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Menu.js
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Tue, Feb 4, 09:31

Menu.js
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import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
const _excluded = ["onEntering"],
_excluded2 = ["autoFocus", "children", "disableAutoFocusItem", "MenuListProps", "onClose", "open", "PaperProps", "PopoverClasses", "transitionDuration", "TransitionProps", "variant"];
import * as React from 'react';
import { isFragment } from 'react-is';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import { unstable_composeClasses as composeClasses } from '@mui/base';
import { HTMLElementType } from '@mui/utils';
import MenuList from '../MenuList';
import Paper from '../Paper';
import Popover from '../Popover';
import styled, { rootShouldForwardProp } from '../styles/styled';
import useTheme from '../styles/useTheme';
import useThemeProps from '../styles/useThemeProps';
import { getMenuUtilityClass } from './menuClasses';
import { jsx as _jsx } from "react/jsx-runtime";
const RTL_ORIGIN = {
vertical: 'top',
horizontal: 'right'
};
const LTR_ORIGIN = {
vertical: 'top',
horizontal: 'left'
};
const useUtilityClasses = ownerState => {
const {
classes
} = ownerState;
const slots = {
root: ['root'],
paper: ['paper'],
list: ['list']
};
return composeClasses(slots, getMenuUtilityClass, classes);
};
const MenuRoot = styled(Popover, {
shouldForwardProp: prop => rootShouldForwardProp(prop) || prop === 'classes',
name: 'MuiMenu',
slot: 'Root',
overridesResolver: (props, styles) => styles.root
})({});
const MenuPaper = styled(Paper, {
name: 'MuiMenu',
slot: 'Paper',
overridesResolver: (props, styles) => styles.paper
})({
// specZ: The maximum height of a simple menu should be one or more rows less than the view
// height. This ensures a tapable area outside of the simple menu with which to dismiss
// the menu.
maxHeight: 'calc(100% - 96px)',
// Add iOS momentum scrolling for iOS < 13.0
WebkitOverflowScrolling: 'touch'
});
const MenuMenuList = styled(MenuList, {
name: 'MuiMenu',
slot: 'List',
overridesResolver: (props, styles) => styles.list
})({
// We disable the focus ring for mouse, touch and keyboard users.
outline: 0
});
const Menu = /*#__PURE__*/React.forwardRef(function Menu(inProps, ref) {
const props = useThemeProps({
props: inProps,
name: 'MuiMenu'
});
const {
autoFocus = true,
children,
disableAutoFocusItem = false,
MenuListProps = {},
onClose,
open,
PaperProps = {},
PopoverClasses,
transitionDuration = 'auto',
TransitionProps: {
onEntering
} = {},
variant = 'selectedMenu'
} = props,
TransitionProps = _objectWithoutPropertiesLoose(props.TransitionProps, _excluded),
other = _objectWithoutPropertiesLoose(props, _excluded2);
const theme = useTheme();
const isRtl = theme.direction === 'rtl';
const ownerState = _extends({}, props, {
autoFocus,
disableAutoFocusItem,
MenuListProps,
onEntering,
PaperProps,
transitionDuration,
TransitionProps,
variant
});
const classes = useUtilityClasses(ownerState);
const autoFocusItem = autoFocus && !disableAutoFocusItem && open;
const menuListActionsRef = React.useRef(null);
const handleEntering = (element, isAppearing) => {
if (menuListActionsRef.current) {
menuListActionsRef.current.adjustStyleForScrollbar(element, theme);
}
if (onEntering) {
onEntering(element, isAppearing);
}
};
const handleListKeyDown = event => {
if (event.key === 'Tab') {
event.preventDefault();
if (onClose) {
onClose(event, 'tabKeyDown');
}
}
};
/**
* the index of the item should receive focus
* in a `variant="selectedMenu"` it's the first `selected` item
* otherwise it's the very first item.
