Refactor carousel components (#36425)
Co-authored-by: diondiondion <mail@diondiondion.com>
This commit is contained in:
Echo
diondiondion
@@ -0,0 +1,126 @@
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import type { FC } from 'react';
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import type { Meta, StoryObj } from '@storybook/react-vite';
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import { fn, userEvent, expect } from 'storybook/test';
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import type { CarouselProps } from './index';
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import { Carousel } from './index';
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interface TestSlideProps {
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id: number;
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text: string;
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color: string;
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}
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const TestSlide: FC<TestSlideProps & { active: boolean }> = ({
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active,
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text,
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color,
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}) => (
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<div
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className='test-slide'
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style={{
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backgroundColor: active ? color : undefined,
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}}
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>
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{text}
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</div>
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);
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const slides: TestSlideProps[] = [
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{
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id: 1,
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text: 'first',
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color: 'red',
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},
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{
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id: 2,
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text: 'second',
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color: 'pink',
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},
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{
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id: 3,
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text: 'third',
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color: 'orange',
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},
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];
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type StoryProps = Pick<
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CarouselProps<TestSlideProps>,
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'items' | 'renderItem' | 'emptyFallback' | 'onChangeSlide'
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>;
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const meta = {
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title: 'Components/Carousel',
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args: {
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items: slides,
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renderItem(item, active) {
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return <TestSlide {...item} active={active} key={item.id} />;
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},
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onChangeSlide: fn(),
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emptyFallback: 'No slides available',
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},
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render(args) {
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return (
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<>
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<Carousel {...args} />
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<style>
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{`.test-slide {
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display: flex;
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align-items: center;
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justify-content: center;
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color: white;
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font-size: 24px;
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font-weight: bold;
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min-height: 100px;
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transition: background-color 0.3s;
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background-color: black;
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}`}
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</style>
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</>
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);
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},
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argTypes: {
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emptyFallback: {
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type: 'string',
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},
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},
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tags: ['test'],
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} satisfies Meta<StoryProps>;
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export default meta;
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type Story = StoryObj<typeof meta>;
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export const Default: Story = {
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async play({ args, canvas }) {
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const nextButton = await canvas.findByRole('button', { name: /next/i });
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const slides = await canvas.findAllByRole('group');
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await expect(slides).toHaveLength(slides.length);
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await userEvent.click(nextButton);
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await expect(args.onChangeSlide).toHaveBeenCalledWith(1, slides[1]);
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await userEvent.click(nextButton);
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await expect(args.onChangeSlide).toHaveBeenCalledWith(2, slides[2]);
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// Wrap around
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await userEvent.click(nextButton);
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await expect(args.onChangeSlide).toHaveBeenCalledWith(0, slides[0]);
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},
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};
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export const DifferentHeights: Story = {
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args: {
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items: slides.map((props, index) => ({
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...props,
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styles: { height: 100 + index * 100 },
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})),
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},
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};
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export const NoSlides: Story = {
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args: {
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items: [],
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},
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};
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@@ -0,0 +1,244 @@
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import { useCallback, useLayoutEffect, useMemo, useRef, useState } from 'react';
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import type {
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ComponentPropsWithoutRef,
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ComponentType,
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ReactElement,
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ReactNode,
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} from 'react';
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import type { MessageDescriptor } from 'react-intl';
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import { defineMessages, useIntl } from 'react-intl';
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import classNames from 'classnames';
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import { usePrevious } from '@dnd-kit/utilities';
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import { animated, useSpring } from '@react-spring/web';
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import { useDrag } from '@use-gesture/react';
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import type { CarouselPaginationProps } from './pagination';
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import { CarouselPagination } from './pagination';
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import './styles.scss';
