{"ast":null,"code":"import _extends from \"@babel/runtime/helpers/esm/extends\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\nimport * as React from 'react';\nimport PropTypes from 'prop-types';\nimport * as ReactDOM from 'react-dom';\nimport clsx from 'clsx';\nimport { elementTypeAcceptingRef, refType } from '@material-ui/utils';\nimport useForkRef from '../utils/useForkRef';\nimport useEventCallback from '../utils/useEventCallback';\nimport deprecatedPropType from '../utils/deprecatedPropType';\nimport withStyles from '../styles/withStyles';\nimport useIsFocusVisible from '../utils/useIsFocusVisible';\nimport TouchRipple from './TouchRipple';\nexport var styles = {\n /* Styles applied to the root element. */\n root: {\n display: 'inline-flex',\n alignItems: 'center',\n justifyContent: 'center',\n position: 'relative',\n WebkitTapHighlightColor: 'transparent',\n backgroundColor: 'transparent',\n // Reset default value\n // We disable the focus ring for mouse, touch and keyboard users.\n outline: 0,\n border: 0,\n margin: 0,\n // Remove the margin in Safari\n borderRadius: 0,\n padding: 0,\n // Remove the padding in Firefox\n cursor: 'pointer',\n userSelect: 'none',\n verticalAlign: 'middle',\n '-moz-appearance': 'none',\n // Reset\n '-webkit-appearance': 'none',\n // Reset\n textDecoration: 'none',\n // So we take precedent over the style of a native element.\n color: 'inherit',\n '&::-moz-focus-inner': {\n borderStyle: 'none' // Remove Firefox dotted outline.\n\n },\n '&$disabled': {\n pointerEvents: 'none',\n // Disable link interactions\n cursor: 'default'\n },\n '@media print': {\n colorAdjust: 'exact'\n }\n },\n\n /* Pseudo-class applied to the root element if `disabled={true}`. */\n disabled: {},\n\n /* Pseudo-class applied to the root element if keyboard focused. */\n focusVisible: {}\n};\n/**\n * `ButtonBase` contains as few styles as possible.\n * It aims to be a simple building block for creating a button.\n * It contains a load of style reset and some focus/ripple logic.\n */\n\nvar ButtonBase = /*#__PURE__*/React.forwardRef(function ButtonBase(props, ref) {\n var action = props.action,\n buttonRefProp = props.buttonRef,\n _props$centerRipple = props.centerRipple,\n centerRipple = _props$centerRipple === void 0 ? false : _props$centerRipple,\n children = props.children,\n classes = props.classes,\n className = props.className,\n _props$component = props.component,\n component = _props$component === void 0 ? 'button' : _props$component,\n _props$disabled = props.disabled,\n disabled = _props$disabled === void 0 ? false : _props$disabled,\n _props$disableRipple = props.disableRipple,\n disableRipple = _props$disableRipple === void 0 ? false : _props$disableRipple,\n _props$disableTouchRi = props.disableTouchRipple,\n disableTouchRipple = _props$disableTouchRi === void 0 ? false : _props$disableTouchRi,\n _props$focusRipple = props.focusRipple,\n focusRipple = _props$focusRipple === void 0 ? false : _props$focusRipple,\n focusVisibleClassName = props.focusVisibleClassName,\n onBlur = props.onBlur,\n onClick = props.onClick,\n onFocus = props.onFocus,\n onFocusVisible = props.onFocusVisible,\n onKeyDown = props.onKeyDown,\n onKeyUp = props.onKeyUp,\n onMouseDown = props.onMouseDown,\n onMouseLeave = props.onMouseLeave,\n onMouseUp = props.onMouseUp,\n onTouchEnd = props.onTouchEnd,\n onTouchMove = props.onTouchMove,\n onTouchStart = props.onTouchStart,\n onDragLeave = props.onDragLeave,\n _props$tabIndex = props.tabIndex,\n tabIndex = _props$tabIndex === void 0 ? 0 : _props$tabIndex,\n TouchRippleProps = props.TouchRippleProps,\n _props$type = props.type,\n type = _props$type === void 0 ? 