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refactor(ivy): Add newer, smaller NgOnChangesFeature (#28187)

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PR Close #28187
This commit is contained in:
Ben Lesh
2019-01-16 09:35:35 -08:00
committed by Alex Rickabaugh
parent 5552661fd7
commit a95e81978b
22 changed files with 752 additions and 1071 deletions
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20
packages/common/src/directives/ng_template_outlet.ts
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@ -34,14 +34,20 @@ import {Directive, EmbeddedViewRef, Input, OnChanges, SimpleChange, SimpleChange
*/
@Directive({selector: '[ngTemplateOutlet]'})
export class NgTemplateOutlet implements OnChanges {
// TODO(issue/24571): remove '!'.
private _viewRef !: EmbeddedViewRef<any>;
private _viewRef: EmbeddedViewRef<any>|null = null;
// TODO(issue/24571): remove '!'.
@Input() public ngTemplateOutletContext !: Object;
/**
* A context object to attach to the {@link EmbeddedViewRef}. This should be an
* object, the object's keys will be available for binding by the local template `let`
* declarations.
* Using the key `$implicit` in the context object will set its value as default.
*/
@Input() public ngTemplateOutletContext: Object|null = null;
// TODO(issue/24571): remove '!'.
@Input() public ngTemplateOutlet !: TemplateRef<any>;
/**
* A string defining the template reference and optionally the context object for the template.
*/
@Input() public ngTemplateOutlet: TemplateRef<any>|null = null;
constructor(private _viewContainerRef: ViewContainerRef) {}
@ -97,7 +103,7 @@ export class NgTemplateOutlet implements OnChanges {
private _updateExistingContext(ctx: Object): void {
for (let propName of Object.keys(ctx)) {
(<any>this._viewRef.context)[propName] = (<any>this.ngTemplateOutletContext)[propName];
(<any>this._viewRef !.context)[propName] = (<any>this.ngTemplateOutletContext)[propName];
}
}
}