Introduce DialogContext using React.useId() that auto-wires aria-labelledby and aria-describedby on DialogContent, with matching ids on DialogTitle and DialogDescription. Adds role="dialog" and aria-modal="true". All 12+ existing consumers get proper ARIA labels without any call-site changes. Co-Authored-By: Paperclip <noreply@paperclip.ing>
125 lines
3.3 KiB
TypeScript
125 lines
3.3 KiB
TypeScript
'use client';
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import * as React from 'react';
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import { cn } from '@/lib/utils';
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/* ------------------------------------------------------------------ */
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/* DialogContext — auto-wires aria-labelledby / aria-describedby */
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/* ------------------------------------------------------------------ */
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interface DialogContextValue {
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titleId: string;
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descriptionId: string;
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}
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const DialogContext = React.createContext<DialogContextValue | null>(null);
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function useDialogContext() {
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return React.useContext(DialogContext);
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}
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/* ------------------------------------------------------------------ */
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interface DialogProps {
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open: boolean;
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onOpenChange: (open: boolean) => void;
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children: React.ReactNode;
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}
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function Dialog({ open, onOpenChange, children }: DialogProps) {
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const reactId = React.useId();
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const titleId = `${reactId}-dialog-title`;
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const descriptionId = `${reactId}-dialog-desc`;
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React.useEffect(() => {
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if (open) {
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document.body.style.overflow = 'hidden';
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} else {
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document.body.style.overflow = '';
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}
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return () => {
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document.body.style.overflow = '';
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};
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}, [open]);
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if (!open) return null;
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return (
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<DialogContext.Provider value={{ titleId, descriptionId }}>
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<div className="fixed inset-0 z-50">
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<div
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className="fixed inset-0 bg-black/80 animate-in fade-in-0"
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onClick={() => onOpenChange(false)}
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/>
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<div className="fixed inset-0 flex items-center justify-center p-4">
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{children}
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</div>
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</div>
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</DialogContext.Provider>
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);
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}
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const DialogContent = React.forwardRef<
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HTMLDivElement,
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React.HTMLAttributes<HTMLDivElement>
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>(({ className, children, ...props }, ref) => {
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const ctx = useDialogContext();
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return (
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<div
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ref={ref}
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role="dialog"
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aria-modal="true"
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aria-labelledby={ctx?.titleId}
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aria-describedby={ctx?.descriptionId}
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className={cn(
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'relative z-50 w-full max-w-lg rounded-lg border bg-background p-6 shadow-lg animate-in fade-in-0 zoom-in-95',
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className,
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)}
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onClick={(e) => e.stopPropagation()}
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{...props}
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>
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{children}
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</div>
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);
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});
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DialogContent.displayName = 'DialogContent';
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function DialogHeader({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
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return (
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<div className={cn('flex flex-col space-y-1.5 text-center sm:text-left', className)} {...props} />
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);
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}
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function DialogTitle({ className, id, ...props }: React.HTMLAttributes<HTMLHeadingElement>) {
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const ctx = useDialogContext();
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return (
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<h2
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id={id ?? ctx?.titleId}
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className={cn('text-lg font-semibold leading-none tracking-tight', className)}
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{...props}
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/>
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);
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}
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function DialogDescription({ className, id, ...props }: React.HTMLAttributes<HTMLParagraphElement>) {
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const ctx = useDialogContext();
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return (
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<p
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id={id ?? ctx?.descriptionId}
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className={cn('text-sm text-muted-foreground', className)}
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{...props}
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/>
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);
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}
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function DialogFooter({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
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return (
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<div
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className={cn('flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2 mt-4', className)}
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{...props}
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/>
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);
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}
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export { Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription, DialogFooter };
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