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mobx-bonsai-yjs

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Y.js two-way binding for mobx-bonsai

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import { isObservableObject, when, runInAction, remove, set, isObservableArray, action } from "mobx"; import { _isPrimitive, _isArray, _isPlainObject, getNodeTypeAndKey, onDeepChange, _buildNodeFullPath, node, _runDetachingDuplicatedNodes, resolvePath, assertIsNode, walkTree, WalkTreeMode, _disposeOnce, getParentToChildPath } from "mobx-bonsai"; import * as Y from "yjs"; class MobxBonsaiYjsError extends Error { constructor(msg) { super(msg); Object.setPrototypeOf(this, MobxBonsaiYjsError.prototype); } } function failure(msg) { return new MobxBonsaiYjsError(msg); } function isYjsStructure(target) { return target instanceof Y.Map || target instanceof Y.Array; } function assertIsYjsStructure(target) { const valid = isYjsStructure(target); if (!valid) { throw failure("target is not a bindable y.js object"); } } function resolveYjsStructurePath(yjsObject, path) { let target = yjsObject; assertIsYjsStructure(target); path.forEach((pathSegment, i) => { if (target instanceof Y.Array) { target = target.get(+pathSegment); } else if (target instanceof Y.Map) { target = target.get(String(pathSegment)); } else { throw failure( `Y.Map or Y.Array was expected at path ${JSON.stringify( path.slice(0, i) )} in order to resolve path ${JSON.stringify(path)}, but got ${target} instead` ); } }); return target; } function convertPlainToYjsValue(v) { var _a; if (_isPrimitive(v)) { return v; } if (_isArray(v)) { const arr = new Y.Array(); applyPlainArrayToYArray(arr, v); return arr; } if (_isPlainObject(v) || isObservableObject(v)) { const frozenData = !!((_a = getNodeTypeAndKey(v).type) == null ? void 0 : _a.isFrozen); if (frozenData) { return v; } const map = new Y.Map(); applyPlainObjectToYMap(map, v); return map; } throw failure(`unsupported value type: ${v}`); } const applyPlainArrayToYArray = (dest, source) => { const yjsVals = source.map(convertPlainToYjsValue); dest.push(yjsVals); }; const applyPlainObjectToYMap = (dest, source) => { Object.entries(source).forEach(([k, v]) => { const yjsVal = convertPlainToYjsValue(v); dest.set(k, yjsVal); }); }; function setupNodeToYjsReplication({ node: node2, yjsDoc, yjsObject, yjsOriginGetter, yjsOriginCache, yjsReplicatingRef }) { let pendingMobxChanges = []; let mobxDeepChangesNestingLevel = 0; const disposeOnDeepChange = onDeepChange(node2, (change) => { if (yjsReplicatingRef.current > 0) { return; } mobxDeepChangesNestingLevel++; const path = _buildNodeFullPath(change.object); pendingMobxChanges.push({ change, path }); when( () => true, () => { mobxDeepChangesNestingLevel--; if (mobxDeepChangesNestingLevel === 0) { const yjsOrigin = yjsOriginGetter(); yjsOriginCache.add(yjsOrigin); yjsDoc.transact(() => { const mobxChangesToApply = pendingMobxChanges; pendingMobxChanges = []; mobxChangesToApply.forEach(({ change: change2, path: path2 }) => { const yjsTarget = resolveYjsStructurePath(yjsObject, path2); const isObjectChange = "name" in change2; if (isObjectChange) { if (!(yjsTarget instanceof Y.Map)) { throw failure("yjs target was expected to be a map"); } const yjsMap = yjsTarget; switch (change2.type) { case "add": case "update": yjsMap.set(String(change2.name), convertPlainToYjsValue(change2.newValue)); break; case "remove": yjsMap.delete(String(change2.name)); break; default: throw failure(`unsupported mobx object change type`); } } else { if (!