{"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 { isFragment } from 'react-is';\nimport PropTypes from 'prop-types';\nimport * as ReactDOM from 'react-dom';\nimport ownerDocument from '../utils/ownerDocument';\nimport List from '../List';\nimport getScrollbarSize from '../utils/getScrollbarSize';\nimport useForkRef from '../utils/useForkRef';\n\nfunction nextItem(list, item, disableListWrap) {\n  if (list === item) {\n    return list.firstChild;\n  }\n\n  if (item && item.nextElementSibling) {\n    return item.nextElementSibling;\n  }\n\n  return disableListWrap ? null : list.firstChild;\n}\n\nfunction previousItem(list, item, disableListWrap) {\n  if (list === item) {\n    return disableListWrap ? list.firstChild : list.lastChild;\n  }\n\n  if (item && item.previousElementSibling) {\n    return item.previousElementSibling;\n  }\n\n  return disableListWrap ? null : list.lastChild;\n}\n\nfunction textCriteriaMatches(nextFocus, textCriteria) {\n  if (textCriteria === undefined) {\n    return true;\n  }\n\n  var text = nextFocus.innerText;\n\n  if (text === undefined) {\n    // jsdom doesn't support innerText\n    text = nextFocus.textContent;\n  }\n\n  text = text.trim().toLowerCase();\n\n  if (text.length === 0) {\n    return false;\n  }\n\n  if (textCriteria.repeating) {\n    return text[0] === textCriteria.keys[0];\n  }\n\n  return text.indexOf(textCriteria.keys.join('')) === 0;\n}\n\nfunction moveFocus(list, currentFocus, disableListWrap, disabledItemsFocusable, traversalFunction, textCriteria) {\n  var wrappedOnce = false;\n  var nextFocus = traversalFunction(list, currentFocus, currentFocus ? disableListWrap : false);\n\n  while (nextFocus) {\n    // Prevent infinite loop.\n    if (nextFocus === list.firstChild) {\n      if (wrappedOnce) {\n        return;\n      }\n\n      wrappedOnce = true;\n    } // Same logic as useAutocomplete.js\n\n\n    var nextFocusDisabled = disabledItemsFocusable ? false : nextFocus.disabled || nextFocus.getAttribute('aria-disabled') === 'true';\n\n    if (!nextFocus.hasAttribute('tabindex') || !textCriteriaMatches(nextFocus, textCriteria) || nextFocusDisabled) {\n      // Move to the next element.\n      nextFocus = traversalFunction(list, nextFocus, disableListWrap);\n    } else {\n      nextFocus.focus();\n      return;\n    }\n  }\n}\n\nvar useEnhancedEffect = typeof window === 'undefined' ? React.useEffect : React.useLayoutEffect;\n/**\n * A permanently displayed menu following https://www.w3.org/TR/wai-aria-practices/#menubutton.\n * It's exposed to help customization of the [`Menu`](/api/menu/) component. If you\n * use it separately you need to move focus into the component manually. Once\n * the focus is placed inside the component it is fully keyboard accessible.\n */\n\nvar MenuList = /*#__PURE__*/React.forwardRef(function MenuList(props, ref) {\n  var actions = props.actions,\n      _props$autoFocus = props.autoFocus,\n      autoFocus = _props$autoFocus === void 0 ? false : _props$autoFocus,\n      _props$autoFocusItem = props.autoFocusItem,\n      autoFocusItem = _props$autoFocusItem === void 0 ? false : _props$autoFocusItem,\n      children = props.children,\n      className = props.className,\n      _props$disabledItemsF = props.disabledItemsFocusable,\n      disabledItemsFocusable = _props$disabledItemsF === void 0 ? false : _props$disabledItemsF,\n      _props$disableListWra = props.disableListWrap,\n      disableListWrap = _props$disableListWra === void 0 ? false : _props$disableListWra,\n      onKeyDown = props.onKeyDown,\n      _props$variant = props.variant,\n      variant = _props$variant === void 0 ? 'selectedMenu' : _props$variant,\n      other = _objectWithoutProperties(props, [\"actions\", \"autoFocus\", \"autoFocusItem\", \"children\", \"className\", \"disabledItemsFocusable\", \"disableListWrap\", \"onKeyDown\", \"variant\"]);\n\n  var listRef = React.useRef(null);\n  var textCriteriaRef = React.useRef({\n    keys: [],\n    repeating: true,\n    previousKeyMatched: true,\n    lastTime: null\n  });\n  useEnhancedEffect(function () {\n    if (autoFocus) {\n      listRef.current.focus();\n    }\n  }, [autoFocus]);\n  React.useImperativeHandle(actions, function () {\n    return {\n      adjustStyleForScrollbar: function adjustStyleForScrollbar(containerElement, theme) {\n        // Let's ignore that piece of logic if users are already overriding the width\n        // of the menu.