c3faeba1c8
git-subtree-dir: services/pascal-editor git-subtree-split: 312064e6e8122f958d2961e28ea85ad8b9db40c5
45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
import type { SceneOperations } from '@pascal-app/mcp/operations'
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import type { SceneStore } from '@pascal-app/mcp/storage'
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/**
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* Per-process singleton. The factory is async because backend modules are
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* dynamically imported — we cache the in-flight promise so concurrent calls
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* during a cold start share a single instantiation.
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*/
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let cachedStore: Promise<SceneStore> | null = null
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let cachedOperations: Promise<SceneOperations> | null = null
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export function getSceneStore(): Promise<SceneStore> {
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if (!cachedStore) {
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cachedStore = (async () => {
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const mod = (await import('@pascal-app/mcp/storage')) as {
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createSceneStore: (env?: NodeJS.ProcessEnv) => Promise<SceneStore>
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}
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return mod.createSceneStore(process.env)
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})()
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}
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return cachedStore
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}
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export function getSceneOperations(): Promise<SceneOperations> {
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if (!cachedOperations) {
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cachedOperations = (async () => {
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const store = await getSceneStore()
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const mod = (await import('@pascal-app/mcp/operations')) as {
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createSceneOperations: (options: { store: SceneStore }) => SceneOperations
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}
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return mod.createSceneOperations({ store })
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})()
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}
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return cachedOperations
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}
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/**
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* Test-only helper to reset the cached singleton. Not exported for production
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* callers.
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*/
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export function __resetSceneStoreForTests(): void {
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cachedStore = null
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cachedOperations = null
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}
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