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Himself65
23 lines
682 B
TypeScript
23 lines
682 B
TypeScript
import { openDB } from 'idb';
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import { mergeUpdates } from 'yjs';
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import type { BlockSuiteBinaryDB, UpdateMessage } from './shared';
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import { dbVersion, DEFAULT_DB_NAME, upgradeDB } from './shared';
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export async function downloadBinary(
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id: string,
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dbName = DEFAULT_DB_NAME
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): Promise<UpdateMessage['update']> {
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const dbPromise = openDB<BlockSuiteBinaryDB>(dbName, dbVersion, {
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upgrade: upgradeDB,
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});
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const db = await dbPromise;
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const t = db.transaction('workspace', 'readonly').objectStore('workspace');
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const doc = await t.get(id);
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if (!doc) {
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return new Uint8Array(0);
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} else {
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return mergeUpdates(doc.updates.map(({ update }) => update));
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}
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}
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