\n        var noExplicitWidth = !listRef.current.style.width;\n\n        if (containerElement.clientHeight < listRef.current.clientHeight && noExplicitWidth) {\n          var scrollbarSize = \"\".concat(getScrollbarSize(true), \"px\");\n          listRef.current.style[theme.direction === 'rtl' ? 'paddingLeft' : 'paddingRight'] = scrollbarSize;\n          listRef.current.style.width = \"calc(100% + \".concat(scrollbarSize, \")\");\n        }\n\n        return listRef.current;\n      }\n    };\n  }, []);\n\n  var handleKeyDown = function handleKeyDown(event) {\n    var list = listRef.current;\n    var key = event.key;\n    /**\n     * @type {Element} - will always be defined since we are in a keydown handler\n     * attached to an element. A keydown event is either dispatched to the activeElement\n     * or document.body or document.documentElement. Only the first case will\n     * trigger this specific handler.\n     */\n\n    var currentFocus = ownerDocument(list).activeElement;\n\n    if (key === 'ArrowDown') {\n      // Prevent scroll of the page\n      event.preventDefault();\n      moveFocus(list, currentFocus, disableListWrap, disabledItemsFocusable, nextItem);\n    } else if (key === 'ArrowUp') {\n      event.preventDefault();\n      moveFocus(list, currentFocus, disableListWrap, disabledItemsFocusable, previousItem);\n    } else if (key === 'Home') {\n      event.preventDefault();\n      moveFocus(list, null, disableListWrap, disabledItemsFocusable, nextItem);\n    } else if (key === 'End') {\n      event.preventDefault();\n      moveFocus(list, null, disableListWrap, disabledItemsFocusable, previousItem);\n    } else if (key.length === 1) {\n      var criteria = textCriteriaRef.current;\n      var lowerKey = key.toLowerCase();\n      var currTime = performance.now();\n\n      if (criteria.keys.length > 0) {\n        // Reset\n        if (currTime - criteria.lastTime > 500) {\n          criteria.keys = [];\n          criteria.repeating = true;\n          criteria.previousKeyMatched = true;\n        } else if (criteria.repeating && lowerKey !== criteria.keys[0]) {\n          criteria.repeating = false;\n        }\n      }\n\n      criteria.lastTime = currTime;\n      criteria.keys.push(lowerKey);\n      var keepFocusOnCurrent = currentFocus && !criteria.repeating && textCriteriaMatches(currentFocus, criteria);\n\n      if (criteria.previousKeyMatched && (keepFocusOnCurrent || moveFocus(list, currentFocus, false, disabledItemsFocusable, nextItem, criteria))) {\n        event.preventDefault();\n      } else {\n        criteria.previousKeyMatched = false;\n      }\n    }\n\n    if (onKeyDown) {\n      onKeyDown(event);\n    }\n  };\n\n  var handleOwnRef = React.useCallback(function (instance) {\n    // #StrictMode ready\n    listRef.current = ReactDOM.findDOMNode(instance);\n  }, []);\n  var handleRef = useForkRef(handleOwnRef, ref);\n  /**\n   * the index of the item should receive focus\n   * in a `variant=\"selectedMenu\"` it's the first `selected` item\n   * otherwise it's the very first item.\n   */\n\n  var activeItemIndex = -1; // since we inject focus related props into children we have to do a lookahead\n  // to check if there is a `selected` item. We're looking for the last `selected`\n  // item and use the first valid item as a fallback\n\n  React.Children.forEach(children, function (child, index) {\n    if (! /*#__PURE__*/React.isValidElement(child)) {\n      return;\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (isFragment(child)) {\n        console.error([\"Material-UI: The Menu component doesn't accept a Fragment as a child.