@material-ui/core/es/TabScrollButton/TabScrollButton.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";

/* eslint-disable jsx-a11y/aria-role */
import * as React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import KeyboardArrowLeft from '../internal/svg-icons/KeyboardArrowLeft';
import KeyboardArrowRight from '../internal/svg-icons/KeyboardArrowRight';
import withStyles from '../styles/withStyles';
import ButtonBase from '../ButtonBase';
export const styles = {
  /* Styles applied to the root element. */
  root: {
    width: 40,
    flexShrink: 0,
    opacity: 0.8,
    '&$disabled': {
      opacity: 0
    }
  },

  /* Styles applied to the root element if `orientation="vertical"`. */
  vertical: {
    width: '100%',
    height: 40,
    '& svg': {
      transform: 'rotate(90deg)'
    }
  },

  /* Pseudo-class applied to the root element if `disabled={true}`. */
  disabled: {}
};

var _ref = /*#__PURE__*/React.createElement(KeyboardArrowLeft, {
  fontSize: "small"
});

var _ref2 = /*#__PURE__*/React.createElement(KeyboardArrowRight, {
  fontSize: "small"
});

const TabScrollButton = /*#__PURE__*/React.forwardRef(function TabScrollButton(props, ref) {
  const {
    classes,
    className: classNameProp,
    direction,
    orientation,
    disabled
  } = props,
        other = _objectWithoutPropertiesLoose(props, ["classes", "className", "direction", "orientation", "disabled"]);

  return /*#__PURE__*/React.createElement(ButtonBase, _extends({
    component: "div",
    className: clsx(classes.root, classNameProp, disabled && classes.disabled, orientation === 'vertical' && classes.vertical),
    ref: ref,
    role: null,
    tabIndex: null
  }, other), direction === 'left' ? _ref : _ref2);
});
process.env.NODE_ENV !== "production" ? TabScrollButton.propTypes = {
  // ----------------------------- Warning --------------------------------
  // | These PropTypes are generated from the TypeScript type definitions |
  // |     To update them edit the d.ts file and run "yarn proptypes"     |
  // ----------------------------------------------------------------------

  /**
   * The content of the component.
   */
  children: PropTypes.node,

  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css) below for more details.
   */
  classes: PropTypes.object,

  /**
   * @ignore
   */
  className: PropTypes.string,

  /**
   * Which direction should the button indicate?
   */
  direction: PropTypes.oneOf(['left', 'right']).isRequired,

  /**
   * If `true`, the element will be disabled.
   */
  disabled: PropTypes.bool,

  /**
   * The tabs orientation (layout flow direction).
   */
  orientation: PropTypes.oneOf(['horizontal', 'vertical']).isRequired
} : void 0;
export default withStyles(styles, {
  name: 'MuiTabScrollButton'
})(TabScrollButton);