text: import _extends from "@babel/runtime/helpers/esm/extends";
  import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
  import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
  import _typeof from "@babel/runtime/helpers/esm/typeof";
  import { formatMuiErrorMessage as _formatMuiErrorMessage } from "@material-ui/utils";
  import * as React from 'react';
  import { isFragment } from 'react-is';
  import PropTypes from 'prop-types';
  import clsx from 'clsx';
  import { refType } from '@material-ui/utils';
  import ownerDocument from '../utils/ownerDocument';
  import capitalize from '../utils/capitalize';
  import Menu from '../Menu/Menu';
  import { isFilled } from '../InputBase/utils';
  import useForkRef from '../utils/useForkRef';
  import useControlled from '../utils/useControlled';
  import { jsx as _jsx } from "react/jsx-runtime";
  import { jsxs as _jsxs } from "react/jsx-runtime";
  
  function areEqualValues(a, b) {
    if (_typeof(b) === 'object' && b !== null) {
      return a === b;
    }
  
    return String(a) === String(b);
  }
  
  function isEmpty(display) {
    return display == null || typeof display === 'string' && !display.trim();
  }
  /**
   * @ignore - internal component.
   */
  
  
  var SelectInput = /*#__PURE__*/React.forwardRef(function SelectInput(props, ref) {
    var ariaDescribedby = props['aria-describedby'],
        ariaLabel = props['aria-label'],
        autoFocus = props.autoFocus,
        autoWidth = props.autoWidth,
        children = props.children,
        classes = props.classes,
        className = props.className,
        defaultValue = props.defaultValue,
        disabled = props.disabled,
        displayEmpty = props.displayEmpty,
        IconComponent = props.IconComponent,
        inputRefProp = props.inputRef,
        labelId = props.labelId,
        _props$MenuProps = props.MenuProps,
        MenuProps = _props$MenuProps === void 0 ? {} : _props$MenuProps,
        multiple = props.multiple,
        name = props.name,
        onBlur = props.onBlur,
        onChange = props.onChange,
        onClose = props.onClose,
        onFocus = props.onFocus,
        onOpen = props.onOpen,
        openProp = props.open,
        readOnly = props.readOnly,
        renderValue = props.renderValue,
        _props$SelectDisplayP = props.SelectDisplayProps,
        SelectDisplayProps = _props$SelectDisplayP === void 0 ? {} : _props$SelectDisplayP,
        tabIndexProp = props.tabIndex,
        type = props.type,
        valueProp = props.value,
        _props$variant = props.variant,
        variant = _props$variant === void 0 ? 'standard' : _props$variant,
        other = _objectWithoutProperties(props, ["aria-describedby", "aria-label", "autoFocus", "autoWidth", "children", "classes", "className", "defaultValue", "disabled", "displayEmpty", "IconComponent", "inputRef", "labelId", "MenuProps", "multiple", "name", "onBlur", "onChange", "onClose", "onFocus", "onOpen", "open", "readOnly", "renderValue", "SelectDisplayProps", "tabIndex", "type", "value", "variant"]);
  
    var _useControlled = useControlled({
      controlled: valueProp,
      default: defaultValue,
      name: 'Select'
    }),
        _useControlled2 = _slicedToArray(_useControlled, 2),
        value = _useControlled2[0],
        setValueState = _useControlled2[1];
  
    var inputRef = React.useRef(null);
    var displayRef = React.useRef(null);
  
    var _React$useState = React.useState(null),
        displayNode = _React$useState[0],
        setDisplayNode = _React$useState[1];
  
    var _React$useRef = React.useRef(openProp != null),
        isOpenControlled = _React$useRef.current;
  
    var _React$useState2 = React.useState(),
        menuMinWidthState = _React$useState2[0],
        setMenuMinWidthState = _React$useState2[1];
  
    var _React$useState3 = React.useState(false),
        openState = _React$useState3[0],
        setOpenState = _React$useState3[1];
  
    var handleRef = useForkRef(ref, inputRefProp);
    var handleDisplayRef = React.useCallback(function (node) {
      displayRef.current = node;
  
      if (node) {
        setDisplayNode(node);
      }
    }, []);
    React.useImperativeHandle(handleRef, function () {
      return {
        focus: function focus() {
          displayRef.current.focus();
        },
        node: inputRef.current,
        value: value
      };
    }, [value]);
    React.useEffect(function () {
      if (autoFocus) {
        displayRef.current.focus();
      }
    }, [autoFocus]);
    React.useEffect(function () {
      var label = ownerDocument(displayRef.current).getElementById(labelId);
  
