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717c7420f9
Previously we had a ViewModel class which was responsible for little more than creating an ObservableScope. However, since this ObservableScope would be created implicitly upon view model construction, it became a tad bit harder for callers to remember to eventually end the scope (as you wouldn't just have to remember to end ObservableScopes, but also to destroy ViewModels). Requiring the scope to be specified explicitly by the caller also makes it possible for the caller to reuse the scope for other purposes, reducing the number of scopes mentally in flight that need tending to, and for all state holders (not just view models) to be handled uniformly by helper functions such as generateKeyed$.
30 lines
777 B
TypeScript
30 lines
777 B
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { type MediaViewModel, type UserMediaViewModel } from "./MediaViewModel";
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import { type Behavior } from "./Behavior";
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let nextId = 0;
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function createId(): string {
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return (nextId++).toString();
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}
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export class GridTileViewModel {
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public readonly id = createId();
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public constructor(public readonly media$: Behavior<UserMediaViewModel>) {}
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}
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export class SpotlightTileViewModel {
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public constructor(
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public readonly media$: Behavior<MediaViewModel[]>,
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public readonly maximised$: Behavior<boolean>,
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) {}
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}
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export type TileViewModel = GridTileViewModel | SpotlightTileViewModel;
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