(yjsTarget instanceof Y.Array)) { throw failure("yjs target was expected to be an array"); } const yjsArray = yjsTarget; switch (change2.type) { case "update": { yjsArray.delete(change2.index, 1); yjsArray.insert(change2.index, [convertPlainToYjsValue(change2.newValue)]); break; } case "splice": { yjsArray.delete(change2.index, change2.removedCount); yjsArray.insert(change2.index, change2.added.map(convertPlainToYjsValue)); break; } default: throw failure(`unsupported mobx array change type`); } } }); }, yjsOrigin); } } ); }); return { dispose: () => { disposeOnDeepChange(); } }; } function createNodeFromYjsObject(yjsObject) { if (yjsObject instanceof Y.Map || yjsObject instanceof Y.Array) { return node(yjsObject.toJSON(), { skipInit: true }); } else { throw failure("only Y.js Map and Array instances can be bound to nodes"); } } function yjsToPlainValue(v) { if (_isPrimitive(v)) { return v; } if (v instanceof Y.Map || v instanceof Y.Array) { return v.toJSON(); } throw failure(`unsupported Y.js value type: ${v}`); } function setupYjsToNodeReplication({ node: node2, yjsObject, yjsOriginCache, yjsReplicatingRef }) { const yjsObserverCallback = (events, transaction) => { if (events.length === 0) { return; } if (yjsOriginCache.has(transaction.origin)) { return; } yjsReplicatingRef.current++; try { runInAction(() => { _runDetachingDuplicatedNodes(() => { events.forEach((event) => { const resolutionResult = resolvePath(node2, event.path); if (!resolutionResult.resolved) { throw failure( `failed to resolve node path for yjs event: ${JSON.stringify(event.path)}` ); } const mobxTarget = resolutionResult.value; assertIsNode(mobxTarget, "mobxTarget"); if (event instanceof Y.YMapEvent) { if (Array.isArray(mobxTarget)) { throw failure("mobx target was expected to be an object"); } const mobxObject = mobxTarget; const yjsMap = event.target; event.changes.keys.forEach((change, key) => { switch (change.action) { case "add": case "update": { const yjsValue = yjsToPlainValue(yjsMap.get(key)); if (mobxObject[key] !== yjsValue) { set(mobxObject, key, yjsValue); } } break; case "delete": if (mobxObject[key] !== void 0) { remove(mobxObject, key); } break; default: throw failure(`unsupported Yjs map event action: ${change.action}`); } }); } else if (event instanceof Y.YArrayEvent) { if (!isObservableArray(mobxTarget)) { throw failure("mobx target was expected to be an array"); } const mobxArray = mobxTarget; let retain = 0; event.changes.delta.forEach((change) => { if (change.retain) { retain += change.retain; } if (change.delete) { mobxArray.splice(retain, change.delete); } if (change.insert) { const newValues = Array.isArray(change.insert) ? change.insert : [change.insert]; mobxArray.splice(retain, 0, ...newValues.map((v) => yjsToPlainValue(v))); retain += newValues.length; } }); } else { throw failure("unsupported Y.js event type"); } }); }); }); } finally { yjsReplicatingRef.current--; } }; yjsObject.observeDeep(yjsObserverCallback); return { dispose: () => { yjsObject.unobserveDeep(yjsObserverCallback); } }; } const bindYjsToNode = action( ({ yjsDoc, yjsObject, yjsOrigin }) => { yjsOrigin = yjsOrigin != null ? yjsOrigin : Symbol("mobx-bonsai-yjs-origin"); const yjsOriginGetter = typeof yjsOrigin === "function" ? yjsOrigin : () => yjsOrigin; const node2 = createNodeFromYjsObject(yjsObject); const yjsReplicatingRef = { current: 0 }; const yjsOriginCache = /* @__PURE__ */ new WeakSet(); const yjsToNodeReplicationAdmin = setupYjsToNodeReplication({ node: node2, yjsObject, yjsOriginCache, yjsReplicatingRef }); const nodeToYjsReplicationAdmin = setupNodeToYjsReplication({ node: node2, yjsDoc, yjsObject, yjsOriginGetter, yjsOriginCache, yjsReplicatingRef }); walkTree( node2, (n) => { const { type } = getNodeTypeAndKey(n); type == null ? void 0 : type._initNode(n); }, WalkTreeMode.ChildrenFirst ); const ret = { node: node2, getYjsValueForNode: (target) => { if (target === node2) { return yjsObject; } const path = getParentToChildPath(node2, target); if (!path) { throw new Error("node not found in the bound tree"); } return resolveYjsStructurePath(yjsObject, path); }, dispose: _disposeOnce(() => { nodeToYjsReplicationAdmin.dispose(); yjsToNodeReplicationAdmin.dispose(); }), [Symbol.dispose]: () => { ret.dispose(); } }; return ret; } ); export { MobxBonsaiYjsError, applyPlainArrayToYArray, applyPlainObjectToYMap, bindYjsToNode, convertPlainToYjsValue }; //# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"mobx-bonsai-yjs.esm.mjs","sources":["../src/error/MobxBonsaiYjsError.ts","../src/error/failure.ts","../src/yjsBinding/yjsTypes/checks.ts","../src/yjsBinding/nodeToYjs/resolveYjsStructurePath.ts","../src/yjsBinding/nodeToYjs/convertPlainToYjsValue.ts","../src/yjsBinding/nodeToYjs/setupNodeToYjsReplication.ts","../src/yjsBinding/yjsToNode/createNodeFromYjsObject.ts","../src/yjsBinding/yjsToNode/setupYjsToNodeReplication.ts","../src/yjsBinding/bindYjsToNode.ts"],"sourcesContent":["/**\n * A mobx-bonsai-yjs error.\n */\nexport class MobxBonsaiYjsError extends Error {\n  constructor(msg: string) {\n    super(msg)\n\n    // Set the prototype explicitly.\n    Object.setPrototypeOf(this, MobxBonsaiYjsError.prototype)\n  }\n}\n","import { MobxBonsaiYjsError } from \"./MobxBonsaiYjsError\"\n\nexport function failure(msg: string) {\n  return new MobxBonsaiYjsError(msg)\n}\n","import * as Y from \"yjs\"\nimport { failure } from \"../../error/failure\"\nimport { YjsStructure } from \"./types\"\n\nexport function isYjsStructure(target: unknown): target is YjsStructure {\n  return target instanceof Y.Map || target instanceof Y.Array\n}\n\nexport function assertIsYjsStructure(target: unknown): asserts target is YjsStructure {\n  const valid = isYjsStructure(target)\n  if (!valid) {\n    throw failure(\"target is not a bindable y.js object\")\n  }\n}\n","import * as Y from \"yjs\"\nimport { failure } from \"../../error/failure\"\nimport { assertIsYjsStructure } from \"../yjsTypes/checks\"\nimport { YjsStructure } from \"../yjsTypes/types\"\n\nexport function resolveYjsStructurePath(\n  yjsObject: YjsStructure,\n  path: readonly (string | number)[]\n): unknown {\n  let target = yjsObject\n  assertIsYjsStructure(target)\n\n  path.forEach((pathSegment, i) => {\n    if (target instanceof Y.Array) {\n      target = target.get(+pathSegment)\n    } else if (target instanceof Y.Map) {\n      target = target.get(String(pathSegment))\n    } else {\n      throw failure(\n        `Y.Map or Y.Array was expected at path ${JSON.stringify(\n          path.slice(0, i)\n        )} in order to resolve path ${JSON.stringify(path)}, but got ${target} instead`\n      )\n    }\n  })\n\n  return target\n}\n","import { isObservableObject } from \"mobx\"\nimport { _isArray, _isPlainObject, _isPrimitive, _Primitive, getNodeTypeAndKey } from \"mobx-bonsai\"\nimport * as Y from \"yjs\"\nimport { failure } from \"../../error/failure\"\nimport { YjsValue } from \"../yjsTypes/types\"\n\n/**\n * Converts a plain value to a Y.js value.\n * Objects are converted to Y.Maps, arrays to Y.Arrays, primitives are untouched.