: '',
providers: [{provide: InjectableWithDestroyHook, useClass: InjectableWithDestroyHook}]
})
class App {
constructor(foo: InjectableWithDestroyHook) {}
}
TestBed.configureTestingModule({declarations: [App]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(logs).toEqual(['OnDestroy']);
});
onlyInIvy('Destroy hook of useClass provider is invoked correctly')
.it('should only call ngOnDestroy of value when providing via useClass', () => {
const logs: string[] = [];
@Injectable()
class InjectableWithDestroyHookToken {
ngOnDestroy() { logs.push('OnDestroy Token'); }
}
@Injectable()
class InjectableWithDestroyHookValue {
ngOnDestroy() { logs.push('OnDestroy Value'); }
}
@Component({
template: '',
providers: [
{provide: InjectableWithDestroyHookToken, useClass: InjectableWithDestroyHookValue}
]
})
class App {
constructor(foo: InjectableWithDestroyHookToken) {}
}
TestBed.configureTestingModule({declarations: [App]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(logs).toEqual(['OnDestroy Value']);
});
it('should only call ngOnDestroy of value when providing via useExisting', () => {
const logs: string[] = [];
@Injectable()
class InjectableWithDestroyHookToken {
ngOnDestroy() { logs.push('OnDestroy Token'); }
}
@Injectable()
class InjectableWithDestroyHookExisting {
ngOnDestroy() { logs.push('OnDestroy Existing'); }
}
@Component({
template: '',
providers: [
InjectableWithDestroyHookExisting, {
provide: InjectableWithDestroyHookToken,
useExisting: InjectableWithDestroyHookExisting
}
]
})
class App {
constructor(foo1: InjectableWithDestroyHookExisting, foo2: InjectableWithDestroyHookToken) {
}
}
TestBed.configureTestingModule({declarations: [App]});
const fixture = TestBed.createComponent(App);
fixture.detectChanges();
fixture.destroy();
expect(logs).toEqual(['OnDestroy Existing']);
});
});
});

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@ -6,9 +6,9 @@
* found in the LICENSE file at https://angular.io/license
*/
import {ViewEncapsulation, defineInjectable, defineInjector} from '../../src/core';
import {InjectionToken, ViewEncapsulation, defineInjectable, defineInjector} from '../../src/core';
import {AttributeMarker, ComponentFactory, LifecycleHooksFeature, defineComponent, directiveInject, markDirty, template, getRenderedText} from '../../src/render3/index';
import {AttributeMarker, ComponentFactory, LifecycleHooksFeature, defineComponent, directiveInject, markDirty, template, getRenderedText, ProvidersFeature} from '../../src/render3/index';
import {bind, container, containerRefreshEnd, containerRefreshStart, element, elementEnd, elementProperty, elementStart, embeddedViewEnd, embeddedViewStart, nextContext, text, textBinding, tick} from '../../src/render3/instructions';
import {ComponentDef, RenderFlags} from '../../src/render3/interfaces/definition';
@ -669,22 +669,22 @@ describe('recursive components', () => {
});
describe('view destruction', () => {
let wasOnDestroyCalled = false;
class ComponentWithOnDestroy {
static ngComponentDef = defineComponent({
selectors: [['comp-with-destroy']],
type: ComponentWithOnDestroy,
consts: 0,
vars: 0,
factory: () => new ComponentWithOnDestroy(),
template: (rf: any, ctx: any) => {},
});
ngOnDestroy() { wasOnDestroyCalled = true; }
}
it('should invoke onDestroy when directly destroying a root view', () => {
let wasOnDestroyCalled = false;
class ComponentWithOnDestroy {
static ngComponentDef = defineComponent({
selectors: [['comp-with-destroy']],
type: ComponentWithOnDestroy,
consts: 0,
vars: 0,
factory: () => new ComponentWithOnDestroy(),
template: (rf: any, ctx: any) => {},
});
ngOnDestroy() { wasOnDestroyCalled = true; }
}
// This test asserts that the view tree is set up correctly based on the knowledge that this
// tree is used during view destruction. If the child view is not correctly attached as a
// child of the root view, then the onDestroy hook on the child view will never be called
@ -704,4 +704,5 @@ describe('view destruction', () => {
true,
'Expected component onDestroy method to be called when its parent view is destroyed');
});
});

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@ -1355,6 +1355,7 @@ describe('providers', () => {
expect(fixture.html).toEqual('<div></div>');
expect(logs).toEqual(['Injectable OnDestroy']);
});
});
});
interface ComponentTest {

View File

@ -237,46 +237,6 @@ window.testBlocklist = {
"error": "TypeError: Cannot read property 'accordion' of undefined",
"notes": "Unknown"
},
"CdkDrag standalone draggable should enable native drag interactions when there is a drag handle": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should not be able to drag the entire element if it has a handle": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should be able to drag an element using its handle": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should not be able to drag the element if the handle is disabled": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should not be able to drag using the handle if the element is disabled": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should be able to use a handle that was added after init": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should be able to use more than one handle to drag the element": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should be able to drag with a handle that is not a direct descendant": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should disable the tap highlight while dragging via the handle": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag draggable with a handle should preserve any existing `webkitTapHighlightColor`": {
"error": "TypeError: Cannot read property 'removeEventListener' of null",
"notes": "FW-1010: onDestroy hook is called twice for directives that are also used in a provider"
},
"CdkDrag in a drop container should be able to customize the preview element": {
"error": "Error: Expected cdk-drag cdk-drag-preview to contain 'custom-preview'.",
"notes": "Unknown"