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const defaultMessages = defineMessages({
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previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
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next: { id: 'lightbox.next', defaultMessage: 'Next' },
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current: {
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id: 'carousel.current',
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defaultMessage: '<sr>Slide</sr> {current, number} / {max, number}',
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},
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slide: {
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id: 'carousel.slide',
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defaultMessage: 'Slide {current, number} of {max, number}',
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},
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});
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export type MessageKeys = keyof typeof defaultMessages;
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export interface CarouselSlideProps {
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id: string | number;
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}
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export type RenderSlideFn<
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SlideProps extends CarouselSlideProps = CarouselSlideProps,
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> = (item: SlideProps, active: boolean, index: number) => ReactElement;
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export interface CarouselProps<
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SlideProps extends CarouselSlideProps = CarouselSlideProps,
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> {
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items: SlideProps[];
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renderItem: RenderSlideFn<SlideProps>;
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onChangeSlide?: (index: number, ref: Element) => void;
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paginationComponent?: ComponentType<CarouselPaginationProps> | null;
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paginationProps?: Partial<CarouselPaginationProps>;
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messages?: Record<MessageKeys, MessageDescriptor>;
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emptyFallback?: ReactNode;
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classNamePrefix?: string;
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slideClassName?: string;
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}
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export const Carousel = <
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SlideProps extends CarouselSlideProps = CarouselSlideProps,
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>({
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items,
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renderItem,
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onChangeSlide,
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paginationComponent: Pagination = CarouselPagination,
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paginationProps = {},
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messages = defaultMessages,
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children,
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emptyFallback = null,
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className,
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classNamePrefix = 'carousel',
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slideClassName,
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...wrapperProps
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}: CarouselProps<SlideProps> & ComponentPropsWithoutRef<'div'>) => {
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// Handle slide change
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const [slideIndex, setSlideIndex] = useState(0);
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const wrapperRef = useRef<HTMLDivElement>(null);
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const handleSlideChange = useCallback(
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(direction: number) => {
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setSlideIndex((prev) => {
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const max = items.length - 1;
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let newIndex = prev + direction;
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if (newIndex < 0) {
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newIndex = max;
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} else if (newIndex > max) {
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newIndex = 0;
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}
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const slide = wrapperRef.current?.children[newIndex];
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if (slide) {
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setCurrentSlideHeight(slide.scrollHeight);
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onChangeSlide?.(newIndex, slide);
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if (slide instanceof HTMLElement) {
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slide.focus({ preventScroll: true });
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}
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}
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return newIndex;
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});
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},
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[items.length, onChangeSlide],
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);
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// Handle slide heights
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const [currentSlideHeight, setCurrentSlideHeight] = useState(
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wrapperRef.current?.scrollHeight ?? 0,
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);
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const previousSlideHeight = usePrevious(currentSlideHeight);
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const observerRef = useRef<ResizeObserver>(
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new ResizeObserver(() => {
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handleSlideChange(0);
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}),
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);
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const wrapperStyles = useSpring({
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x: `-${slideIndex * 100}%`,
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height: currentSlideHeight,
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// Don't animate from zero to the height of the initial slide
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immediate: !previousSlideHeight,
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});
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useLayoutEffect(() => {
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// Update slide height when the component mounts
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if (currentSlideHeight === 0) {
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handleSlideChange(0);
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}
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}, [currentSlideHeight, handleSlideChange]);
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// Handle swiping animations
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const bind = useDrag(
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({ swipe: [swipeX] }) => {
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handleSlideChange(swipeX * -1); // Invert swipe as swiping left loads the next slide.
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},
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{ pointer: { capture: false } },
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);
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const handlePrev = useCallback(() => {
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handleSlideChange(-1);
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}, [handleSlideChange]);
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const handleNext = useCallback(() => {
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handleSlideChange(1);
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}, [handleSlideChange]);
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const intl = useIntl();
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if (items.length === 0) {
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return emptyFallback;
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}
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return (
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<div
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{...bind()}
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aria-roledescription='carousel'
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role='region'
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className={classNames(classNamePrefix, className)}
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{...wrapperProps}