\n */\nexport function convertPlainToYjsValue<T extends _Primitive>(v: T): T\nexport function convertPlainToYjsValue(v: readonly any[]): Y.Array<YjsValue>\nexport function convertPlainToYjsValue(v: Readonly<Record<string, any>>): Y.Map<YjsValue>\n\nexport function convertPlainToYjsValue(v: any): YjsValue {\n  if (_isPrimitive(v)) {\n    return v\n  }\n\n  if (_isArray(v)) {\n    const arr = new Y.Array<YjsValue>()\n    applyPlainArrayToYArray(arr, v)\n    return arr as YjsValue\n  }\n\n  if (_isPlainObject(v) || isObservableObject(v)) {\n    const frozenData = !!getNodeTypeAndKey(v).type?.isFrozen\n    if (frozenData) {\n      return v // store as is\n    }\n\n    const map = new Y.Map<YjsValue>()\n    applyPlainObjectToYMap(map, v)\n    return map as YjsValue\n  }\n\n  throw failure(`unsupported value type: ${v}`)\n}\n\n/**\n * Applies a plain array to a Y.Array, using the convertPlainToYjsValue to convert the values.\n *\n * @param dest - The Y.js Array that will receive the converted values.\n * @param source - The plain JavaScript array whose values will be converted and pushed to the destination.\n */\nexport const applyPlainArrayToYArray = (dest: Y.Array<any>, source: readonly any[]) => {\n  const yjsVals = source.map(convertPlainToYjsValue)\n  dest.push(yjsVals)\n}\n\n/**\n * Applies a plain object to a Y.Map, using the convertPlainToYjsValue to convert the values.\n *\n * @param dest - The destination Y.Map where the properties will be set\n * @param source - The plain JavaScript object whose properties will be applied to the Y.Map\n */\nexport const applyPlainObjectToYMap = (dest: Y.Map<any>, source: Readonly<Record<string, any>>) => {\n  Object.entries(source).forEach(([k, v]) => {\n    const yjsVal = convertPlainToYjsValue(v)\n    dest.set(k, yjsVal)\n  })\n}\n","import { when } from \"mobx\"\nimport { _buildNodeFullPath, NodeChange, onDeepChange } from \"mobx-bonsai\"\nimport * as Y from \"yjs\"\nimport { failure } from \"../../error/failure\"\nimport { YjsStructure } from \"../yjsTypes/types\"\nimport { convertPlainToYjsValue } from \"./convertPlainToYjsValue\"\nimport { resolveYjsStructurePath } from \"./resolveYjsStructurePath\"\n\nexport function setupNodeToYjsReplication({\n  node,\n  yjsDoc,\n  yjsObject,\n  yjsOriginGetter,\n  yjsOriginCache,\n  yjsReplicatingRef,\n}: {\n  node: object\n  yjsDoc: Y.Doc\n  yjsObject: YjsStructure\n  yjsOriginGetter: () => symbol\n  yjsOriginCache: WeakSet<symbol>\n  yjsReplicatingRef: { current: number }\n}) {\n  let pendingMobxChanges: {\n    change: NodeChange\n    path: string[]\n  }[] = []\n  let mobxDeepChangesNestingLevel = 0\n\n  const disposeOnDeepChange = onDeepChange(node, (change) => {\n    // if this comes from a yjs change, ignore it\n    if (yjsReplicatingRef.current > 0) {\n      return\n    }\n\n    mobxDeepChangesNestingLevel++\n    const path = _buildNodeFullPath(change.object)\n    pendingMobxChanges.push({ change, path })\n\n    // hack to apply pending mobx changes once all actions and reactions are finished\n    when(\n      () => true,\n      () => {\n        mobxDeepChangesNestingLevel--\n        if (mobxDeepChangesNestingLevel === 0) {\n          const yjsOrigin = yjsOriginGetter()\n          yjsOriginCache.add(yjsOrigin)\n\n          yjsDoc.transact(() => {\n            const mobxChangesToApply = pendingMobxChanges\n            pendingMobxChanges = []\n            mobxChangesToApply.forEach(({ change, path }) => {\n              const yjsTarget = resolveYjsStructurePath(yjsObject, path)\n\n              // now y.js and mobx should be in the same target\n\n              // In MobX 5, observableKind doesn't exist, but we can check for the presence of 'name' vs 'index'\n              // to distinguish between object and array changes\n              const isObjectChange = \"name\" in change\n\n              if (isObjectChange) {\n                if (!