@mui/material/NativeSelect/NativeSelectInput.js

React components that implement Google's Material Design.

import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import _extends from "@babel/runtime/helpers/esm/extends";
const _excluded = ["className", "disabled", "error", "IconComponent", "inputRef", "variant"];
import * as React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import { refType } from '@mui/utils';
import { unstable_composeClasses as composeClasses } from '@mui/base';
import capitalize from '../utils/capitalize';
import nativeSelectClasses, { getNativeSelectUtilityClasses } from './nativeSelectClasses';
import styled, { rootShouldForwardProp } from '../styles/styled';
import { jsx as _jsx } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
const useUtilityClasses = ownerState => {
  const {
    classes,
    variant,
    disabled,
    multiple,
    open,
    error
  } = ownerState;
  const slots = {
    select: ['select', variant, disabled && 'disabled', multiple && 'multiple', error && 'error'],
    icon: ['icon', `icon${capitalize(variant)}`, open && 'iconOpen', disabled && 'disabled']
  };
  return composeClasses(slots, getNativeSelectUtilityClasses, classes);
};
export const nativeSelectSelectStyles = ({
  ownerState,
  theme
}) => _extends({
  MozAppearance: 'none',
  // Reset
  WebkitAppearance: 'none',
  // Reset
  // When interacting quickly, the text can end up selected.
  // Native select can't be selected either.
  userSelect: 'none',
  borderRadius: 0,
  // Reset
  cursor: 'pointer',
  '&:focus': _extends({}, theme.vars ? {
    backgroundColor: `rgba(${theme.vars.palette.common.onBackgroundChannel} / 0.05)`
  } : {
    backgroundColor: theme.palette.mode === 'light' ? 'rgba(0, 0, 0, 0.05)' : 'rgba(255, 255, 255, 0.05)'
  }, {
    borderRadius: 0 // Reset Chrome style
  }),

  // Remove IE11 arrow
  '&::-ms-expand': {
    display: 'none'
  },
  [`&.${nativeSelectClasses.disabled}`]: {
    cursor: 'default'
  },
  '&[multiple]': {
    height: 'auto'
  },
  '&:not([multiple]) option, &:not([multiple]) optgroup': {
    backgroundColor: (theme.vars || theme).palette.background.paper
  },
  // Bump specificity to allow extending custom inputs
  '&&&': {
    paddingRight: 24,
    minWidth: 16 // So it doesn't collapse.
  }
}, ownerState.variant === 'filled' && {
  '&&&': {
    paddingRight: 32
  }
}, ownerState.variant === 'outlined' && {
  borderRadius: (theme.vars || theme).shape.borderRadius,
  '&:focus': {
    borderRadius: (theme.vars || theme).shape.borderRadius // Reset the reset for Chrome style
  },

  '&&&': {
    paddingRight: 32
  }
});
const NativeSelectSelect = styled('select', {
  name: 'MuiNativeSelect',
  slot: 'Select',
  shouldForwardProp: rootShouldForwardProp,
  overridesResolver: (props, styles) => {
    const {
      ownerState
    } = props;
    return [styles.select, styles[ownerState.variant], ownerState.error && styles.error, {
      [`&.${nativeSelectClasses.multiple}`]: styles.multiple
    }];
  }
})(nativeSelectSelectStyles);
export const nativeSelectIconStyles = ({
  ownerState,
  theme
}) => _extends({
  // We use a position absolute over a flexbox in order to forward the pointer events
  // to the input and to support wrapping tags..
  position: 'absolute',
  right: 0,
  top: 'calc(50% - .5em)',
  // Center vertically, height is 1em
  pointerEvents: 'none',
  // Don't block pointer events on the select under the icon.
  color: (theme.vars || theme).palette.action.active,
  [`&.${nativeSelectClasses.disabled}`]: {
    color: (theme.vars || theme).palette.action.disabled
  }
}, ownerState.open && {
  transform: 'rotate(180deg)'
}, ownerState.variant === 'filled' && {
  right: 7
}, ownerState.variant === 'outlined' && {
  right: 7
});
const NativeSelectIcon = styled('svg', {
  name: 'MuiNativeSelect',
  slot: 'Icon',
  overridesResolver: (props, styles) => {
    const {
      ownerState
    } = props;
    return [styles.icon, ownerState.variant && styles[`icon${capitalize(ownerState.variant)}`], ownerState.open && styles.iconOpen];
  }
})(nativeSelectIconStyles);

/**
 * @ignore - internal component.
 */
const NativeSelectInput = /*#__PURE__*/React.forwardRef(function NativeSelectInput(props, ref) {
  const {
      className,
      disabled,
      error,
      IconComponent,
      inputRef,
      variant = 'standard'
    } = props,
    other = _objectWithoutPropertiesLoose(props, _excluded);
  const ownerState = _extends({}, props, {
    disabled,
    variant,
    error
  });
  const classes = useUtilityClasses(ownerState);
  return /*#__PURE__*/_jsxs(React.Fragment, {
    children: [/*#__PURE__*/_jsx(NativeSelectSelect, _extends({
      ownerState: ownerState,
      className: clsx(classes.select, className),
      disabled: disabled,
      ref: inputRef || ref
    }, other)), props.multiple ? null : /*#__PURE__*/_jsx(NativeSelectIcon, {
      as: IconComponent,
      ownerState: ownerState,
      className: classes.icon
    })]
  });
});
process.env.NODE_ENV !== "production" ? NativeSelectInput.propTypes = {
  /**
   * The option elements to populate the select with.
   * Can be some `<option>` elements.
   */
  children: PropTypes.node,
  /**
   * Override or extend the styles applied to the component.
   * See [CSS API](#css) below for more details.
   */
  classes: PropTypes.object,
  /**
   * The CSS class name of the select element.
   */
  className: PropTypes.string,
  /**
   * If `true`, the select is disabled.
   */
  disabled: PropTypes.bool,
  /**
   * If `true`, the `select input` will indicate an error.
   */
  error: PropTypes.bool,
  /**
   * The icon that displays the arrow.
   */
  IconComponent: PropTypes.elementType.isRequired,
  /**
   * Use that prop to pass a ref to the native select element.
   * @deprecated
   */
  inputRef: refType,
  /**
   * @ignore
   */
  multiple: PropTypes.bool,
  /**
   * Name attribute of the `select` or hidden `input` element.
   */
  name: PropTypes.string,
  /**
   * 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` (string).
   */
  onChange: PropTypes.func,
  /**
   * The input value.
   */
  value: PropTypes.any,
  /**
   * The variant to use.
   */
  variant: PropTypes.oneOf(['standard', 'outlined', 'filled'])
} : void 0;
export default NativeSelectInput;