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>
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<div className={`${classNamePrefix}__header`}>
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{children}
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{Pagination && items.length > 1 && (
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<Pagination
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current={slideIndex}
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max={items.length}
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onNext={handleNext}
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onPrev={handlePrev}
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className={`${classNamePrefix}__pagination`}
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messages={messages}
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{...paginationProps}
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/>
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)}
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</div>
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<animated.div
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className={`${classNamePrefix}__slides`}
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ref={wrapperRef}
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style={wrapperStyles}
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>
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{items.map((itemsProps, index) => (
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<CarouselSlideWrapper<SlideProps>
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item={itemsProps}
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renderItem={renderItem}
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observer={observerRef.current}
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index={index}
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key={`slide-${itemsProps.id}`}
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className={classNames(`${classNamePrefix}__slide`, slideClassName, {
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active: index === slideIndex,
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})}
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active={index === slideIndex}
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label={intl.formatMessage(messages.slide, {
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current: index + 1,
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max: items.length,
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})}
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/>
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))}
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</animated.div>
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</div>
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);
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};
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type CarouselSlideWrapperProps<SlideProps extends CarouselSlideProps> = {
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observer: ResizeObserver;
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className: string;
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active: boolean;
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item: SlideProps;
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index: number;
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label: string;
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} & Pick<CarouselProps<SlideProps>, 'renderItem'>;
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const CarouselSlideWrapper = <SlideProps extends CarouselSlideProps>({
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observer,
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className,
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active,
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renderItem,
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item,
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index,
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label,
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}: CarouselSlideWrapperProps<SlideProps>) => {
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const handleRef = useCallback(
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(instance: HTMLDivElement | null) => {
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if (instance) {
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observer.observe(instance);
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}
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},
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[observer],
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);
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const children = useMemo(
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() => renderItem(item, active, index),
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[renderItem, item, active, index],
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);
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return (
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<div
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ref={handleRef}
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className={className}
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role='group'
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aria-roledescription='slide'
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aria-label={label}
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inert={active ? undefined : ''}
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tabIndex={-1}
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data-index={index}
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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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@@ -0,0 +1,54 @@
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import type { FC, MouseEventHandler } from 'react';
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import type { MessageDescriptor } from 'react-intl';
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import { useIntl } from 'react-intl';
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import ChevronLeftIcon from '@/material-icons/400-24px/chevron_left.svg?react';
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import ChevronRightIcon from '@/material-icons/400-24px/chevron_right.svg?react';
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import { IconButton } from '../icon_button';
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import type { MessageKeys } from './index';
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export interface CarouselPaginationProps {
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onNext: MouseEventHandler;
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onPrev: MouseEventHandler;
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current: number;
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max: number;
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className?: string;
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messages: Record<MessageKeys, MessageDescriptor>;
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}
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export const CarouselPagination: FC<CarouselPaginationProps> = ({
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onNext,
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onPrev,
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current,
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max,
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className = '',
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messages,
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}) => {
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const intl = useIntl();
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return (
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<div className={className}>
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<IconButton
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title={intl.formatMessage(messages.previous)}
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icon='chevron-left'
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iconComponent={ChevronLeftIcon}
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onClick={onPrev}
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/>
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<span aria-live='polite'>
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{intl.formatMessage(messages.current, {
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current: current + 1,
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max,
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sr: (chunk) => <span className='sr-only'>{chunk}</span>,
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})}
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</span>
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<IconButton
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title={intl.formatMessage(messages.next)}
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icon='chevron-right'
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iconComponent={ChevronRightIcon}
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onClick={onNext}
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/>
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</div>
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);
