biomathcode

import React, { useEffect, useState, useRef, useMemo, useCallback } from 'react';
import { Text, Editor, createEditor, Node, Range, Point, Transforms } from 'slate';
import {
  Slate,
  Editable,
  withReact,
  useSelected,
  useFocused,
  useSlate } from 'slate-react';
import { withHistory } from 'slate-history';