'button' : _props$type,\n other = _objectWithoutProperties(props, [\"action\", \"buttonRef\", \"centerRipple\", \"children\", \"classes\", \"className\", \"component\", \"disabled\", \"disableRipple\", \"disableTouchRipple\", \"focusRipple\", \"focusVisibleClassName\", \"onBlur\", \"onClick\", \"onFocus\", \"onFocusVisible\", \"onKeyDown\", \"onKeyUp\", \"onMouseDown\", \"onMouseLeave\", \"onMouseUp\", \"onTouchEnd\", \"onTouchMove\", \"onTouchStart\", \"onDragLeave\", \"tabIndex\", \"TouchRippleProps\", \"type\"]);\n\n var buttonRef = React.useRef(null);\n\n function getButtonNode() {\n // #StrictMode ready\n return ReactDOM.findDOMNode(buttonRef.current);\n }\n\n var rippleRef = React.useRef(null);\n\n var _React$useState = React.useState(false),\n focusVisible = _React$useState[0],\n setFocusVisible = _React$useState[1];\n\n if (disabled && focusVisible) {\n setFocusVisible(false);\n }\n\n var _useIsFocusVisible = useIsFocusVisible(),\n isFocusVisible = _useIsFocusVisible.isFocusVisible,\n onBlurVisible = _useIsFocusVisible.onBlurVisible,\n focusVisibleRef = _useIsFocusVisible.ref;\n\n React.useImperativeHandle(action, function () {\n return {\n focusVisible: function focusVisible() {\n setFocusVisible(true);\n buttonRef.current.focus();\n }\n };\n }, []);\n React.useEffect(function () {\n if (focusVisible && focusRipple && !disableRipple) {\n rippleRef.current.pulsate();\n }\n }, [disableRipple, focusRipple, focusVisible]);\n\n function useRippleHandler(rippleAction, eventCallback) {\n var skipRippleAction = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : disableTouchRipple;\n return useEventCallback(function (event) {\n if (eventCallback) {\n eventCallback(event);\n }\n\n var ignore = skipRippleAction;\n\n if (!ignore && rippleRef.current) {\n rippleRef.current[rippleAction](event);\n }\n\n return true;\n });\n }\n\n var handleMouseDown = useRippleHandler('start', onMouseDown);\n var handleDragLeave = useRippleHandler('stop', onDragLeave);\n var handleMouseUp = useRippleHandler('stop', onMouseUp);\n var handleMouseLeave = useRippleHandler('stop', function (event) {\n if (focusVisible) {\n event.preventDefault();\n }\n\n if (onMouseLeave) {\n onMouseLeave(event);\n }\n });\n var handleTouchStart = useRippleHandler('start', onTouchStart);\n var handleTouchEnd = useRippleHandler('stop', onTouchEnd);\n var handleTouchMove = useRippleHandler('stop', onTouchMove);\n var handleBlur = useRippleHandler('stop', function (event) {\n if (focusVisible) {\n onBlurVisible(event);\n setFocusVisible(false);\n }\n\n if (onBlur) {\n onBlur(event);\n }\n }, false);\n var handleFocus = useEventCallback(function (event) {\n // Fix for https://github.com/facebook/react/issues/7769\n if (!buttonRef.current) {\n buttonRef.current = event.currentTarget;\n }\n\n if (isFocusVisible(event)) {\n setFocusVisible(true);\n\n if (onFocusVisible) {\n onFocusVisible(event);\n }\n }\n\n if (onFocus) {\n onFocus(event);\n }\n });\n\n var isNonNativeButton = function isNonNativeButton() {\n var button = getButtonNode();\n return component && component !== 'button' && !(button.tagName === 'A' && button.href);\n };\n /**\n * IE 11 shim for https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/repeat\n */\n\n\n var keydownRef = React.useRef(false);\n var handleKeyDown = useEventCallback(function (event) {\n // Check if key is already down to avoid repeats being counted as multiple activations\n if (focusRipple && !keydownRef.current && focusVisible && rippleRef.current && event.key === ' ') {\n keydownRef.current = true;\n event.persist();\n rippleRef.current.stop(event, function () {\n rippleRef.current.start(event);\n });\n }\n\n if (event.target === event.currentTarget && isNonNativeButton() && event.key === ' ') {\n event.preventDefault();\n }\n\n if (onKeyDown) {\n onKeyDown(event);\n } // Keyboard accessibility for non interactive elements\n\n\n if (event.target === event.currentTarget && isNonNativeButton() && event.key === 'Enter' && !disabled) {\n event.preventDefault();\n\n if (onClick) {\n onClick(event);\n }\n }\n });\n var handleKeyUp = useEventCallback(function (event) {\n // calling preventDefault in keyUp on a