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};
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@@ -0,0 +1,28 @@
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.carousel {
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gap: 16px;
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overflow: hidden;
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touch-action: pan-y;
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&__header {
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padding: 8px 16px;
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}
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&__pagination {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 4px;
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}
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&__slides {
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display: flex;
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flex-wrap: nowrap;
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align-items: start;
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}
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&__slide {
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flex: 0 0 100%;
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width: 100%;
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overflow: hidden;
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}
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}
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@@ -1,38 +1,43 @@
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import type { ComponentPropsWithRef } from 'react';
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import {
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useCallback,
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useEffect,
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useLayoutEffect,
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useRef,
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useState,
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useId,
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} from 'react';
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import { useCallback, useEffect, useId } from 'react';
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import { defineMessages, FormattedMessage, useIntl } from 'react-intl';
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import { defineMessages, FormattedMessage } from 'react-intl';
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import type { Map as ImmutableMap } from 'immutable';
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import { List as ImmutableList } from 'immutable';
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import type { AnimatedProps } from '@react-spring/web';
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import { animated, useSpring } from '@react-spring/web';
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import { useDrag } from '@use-gesture/react';
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import { expandAccountFeaturedTimeline } from '@/mastodon/actions/timelines';
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import { Icon } from '@/mastodon/components/icon';
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import { IconButton } from '@/mastodon/components/icon_button';
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import { StatusQuoteManager } from '@/mastodon/components/status_quoted';
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import { usePrevious } from '@/mastodon/hooks/usePrevious';
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import { useAppDispatch, useAppSelector } from '@/mastodon/store';
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import ChevronLeftIcon from '@/material-icons/400-24px/chevron_left.svg?react';
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import ChevronRightIcon from '@/material-icons/400-24px/chevron_right.svg?react';
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import {
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createAppSelector,
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useAppDispatch,
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useAppSelector,
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} from '@/mastodon/store';
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import PushPinIcon from '@/material-icons/400-24px/push_pin.svg?react';
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import { Carousel } from './carousel';
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const pinnedStatusesSelector = createAppSelector(
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[
|
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(state, accountId: string, tagged?: string) =>
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(state.timelines as ImmutableMap<string, unknown>).getIn(
|
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[`account:${accountId}:pinned${tagged ? `:${tagged}` : ''}`, 'items'],
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ImmutableList(),
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) as ImmutableList<string>,
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],
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(items) => items.toArray().map((id) => ({ id })),
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);
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const messages = defineMessages({
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previous: { id: 'featured_carousel.previous', defaultMessage: 'Previous' },
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next: { id: 'featured_carousel.next', defaultMessage: 'Next' },
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previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
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next: { id: 'lightbox.next', defaultMessage: 'Next' },
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current: {
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id: 'featured_carousel.current',
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defaultMessage: '<sr>Post</sr> {current, number} / {max, number}',
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},
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slide: {
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id: 'featured_carousel.slide',
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defaultMessage: '{index} of {total}',
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defaultMessage: 'Post {current, number} of {max, number}',
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},
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||||
});
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@@ -40,7 +45,6 @@ export const FeaturedCarousel: React.FC<{
|
||||
accountId: string;
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||||
tagged?: string;
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||||
}> = ({ accountId, tagged }) => {
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||||
const intl = useIntl();
|
||||
const accessibilityId = useId();
|
||||
|
||||
// Load pinned statuses
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||||
@@ -50,175 +54,37 @@ export const FeaturedCarousel: React.FC<{
|
||||
void dispatch(expandAccountFeaturedTimeline(accountId, { tagged }));
|
||||
}
|
||||
}, [accountId, dispatch, tagged]);
|
||||
const pinnedStatuses = useAppSelector(
|
||||
(state) =>
|
||||
(state.timelines as ImmutableMap<string, unknown>).getIn(
|
||||
[`account:${accountId}:pinned${tagged ? `:${tagged}` : ''}`, 'items'],
|
||||
ImmutableList(),
|
||||
) as ImmutableList<string>,
|
||||
const pinnedStatuses = useAppSelector((state) =>
|
||||
pinnedStatusesSelector(state, accountId, tagged),
|
||||
);
|
||||
|
||||
// Handle slide change
|
||||
const [slideIndex, setSlideIndex] = useState(0);
|
||||
const wrapperRef = useRef<HTMLDivElement>(null);
|
||||
const handleSlideChange = useCallback(
|
||||
(direction: number) => {
|
||||
setSlideIndex((prev) => {
|
||||
const max = pinnedStatuses.size - 1;
|
||||
let newIndex = prev + direction;
|
||||
if (newIndex < 0) {
|
||||
newIndex = max;
|
||||
} else if (newIndex > max) {
|
||||
newIndex = 0;
|
||||
}
|
||||
const slide = wrapperRef.current?.children[newIndex];
|
||||
if (slide) {
|
||||
setCurrentSlideHeight(slide.scrollHeight);
|
||||
}
|
||||
return newIndex;
|
||||
});
|
||||
},
|
||||
[pinnedStatuses.size],
|
||||
const renderSlide = useCallback(
|
||||
({ id }: { id: string }) => (
|
||||
<StatusQuoteManager id={id} contextType='account' withCounters />
|
||||
),
|
||||
[],
|
||||
);
|
||||
|
||||
// Handle slide heights
|
||||
const [currentSlideHeight, setCurrentSlideHeight] = useState(
|
||||
wrapperRef.current?.scrollHeight ?? 0,
|
||||
);
|
||||
const previousSlideHeight = usePrevious(currentSlideHeight);
|
||||
const observerRef = useRef<ResizeObserver>(
|
||||
new ResizeObserver(() => {
|
||||
handleSlideChange(0);
|
||||
}),
|
||||
);
|
||||
const wrapperStyles = useSpring({
|
||||
x: `-${slideIndex * 100}%`,
|
||||
height: currentSlideHeight,
|
||||
// Don't animate from zero to the height of the initial slide
|
||||
immediate: !previousSlideHeight,
|
||||
});
|
||||
useLayoutEffect(() => {
|
||||
// Update slide height when the component mounts
|
||||
if (currentSlideHeight === 0) {
|
||||
handleSlideChange(0);
|
||||
}
|
||||
}, [currentSlideHeight, handleSlideChange]);
|
||||
|
||||
// Handle swiping animations
|
||||
const bind = useDrag(({ swipe: [swipeX] }) => {
|
||||
handleSlideChange(swipeX * -1); // Invert swipe as swiping left loads the next slide.
