`react-hook-form` wrapper for Material UI Slider component

CustomSlider.jsx

import React, { useEffect, useCallback, useState, useMemo } from 'react';
import t from 'prop-types';
import clsx from 'clsx';
import { makeStyles } from '@material-ui/core/styles';
import Box from '@material-ui/core/Box';
import Slider from '@material-ui/core/Slider';

const useStyles = makeStyles(theme => ({
  sliderWrapper: {},
  sliderLabel: {
    marginTop: theme.spacing(1),
    marginBottom: theme.spacing(0.5),
    color: theme.palette.primary.main,
  },
}));

function CustomSlider({
  register,
  unregister,
  setValue,
  name,
  rules,
  defaultValue,
  valueLabelAs,
  formatLabel,
  ...rest
}) {
  const cl = useStyles();

  const [currentValue, setCurrentValue] = useState(defaultValue);

  useEffect(() => {
    register({ name });
    return () => unregister(name);
  }, [defaultValue, name, register, setValue, unregister]);

  const valueLabel = useMemo(() => {
    if (!valueLabelAs) {
      return null;
    }

    return React.cloneElement(
      valueLabelAs,
      { className: clsx(valueLabelAs.props.className, cl.sliderLabel) },
      formatLabel(currentValue)
    );
  }, [cl.sliderLabel, currentValue, formatLabel, valueLabelAs]);

  const handleChange = useCallback(
    (_, value) => {
      setValue(name, value);
      setCurrentValue(value);
    },
    [name, setValue]
  );

  return (
    <React.Fragment>
      {valueLabel}
      <Box className={cl.sliderWrapper}>
        <Slider {...rest} onChange={handleChange} defaultValue={defaultValue} />
      </Box>
    </React.Fragment>
  );
}

CustomSlider.defaultProps = {
  rules: {},
  defaultValue: '',
  valueLabelAs: null,
  formatLabel: v => v,
};

CustomSlider.propTypes = {
  register: t.func.isRequired,
  unregister: t.func.isRequired,
  setValue: t.func.isRequired,
  name: t.string.isRequired,
  rules: t.object,
  defaultValue: t.oneOfType([t.number, t.string]),
  valueLabelAs: t.node,
  formatLabel: t.func,
};

export default CustomSlider;

usage.jsx

<Slider
  min={100}
  max={1200}
  step={100}
  track={false}
  defaultValue={defaultValues.words}
  register={register}
  unregister={unregister}
  setValue={setValue}
  name="words"
  rules={{
    required: 'Número de palavras é obrigatório.',
  }}
  valueLabelAs={<Typography variant="body1">Foo</Typography>}
  formatLabel={formatNumber}
/>