      if (label) {
        var handler = function handler() {
          if (getSelection().isCollapsed) {
            displayRef.current.focus();
          }
        };
  
        label.addEventListener('click', handler);
        return function () {
          label.removeEventListener('click', handler);
        };
      }
  
      return undefined;
    }, [labelId]);
  
    var update = function update(open, event) {
      if (open) {
        if (onOpen) {
          onOpen(event);
        }
      } else if (onClose) {
        onClose(event);
      }
  
      if (!isOpenControlled) {
        setMenuMinWidthState(autoWidth ? null : displayNode.clientWidth);
        setOpenState(open);
      }
    };
  
    var handleMouseDown = function handleMouseDown(event) {
      // Ignore everything but left-click
      if (event.button !== 0) {
        return;
      } // Hijack the default focus behavior.
  
  
      event.preventDefault();
      displayRef.current.focus();
      update(true, event);
    };
  
    var handleClose = function handleClose(event) {
      update(false, event);
    };
  
    var childrenArray = React.Children.toArray(children); // Support autofill.
  
    var handleChange = function handleChange(event) {
      var index = childrenArray.map(function (child) {
        return child.props.value;
      }).indexOf(event.target.value);
  
      if (index === -1) {
        return;
      }
  
      var child = childrenArray[index];
      setValueState(child.props.value);
  
      if (onChange) {
        onChange(event, child);
      }
    };
  
    var handleItemClick = function handleItemClick(child) {
      return function (event) {
        var newValue;
  
        if (multiple) {
          newValue = Array.isArray(value) ? value.slice() : [];
          var itemIndex = value.indexOf(child.props.value);
  
          if (itemIndex === -1) {
            newValue.push(child.props.value);
          } else {
            newValue.splice(itemIndex, 1);
          }
        } else {
          newValue = child.props.value;
        }
  
        if (child.props.onClick) {
          child.props.onClick(event);
        }
  
        if (value !== newValue) {
          setValueState(newValue);
  
          if (onChange) {
            // Redefine target to allow name and value to be read.
            // This allows seamless integration with the most popular form libraries.
            // https://github.com/mui-org/material-ui/issues/13485#issuecomment-676048492
            // Clone the event to not override `target` of the original event.
            var nativeEvent = event.nativeEvent || event;
            var clonedEvent = new nativeEvent.constructor(nativeEvent.type, nativeEvent);
            Object.defineProperty(clonedEvent, 'target', {
              writable: true,
              value: {
                value: newValue,
                name: name
              }
            });
            onChange(clonedEvent, child);
          }
        }
  
        if (!multiple) {
          update(false, event);
        }
      };
    };
  
    var handleKeyDown = function handleKeyDown(event) {
      if (!readOnly) {
        var validKeys = [' ', 'ArrowUp', 'ArrowDown', // The native select doesn't respond to enter on MacOS, but it's recommended by
        // https://www.w3.org/TR/wai-aria-practices/examples/listbox/listbox-collapsible.html
        'Enter'];
  
        if (validKeys.indexOf(event.key) !== -1) {
          event.preventDefault();
          update(true, event);
        }
      }
    };
  
    var open = displayNode !== null && (isOpenControlled ? openProp : openState);
  
    var handleBlur = function handleBlur(event) {
      // if open event.stopImmediatePropagation
      if (!open && onBlur) {
        event.persist(); // Preact support, target is read only property on a native event.
  
        Object.defineProperty(event, 'target', {
          writable: true,
          value: {
            value: value,
            name: name
          }
        });
        onBlur(event);
      }
    };
  
    delete other['aria-invalid'];
    var display;
    var displaySingle;
    var displayMultiple = [];
    var computeDisplay = false;
    var foundMatch = false; // No need to display any value if the field is empty.
  
