Passed to CommentForm by CommentThread, for a new comment, and by
CommentNode, for a reply.
onSubmit: (body: string) => Promise<void>
Sends the text. The form empties itself once it resolves. When it throws,
as expectOk does, the form keeps the text and shows the error under
errorTitle.
submitLabel: React.ReactNode
pendingLabel: React.ReactNode
errorTitle: string
optional
placeholder: string
optional
onCancel: () => void
Without it, the form has no Cancel button.
optional
cancelWhenEmpty: boolean
Shows Cancel only once there is text to throw away, and doesn't cancel on Escape. For the new-comment form, which has nothing to close.
optional
editorRef: React.Ref<TextEditorHandle>
optional
layout: "inline" | "top"
top puts leading beside the editor, for the new-comment form. inline
is for replies, inside a comment.
optional
leading: React.ReactNode
optional
className: string
Applies to the inline layout only.