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fix(ivy): ngOnChanges only runs for binding updates (#27965)

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PR Close #27965
This commit is contained in:
Ben Lesh
2018-12-20 17:23:25 -08:00
committed by Andrew Kushnir
parent b0caf02d4f
commit 8ebdb437dc
47 changed files with 1468 additions and 1397 deletions
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8
packages/compiler-cli/src/ngtsc/annotations/src/directive.ts
View File

@ -174,11 +174,6 @@ export function extractDirectiveMetadata(
const providers: Expression|null =
directive.has('providers') ? new WrappedNodeExpr(directive.get('providers') !) : null;
// Determine if `ngOnChanges` is a lifecycle hook defined on the component.
const usesOnChanges = members.some(
member => !member.isStatic && member.kind === ClassMemberKind.Method &&
member.name === 'ngOnChanges');
// Parse exportAs.
let exportAs: string[]|null = null;
if (directive.has('exportAs')) {
@ -197,9 +192,6 @@ export function extractDirectiveMetadata(
const metadata: R3DirectiveMetadata = {
name: clazz.name !.text,
deps: getConstructorDependencies(clazz, reflector, isCore), host,
lifecycle: {
usesOnChanges,
},
inputs: {...inputsFromMeta, ...inputsFromFields},
outputs: {...outputsFromMeta, ...outputsFromFields}, queries, selector,
type: new WrappedNodeExpr(clazz.name !),

3
packages/compiler-cli/test/compliance/r3_compiler_compliance_spec.ts
View File

@ -2117,7 +2117,6 @@ describe('compiler compliance', () => {
selectors: [["lifecycle-comp"]],
factory: function LifecycleComp_Factory(t) { return new (t || LifecycleComp)(); },
inputs: {nameMin: ["name", "nameMin"]},
features: [$r3$.ɵNgOnChangesFeature],
consts: 0,
vars: 0,
template: function LifecycleComp_Template(rf, ctx) {},
@ -2242,7 +2241,6 @@ describe('compiler compliance', () => {
factory: function ForOfDirective_Factory(t) {
return new (t || ForOfDirective)($r3$.ɵdirectiveInject(ViewContainerRef), $r3$.ɵdirectiveInject(TemplateRef));
},
features: [$r3$.ɵNgOnChangesFeature],
inputs: {forOf: "forOf"}
});
`;
@ -2318,7 +2316,6 @@ describe('compiler compliance', () => {
factory: function ForOfDirective_Factory(t) {
return new (t || ForOfDirective)($r3$.ɵdirectiveInject(ViewContainerRef), $r3$.ɵdirectiveInject(TemplateRef));
},
features: [$r3$.ɵNgOnChangesFeature],
inputs: {forOf: "forOf"}
});
`;