website refactor
This commit is contained in:
185
apps/website/ui/Modal.tsx
Normal file
185
apps/website/ui/Modal.tsx
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@@ -0,0 +1,185 @@
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'use client';
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import React, {
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useEffect,
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useRef,
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type ReactNode,
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type KeyboardEvent as ReactKeyboardEvent,
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} from 'react';
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import { Box } from './Box';
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import { Text } from './Text';
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import { Heading } from './Heading';
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import { Button } from './Button';
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interface ModalProps {
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title: string;
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description?: string;
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children?: ReactNode;
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primaryActionLabel?: string;
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secondaryActionLabel?: string;
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onPrimaryAction?: () => void | Promise<void>;
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onSecondaryAction?: () => void;
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onOpenChange?: (open: boolean) => void;
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isOpen: boolean;
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}
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export function Modal({
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title,
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description,
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children,
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primaryActionLabel,
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secondaryActionLabel,
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onPrimaryAction,
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onSecondaryAction,
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onOpenChange,
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isOpen,
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}: ModalProps) {
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const dialogRef = useRef<HTMLDivElement | null>(null);
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const previouslyFocusedElementRef = useRef<Element | null>(null);
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useEffect(() => {
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if (isOpen) {
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previouslyFocusedElementRef.current = document.activeElement;
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const focusable = getFirstFocusable(dialogRef.current);
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if (focusable) {
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focusable.focus();
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} else if (dialogRef.current) {
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dialogRef.current.focus();
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}
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return;
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}
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if (!isOpen && previouslyFocusedElementRef.current instanceof HTMLElement) {
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previouslyFocusedElementRef.current.focus();
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}
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}, [isOpen]);
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const handleKeyDown = (event: ReactKeyboardEvent<HTMLDivElement>) => {
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if (event.key === 'Escape') {
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if (onOpenChange) {
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onOpenChange(false);
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}
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return;
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}
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if (event.key === 'Tab') {
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const focusable = getFocusableElements(dialogRef.current);
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if (focusable.length === 0) return;
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const first = focusable[0];
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const last = focusable[focusable.length - 1] ?? first;
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if (!first || !last) {
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return;
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}
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if (!event.shiftKey && document.activeElement === last) {
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event.preventDefault();
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first.focus();
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} else if (event.shiftKey && document.activeElement === first) {
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event.preventDefault();
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last.focus();
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}
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}
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};
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const handleBackdropClick = (event: React.MouseEvent<HTMLDivElement>) => {
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if (event.target === event.currentTarget && onOpenChange) {
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onOpenChange(false);
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}
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};
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if (!isOpen) {
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return null;
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}
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return (
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<Box
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style={{ position: 'fixed', inset: 0, zIndex: 60, display: 'flex', alignItems: 'center', justifyContent: 'center', backgroundColor: 'rgba(0, 0, 0, 0.6)', padding: '0 1rem' }}
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role="dialog"
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aria-modal="true"
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aria-labelledby="modal-title"
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aria-describedby={description ? 'modal-description' : undefined}
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onKeyDown={handleKeyDown}
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onClick={handleBackdropClick}
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>
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<Box
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ref={dialogRef}
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style={{ width: '100%', maxWidth: '28rem', borderRadius: '1rem', backgroundColor: '#0f1115', border: '1px solid #262626', boxShadow: '0 25px 50px -12px rgba(0, 0, 0, 0.5)', outline: 'none' }}
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tabIndex={-1}
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>
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<Box p={6} style={{ borderBottom: '1px solid rgba(38, 38, 38, 0.8)' }}>
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<Heading level={2} id="modal-title">{title}</Heading>
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{description && (
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<Text
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id="modal-description"
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size="sm"
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color="text-gray-400"
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block
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mt={2}
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>
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{description}
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</Text>
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)}
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</Box>
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<Box p={6}>
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<Text size="sm" color="text-gray-100">{children}</Text>
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</Box>
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{(primaryActionLabel || secondaryActionLabel) && (
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<Box p={6} style={{ borderTop: '1px solid rgba(38, 38, 38, 0.8)', display: 'flex', justifyContent: 'flex-end', gap: '0.75rem' }}>
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{secondaryActionLabel && (
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<Button
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type="button"
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onClick={() => {
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onSecondaryAction?.();
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onOpenChange?.(false);
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}}
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variant="secondary"
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size="sm"
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>
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{secondaryActionLabel}
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</Button>
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)}
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{primaryActionLabel && (
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<Button
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type="button"
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onClick={async () => {
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if (onPrimaryAction) {
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await onPrimaryAction();
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}
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}}
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variant="primary"
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size="sm"
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>
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{primaryActionLabel}
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</Button>
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)}
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</Box>
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)}
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</Box>
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</Box>
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);
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}
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function getFocusableElements(root: HTMLElement | null): HTMLElement[] {
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if (!root) return [];
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const selectors = [
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'a[href]',
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'button:not([disabled])',
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'textarea:not([disabled])',
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'input:not([disabled])',
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'select:not([disabled])',
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'[tabindex]:not([tabindex="-1"])',
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];
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const nodes = Array.from(
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root.querySelectorAll<HTMLElement>(selectors.join(',')),
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);
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return nodes.filter((el) => !el.hasAttribute('disabled') && !el.getAttribute('aria-hidden'));
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}
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function getFirstFocusable(root: HTMLElement | null): HTMLElement | null {
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const elements = getFocusableElements(root);
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return elements[0] ?? null;
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}
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