(yjsTarget instanceof Y.Map)) {\n                  throw failure(\"yjs target was expected to be a map\")\n                }\n                const yjsMap = yjsTarget\n\n                switch (change.type) {\n                  case \"add\":\n                  case \"update\":\n                    yjsMap.set(String(change.name), convertPlainToYjsValue(change.newValue))\n                    break\n\n                  case \"remove\":\n                    yjsMap.delete(String(change.name))\n                    break\n\n                  default:\n                    throw failure(`unsupported mobx object change type`)\n                }\n              } else {\n                // Array change\n                if (!(yjsTarget instanceof Y.Array)) {\n                  throw failure(\"yjs target was expected to be an array\")\n                }\n                const yjsArray = yjsTarget\n\n                switch (change.type) {\n                  case \"update\": {\n                    yjsArray.delete(change.index, 1)\n                    yjsArray.insert(change.index, [convertPlainToYjsValue(change.newValue)])\n                    break\n                  }\n\n                  case \"splice\": {\n                    yjsArray.delete(change.index, change.removedCount)\n                    yjsArray.insert(change.index, change.added.map(convertPlainToYjsValue))\n                    break\n                  }\n\n                  default:\n                    throw failure(`unsupported mobx array change type`)\n                }\n              }\n            })\n          }, yjsOrigin)\n        }\n      }\n    )\n  })\n\n  return {\n    dispose: () => {\n      disposeOnDeepChange()\n    },\n  }\n}\n","import { node } from \"mobx-bonsai\"\r\nimport * as Y from \"yjs\"\r\nimport { failure } from \"../../error/failure\"\r\nimport { YjsStructure } from \"../yjsTypes/types\"\r\n\r\nexport function createNodeFromYjsObject<T extends object>(yjsObject: YjsStructure): T {\r\n  if (yjsObject instanceof Y.Map || yjsObject instanceof Y.Array) {\r\n    return node(yjsObject.toJSON(), { skipInit: true }) as unknown as T\r\n  } else {\r\n    throw failure(\"only Y.js Map and Array instances can be bound to nodes\")\r\n  }\r\n}\r\n","import { isObservableArray, remove, runInAction, set } from \"mobx\"\nimport {\n  _isPrimitive,\n  _Primitive,\n  _runDetachingDuplicatedNodes,\n  assertIsNode,\n  resolvePath,\n} from \"mobx-bonsai\"\nimport * as Y from \"yjs\"\nimport { failure } from \"../../error/failure\"\nimport { YjsStructure, YjsValue } from \"../yjsTypes/types\"\n\nfunction yjsToPlainValue<T extends _Primitive>(v: T): T\nfunction yjsToPlainValue(v: Y.Map<any>): Record<string, any>\nfunction yjsToPlainValue(v: Y.Array<any>): any[]\n\nfunction yjsToPlainValue(v: YjsValue): unknown {\n  if (_isPrimitive(v)) {\n    return v\n  }\n\n  if (v instanceof Y.Map || v instanceof Y.Array) {\n    return v.toJSON()\n  }\n\n  throw failure(`unsupported Y.js value type: ${v}`)\n}\n\nexport function setupYjsToNodeReplication({\n  node,\n  yjsObject,\n  yjsOriginCache,\n  yjsReplicatingRef,\n}: {\n  node: object\n  yjsObject: YjsStructure\n  yjsOriginCache: WeakSet<symbol>\n  yjsReplicatingRef: { current: number }\n}) {\n  const yjsObserverCallback = (events: Y.YEvent<any>[], transaction: