yonote/yjs
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add destroy logic

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This commit is contained in:
Kevin Jahns 2022-03-25 11:08:26 +01:00
parent b0b276d964
commit e9a0dc4ed2
1 changed files with 12 additions and 2 deletions
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14
src/utils/UndoManager.js
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@ -180,7 +180,10 @@ export class UndoManager extends Observable {
this.redoing = false this.redoing = false
this.doc = /** @type {Doc} */ (this.scope[0].doc) this.doc = /** @type {Doc} */ (this.scope[0].doc)
this.lastChange = 0 this.lastChange = 0
this.doc.on('afterTransaction', /** @param {Transaction} transaction */ transaction => { /**
* @param {Transaction} transaction
*/
this.afterTransactionHandler = transaction => {
// Only track certain transactions // 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.scope.some(type => transaction.changedParentTypes.has(type)) || (!this.trackedOrigins.has(transaction.origin) && (!transaction.origin || !this.trackedOrigins.has(transaction.origin.constructor)))) {
return return
@ -229,7 +232,8 @@ export class UndoManager extends Observable {
} else { } else {
this.emit('stack-item-updated', changeEvent) this.emit('stack-item-updated', changeEvent)
} }
}) }
this.doc.on('afterTransaction', this.afterTransactionHandler)
this.doc.on('destroy', () => { this.doc.on('destroy', () => {
this.destroy() this.destroy()
}) })
@ -350,4 +354,10 @@ export class UndoManager extends Observable {
canRedo () { canRedo () {
return this.redoStack.length > 0 return this.redoStack.length > 0
} }
destroy () {
this.trackedOrigins.delete(this)
this.doc.off('afterTransaction', this.afterTransactionHandler)
super.destroy()
}
} }