@material-ui/core/es/OutlinedInput/NotchedOutline.js

React components that implement Google's Material Design.

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import { withStyles } from '../styles';
import { capitalize } from '../utils/helpers';
export const styles = theme => {
  const align = theme.direction === 'rtl' ? 'right' : 'left';
  return {
    /* Styles applied to the root element. */
    root: {
      position: 'absolute',
      bottom: 0,
      right: 0,
      top: -5,
      left: 0,
      margin: 0,
      padding: 0,
      pointerEvents: 'none',
      borderRadius: theme.shape.borderRadius,
      borderStyle: 'solid',
      borderWidth: 1,
      // Match the Input Label
      transition: theme.transitions.create([`padding-${align}`, 'border-color', 'border-width'], {
        duration: theme.transitions.duration.shorter,
        easing: theme.transitions.easing.easeOut
      })
    },

    /* Styles applied to the legend element. */
    legend: {
      textAlign: 'left',
      padding: 0,
      lineHeight: '11px',
      transition: theme.transitions.create('width', {
        duration: theme.transitions.duration.shorter,
        easing: theme.transitions.easing.easeOut
      })
    }
  };
};
/**
 * @ignore - internal component.
 */

const NotchedOutline = React.forwardRef(function NotchedOutline(props, ref) {
  const {
    classes,
    className,
    labelWidth: labelWidthProp,
    notched,
    style,
    theme
  } = props,
        other = _objectWithoutPropertiesLoose(props, ["children", "classes", "className", "labelWidth", "notched", "style", "theme"]);

  const align = theme.direction === 'rtl' ? 'right' : 'left';
  const labelWidth = labelWidthProp > 0 ? labelWidthProp * 0.75 + 8 : 0;
  return React.createElement("fieldset", _extends({
    "aria-hidden": true,
    style: _extends({
      [`padding${capitalize(align)}`]: 8 + (notched ? 0 : labelWidth / 2)
    }, style),
    className: clsx(classes.root, className),
    ref: ref
  }, other), React.createElement("legend", {
    className: classes.legend,
    style: {
      // IE 11: fieldset with legend does not render
      // a border radius. This maintains consistency
      // by always having a legend rendered
      width: notched ? labelWidth : 0.01
    }
  }, React.createElement("span", {
    dangerouslySetInnerHTML: {
      __html: '​'
    }
  })));
});
process.env.NODE_ENV !== "production" ? NotchedOutline.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,

  /**
   * The width of the label.
   */
  labelWidth: PropTypes.number.isRequired,

  /**
   * If `true`, the outline is notched to accommodate the label.
   */
  notched: PropTypes.bool.isRequired,

  /**
   * @ignore
   */
  style: PropTypes.object,

  /**
   * @ignore
   */
  theme: PropTypes.object
} : void 0;
export default withStyles(styles, {
  name: 'PrivateNotchedOutline',
  withTheme: true
})(NotchedOutline);