mjs nodejs support

utils/DeleteStore.mjs

@@ -2,8 +2,8 @@
  * @module utils
  */
 
-import { Tree } from '../lib/Tree.js'
-import * as ID from './ID.js'
+import { Tree } from '../lib/Tree.mjs'
+import * as ID from './ID.mjs'
 
 class DSNode {
   constructor (id, len, gc) {

utils/ID.mjs

@@ -2,9 +2,9 @@
  * @module utils
  */
 
-import { getStructReference } from './structReferences.js'
-import * as decoding from '../lib/decoding.js'
-import * as encoding from '../lib/encoding.js'
+import { getStructReference } from './structReferences.mjs'
+import * as decoding from '../lib/decoding.mjs'
+import * as encoding from '../lib/encoding.mjs'
 
 export class ID {
   constructor (user, clock) {

utils/OperationStore.mjs

@@ -2,11 +2,11 @@
  * @module utils
  */
 
-import { Tree } from '../lib/Tree.js'
-import * as ID from '../utils/ID.js'
-import { getStruct } from '../utils/structReferences.js'
-import { stringifyID, stringifyItemID } from '../protocols/syncProtocol.js'
-import { GC } from '../structs/GC.js'
+import { Tree } from '../lib/Tree.mjs'
+import * as ID from '../utils/ID.mjs'
+import { getStruct } from '../utils/structReferences.mjs'
+import { stringifyID, stringifyItemID } from '../protocols/syncProtocol.mjs'
+import { GC } from '../structs/GC.mjs'
 
 export class OperationStore extends Tree {
   constructor (y) {

utils/StateStore.mjs

@@ -2,7 +2,7 @@
  * @module utils
  */
 
-import * as ID from '../utils/ID.js'
+import * as ID from '../utils/ID.mjs'
 
 /**
  * @typedef {Map<number, number>} StateSet

utils/Transaction.mjs

@@ -2,11 +2,11 @@
  * @module utils
  */
 
-import * as encoding from '../lib/encoding.js'
-import { Y } from '../utils/Y.js' // eslint-disable-line
-import { Type } from '../structs/Type.js' // eslint-disable-line
-import { Item } from '../structs/Item.js' // eslint-disable-line
-import { YEvent } from './YEvent.js' // eslint-disable-line
+import * as encoding from '../lib/encoding.mjs'
+import { Y } from '../utils/Y.mjs' // eslint-disable-line
+import { Type } from '../structs/Type.mjs' // eslint-disable-line
+import { Item } from '../structs/Item.mjs' // eslint-disable-line
+import { YEvent } from './YEvent.mjs' // eslint-disable-line
 /**
  * A transaction is created for every change on the Yjs model. It is possible
  * to bundle changes on the Yjs model in a single transaction to

utils/UndoManager.mjs

@@ -1,6 +1,6 @@
 
-import * as ID from './ID.js'
-import { isParentOf } from './isParentOf.js'
+import * as ID from './ID.mjs'
+import { isParentOf } from './isParentOf.mjs'
 
 class ReverseOperation {
   constructor (y, transaction, bindingInfos) {

utils/Y.mjs

@@ -1,15 +1,15 @@
-import { DeleteStore } from './DeleteStore.js'
-import { OperationStore } from './OperationStore.js'
-import { StateStore } from './StateStore.js'
-import { generateRandomUint32 } from './generateRandomUint32.js'
-import { createRootID } from './ID.js'
-import { NamedEventHandler } from '../lib/NamedEventHandler.js'
-import { Transaction } from './Transaction.js'
-import * as encoding from '../lib/encoding.js'
-import * as message from '../protocols/syncProtocol.js'
-import { integrateRemoteStructs } from './integrateRemoteStructs.js'
-import { Type } from '../structs/Type.js' // eslint-disable-line
-import { Decoder } from '../lib/decoding.js' // eslint-disable-line
+import { DeleteStore } from './DeleteStore.mjs'
+import { OperationStore } from './OperationStore.mjs'
+import { StateStore } from './StateStore.mjs'
+import { generateRandomUint32 } from './generateRandomUint32.mjs'
+import { createRootID } from './ID.mjs'
+import { NamedEventHandler } from '../lib/NamedEventHandler.mjs'
+import { Transaction } from './Transaction.mjs'
+import * as encoding from '../lib/encoding.mjs'
+import * as message from '../protocols/syncProtocol.mjs'
+import { integrateRemoteStructs } from './integrateRemoteStructs.mjs'
+import { Type } from '../structs/Type.mjs' // eslint-disable-line
+import { Decoder } from '../lib/decoding.mjs' // eslint-disable-line
 