    if (isFilled({
      value: value
    }) || displayEmpty) {
      if (renderValue) {
        display = renderValue(value);
      } else {
        computeDisplay = true;
      }
    }
  
    var items = childrenArray.map(function (child) {
      if (! /*#__PURE__*/React.isValidElement(child)) {
        return null;
      }
  
      if (process.env.NODE_ENV !== 'production') {
        if (isFragment(child)) {
          console.error(["Material-UI: The Select component doesn't accept a Fragment as a child.", 'Consider providing an array instead.'].join('\n'));
        }
      }
  
      var selected;
  
      if (multiple) {
        if (!Array.isArray(value)) {
          throw new Error(process.env.NODE_ENV !== "production" ? "Material-UI: The `value` prop must be an array when using the `Select` component with `multiple`." : _formatMuiErrorMessage(2));
        }
  
        selected = value.some(function (v) {
          return areEqualValues(v, child.props.value);
        });
  
        if (selected && computeDisplay) {
          displayMultiple.push(child.props.children);
        }
      } else {
        selected = areEqualValues(value, child.props.value);
  
        if (selected && computeDisplay) {
          displaySingle = child.props.children;
        }
      }
  
      if (selected) {
        foundMatch = true;
      }
  
      return /*#__PURE__*/React.cloneElement(child, {
        'aria-selected': selected ? 'true' : undefined,
        onClick: handleItemClick(child),
        onKeyUp: function onKeyUp(event) {
          if (event.key === ' ') {
            // otherwise our MenuItems dispatches a click event
            // it's not behavior of the native <option> and causes
            // the select to close immediately since we open on space keydown
            event.preventDefault();
          }
  
          if (child.props.onKeyUp) {
            child.props.onKeyUp(event);
          }
        },
        role: 'option',
        selected: selected,
        value: undefined,
        // The value is most likely not a valid HTML attribute.
        'data-value': child.props.value // Instead, we provide it as a data attribute.
  
      });
    });
  
    if (process.env.NODE_ENV !== 'production') {
      // eslint-disable-next-line react-hooks/rules-of-hooks
      React.useEffect(function () {
        if (!foundMatch && !multiple && value !== '') {
          var values = childrenArray.map(function (child) {
            return child.props.value;
          });
          console.warn(["Material-UI: You have provided an out-of-range value `".concat(value, "` for the select ").concat(name ? "(name=\"".concat(name, "\") ") : '', "component."), "Consider providing a value that matches one of the available options or ''.", "The available values are ".concat(values.filter(function (x) {
            return x != null;
          }).map(function (x) {
            return "`".concat(x, "`");
          }).join(', ') || '""', ".")].join('\n'));
        }
      }, [foundMatch, childrenArray, multiple, name, value]);
    }
  
    if (computeDisplay) {
      display = multiple ? displayMultiple.join(', ') : displaySingle;
    } // Avoid performing a layout computation in the render method.
  
  
    var menuMinWidth = menuMinWidthState;
  
    if (!autoWidth && isOpenControlled && displayNode) {
      menuMinWidth = displayNode.clientWidth;
    }
  
    var tabIndex;
  
    if (typeof tabIndexProp !== 'undefined') {
      tabIndex = tabIndexProp;
    } else {
      tabIndex = disabled ? null : 0;
    }
  
    var buttonId = SelectDisplayProps.id || (name ? "mui-component-select-".concat(name) : undefined);
    return /*#__PURE__*/_jsxs(React.Fragment, {
      children: [/*#__PURE__*/_jsx("div", _extends({
        ref: handleDisplayRef,
        tabIndex: tabIndex,
        role: "button",
        "aria-disabled": disabled ? 'true' : undefined,
        "aria-expanded": open ? 'true' : undefined,
        "aria-haspopup": "listbox",
        "aria-label": ariaLabel,
        "aria-labelledby": [labelId, buttonId].filter(Boolean).join(' ') || undefined,
        "aria-describedby": ariaDescribedby,
        onKeyDown: handleKeyDown,
        onMouseDown: disabled || readOnly ? null : handleMouseDown,
        onBlur: handleBlur,
        onFocus: onFocus
      }, SelectDisplayProps, {
        className: clsx(classes.root, // TODO v5: merge root and select
        classes.select, classes.selectMenu, classes[variant], className, SelectDisplayProps.className, disabled && classes.disabled) // The id is required for proper a11y
        ,
        id: buttonId,
        children: isEmpty(display) ?
        /*#__PURE__*/
        // notranslate needed while Google Translate will not fix zero-width space issue
        // eslint-disable-next-line react/no-danger
        _jsx("span", {
          className: "notranslate",
          dangerouslySetInnerHTML: {
            __html: '&#8203;'
          }
        }) : display
      })), /*#__PURE__*/_jsx("input", _extends({
        value: Array.isArray(value) ? value.join(',') : value,
        name: name,
        ref: inputRef,
        "aria-hidden": true,
        onChange: handleChange,
        tabIndex: -1,
        disabled: disabled,
        className: classes.nativeInput,
        autoFocus: autoFocus
      }, other)), /*#__PURE__*/_jsx(IconComponent, {
        className: clsx(classes.icon, classes["icon".concat(capitalize(variant))], open && classes.iconOpen, disabled && classes.disabled)
      }), /*#__PURE__*/_jsx(Menu, _extends({
        id: "menu-".concat(name || ''),
        anchorEl: displayNode,
        open: open,
        onClose: handleClose
      }, MenuProps, {
        MenuListProps: _extends({
          'aria-labelledby': labelId,
          role: 'listbox',
          disableListWrap: true
        }, MenuProps.MenuListProps),
        PaperProps: _extends({}, MenuProps.PaperProps, {
          style: _extends({
            minWidth: menuMinWidth
          }, MenuProps.PaperProps != null ? MenuProps.PaperProps.style : null)
        }),
        children: items
      }))]
    });
  });
  process.env.NODE_ENV !== "production" ? SelectInput.propTypes = {
    /**
     * @ignore
     */
    'aria-describedby': PropTypes.string,
  
