| /** |
| * @license |
| * Copyright Google LLC 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 |
| */ |
| /** |
| * A repeater that destroys views when they are removed from a |
| * {@link ViewContainerRef}. When new items are inserted into the container, |
| * the repeater will always construct a new embedded view for each item. |
| * |
| * @template T The type for the embedded view's $implicit property. |
| * @template R The type for the item in each IterableDiffer change record. |
| * @template C The type for the context passed to each embedded view. |
| */ |
| export class _DisposeViewRepeaterStrategy { |
| applyChanges(changes, viewContainerRef, itemContextFactory, itemValueResolver, itemViewChanged) { |
| changes.forEachOperation((record, adjustedPreviousIndex, currentIndex) => { |
| let view; |
| let operation; |
| if (record.previousIndex == null) { |
| const insertContext = itemContextFactory(record, adjustedPreviousIndex, currentIndex); |
| view = viewContainerRef.createEmbeddedView(insertContext.templateRef, insertContext.context, insertContext.index); |
| operation = 1 /* INSERTED */; |
| } |
| else if (currentIndex == null) { |
| viewContainerRef.remove(adjustedPreviousIndex); |
| operation = 3 /* REMOVED */; |
| } |
| else { |
| view = viewContainerRef.get(adjustedPreviousIndex); |
| viewContainerRef.move(view, currentIndex); |
| operation = 2 /* MOVED */; |
| } |
| if (itemViewChanged) { |
| itemViewChanged({ |
| context: view === null || view === void 0 ? void 0 : view.context, |
| operation, |
| record, |
| }); |
| } |
| }); |
| } |
| detach() { |
| } |
| } |
| //# 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Rpb24sXG4gICAgICAgICAgICAgIHJlY29yZCxcbiAgICAgICAgICAgIH0pO1xuICAgICAgICAgIH1cbiAgICAgICAgfSk7XG4gIH1cblxuICBkZXRhY2goKSB7XG4gIH1cbn1cbiJdfQ== |
