lib/focusAtEnd.js
function focusAtEnd(change) {
    const { value } = change;
    const document = value.document;
    return change.collapseToEndOf(document);
}
function focusAtEnd(change) {
    const { value } = change;
    const document = value.document;
    return change.collapseToEndOf(document);
}
function focusAtEnd ( change ) { const { value } = change ; const document = value . document ; return change . collapseToEndOf ( document ) ; }
Focus at the end of the document
@param  {Slate.Change} change
@return {Slate.Change}
Focus at the end of the document