21 lines
948 B
TypeScript
21 lines
948 B
TypeScript
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import { Autorun } from './autorun'
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// The main WeakMap that stores {target -> key -> dep} connections.
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// Conceptually, it's easier to think of a dependency as a Dep class
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// which maintains a Set of subscribers, but we simply store them as
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// raw Sets to reduce memory overhead.
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export type Dep = Set<Autorun>
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export type KeyToDepMap = Map<string | symbol, Dep>
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export const targetMap: WeakMap<any, KeyToDepMap> = new WeakMap()
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// WeakMaps that store {raw <-> observed} pairs.
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export const rawToObserved: WeakMap<any, any> = new WeakMap()
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export const observedToRaw: WeakMap<any, any> = new WeakMap()
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export const rawToImmutable: WeakMap<any, any> = new WeakMap()
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export const immutableToRaw: WeakMap<any, any> = new WeakMap()
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// WeakSets for values that are marked immutable or non-reactive during
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// observable creation.
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export const immutableValues: WeakSet<any> = new WeakSet()
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export const nonReactiveValues: WeakSet<any> = new WeakSet()
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