@tldraw/editor/dist-esm/lib/hooks/useLocalStore.mjs.map

tldraw infinite canvas SDK (editor).

{
  "version": 3,
  "sources": ["../../../src/lib/hooks/useLocalStore.ts"],
  "sourcesContent": ["import { TLAsset, TLAssetStore, TLStoreSnapshot } from '@tldraw/tlschema'\nimport { WeakCache } from '@tldraw/utils'\nimport { useEffect } from 'react'\nimport { TLEditorSnapshot } from '../config/TLEditorSnapshot'\nimport { TLStoreOptions, createTLStore } from '../config/createTLStore'\nimport { TLStoreWithStatus } from '../utils/sync/StoreWithStatus'\nimport { TLLocalSyncClient } from '../utils/sync/TLLocalSyncClient'\nimport { useShallowObjectIdentity } from './useIdentity'\nimport { useRefState } from './useRefState'\n\n/** @internal */\nexport function useLocalStore(\n\toptions: {\n\t\tpersistenceKey?: string\n\t\tsessionId?: string\n\t\tsnapshot?: TLEditorSnapshot | TLStoreSnapshot\n\t} & TLStoreOptions\n): TLStoreWithStatus {\n\tconst [state, setState] = useRefState<TLStoreWithStatus>({ status: 'loading' })\n\n\toptions = useShallowObjectIdentity(options)\n\n\tuseEffect(() => {\n\t\tconst { persistenceKey, sessionId, ...rest } = options\n\n\t\tif (!persistenceKey) {\n\t\t\tsetState({\n\t\t\t\tstatus: 'not-synced',\n\t\t\t\tstore: createTLStore(rest),\n\t\t\t})\n\t\t\treturn\n\t\t}\n\n\t\tsetState({ status: 'loading' })\n\n\t\tconst objectURLCache = new WeakCache<TLAsset, Promise<string | null>>()\n\t\tconst assets: TLAssetStore = {\n\t\t\tupload: async (asset, file) => {\n\t\t\t\tawait client.db.storeAsset(asset.id, file)\n\t\t\t\treturn { src: asset.id }\n\t\t\t},\n\t\t\tresolve: async (asset) => {\n\t\t\t\tif (!asset.props.src) return null\n\n\t\t\t\tif (asset.props.src.startsWith('asset:')) {\n\t\t\t\t\treturn await objectURLCache.get(asset, async () => {\n\t\t\t\t\t\tconst blob = await client.db.getAsset(asset.id)\n\t\t\t\t\t\tif (!blob) return null\n\t\t\t\t\t\treturn URL.createObjectURL(blob)\n\t\t\t\t\t})\n\t\t\t\t}\n\n\t\t\t\treturn asset.props.src\n\t\t\t},\n\t\t\tremove: async (assetIds) => {\n\t\t\t\tawait client.db.removeAssets(assetIds)\n\t\t\t},\n\t\t\t...rest.assets,\n\t\t}\n\n\t\tconst store = createTLStore({ ...rest, assets })\n\n\t\tlet isClosed = false\n\n\t\tconst client = new TLLocalSyncClient(store, {\n\t\t\tsessionId,\n\t\t\tpersistenceKey,\n\t\t\tonLoad() {\n\t\t\t\tif (isClosed) return\n\t\t\t\tsetState({ store, status: 'synced-local' })\n\t\t\t},\n\t\t\tonLoadError(err: any) {\n\t\t\t\tif (isClosed) return\n\t\t\t\tsetState({ status: 'error', error: err })\n\t\t\t},\n\t\t})\n\n\t\treturn () => {\n\t\t\tisClosed = true\n\t\t\tclient.close()\n\t\t}\n\t}, [options, setState])\n\n\treturn state\n}\n"],
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