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docs: use SimpleChanges in component interaction guide (#39342) 

Use the SimpleChanges interface in the example of component interaction guide

PR Close #39342
This commit is contained in:
Aristeidis Bampakos 2020-10-20 19:52:01 +03:00 committed by Alex Rickabaugh
parent 90c0772743
commit cf60e0e889
2 changed files with 4 additions and 4 deletions
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4
aio/content/examples/component-interaction/src/app/version-child.component.ts
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@ -1,6 +1,6 @@
/* tslint:disable:forin */ /* tslint:disable:forin */
// #docregion // #docregion
import { Component, Input, OnChanges, SimpleChange } from '@angular/core'; import { Component, Input, OnChanges, SimpleChanges } from '@angular/core';
@Component({ @Component({
selector: 'app-version-child', selector: 'app-version-child',
@ -17,7 +17,7 @@ export class VersionChildComponent implements OnChanges {
@Input() minor: number; @Input() minor: number;
changeLog: string[] = []; changeLog: string[] = [];
ngOnChanges(changes: {[propKey: string]: SimpleChange}) { ngOnChanges(changes: SimpleChanges) {
const log: string[] = []; const log: string[] = [];
for (const propName in changes) { for (const propName in changes) {
const changedProp = changes[propName]; const changedProp = changes[propName];

4
aio/content/examples/testing/src/app/demo/demo.ts
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@ -4,7 +4,7 @@ import { Component, ContentChildren, Directive, EventEmitter,
HostBinding, HostListener, HostBinding, HostListener,
OnInit, OnChanges, OnDestroy, OnInit, OnChanges, OnDestroy,
Pipe, PipeTransform, Pipe, PipeTransform,
SimpleChange } from '@angular/core'; SimpleChanges } from '@angular/core';
import { of } from 'rxjs'; import { of } from 'rxjs';
import { delay } from 'rxjs/operators'; import { delay } from 'rxjs/operators';
@ -309,7 +309,7 @@ export class MyIfChildComponent implements OnInit, OnChanges, OnDestroy {
this.changeLog.push('ngOnDestroy called'); this.changeLog.push('ngOnDestroy called');
} }
ngOnChanges(changes: {[propertyName: string]: SimpleChange}) { ngOnChanges(changes: SimpleChanges) {
for (const propName in changes) { for (const propName in changes) {
this.ngOnChangesCounter += 1; this.ngOnChangesCounter += 1;
const prop = changes[propName]; const prop = changes[propName];