@vericus/slate-kit-history/lib/queries/hasUndo.js

plugin that group together history of selections to the next editing event on slate for undo/redo

export default function hasUndo(editor, value) {
    var undos = value
        ? value.data.get("undos")
        : editor.value.data.get("undos");
    return !(undos &&
        undos
            .filter(function (undo) {
            return !(undo.size === 1 &&
                (undo.get(0).type === "set_selection" ||
                    undo.get(0).type === "set_value"));
        })
            .isEmpty());
}
//# sourceMappingURL=hasUndo.js.map