13.5.39

export UpdateEncoderV1

README.md

@@ -15,6 +15,7 @@ suited for even large documents.
 
 * Demos: [https://github.com/yjs/yjs-demos](https://github.com/yjs/yjs-demos)
 * Discuss: [https://discuss.yjs.dev](https://discuss.yjs.dev)
+* Chat: [Gitter](https://gitter.im/Yjs/community) | [Discord](https://discord.gg/T3nqMT6qbM)
 * Benchmark Yjs vs. Automerge:
   [https://github.com/dmonad/crdt-benchmarks](https://github.com/dmonad/crdt-benchmarks)
 * Podcast [**"Yjs Deep Dive into real time collaborative editing solutions":**](https://www.tag1consulting.com/blog/deep-dive-real-time-collaborative-editing-solutions-tagteamtalk-001-0)

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "yjs",
-  "version": "13.5.36",
+  "version": "13.5.39",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "yjs",
-      "version": "13.5.36",
+      "version": "13.5.39",
       "license": "MIT",
       "dependencies": {
         "lib0": "^0.2.49"

package.json

@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "13.5.36",
+  "version": "13.5.39",
   "description": "Shared Editing Library",
   "main": "./dist/yjs.cjs",
   "module": "./dist/yjs.mjs",
@@ -26,6 +26,7 @@
   },
   "exports": {
     ".": {
+      "types": "./dist/src/index.d.ts",
       "import": "./dist/yjs.mjs",
       "require": "./dist/yjs.cjs"
     },

src/index.js

@@ -89,7 +89,8 @@ export {
   diffUpdate,
   diffUpdateV2,
   convertUpdateFormatV1ToV2,
-  convertUpdateFormatV2ToV1
+  convertUpdateFormatV2ToV1,
+  UpdateEncoderV1
 } from './internals.js'
 
 const glo = /** @type {any} */ (typeof window !== 'undefined'
@@ -101,9 +102,9 @@ const importIdentifier = '__ $YJS$ __'
 
 if (glo[importIdentifier] === true) {
   /**
-   * Dear reader of this warning message. Please take this seriously.
+   * Dear reader of this message. Please take this seriously.
    *
-   * If you see this message, please make sure that you only import one version of Yjs. In many cases,
+   * If you see this message, make sure that you only import one version of Yjs. In many cases,
    * your package manager installs two versions of Yjs that are used by different packages within your project.
    * Another reason for this message is that some parts of your project use the commonjs version of Yjs
    * and others use the EcmaScript version of Yjs.
@@ -112,6 +113,6 @@ if (glo[importIdentifier] === true) {
    * e.g. `struct instanceof GC`. If you imported different versions of Yjs, it is impossible for us to
    * do the constructor checks anymore - which might break the CRDT algorithm.
    */
-  console.warn('Yjs was already imported. Importing different versions of Yjs often leads to issues.')
+  console.error('Yjs was already imported. This breaks constructor checks and will lead to isssues!')
 }
 glo[importIdentifier] = true

src/utils/UndoManager.js

@@ -132,6 +132,7 @@ const popStackItem = (undoManager, stack, eventType) => {
 /**
  * @typedef {Object} UndoManagerOptions
  * @property {number} [UndoManagerOptions.captureTimeout=500]
+ * @property {function(Transaction):boolean} [UndoManagerOptions.captureTransaction] Do not capture changes of a Transaction if result false.
  * @property {function(Item):boolean} [UndoManagerOptions.deleteFilter=()=>true] Sometimes
  * it is necessary to filter whan an Undo/Redo operation can delete. If this
  * filter returns false, the type/item won't be deleted even it is in the
@@ -154,7 +155,13 @@ export class UndoManager extends Observable {
    * @param {AbstractType<any>|Array<AbstractType<any>>} typeScope Accepts either a single type, or an array of types
    * @param {UndoManagerOptions} options
    */
-  constructor (typeScope, { captureTimeout = 500, deleteFilter = () => true, trackedOrigins = new Set([null]), ignoreRemoteMapChanges = false } = {}) {
+  constructor (typeScope, {
+    captureTimeout = 500,
+    captureTransaction = tr => true,
+    deleteFilter = () => true,
+    trackedOrigins = new Set([null]),
+    ignoreRemoteMapChanges = false
+  } = {}) {
     super()
     /**
      * @type {Array<AbstractType<any>>}
@@ -164,6 +171,7 @@ export class UndoManager extends Observable {
     this.deleteFilter = deleteFilter
     trackedOrigins.add(this)
     this.trackedOrigins = trackedOrigins
+    this.captureTransaction = captureTransaction
     /**
      * @type {Array<StackItem>}
      */
@@ -187,7 +195,11 @@ export class UndoManager extends Observable {
      */
     this.afterTransactionHandler = transaction => {
       // Only track certain transactions
-      if (!this.scope.some(type => transaction.changedParentTypes.has(type)) || (!this.trackedOrigins.has(transaction.origin) && (!transaction.origin || !this.trackedOrigins.has(transaction.origin.constructor)))) {
+      if (
+        !this.captureTransaction(transaction) ||
+        !this.scope.some(type => transaction.changedParentTypes.has(type)) ||
+        (!this.trackedOrigins.has(transaction.origin) && (!transaction.origin || !this.trackedOrigins.has(transaction.origin.constructor)))
+      ) {
         return
       }
       const undoing = this.undoing