Press n or j to go to the next uncovered block, b, p or k for the previous block.
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import * as React from 'react';
import { ChevronDownIcon } from 'lucide-react';
import { cn } from '../lib/utils';
type AccordionProps = {
children: React.ReactNode;
defaultOpenKeys?: string[];
type?: 'single' | 'multiple';
className?: string;
};
type AccordionItemProps = {
children: React.ReactNode;
className?: string;
id?: string;
isOpen?: boolean;
onToggle?: () => void;
};
type AccordionTriggerProps = {
children: React.ReactNode;
className?: string;
id?: string;
isOpen?: boolean;
onToggle?: () => void;
};
type AccordionContentProps = {
children: React.ReactNode;
className?: string;
id?: string;
isOpen?: boolean;
};
export function Accordion({
children,
defaultOpenKeys = [],
type = 'single',
className,
}: AccordionProps) {
const [openKeys, setOpenKeys] = React.useState<string[]>(defaultOpenKeys);
const handleToggle = (key: string) => {
setOpenKeys((prevKeys) => {
if (type === 'single') {
return prevKeys.includes(key) ? [] : [key];
}
return prevKeys.includes(key)
? prevKeys.filter((k) => k !== key)
: [...prevKeys, key];
});
};
const childrenArray = React.Children.toArray(children).filter(
React.isValidElement
);
const itemIds = childrenArray.map((_, index) => `accordion-item-${index}`);
return (
<div className={cn('accordion', className)}>
{React.Children.map(children, (child, index) => {
if (React.isValidElement<AccordionItemProps>(child)) {
const itemId = child.props.id || itemIds[index];
return React.cloneElement(child, {
id: itemId,
isOpen: openKeys.includes(itemId),
onToggle: () => handleToggle(itemId),
});
}
// CHANGED: cover fallback for non-element children
return child;
})}
</div>
);
}
export function AccordionItem({
children,
className,
id,
isOpen,
onToggle,
}: AccordionItemProps) {
return (
<div
id={id}
className={cn('accordion-item border-b last:border-b-0', className)}
>
{React.Children.map(children, (child) => {
if (
React.isValidElement<AccordionTriggerProps | AccordionContentProps>(
child
)
) {
return React.cloneElement(child, { id, isOpen, onToggle });
}
// CHANGED: cover fallback for non-element children in item
return child;
})}
</div>
);
}
export function AccordionTrigger({
children,
className,
id,
isOpen,
onToggle,
}: AccordionTriggerProps) {
const handleKeyDown = (e: React.KeyboardEvent) => {
if (e.key === 'Enter' || e.key === ' ') {
e.preventDefault();
onToggle?.();
}
};
return (
<button
id={`${id}-trigger`}
className={cn(
'flex justify-between items-center w-full py-4 text-sm font-medium text-left transition-all hover:underline focus:outline-none focus-visible:ring focus-visible:ring-offset-2',
className
)}
onClick={onToggle}
onKeyDown={handleKeyDown}
aria-expanded={isOpen}
aria-controls={`${id}-content`}
>
{children}
<ChevronDownIcon
className={cn(
'transition-transform duration-200',
isOpen ? 'rotate-180' : 'rotate-0'
)}
/>
</button>
);
}
export function AccordionContent({
children,
className,
id,
isOpen,
}: AccordionContentProps) {
return (
<div
id={`${id}-content`}
className={cn(
'overflow-hidden transition-all duration-300 ease-in-out',
isOpen ? 'max-h-screen opacity-100' : 'max-h-0 opacity-0'
)}
aria-hidden={!isOpen}
data-testid={`accordion-content-${id}`}
style={{ display: isOpen ? 'block' : 'none' }}
>
<div className={cn('pb-4 text-sm', className)}>{children}</div>
</div>
);
}
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