@ckeditor/ckeditor5-undo

What is @ckeditor/ckeditor5-undo?

@ckeditor/ckeditor5-undo is a plugin for CKEditor 5 that provides undo and redo functionalities. It allows users to revert changes made to the content and reapply them if needed, enhancing the editing experience by providing a way to easily correct mistakes or revisit previous states of the content.

What are @ckeditor/ckeditor5-undo's main functionalities?

Undo

This feature allows users to revert the last change made to the content. The code sample demonstrates how to include the Undo plugin in a CKEditor 5 build and add undo functionality to the toolbar.

import Undo from '@ckeditor/ckeditor5-undo/src/undo';

ClassicEditor
    .create( document.querySelector( '#editor' ), {
        plugins: [ Undo, ... ],
        toolbar: [ 'undo', 'redo', ... ]
    } )
    .catch( error => {
        console.error( error );
    } );

Redo

This feature allows users to reapply the last undone change. The code sample shows how to include the Redo functionality in the CKEditor 5 toolbar using the Undo plugin.

import Undo from '@ckeditor/ckeditor5-undo/src/undo';

ClassicEditor
    .create( document.querySelector( '#editor' ), {
        plugins: [ Undo, ... ],
        toolbar: [ 'undo', 'redo', ... ]
    } )
    .catch( error => {
        console.error( error );
    } );

Other packages similar to @ckeditor/ckeditor5-undo

quill

Quill is a modern WYSIWYG editor built for compatibility and extensibility. It includes built-in undo and redo functionalities similar to @ckeditor/ckeditor5-undo. Quill's undo and redo features are part of its core module, making it easy to use without additional plugins.

tinymce

TinyMCE is a popular rich text editor that also provides undo and redo functionalities. Similar to @ckeditor/ckeditor5-undo, TinyMCE includes these features as part of its core editor capabilities, allowing users to easily revert and reapply changes.

draft-js

Draft.js is a JavaScript rich text editor framework developed by Facebook. It provides undo and redo functionalities through its EditorState management. Unlike @ckeditor/ckeditor5-undo, Draft.js requires more setup and configuration to implement these features.

README

CKEditor 5 undo feature

This package implements undo support for CKEditor 5.

Installation

This plugin is part of the ckeditor5 package. Install the whole package to use it.

npm install ckeditor5

Create free account

If you want to check full CKEditor 5 capabilities, sign up for a free non-commitment 14-day trial.

Demo

Check out the demo in the undo/redo feature guide.

Documentation

See the @ckeditor/ckeditor5-undo package page in CKEditor 5 documentation.

License

Licensed under a dual-license model, this software is available under:

• the GNU General Public License Version 2 or later,
• or commercial license terms from CKSource Holding sp. z o.o.

For more information, see: https://ckeditor.com/legal/ckeditor-licensing-options.

Changelog

44.0.0 (December 2, 2024)

Release Highlights

We are excited to introduce CKEditor 5 v44.0.0, a release packed with high impact updates designed to enhance your editing experience and simplify access to our premium offers. Here's what’s new:

🚀 Self-service plans: Simplified access to premium features

We are introducing flexible self-service plans that put you in control with full transparency. Now, you can:

• Choose the plan that fits your needs, pay only for what you use, and get started instantly with a commitment-free trial.
• Seamlessly manage your license keys, track usage, and more in the new Customer Portal.

💡 Important for current users:

If you are upgrading to v44.0.0+, ensure a smooth transition by updating your license keys in the editor, as we implemented a new format of the key. To get the new key, visit the Customer Portal. You can also refer to our license key and activation guide for help with logging in to the portal.

📣 The open-source licensing remains unchanged. However, config.licenseKey is now a required property in the editor configuration. Use 'GPL' for installations under the GPL terms. Read more in the update guide.

🔖 Bookmarks: Organize your content with ease

Say hello to Bookmarks, a long-awaited feature that simplifies content navigation within the editor. With this release, you can:

• Add anchors as reference points within text.
• Link to the newly created bookmarks in the editor to navigate to specific locations within complex documents, such as contracts or technical manuals.

📍 Future updates to Bookmarks and the linking experience are planned for the upcoming releases. Follow progress and share your feedback on GitHub.

⚡ Performance improvements: Faster table rendering

The current release includes another stride towards improving the performance aspect of the editor, this time focusing on how tables are handled in the content. Implemented optimizations have made table rendering 3x faster, with the average load time of a document with a very long, complex tables dropping from around 4.5 seconds to just 1.5 seconds.