In CKEditor 4 to change the editor height there was a configuration option: config.height.
How do I change the height of CKEditor 5? (the Classic Editor)
Answering my own question as it might help others.
CKEditor 5 no longer comes with a configuration setting to change its height. The height can be easily controlled with CSS.
There is one tricky thing though, if you use the Classic Editor:
<div id="editor1"></div>
ClassicEditor
.create( document.querySelector( '#editor1' ) )
.then( editor => {
// console.log( editor );
} )
.catch( error => {
console.error( error );
} );
Then the Classic Editor will hide the original element (with id editor1
) and render next to it. That's why changing height of #editor1
via CSS will not work.
The simplified HTML structure, after CKEditor 5 (the Classic Editor) renders, looks as follows:
<!-- This one gets hidden -->
<div id="editor1" style="display:none"></div>
<div class="ck-reset ck-editor..." ...>
<div ...>
<!-- This is the editable element -->
<div class="ck-blurred ck-editor__editable ck-rounded-corners ck-editor__editable_inline" role="textbox" aria-label="Rich Text Editor, main" contenteditable="true">
...
</div>
</div>
</div>
In reality the HTML is much more complex, because the whole CKEditor UI is rendered. However the most important element is the "editing area" (or "editing box") marked with a ck-editor__editable_inline
class:
<div class="... ck-editor__editable ck-editor__editable_inline ..."> ... </div>
The "editing area" is the white rectangle where one can enter the text. So to style / change the height of the editing area, it is enough to target the editable element with CSS:
<style>
.ck-editor__editable_inline {
min-height: 400px;
}
</style>