alexion
4def357d09
Imported as a linear vendor commit so forge rebases do not replay the upstream root tree. git-subtree-dir: third_party/pi git-subtree-split: d981de1229ef899957bbe968bc8dcda02a21f477
21 lines
733 B
TypeScript
21 lines
733 B
TypeScript
import type { Op } from "../delta/index.ts";
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import type { Context } from "../types.ts";
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export interface ReplicatedStateInternals {
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readonly sequence: number;
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readonly value: unknown;
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publish(context: Context): void;
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subscribe(listener: (ops: readonly Op[], sequence: number, context: Context) => void): () => void;
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}
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const sources = new WeakMap<object, ReplicatedStateInternals>();
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export function registerReplicatedStateInternals(value: object, internals: ReplicatedStateInternals): void {
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sources.set(value, internals);
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}
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export function getReplicatedStateInternals(value: unknown): ReplicatedStateInternals | undefined {
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if (typeof value !== "object" || value === null) return undefined;
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return sources.get(value);
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}
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