metamask-extension/ui/components/app/tab-bar/tab-bar.js

import React from 'react';
import PropTypes from 'prop-types';
import classnames from 'classnames';

import { Icon, IconName, IconSize, Box } from '../../component-library';
import {
  BorderRadius,
  Color,
  Display,
} from '../../../helpers/constants/design-system';

const TabBar = (props) => {
  const { tabs = [], onSelect, isActive } = props;

  return (
    <div className="tab-bar">
      {tabs.map(({ key, content, icon }) => (
        <Box
          as="button"
          key={key}
          paddingTop={5}
          paddingBottom={5}
          paddingLeft={4}
          paddingRight={4}
          className={classnames('tab-bar__tab pointer', {
            'tab-bar__tab--active': isActive(key, content),
          })}
          onClick={() => onSelect(key)}
        >
          {isActive(key, content) && (
            <Box
              className="tab-bar__tab__selected-indicator"
              borderRadius={BorderRadius.pill}
              backgroundColor={Color.primaryDefault}
              display={[Display.None, Display.Block]}
            />
          )}
          <div className="tab-bar__tab__content">
            <div className="tab-bar__tab__content__icon">{icon}</div>
            <div className="tab-bar__tab__content__title">{content}</div>
          </div>
          <Icon
            name={IconName.ArrowRight}
            size={IconSize.Sm}
            className="tab-bar__tab__caret"
          />
        </Box>
      ))}
    </div>
  );
};

TabBar.propTypes = {
  isActive: PropTypes.func.isRequired,
  tabs: PropTypes.array,
  onSelect: PropTypes.func,
};

export default TabBar;