|
||||
});
|
||||
const handlePrev = useCallback(() => {
|
||||
handleSlideChange(-1);
|
||||
}, [handleSlideChange]);
|
||||
const handleNext = useCallback(() => {
|
||||
handleSlideChange(1);
|
||||
}, [handleSlideChange]);
|
||||
|
||||
if (!accountId || pinnedStatuses.isEmpty()) {
|
||||
if (!accountId || pinnedStatuses.length === 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return (
|
||||
<div
|
||||
className='featured-carousel'
|
||||
{...bind()}
|
||||
aria-roledescription='carousel'
|
||||
<Carousel
|
||||
items={pinnedStatuses}
|
||||
renderItem={renderSlide}
|
||||
aria-labelledby={`${accessibilityId}-title`}
|
||||
role='region'
|
||||
classNamePrefix='featured-carousel'
|
||||
messages={messages}
|
||||
>
|
||||
<div className='featured-carousel__header'>
|
||||
<h4
|
||||
className='featured-carousel__title'
|
||||
id={`${accessibilityId}-title`}
|
||||
>
|
||||
<Icon id='thumb-tack' icon={PushPinIcon} />
|
||||
<FormattedMessage
|
||||
id='featured_carousel.header'
|
||||
defaultMessage='{count, plural, one {Pinned Post} other {Pinned Posts}}'
|
||||
values={{ count: pinnedStatuses.size }}
|
||||
/>
|
||||
</h4>
|
||||
{pinnedStatuses.size > 1 && (
|
||||
<>
|
||||
<IconButton
|
||||
title={intl.formatMessage(messages.previous)}
|
||||
icon='chevron-left'
|
||||
iconComponent={ChevronLeftIcon}
|
||||
onClick={handlePrev}
|
||||
/>
|
||||
<span aria-live='polite'>
|
||||
<FormattedMessage
|
||||
id='featured_carousel.post'
|
||||
defaultMessage='Post'
|
||||
>
|
||||
{(text) => <span className='sr-only'>{text}</span>}
|
||||
</FormattedMessage>
|
||||
{slideIndex + 1} / {pinnedStatuses.size}
|
||||
</span>
|
||||
<IconButton
|
||||
title={intl.formatMessage(messages.next)}
|
||||
icon='chevron-right'
|
||||
iconComponent={ChevronRightIcon}
|
||||
onClick={handleNext}
|
||||
/>
|
||||
</>
|
||||
)}
|
||||
</div>
|
||||
<animated.div
|
||||
className='featured-carousel__slides'
|
||||
ref={wrapperRef}
|
||||
style={wrapperStyles}
|
||||
aria-atomic='false'
|
||||
aria-live='polite'
|
||||
>
|
||||
{pinnedStatuses.map((statusId, index) => (
|
||||
<FeaturedCarouselItem
|
||||
key={`f-${statusId}`}
|
||||
data-index={index}
|
||||
aria-label={intl.formatMessage(messages.slide, {
|
||||
index: index + 1,
|
||||
total: pinnedStatuses.size,
|
||||
})}
|
||||
statusId={statusId}
|
||||
observer={observerRef.current}
|
||||
active={index === slideIndex}
|
||||
/>
|
||||
))}
|
||||
</animated.div>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
interface FeaturedCarouselItemProps {
|
||||
statusId: string;
|
||||
active: boolean;
|
||||
observer: ResizeObserver;
|
||||
}
|
||||
|
||||
const FeaturedCarouselItem: React.FC<
|
||||
FeaturedCarouselItemProps & AnimatedProps<ComponentPropsWithRef<'div'>>
|
||||
> = ({ statusId, active, observer, ...props }) => {
|
||||
const handleRef = useCallback(
|
||||
(instance: HTMLDivElement | null) => {
|
||||
if (instance) {
|
||||
observer.observe(instance);
|
||||
}
|
||||
},
|
||||
[observer],
|
||||
);
|
||||
|
||||
return (
|
||||
<animated.div
|
||||
className='featured-carousel__slide'
|
||||
// @ts-expect-error inert in not in this version of React
|
||||
inert={!active ? 'true' : undefined}
|
||||
aria-roledescription='slide'
|
||||
role='group'
|
||||
ref={handleRef}
|
||||
{...props}
|
||||
>
|
||||
<StatusQuoteManager id={statusId} contextType='account' withCounters />
|
||||
</animated.div>
|
||||
<h4 className='featured-carousel__title' id={`${accessibilityId}-title`}>
|
||||
<Icon id='thumb-tack' icon={PushPinIcon} />
|
||||
<FormattedMessage
|
||||
id='featured_carousel.header'
|
||||
defaultMessage='{count, plural, one {Pinned Post} other {Pinned Posts}}'
|
||||
values={{ count: pinnedStatuses.length }}
|
||||
/>
|
||||
</h4>
|
||||
</Carousel>
|
||||
);
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user