\", 'Consider providing an array instead.'].join('\\n'));\n      }\n    }\n\n    if (!child.props.disabled) {\n      if (variant === 'selectedMenu' && child.props.selected) {\n        activeItemIndex = index;\n      } else if (activeItemIndex === -1) {\n        activeItemIndex = index;\n      }\n    }\n  });\n  var items = React.Children.map(children, function (child, index) {\n    if (index === activeItemIndex) {\n      var newChildProps = {};\n\n      if (autoFocusItem) {\n        newChildProps.autoFocus = true;\n      }\n\n      if (child.props.tabIndex === undefined && variant === 'selectedMenu') {\n        newChildProps.tabIndex = 0;\n      }\n\n      return /*#__PURE__*/React.cloneElement(child, newChildProps);\n    }\n\n    return child;\n  });\n  return /*#__PURE__*/React.createElement(List, _extends({\n    role: \"menu\",\n    ref: handleRef,\n    className: className,\n    onKeyDown: handleKeyDown,\n    tabIndex: autoFocus ? 0 : -1\n  }, other), items);\n});\nprocess.env.NODE_ENV !== \"production\" ? MenuList.propTypes = {\n  // ----------------------------- Warning --------------------------------\n  // | These PropTypes are generated from the TypeScript type definitions |\n  // |     To update them edit the d.ts file and run \"yarn proptypes\"     |\n  // ----------------------------------------------------------------------\n\n  /**\n   * If `true`, will focus the `[role=\"menu\"]` container and move into tab order.\n   */\n  autoFocus: PropTypes.bool,\n\n  /**\n   * If `true`, will focus the first menuitem if `variant=\"menu\"` or selected item\n   * if `variant=\"selectedMenu\"`.\n   */\n  autoFocusItem: PropTypes.bool,\n\n  /**\n   * MenuList contents, normally `MenuItem`s.\n   */\n  children: PropTypes.node,\n\n  /**\n   * @ignore\n   */\n  className: PropTypes.string,\n\n  /**\n   * If `true`, will allow focus on disabled items.\n   */\n  disabledItemsFocusable: PropTypes.bool,\n\n  /**\n   * If `true`, the menu items will not wrap focus.\n   */\n  disableListWrap: PropTypes.bool,\n\n  /**\n   * @ignore\n   */\n  onKeyDown: PropTypes.func,\n\n  /**\n   * The variant to use. Use `menu` to prevent selected items from impacting the initial focus\n   * and the vertical alignment relative to the anchor element.\n   */\n  variant: PropTypes.oneOf(['menu', 'selectedMenu'])\n} : void 0;\nexport default 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_extends from \"@babel/runtime/helpers/esm/extends\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\nimport * as React from 'react';\nimport { isFragment } from 'react-is';\nimport PropTypes from 'prop-types';\nimport * as ReactDOM from 'react-dom';\nimport ownerDocument from '../utils/ownerDocument';\nimport List from '../List';\nimport getScrollbarSize from '../utils/getScrollbarSize';\nimport useForkRef from '../utils/useForkRef';\n\nfunction nextItem(list, item, disableListWrap) {\n  if (list === item) {\n    return list.firstChild;\n  }\n\n  if (item && item.nextElementSibling) {\n    return item.nextElementSibling;\n  }\n\n  return disableListWrap ? null : list.firstChild;\n}\n\nfunction previousItem(list, item, disableListWrap) {\n  if (list === item) {\n    return disableListWrap ? list.firstChild : list.lastChild;\n  }\n\n  if (item && item.previousElementSibling) {\n    return item.previousElementSibling;\n  }\n\n  return disableListWrap ? null : list.lastChild;\n}\n\nfunction textCriteriaMatches(nextFocus, textCriteria) {\n  if (textCriteria === undefined) {\n    return true;\n  }\n\n  var text = nextFocus.innerText;\n\n  if (text === undefined) {\n    // jsdom doesn't support innerText\n    text = nextFocus.textContent;\n  }\n\n  text = text.trim().toLowerCase();\n\n  if (text.length === 0) {\n    return false;\n  }\n\n  if (textCriteria.repeating) {\n    return text[0] === textCriteria.keys[0];\n  }\n\n  return text.indexOf(textCriteria.keys.join('')) === 0;\n}\n\nfunction moveFocus(list, currentFocus, disableListWrap, disabledItemsFocusable, traversalFunction, textCriteria) {\n  var wrappedOnce = false;\n  var nextFocus = traversalFunction(list, currentFocus, currentFocus ? disableListWrap : false);\n\n  while (nextFocus) {\n    // Prevent infinite loop.\n    if (nextFocus === list.firstChild) {\n      if (wrappedOnce) {\n        return;\n      }\n\n      wrappedOnce = true;\n    } // Same logic as useAutocomplete.js\n\n\n    var nextFocusDisabled = disabledItemsFocusable ? false : nextFocus.disabled || nextFocus.getAttribute('aria-disabled') === 'true';\n\n    if (!nextFocus.hasAttribute('tabindex') || !textCriteriaMatches(nextFocus, textCriteria) || nextFocusDisabled) {\n      // Move to the next element.