Y.Transaction) => {\n    if (events.length === 0) {\n      return\n    }\n\n    // if it comes from a mobx-bonsai-yjs change, ignore it\n    if (yjsOriginCache.has(transaction.origin)) {\n      return\n    }\n\n    // lock to ensure mobx changes don't trigger yjs changes again\n    yjsReplicatingRef.current++\n\n    try {\n      runInAction(() => {\n        _runDetachingDuplicatedNodes(() => {\n          events.forEach((event) => {\n            const resolutionResult = resolvePath(node, event.path)\n            if (!resolutionResult.resolved) {\n              throw failure(\n                `failed to resolve node path for yjs event: ${JSON.stringify(event.path)}`\n              )\n            }\n            const mobxTarget = resolutionResult.value\n            assertIsNode(mobxTarget, \"mobxTarget\")\n\n            // now y.js and mobx should be in the same target\n\n            if (event instanceof Y.YMapEvent) {\n              // Directly check if it's an array (arrays are objects too)\n              if (Array.isArray(mobxTarget)) {\n                throw failure(\"mobx target was expected to be an object\")\n              }\n\n              const mobxObject = mobxTarget\n              const yjsMap = event.target\n\n              event.changes.keys.forEach((change, key) => {\n                switch (change.action) {\n                  case \"add\":\n                  case \"update\":\n                    {\n                      // we have to check because sometimes yjs sends\n                      // an update event for something already there\n                      const yjsValue = yjsToPlainValue(yjsMap.get(key))\n                      if ((mobxObject as any)[key] !== yjsValue) {\n                        set(mobxObject, key, yjsValue)\n                      }\n                    }\n                    break\n\n                  case \"delete\":\n                    // we have to check because sometimes yjs sends\n                    // an update event for something already there\n                    if ((mobxObject as any)[key] !== undefined) {\n                      remove(mobxObject, key)\n                    }\n                    break\n\n                  default:\n                    throw failure(`unsupported Yjs map event action: ${change.action}`)\n                }\n              })\n            } else if (event instanceof Y.YArrayEvent) {\n              if (!isObservableArray(mobxTarget)) {\n                throw failure(\"mobx target was expected to be an array\")\n              }\n\n              const mobxArray = mobxTarget\n              let retain = 0\n\n              event.changes.delta.forEach((change) => {\n                if (change.retain) {\n                  retain += change.retain\n                }\n\n                if (change.delete) {\n                  // remove X items at retain position\n                  mobxArray.splice(retain, change.delete)\n                }\n\n                if (change.insert) {\n                  const newValues = Array.isArray(change.insert) ? change.insert : [change.insert]\n                  mobxArray.splice(retain, 0, ...newValues.map((v) => yjsToPlainValue(v)))\n                  retain += newValues.length\n                }\n              })\n            } else {\n              throw failure(\"unsupported Y.js event type\")\n            }\n          })\n        })\n      })\n    } finally {\n      yjsReplicatingRef.current--\n    }\n  }\n\n  yjsObject.observeDeep(yjsObserverCallback)\n\n  return {\n    dispose: () => {\n      