content: import _extends from "@babel/runtime/helpers/extends";
  import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
  import React from 'react';
  import PropTypes from 'prop-types';
  import clsx from 'clsx';
  import { chainPropTypes } from '@material-ui/utils';
  import withStyles from '../styles/withStyles';
  import { fade } from '../styles/colorManipulator';
  import ButtonBase from '../ButtonBase';
  import { capitalize } from '../utils/helpers';
  export var styles = function styles(theme) {
    return {
      /* Styles applied to the root element. */
      root: {
        textAlign: 'center',
        flex: '0 0 auto',
        fontSize: theme.typography.pxToRem(24),
        padding: 12,
        borderRadius: '50%',
        overflow: 'visible',
        // Explicitly set the default value to solve a bug on IE 11.
        color: theme.palette.action.active,
        transition: theme.transitions.create('background-color', {
          duration: theme.transitions.duration.shortest
        }),
        '&:hover': {
          backgroundColor: fade(theme.palette.action.active, theme.palette.action.hoverOpacity),
          // Reset on touch devices, it doesn't add specificity
          '@media (hover: none)': {
            backgroundColor: 'transparent'
          }
        },
        '&$disabled': {
          backgroundColor: 'transparent',
          color: theme.palette.action.disabled
        }
      },
  
      /* Styles applied to the root element if `edge="start"`. */
      edgeStart: {
        marginLeft: -12,
        '$sizeSmall&': {
          marginLeft: -3
        }
      },
  
      /* Styles applied to the root element if `edge="end"`. */
      edgeEnd: {
        marginRight: -12,
        '$sizeSmall&': {
          marginRight: -3
        }
      },
  
      /* Styles applied to the root element if `color="inherit"`. */
      colorInherit: {
        color: 'inherit'
      },
  
      /* Styles applied to the root element if `color="primary"`. */
      colorPrimary: {
        color: theme.palette.primary.main,
        '&:hover': {
          backgroundColor: fade(theme.palette.primary.main, theme.palette.action.hoverOpacity),
          // Reset on touch devices, it doesn't add specificity
          '@media (hover: none)': {
            backgroundColor: 'transparent'
          }
        }
      },
  
      /* Styles applied to the root element if `color="secondary"`. */
      colorSecondary: {
        color: theme.palette.secondary.main,
        '&:hover': {
          backgroundColor: fade(theme.palette.secondary.main, theme.palette.action.hoverOpacity),
          // Reset on touch devices, it doesn't add specificity
          '@media (hover: none)': {
            backgroundColor: 'transparent'
          }
        }
      },
  
      /* Styles applied to the root element if `disabled={true}`. */
      disabled: {},
  
      /* Styles applied to the root element if `size="small"`. */
      sizeSmall: {
        padding: 3,
        fontSize: theme.typography.pxToRem(18)
      },
  
      /* Styles applied to the children container element. */
      label: {
        width: '100%',
        display: 'flex',
        alignItems: 'inherit',
        justifyContent: 'inherit'
      }
    };
  };
  /**
   * Refer to the [Icons](/components/icons/) section of the documentation
   * regarding the available icon options.
   */
  
  var IconButton = React.forwardRef(function IconButton(props, ref) {
    var _props$edge = props.edge,
        edge = _props$edge === void 0 ? false : _props$edge,
        children = props.children,
        classes = props.classes,
        className = props.className,
        _props$color = props.color,
        color = _props$color === void 0 ? 'default' : _props$color,
        _props$disabled = props.disabled,
        disabled = _props$disabled === void 0 ? false : _props$disabled,
        _props$disableFocusRi = props.disableFocusRipple,
        disableFocusRipple = _props$disableFocusRi === void 0 ? false : _props$disableFocusRi,
        _props$size = props.size,
        size = _props$size === void 0 ? 'medium' : _props$size,
        other = _objectWithoutProperties(props, ["edge", "children", "classes", "className", "color", "disabled", "disableFocusRipple", "size"]);
  
    return React.createElement(ButtonBase, _extends({
      className: clsx(classes.root, color !== 'default' && classes["color".concat(capitalize(color))], disabled && classes.disabled, size !== 'medium' && classes["size".concat(capitalize(size))], edge === 'start' && classes.edgeStart, edge === 'end' && classes.edgeEnd, className),
      centerRipple: true,
      focusRipple: !disableFocusRipple,
      disabled: disabled,
      ref: ref
    }, other), React.createElement("span", {
      className: classes.label
    }, children));
  });
  process.env.NODE_ENV !== "production" ? IconButton.propTypes = {
    /**
     * The icon element.
     */
    children: chainPropTypes(PropTypes.node, function (props) {
      var found = React.Children.toArray(props.children).some(function (child) {
        return React.isValidElement(child) && child.props.onClick;
      });
  
      if (found) {
        return new Error(['Material-UI: you are providing an onClick event listener ' + 'to a child of a button element.', 'Firefox will never trigger the event.', 'You should move the onClick listener to the parent button element.', 'https://github.com/mui-org/material-ui/issues/13957'].join('\n'));
      }
  
      return null;
    }),
  
    /**
     * Override or extend the styles applied to the component.
     * See [CSS API](#css) 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', 'inherit', 'primary', 'secondary']),
  
    /**
     * If `true`, the button will be disabled.
     */
    disabled: PropTypes.bool,
  
    /**
     * If `true`, the  keyboard focus ripple will be disabled.
     * `disableRipple` must also be true.
     */
    disableFocusRipple: PropTypes.bool,
  
    /**
     * If `true`, the ripple effect will be disabled.
     */
    disableRipple: PropTypes.bool,
  
    /**
     * If given, uses a negative margin to counteract the padding on one
     * side (this is often helpful for aligning the left or right
     * side of the icon with content above or below, without ruining the border
     * size and shape).
     */
    edge: PropTypes.oneOf(['start', 'end', false]),
  
    /**
     * The size of the button.
     * `small` is equivalent to the dense button styling.
     */
    size: PropTypes.oneOf(['small', 'medium'])
  } : void 0;
  export default withStyles(styles, {
    name: 'MuiIconButton'
  })(IconButton);