57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
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export interface IEffect extends Subscriber {
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nextNotify: IEffect | undefined;
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notify(): void;
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}
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export interface IComputed extends Dependency, Subscriber {
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update(): boolean;
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}
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export interface Dependency {
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subs: Link | undefined;
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subsTail: Link | undefined;
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}
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export interface Subscriber {
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trackId: number;
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canPropagate: boolean;
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dirtyLevel: DirtyLevels;
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deps: Link | undefined;
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depsTail: Link | undefined;
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}
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export interface Link {
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dep: Dependency | IComputed | (Dependency & IEffect);
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sub: Subscriber | IComputed | IEffect;
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trackId: number;
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prevSub: Link | undefined;
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nextSub: Link | undefined;
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nextDep: Link | undefined;
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}
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export declare const enum DirtyLevels {
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None = 0,
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SideEffectsOnly = 1,
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MaybeDirty = 2,
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Dirty = 3
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}
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export declare namespace System {
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let activeSub: Subscriber | undefined;
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let activeTrackId: number;
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let batchDepth: number;
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let lastTrackId: number;
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let queuedEffects: IEffect | undefined;
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let queuedEffectsTail: IEffect | undefined;
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}
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export declare function startBatch(): void;
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export declare function endBatch(): void;
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export declare namespace Link {
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function get(dep: Dependency, sub: Subscriber, nextDep: Link | undefined): Link;
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function release(link: Link): void;
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}
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export declare namespace Dependency {
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function link(dep: Dependency, sub: Subscriber): void;
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function propagate(subs: Link): void;
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}
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export declare namespace Subscriber {
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function checkDirty(link: Link, depth?: number): boolean;
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function startTrack(sub: Subscriber): Subscriber | undefined;
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function endTrack(sub: Subscriber, prevSub: Subscriber | undefined): void;
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function clearTrack(link: Link): void;
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}
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