@wordpress/sync/build-module/utils.js

Sync Data.

// packages/sync/src/utils.ts
import * as Y from "yjs";
import * as buffer from "lib0/buffer";
import {
  CRDT_DOC_META_PERSISTENCE_KEY,
  CRDT_DOC_VERSION,
  CRDT_STATE_MAP_KEY,
  CRDT_STATE_VERSION_KEY
} from "./config";
function createYjsDoc(documentMeta) {
  const metaMap = new Map(
    Object.entries(documentMeta)
  );
  const ydoc = new Y.Doc({ meta: metaMap });
  const stateMap = ydoc.getMap(CRDT_STATE_MAP_KEY);
  stateMap.set(CRDT_STATE_VERSION_KEY, CRDT_DOC_VERSION);
  return ydoc;
}
function serializeCrdtDoc(crdtDoc) {
  return JSON.stringify({
    document: buffer.toBase64(Y.encodeStateAsUpdateV2(crdtDoc))
  });
}
function deserializeCrdtDoc(serializedCrdtDoc) {
  try {
    const { document } = JSON.parse(serializedCrdtDoc);
    const docMetaMap = /* @__PURE__ */ new Map();
    docMetaMap.set(CRDT_DOC_META_PERSISTENCE_KEY, true);
    const ydoc = createYjsDoc({ meta: docMetaMap });
    const yupdate = buffer.fromBase64(document);
    Y.applyUpdateV2(ydoc, yupdate);
    ydoc.clientID = Math.floor(Math.random() * 1e9);
    return ydoc;
  } catch (e) {
    return null;
  }
}
export {
  createYjsDoc,
  deserializeCrdtDoc,
  serializeCrdtDoc
};
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