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

React components that implement Google's Material Design.

import _extends from "@babel/runtime/helpers/builtin/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/builtin/objectWithoutProperties";
import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import withStyles from '../styles/withStyles';
import { capitalize } from '../utils/helpers';
export const styles = theme => ({
  root: theme.mixins.gutters({
    boxSizing: 'border-box',
    lineHeight: '48px',
    listStyle: 'none',
    color: theme.palette.text.secondary,
    fontFamily: theme.typography.fontFamily,
    fontWeight: theme.typography.fontWeightMedium,
    fontSize: theme.typography.pxToRem(14)
  }),
  colorPrimary: {
    color: theme.palette.primary.main
  },
  colorInherit: {
    color: 'inherit'
  },
  inset: {
    paddingLeft: theme.spacing.unit * 9
  },
  sticky: {
    position: 'sticky',
    top: 0,
    zIndex: 1,
    backgroundColor: 'inherit'
  }
});

function ListSubheader(props) {
  const {
    classes,
    className,
    color,
    component: Component,
    disableSticky,
    inset
  } = props,
        other = _objectWithoutProperties(props, ["classes", "className", "color", "component", "disableSticky", "inset"]);

  return React.createElement(Component, _extends({
    className: classNames(classes.root, {
      [classes[`color${capitalize(color)}`]]: color !== 'default',
      [classes.inset]: inset,
      [classes.sticky]: !disableSticky
    }, className)
  }, other));
}

ListSubheader.propTypes = process.env.NODE_ENV !== "production" ? {
  /**
   * The content of the component.
   */
  children: PropTypes.node,

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

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

  /**
   * The color of the component. It supports those theme colors that make sense for this component.
   */
  color: PropTypes.oneOf(['default', 'primary', 'inherit']),

  /**
   * The component used for the root node.
   * Either a string to use a DOM element or a component.
   */
  component: PropTypes.oneOfType([PropTypes.string, PropTypes.func, PropTypes.object]),

  /**
   * If `true`, the List Subheader will not stick to the top during scroll.
   */
  disableSticky: PropTypes.bool,

  /**
   * If `true`, the List Subheader will be indented.
   */
  inset: PropTypes.bool
} : {};
ListSubheader.defaultProps = {
  color: 'default',
  component: 'li',
  disableSticky: false,
  inset: false
};
ListSubheader.muiName = 'ListSubheader';
export default withStyles(styles, {
  name: 'MuiListSubheader'
})(ListSubheader);