    /**
     * @ignore
     */
    'aria-label': PropTypes.string,
  
    /**
     * @ignore
     */
    autoFocus: PropTypes.bool,
  
    /**
     * If `true`, the width of the popover will automatically be set according to the items inside the
     * menu, otherwise it will be at least the width of the select input.
     */
    autoWidth: PropTypes.bool,
  
    /**
     * The option elements to populate the select with.
     * Can be some `<MenuItem>` elements.
     */
    children: PropTypes.node,
  
    /**
     * Override or extend the styles applied to the component.
     * See [CSS API](#css) below for more details.
     */
    classes: PropTypes.object.isRequired,
  
    /**
     * The CSS class name of the select element.
     */
    className: PropTypes.string,
  
    /**
     * The default value. Use when the component is not controlled.
     */
    defaultValue: PropTypes.any,
  
    /**
     * If `true`, the select is disabled.
     */
    disabled: PropTypes.bool,
  
    /**
     * If `true`, the selected item is displayed even if its value is empty.
     */
    displayEmpty: PropTypes.bool,
  
    /**
     * The icon that displays the arrow.
     */
    IconComponent: PropTypes.elementType.isRequired,
  
    /**
     * Imperative handle implementing `{ value: T, node: HTMLElement, focus(): void }`
     * Equivalent to `ref`
     */
    inputRef: refType,
  
    /**
     * The ID of an element that acts as an additional label. The Select will
     * be labelled by the additional label and the selected value.
     */
    labelId: PropTypes.string,
  
    /**
     * Props applied to the [`Menu`](/api/menu/) element.
     */
    MenuProps: PropTypes.object,
  
    /**
     * If `true`, `value` must be an array and the menu will support multiple selections.
     */
    multiple: PropTypes.bool,
  
    /**
     * Name attribute of the `select` or hidden `input` element.
     */
    name: PropTypes.string,
  
    /**
     * @ignore
     */
    onBlur: PropTypes.func,
  
    /**
     * Callback fired when a menu item is selected.
     *
     * @param {object} event The event source of the callback.
     * You can pull out the new value by accessing `event.target.value` (any).
     * @param {object} [child] The react element that was selected.
     */
    onChange: PropTypes.func,
  
    /**
     * Callback fired when the component requests to be closed.
     * Use in controlled mode (see open).
     *
     * @param {object} event The event source of the callback.
     */
    onClose: PropTypes.func,
  
    /**
     * @ignore
     */
    onFocus: PropTypes.func,
  
    /**
     * Callback fired when the component requests to be opened.
     * Use in controlled mode (see open).
     *
     * @param {object} event The event source of the callback.
     */
    onOpen: PropTypes.func,
  
    /**
     * If `true`, the component is shown.
     */
    open: PropTypes.bool,
  
    /**
     * @ignore
     */
    readOnly: PropTypes.bool,
  
    /**
     * Render the selected value.
     *
     * @param {any} value The `value` provided to the component.
     * @returns {ReactNode}
     */
    renderValue: PropTypes.func,
  
    /**
     * Props applied to the clickable div element.
     */
    SelectDisplayProps: PropTypes.object,
  
    /**
     * @ignore
     */
    tabIndex: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
  
    /**
     * @ignore
     */
    type: PropTypes.any,
  
    /**
     * The input value.
     */
    value: PropTypes.any,
  
    /**
     * The variant to use.
     */
    variant: PropTypes.oneOf(['standard', 'outlined', 'filled'])
  } : void 0;
  export default SelectInput;