Ghost/ghost/admin/app/components/gh-koenig-editor-lexical.hbs

<div class="gh-koenig-editor relative w-100 vh-100 overflow-x-hidden overflow-y-auto z-0" {{did-insert this.registerElement}} ...attributes>
    {{!-- full height content pane --}}
    {{!-- template-lint-disable no-invalid-interactive no-passed-in-event-handlers --}}
    <div
        class="gh-koenig-editor-pane flex flex-column mih-100"
        {{on "mousedown" this.trackMousedown}}
        {{on "mouseup" this.focusEditor}}
        {{on "dragover" this.editorPaneDragover}}
        {{on "drop" this.editorPaneDrop}}
    >
        <GhEditorFeatureImage
            @image={{@featureImage}}
            @updateImage={{@setFeatureImage}}
            @clearImage={{@clearFeatureImage}}
            @alt={{@featureImageAlt}}
            @updateAlt={{@setFeatureImageAlt}}
            @caption={{@featureImageCaption}}
            @updateCaption={{@setFeatureImageCaption}}
            @forceButtonDisplay={{or (not @title) (eq @title "(Untitled)") this.titleIsHovered this.titleIsFocused}}
            @isHidden={{or (not @cardOptions.post.showTitleAndFeatureImage) false}}
        />

        <div class="gh-editor-title-container page-improvements">
            {{#if (and (not @cardOptions.post.showTitleAndFeatureImage) (not @featureImage))}}
                <span class="gh-editor-hidden-indicator" data-tooltip="Post title is hidden on page">
                    {{svg-jar "eye-closed"}}
                </span>
            {{/if}}

            <GhTextarea
                @class="gh-editor-title {{if (and (not @cardOptions.post.showTitleAndFeatureImage) (not this.titleIsFocused)) "faded"}}"
                @placeholder={{@titlePlaceholder}}
                @shouldFocus={{or @titleAutofocus false}}
                @tabindex="1"
                @autoExpand=".gh-koenig-editor"
                @value={{readonly this.title}}
                @input={{this.updateTitle}}
                @focus-out={{optional @onTitleBlur}}
                @keyDown={{this.onTitleKeydown}}
                @didCreateTextarea={{this.registerTitleElement}}
                {{on "focus" (fn (mut this.titleIsFocused) true)}}
                {{on "blur" (fn (mut this.titleIsFocused) false)}}
                {{on "mouseover" (fn (mut this.titleIsHovered) true)}}
                {{on "mouseleave" (fn (mut this.titleIsHovered) false)}}
                {{on "paste" this.cleanPastedTitle}}
                data-test-editor-title-input={{true}}
            />
        </div>

        <KoenigLexicalEditor
            @lexical={{@body}}
            @placeholder={{@bodyPlaceholder}}
            @cardConfig={{@cardOptions}}
            @onChange={{@onBodyChange}}
            @registerAPI={{this.registerEditorAPI}}
            @cursorDidExitAtTop={{this.focusTitle}}
            @updateWordCount={{@updateWordCount}}
        />
    </div>
</div>