yjsObject.unobserveDeep(yjsObserverCallback)\n    },\n  }\n}\n","import { action } from \"mobx\"\nimport {\n  _Dispose,\n  _disposeOnce,\n  getNodeTypeAndKey,\n  getParentToChildPath,\n  NodeWithAnyType,\n  WalkTreeMode,\n  walkTree,\n} from \"mobx-bonsai\"\nimport type * as Y from \"yjs\"\nimport { resolveYjsStructurePath } from \"./nodeToYjs/resolveYjsStructurePath\"\nimport { setupNodeToYjsReplication } from \"./nodeToYjs/setupNodeToYjsReplication\"\nimport { createNodeFromYjsObject } from \"./yjsToNode/createNodeFromYjsObject\"\nimport { setupYjsToNodeReplication } from \"./yjsToNode/setupYjsToNodeReplication\"\nimport { YjsStructure } from \"./yjsTypes/types\"\n\n/**\n * Creates a node that is bound to a Y.js data structure.\n * Y.js Map and Array instances are bound to MobX objects and arrays, respectively.\n */\nexport const bindYjsToNode = action(\n  <T extends object>({\n    yjsDoc,\n    yjsObject,\n    yjsOrigin,\n  }: {\n    /**\n     * The Y.js document.\n     */\n    yjsDoc: Y.Doc\n\n    /**\n     * The Y.js data structure to bind.\n     */\n    yjsObject: YjsStructure\n\n    /**\n     * The Y.js origin symbol used for binding transactions, or a function that returns the symbol.\n     * One will be automatically generated if not provided.\n     */\n    yjsOrigin?: symbol | (() => symbol)\n  }): {\n    /**\n     * The bound node.\n     */\n    node: T\n\n    /**\n     * Resolves the corresponding Y.js value for a given target node.\n     *\n     * @param node - The node to resolve in the bound Yjs structure.\n     * @returns The resolved Y.js value.\n     * @throws Error if the target node is not found in the bound tree.\n     */\n    getYjsValueForNode: (node: object) => unknown\n\n    /**\n     * Disposes the binding.\n     */\n    dispose: _Dispose\n\n    /**\n     * Disposes the binding.\n     */\n    [Symbol.dispose](): void\n  } => {\n    yjsOrigin = yjsOrigin ?? Symbol(\"mobx-bonsai-yjs-origin\")\n\n    // Convert yjsOrigin to a getter function if it's a plain symbol\n    const yjsOriginGetter = typeof yjsOrigin === \"function\" ? yjsOrigin : () => yjsOrigin\n\n    const node = createNodeFromYjsObject<T>(yjsObject)\n\n    const yjsReplicatingRef = { current: 0 }\n\n    const yjsOriginCache = new WeakSet<symbol>()\n\n    const yjsToNodeReplicationAdmin = setupYjsToNodeReplication({\n      node: node,\n      yjsObject,\n      yjsOriginCache,\n      yjsReplicatingRef,\n    })\n\n    const nodeToYjsReplicationAdmin = setupNodeToYjsReplication({\n      node: node,\n      yjsDoc,\n      yjsObject,\n      yjsOriginGetter,\n      yjsOriginCache,\n      yjsReplicatingRef,\n    })\n\n    // run node initialization callbacks here, later, to sync changes\n    walkTree(\n      node,\n      (n) => {\n        const { type } = getNodeTypeAndKey(n)\n        type?._initNode(n as NodeWithAnyType)\n      },\n      WalkTreeMode.ChildrenFirst\n    )\n\n    const ret = {\n      node,\n\n      getYjsValueForNode: (target: object) => {\n        if (target === node) {\n          return yjsObject\n        }\n        const path = getParentToChildPath(node, target)\n        if (!path) {\n          throw new Error(\"node not found in the bound tree\")\n        }\n        return resolveYjsStructurePath(yjsObject, path)\n      },\n\n      dispose: _disposeOnce(() => {\n        nodeToYjsReplicationAdmin.dispose()\n        yjsToNodeReplicationAdmin.dispose()\n      }),\n\n      [Symbol.dispose]: () => {\n        ret.dispose()\n      },\n    }\n\n    return ret\n  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