*/
let activeItemIndex = -1;
// since we inject focus related props into children we have to do a lookahead
// to check if there is a `selected` item. We're looking for the last `selected`
// item and use the first valid item as a fallback
React.Children.map(children, (child, index) => {
if (! /*#__PURE__*/React.isValidElement(child)) {
return;
}
if (process.env.NODE_ENV !== 'production') {
if (isFragment(child)) {
console.error(["MUI: The Menu component doesn't accept a Fragment as a child.", 'Consider providing an array instead.'].join('\n'));
}
}
if (!child.props.disabled) {
if (variant === 'selectedMenu' && child.props.selected) {
activeItemIndex = index;
} else if (activeItemIndex === -1) {
activeItemIndex = index;
}
}
});
return /*#__PURE__*/_jsx(MenuRoot, _extends({
onClose: onClose,
anchorOrigin: {
vertical: 'bottom',
horizontal: isRtl ? 'right' : 'left'
},
transformOrigin: isRtl ? RTL_ORIGIN : LTR_ORIGIN,
PaperProps: _extends({
component: MenuPaper
}, PaperProps, {
classes: _extends({}, PaperProps.classes, {
root: classes.paper
})
}),
className: classes.root,
open: open,
ref: ref,
transitionDuration: transitionDuration,
TransitionProps: _extends({
onEntering: handleEntering
}, TransitionProps),
ownerState: ownerState
}, other, {
classes: PopoverClasses,
children: /*#__PURE__*/_jsx(MenuMenuList, _extends({
onKeyDown: handleListKeyDown,
actions: menuListActionsRef,
autoFocus: autoFocus && (activeItemIndex === -1 || disableAutoFocusItem),
autoFocusItem: autoFocusItem,
variant: variant
}, MenuListProps, {
className: clsx(classes.list, MenuListProps.className),
children: children
}))
}));
});
process.env.NODE_ENV !== "production" ? Menu.propTypes /* remove-proptypes */ = {
// ----------------------------- Warning --------------------------------
// | These PropTypes are generated from the TypeScript type definitions |
// | To update them edit the d.ts file and run "yarn proptypes" |
// ----------------------------------------------------------------------
/**
* An HTML element, or a function that returns one.
* It's used to set the position of the menu.
*/
anchorEl: PropTypes /* @typescript-to-proptypes-ignore */.oneOfType([HTMLElementType, PropTypes.func]),
/**
* If `true` (Default) will focus the `[role="menu"]` if no focusable child is found. Disabled
* children are not focusable. If you set this prop to `false` focus will be placed
* on the parent modal container. This has severe accessibility implications
* and should only be considered if you manage focus otherwise.
* @default true
*/
autoFocus: PropTypes.bool,
/**
* Menu contents, normally `MenuItem`s.
*/
children: PropTypes.node,
/**
* Override or extend the styles applied to the component.
*/
classes: PropTypes.object,
/**
* When opening the menu will not focus the active item but the `[role="menu"]`
* unless `autoFocus` is also set to `false`. Not using the default means not
* following WAI-ARIA authoring practices. Please be considerate about possible
* accessibility implications.
* @default false
*/
disableAutoFocusItem: PropTypes.bool,
/**
* Props applied to the [`MenuList`](/material-ui/api/menu-list/) element.
* @default {}
*/
MenuListProps: PropTypes.object,
/**
* Callback fired when the component requests to be closed.
*
* @param {object} event The event source of the callback.
* @param {string} reason Can be: `"escapeKeyDown"`, `"backdropClick"`, `"tabKeyDown"`.
*/
onClose: PropTypes.func,
/**
* If `true`, the component is shown.
*/
open: PropTypes.bool.isRequired,
/**
* @ignore
*/
PaperProps: PropTypes.object,
/**
* `classes` prop applied to the [`Popover`](/material-ui/api/popover/) element.
*/
PopoverClasses: PropTypes.object,
/**
* The system prop that allows defining system overrides as well as additional CSS styles.
*/
sx: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.func, PropTypes.object, PropTypes.bool])), PropTypes.func, PropTypes.object]),
/**
* The length of the transition in `ms`, or 'auto'
* @default 'auto'
*/
transitionDuration: PropTypes.oneOfType([PropTypes.oneOf(['auto']), PropTypes.number, PropTypes.shape({
appear: PropTypes.number,
enter: PropTypes.number,
exit: PropTypes.number
})]),
/**
* Props applied to the transition element.
* By default, the element is based on this [`Transition`](http://reactcommunity.org/react-transition-group/transition/) component.
* @default {}
*/
TransitionProps: PropTypes.object,
/**
* The variant to use. Use `menu` to prevent selected items from impacting the initial focus.
* @default 'selectedMenu'
*/
variant: PropTypes.oneOf(['menu', 'selectedMenu'])
} : void 0;
export default Menu;

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