/
Option.js
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Option.js
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// @flow
import React, { type Node } from 'react';
import { css } from 'emotion';
import { colors, spacing } from '../theme';
import type { CommonProps, PropsWithStyles, InnerRef } from '../types';
type State = {
/** Wether the option is disabled. */
isDisabled: boolean,
/** Wether the option is focused. */
isFocused: boolean,
/** Whether the option is selected. */
isSelected: boolean,
};
type InnerProps = {
id: string,
key: string,
onClick: MouseEventHandler,
onMouseOver: MouseEventHandler,
tabIndex: number,
};
export type OptionProps = PropsWithStyles &
CommonProps &
State & {
/** The children to be rendered. */
children: Node,
/** Inner ref to DOM Node */
innerRef: InnerRef,
/** props passed to the wrapping element for the group. */
innerProps: InnerProps,
/* Text to be displayed representing the option. */
label: string,
/* Type is used by the menu to determine whether this is an option or a group.
In the case of option this is always `option`. */
type: 'option',
};
export const optionCSS = ({ isDisabled, isFocused, isSelected }: State) => ({
backgroundColor: isSelected
? colors.primary
: isFocused ? colors.primary25 : 'transparent',
color: isDisabled
? colors.neutral20
: isSelected ? colors.neutral0 : 'inherit',
cursor: 'default',
display: 'block',
fontSize: 'inherit',
padding: `${spacing.baseUnit * 2}px ${spacing.baseUnit * 3}px`,
width: '100%',
userSelect: 'none',
WebkitTapHighlightColor: 'rgba(0, 0, 0, 0)',
// provide some affordance on touch devices
':active': {
backgroundColor: isSelected ? colors.primary : colors.primary50,
},
});
const Option = (props: OptionProps) => {
const { children, className, cx, getStyles, isDisabled, isFocused, isSelected, innerRef, innerProps } = props;
return (
<div
ref={innerRef}
className={cx(
css(getStyles('option', props)),
{
'option': true,
'option--is-disabled': isDisabled,
'option--is-focused': isFocused,
'option--is-selected': isSelected,
},
className
)}
{...innerProps}
>
{children}
</div>
);
};
export default Option;