As per React & CKEditor5 Image upload options:
https://ckeditor.com/docs/ckeditor5/latest/features/image-upload/image-upload.html
The following code does render the CKEditor component correctly:
import CKEditor from '@ckeditor/ckeditor5-react';
import ClassicEditor from '@ckeditor/ckeditor5-build-classic';
import Base64UploadAdapter from '@ckeditor/ckeditor5-upload/src/base64uploadadapter';
...
<CKEditor
editor={ ClassicEditor }
data= { value }
onInit={ editor => {
console.log( { event, editor, editor.getData()} );
} }
onChange={ ( event, editor ) => {
const data = editor.getData();
onChange(data);
} }
onBlur={ editor => {
console.log( 'Blur.', editor );
} }
onFocus={ editor => {
console.log( …Run Code Online (Sandbox Code Playgroud)