 /**
  * Anything that can be encoded with `JSON.stringify` and can be decoded with
@@ -135,16 +135,18 @@ export class Y extends NamedEventHandler {
   }
 
   /**
-   * @private
    * Fake _start for root properties (y.set('name', type))
+   *
+   * @private
    */
   get _start () {
     return null
   }
 
   /**
-   * @private
    * Fake _start for root properties (y.set('name', type))
+   *
+   * @private
    */
   set _start (start) {}
 

utils/YEvent.mjs

@@ -2,7 +2,7 @@
  * @module utils
  */
 
-import { Type } from '../structs/Type.js' // eslint-disable-line
+import { Type } from '../structs/Type.mjs' // eslint-disable-line
 
 /**
  * YEvent describes the changes on a YType.

utils/defragmentItemContent.mjs

@@ -3,9 +3,9 @@
  * @module utils
  */
 
-import * as ID from '../utils/ID.js'
-import { ItemJSON } from '../structs/ItemJSON.js'
-import { ItemString } from '../structs/ItemString.js'
+import * as ID from '../utils/ID.mjs'
+import { ItemJSON } from '../structs/ItemJSON.mjs'
+import { ItemString } from '../structs/ItemString.mjs'
 
 /**
  * Try to merge all items in os with their successors.

utils/integrateRemoteStructs.mjs

@@ -2,11 +2,11 @@
  * @module utils
  */
 
-import { getStruct } from '../utils/structReferences.js'
-import * as decoding from '../lib/decoding.js'
-import { GC } from '../structs/GC.js'
-import { Y } from '../utils/Y.js' // eslint-disable-line
-import { Item } from '../structs/Item.js' // eslint-disable-line
+import { getStruct } from '../utils/structReferences.mjs'
+import * as decoding from '../lib/decoding.mjs'
+import { GC } from '../structs/GC.mjs'
+import { Y } from '../utils/Y.mjs' // eslint-disable-line
+import { Item } from '../structs/Item.mjs' // eslint-disable-line
 
 class MissingEntry {
   constructor (decoder, missing, struct) {

utils/isParentOf.mjs

@@ -2,8 +2,8 @@
  * @module utils
  */
 
-import { Y } from '../utils/Y.js' // eslint-disable-line
-import { Type } from '../structs/Type.js' // eslint-disable-line
+import { Y } from '../utils/Y.mjs' // eslint-disable-line
+import { Type } from '../structs/Type.mjs' // eslint-disable-line
 
 /**
  * Check if `parent` is a parent of `child`.

utils/relativePosition.mjs

@@ -2,8 +2,8 @@
  * @module utils
  */
 
-import * as ID from './ID.js'
-import { GC } from '../structs/GC.js'
+import * as ID from './ID.mjs'
+import { GC } from '../structs/GC.mjs'
 
 // TODO: Implement function to describe ranges
 

utils/structManipulation.mjs

@@ -0,0 +1,35 @@
+
+import * as ID from '../utils/ID.mjs'
+
+/**
+ * @private
+ * Delete all items in an ID-range.
+ * Does not create delete operations!
+ * TODO: implement getItemCleanStartNode for better performance (only one lookup).
+ */
+export const deleteItemRange = (y, user, clock, range, gcChildren) => {
+  let item = y.os.getItemCleanStart(ID.createID(user, clock))
+  if (item !== null) {
+    if (!item._deleted) {
+      item._splitAt(y, range)
+      item._delete(y, false, true)
+    }
+    let itemLen = item._length
+    range -= itemLen
+    clock += itemLen
+    if (range > 0) {
+      let node = y.os.findNode(ID.createID(user, clock))
+      while (node !== null && node.val !== null && range > 0 && node.val._id.equals(ID.createID(user, clock))) {
+        const nodeVal = node.val
+        if (!nodeVal._deleted) {
+          nodeVal._splitAt(y, range)
+          nodeVal._delete(y, false, gcChildren)
+        }
+        const nodeLen = nodeVal._length
+        range -= nodeLen
+        clock += nodeLen
+        node = node.next()
+      }
+    }
+  }
+}