@wordpress/sync/build/manager.js

Sync Data.

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/sync/src/manager.ts
var manager_exports = {};
__export(manager_exports, {
  createSyncManager: () => createSyncManager
});
module.exports = __toCommonJS(manager_exports);
var Y = __toESM(require("yjs"));
var import_config = require("./config");
var import_persistence = require("./persistence");
var import_providers = require("./providers");
var import_undo_manager = require("./undo-manager");
var import_utils = require("./utils");
function createSyncManager() {
  const entityStates = /* @__PURE__ */ new Map();
  const undoManager = (0, import_undo_manager.createUndoManager)();
  async function loadEntity(syncConfig, objectType, objectId, record, handlers) {
    const providerCreators = (0, import_providers.getProviderCreators)();
    if (0 === providerCreators.length) {
      return;
    }
    const entityId = getEntityId(objectType, objectId);
    if (entityStates.has(entityId)) {
      return;
    }
    const ydoc = (0, import_utils.createYjsDoc)({ objectType });
    const recordMap = ydoc.getMap(import_config.CRDT_RECORD_MAP_KEY);
    const unload = () => {
      providerResults.forEach((result) => result.destroy());
      recordMap.unobserveDeep(onRecordUpdate);
      ydoc.destroy();
      entityStates.delete(entityId);
    };
    const onRecordUpdate = (_events, transaction) => {
      if (transaction.local && !(transaction.origin instanceof Y.UndoManager)) {
        return;
      }
      void updateEntityRecord(objectType, objectId);
    };
    undoManager.addToScope(recordMap);
    const entityState = {
      handlers,
      objectId,
      objectType,
      syncConfig,
      unload,
      ydoc
    };
    entityStates.set(entityId, entityState);
    const providerResults = await Promise.all(
      providerCreators.map(
        (create) => create(objectType, objectId, ydoc)
      )
    );
    recordMap.observeDeep(onRecordUpdate);
    const isInvalid = applyPersistedCrdtDoc(syncConfig, ydoc, record);
    if (isInvalid) {
      ydoc.transact(() => {
        syncConfig.applyChangesToCRDTDoc(ydoc, record);
      }, import_config.LOCAL_SYNC_MANAGER_ORIGIN);
      const meta = createEntityMeta(objectType, objectId);
      handlers.editRecord({ meta });
      handlers.saveRecord();
    }
  }
  function unloadEntity(objectType, objectId) {
    entityStates.get(getEntityId(objectType, objectId))?.unload();
  }
  function getEntityId(objectType, objectId) {
    return `${objectType}_${objectId}`;
  }
  function applyPersistedCrdtDoc(syncConfig, targetDoc, record) {
    if (!syncConfig.supports?.crdtPersistence) {
      return true;
    }
    const tempDoc = (0, import_persistence.getPersistedCrdtDoc)(record);
    if (!tempDoc) {
      return true;
    }
    const update = Y.encodeStateAsUpdateV2(tempDoc);
    targetDoc.transact(() => {
      Y.applyUpdateV2(targetDoc, update);
    }, import_config.LOCAL_SYNC_MANAGER_ORIGIN);
    const changes = syncConfig.getChangesFromCRDTDoc(tempDoc, record);
    tempDoc.destroy();
    return Object.keys(changes).length > 0;
  }
  function updateCRDTDoc(objectType, objectId, changes, origin) {
    const entityId = getEntityId(objectType, objectId);
    const entityState = entityStates.get(entityId);
    if (!entityState) {
      return;
    }
    const { syncConfig, ydoc } = entityState;
    ydoc.transact(() => {
      syncConfig.applyChangesToCRDTDoc(ydoc, changes);
    }, origin);
  }
  async function updateEntityRecord(objectType, objectId) {
    const entityId = getEntityId(objectType, objectId);
    const entityState = entityStates.get(entityId);
    if (!entityState) {
      return;
    }
    const { handlers, syncConfig, ydoc } = entityState;
    const changes = syncConfig.getChangesFromCRDTDoc(
      ydoc,
      await handlers.getEditedRecord()
    );
    if (0 === Object.keys(changes).length) {
      return;
    }
    handlers.editRecord(changes);
  }
  function createEntityMeta(objectType, objectId) {
    const entityId = getEntityId(objectType, objectId);
    const entityState = entityStates.get(entityId);
    if (!entityState?.syncConfig.supports?.crdtPersistence) {
      return {};
    }
    return (0, import_persistence.createPersistedCRDTDoc)(entityState.ydoc);
  }
  return {
    createMeta: createEntityMeta,
    load: loadEntity,
    undoManager,
    unload: unloadEntity,
    update: updateCRDTDoc
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  createSyncManager
});
//# sourceMappingURL=manager.js.map