\n      nextFocus = traversalFunction(list, nextFocus, disableListWrap);\n    } else {\n      nextFocus.focus();\n      return;\n    }\n  }\n}\n\nvar useEnhancedEffect = typeof window === 'undefined' ? React.useEffect : React.useLayoutEffect;\n/**\n * A permanently displayed menu following https://www.w3.org/TR/wai-aria-practices/#menubutton.\n * It's exposed to help customization of the [`Menu`](/api/menu/) component. If you\n * use it separately you need to move focus into the component manually. Once\n * the focus is placed inside the component it is fully keyboard accessible.\n */\n\nvar MenuList = /*#__PURE__*/React.forwardRef(function MenuList(props, ref) {\n  var actions = props.actions,\n      _props$autoFocus = props.autoFocus,\n      autoFocus = _props$autoFocus === void 0 ? false : _props$autoFocus,\n      _props$autoFocusItem = props.autoFocusItem,\n      autoFocusItem = _props$autoFocusItem === void 0 ? false : _props$autoFocusItem,\n      children = props.children,\n      className = props.className,\n      _props$disabledItemsF = props.disabledItemsFocusable,\n      disabledItemsFocusable = _props$disabledItemsF === void 0 ? false : _props$disabledItemsF,\n      _props$disableListWra = props.disableListWrap,\n      disableListWrap = _props$disableListWra === void 0 ? false : _props$disableListWra,\n      onKeyDown = props.onKeyDown,\n      _props$variant = props.variant,\n      variant = _props$variant === void 0 ? 'selectedMenu' : _props$variant,\n      other = _objectWithoutProperties(props, [\"actions\", \"autoFocus\", \"autoFocusItem\", \"children\", \"className\", \"disabledItemsFocusable\", \"disableListWrap\", \"onKeyDown\", \"variant\"]);\n\n  var listRef = React.useRef(null);\n  var textCriteriaRef = React.useRef({\n    keys: [],\n    repeating: true,\n    previousKeyMatched: true,\n    lastTime: null\n  });\n  useEnhancedEffect(function () {\n    if (autoFocus) {\n      listRef.current.focus();\n    }\n  }, [autoFocus]);\n  React.useImperativeHandle(actions, function () {\n    return {\n      adjustStyleForScrollbar: function adjustStyleForScrollbar(containerElement, theme) {\n        // Let's ignore that piece of logic if users are already overriding the width\n        // of the menu.\n        var noExplicitWidth = !listRef.current.style.width;\n\n        if (containerElement.clientHeight < listRef.current.clientHeight && noExplicitWidth) {\n          var scrollbarSize = \"\".concat(getScrollbarSize(true), \"px\");\n          listRef.current.style[theme.direction === 'rtl' ? 'paddingLeft' : 'paddingRight'] = scrollbarSize;\n          listRef.current.style.width = \"calc(100% + \".concat(scrollbarSize, \")\");\n        }\n\n        return listRef.current;\n      }\n    };\n  }, []);\n\n  var handleKeyDown = function handleKeyDown(event) {\n    var list = listRef.current;\n    var key = event.key;\n    /**\n     * @type {Element} - will always be defined since we are in a keydown handler\n     * attached to an element. A keydown event is either dispatched to the activeElement\n     * or document.body or document.documentElement. Only the first case will\n     * trigger this specific handler.\n     */\n\n    var currentFocus = ownerDocument(list).activeElement;\n\n    if (key === 'ArrowDown') {\n      // Prevent scroll of the page\n      event.preventDefault();\n      moveFocus(list, currentFocus, disableListWrap, disabledItemsFocusable, nextItem);\n    } else if (key === 'ArrowUp') {\n      event.preventDefault();\n      moveFocus(list, currentFocus, disableListWrap, disabledItemsFocusable, previousItem);\n    } else if (key === 'Home') {\n      event.preventDefault();\n      moveFocus(list, null, disableListWrap, disabledItemsFocusable, nextItem);\n    } else if (key === 'End') {\n      event.preventDefault();\n      moveFocus(list, null, disableListWrap, disabledItemsFocusable, previousItem);\n    } else if (key.length === 1) {\n      var criteria = textCriteriaRef.current;\n      var lowerKey = key.toLowerCase();\n      var currTime = performance.now();\n\n      if (criteria.keys.length > 0) {\n        // Reset\n        if (currTime - criteria.lastTime > 500) {\n          criteria.keys = [];\n          criteria.repeating = true;\n          criteria.previousKeyMatched = true;\n        } else if (criteria.repeating && lowerKey !== criteria.keys[0]) {\n          criteria.repeating = false;\n        }\n      }\n\n      criteria.lastTime = currTime;\n      criteria.keys.push(lowerKey);\n      var keepFocusOnCurrent = currentFocus && !criteria.repeating && textCriteriaMatches(currentFocus, criteria);\n\n      if (criteria.previousKeyMatched && (keepFocusOnCurrent || moveFocus(list, currentFocus, false, disabledItemsFocusable, nextItem, criteria))) {\n        event.preventDefault();\n      } else {\n        criteria.previousKeyMatched = false;\n      }\n    }\n\n    if (onKeyDown) {\n      onKeyDown(event);\n    }\n  };\n\n  var handleOwnRef = React.useCallback(function (instance) {\n    // #StrictMode ready\n    listRef.current = ReactDOM.findDOMNode(instance);\n  }, []);\n  var handleRef = useForkRef(handleOwnRef, ref);\n  /**\n   * the index of the item should receive focus\n   * in a `variant=\"selectedMenu\"` it's the first `selected` item\n   * otherwise it's the very first item.\n   */\n\n  var activeItemIndex = -1; // since we inject focus related props into children we have to do a lookahead\n  // to check if there is a `selected` item. We're looking for the last `selected`\n  // item and use the first valid item as a fallback\n\n  React.Children.forEach(children, function (child, index) {\n    if (! /*#__PURE__*/React.isValidElement(child)) {\n      return;\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (isFragment(child)) {\n        console.error([\"Material-UI: The Menu component doesn't accept a Fragment as a child.\", 'Consider providing an array instead.'].join('\\n'));\n      }\n    }\n\n    if (!child.props.disabled) {\n      if (variant === 'selectedMenu' && child.props.selected) {\n        activeItemIndex = index;\n      } else if (activeItemIndex === -1) {\n        activeItemIndex = index;\n      }\n    }\n  });\n  var items = React.Children.map(children, function (child, index) {\n    if (index === activeItemIndex) {\n      var newChildProps = {};\n\n      if (autoFocusItem) {\n        newChildProps.autoFocus = true;\n      }\n\n      if (child.props.tabIndex === undefined && variant === 'selectedMenu') {\n        newChildProps.tabIndex = 0;\n      }\n\n      return /*#__PURE__*/React.cloneElement(child, newChildProps);\n    }\n\n    return child;\n  });\n  return /*#__PURE__*/React.createElement(List, _extends({\n    role: \"menu\",\n    ref: handleRef,\n    className: className,\n    onKeyDown: handleKeyDown,\n    tabIndex: autoFocus ? 0 : -1\n  }, other), items);\n});\nprocess.env.NODE_ENV !== \"production\" ? MenuList.propTypes = {\n  // ----------------------------- Warning --------------------------------\n  // | These PropTypes are generated from the TypeScript type definitions |\n  // |     To update them edit the d.ts file and run \"yarn proptypes\"     |\n  // ----------------------------------------------------------------------\n\n  /**\n   * If `true`, will focus the `[role=\"menu\"]` container and move into tab order.\n   */\n  autoFocus: PropTypes.bool,\n\n  /**\n   * If `true`, will focus the first menuitem if `variant=\"menu\"` or selected item\n   * if `variant=\"selectedMenu\"`.\n   */\n  autoFocusItem: PropTypes.bool,\n\n  /**\n   * MenuList contents, normally `MenuItem`s.\n   */\n  children: PropTypes.node,\n\n  /**\n   * @ignore\n   */\n  className: PropTypes.string,\n\n  /**\n   * If `true`, will allow focus on disabled items.\n   */\n  disabledItemsFocusable: PropTypes.bool,\n\n  /**\n   * If `true`, the menu items will not wrap focus.\n   */\n  disableListWrap: PropTypes.bool,\n\n  /**\n   * @ignore\n   */\n  onKeyDown: PropTypes.func,\n\n  /**\n   * The variant to use. Use `menu` to prevent selected items from impacting the initial focus\n   * and the vertical alignment relative to the anchor element.\n   */\n  variant: PropTypes.oneOf(['menu', 'selectedMenu'])\n} : void 0;\nexport default MenuList;"]},"metadata":{},"sourceType":"module"}