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@@ -1,323 +1,455 @@
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import { useCallback, useEffect, useLayoutEffect, useMemo, useRef, useState } from 'react';
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import type { CSSProperties, ReactNode } 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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useMemo,
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useRef,
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useState,
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type PointerEvent,
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type ReactNode,
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type TouchEvent,
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type TransitionEvent
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} from 'react';
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type SwipeTabsProps<T extends string> = {
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tabs: readonly T[];
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type SwipeTabsProps<T extends string | number> = {
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tabs: T[];
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activeTab: T;
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onTabChange: (tab: T) => void;
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renderPanel: (tab: T) => ReactNode;
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className?: string;
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panelClassName?: string;
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renderWindow?: number;
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swipeDisabled?: boolean;
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threshold?: number;
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directionRatio?: number;
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respectScrollableTargets?: boolean;
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renderWindow?: number;
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};
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const SCROLL_END_DELAY = 120;
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const COARSE_POINTER_QUERY = '(pointer: coarse)';
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const NO_HOVER_QUERY = '(hover: none)';
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const FALLBACK_WIDTH_QUERY = '(max-width: 1024px)';
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const DRAG_START_DISTANCE = 3;
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const EDGE_RESISTANCE = 0.35;
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const DEFAULT_THRESHOLD = 0.2;
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const DEFAULT_RENDER_WINDOW = 1;
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const getSwipeEnabled = () => {
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if (typeof window === 'undefined' || !window.matchMedia) return false;
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const coarsePointer = window.matchMedia(COARSE_POINTER_QUERY).matches;
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const noHover = window.matchMedia(NO_HOVER_QUERY).matches;
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if (coarsePointer || noHover) return true;
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const supportsTouch = ('ontouchstart' in window)
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|| (typeof navigator !== 'undefined' && navigator.maxTouchPoints > 0);
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if (!supportsTouch) return false;
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return window.matchMedia(FALLBACK_WIDTH_QUERY).matches;
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const findTouchById = (touches: TouchList, id: number) => {
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for (let i = 0; i < touches.length; i += 1) {
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const touch = touches[i];
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if (touch.identifier === id) {
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return touch;
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}
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}
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return null;
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};
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export function SwipeTabs<T extends string>({
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export function SwipeTabs<T extends string | number>({
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tabs,
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activeTab,
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onTabChange,
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renderPanel,
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className,
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panelClassName,
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renderWindow = 0,
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swipeDisabled = false,
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threshold = DEFAULT_THRESHOLD,
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renderWindow = DEFAULT_RENDER_WINDOW
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}: SwipeTabsProps<T>) {
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const containerRef = useRef<HTMLDivElement | null>(null);
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const panelRefs = useRef(new Map<T, HTMLDivElement>());
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const activeIndex = tabs.indexOf(activeTab);
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const safeActiveIndex = activeIndex >= 0 ? activeIndex : 0;
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const maxIndex = Math.max(0, tabs.length - 1);
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const containerRef = useRef<HTMLDivElement>(null);
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const trackRef = useRef<HTMLDivElement>(null);
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const activeIndex = useMemo(() => {
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const index = tabs.indexOf(activeTab);
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return index >= 0 ? index : 0;
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}, [tabs, activeTab]);
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const [containerWidth, setContainerWidth] = useState(0);
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const [containerHeight, setContainerHeight] = useState<number | null>(null);
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const [isScrolling, setIsScrolling] = useState(false);
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const [scrollPosition, setScrollPosition] = useState(0);
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const [swipeEnabled, setSwipeEnabled] = useState(() => getSwipeEnabled());
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const scrollEndTimer = useRef<number | null>(null);
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const scrollRaf = useRef<number | null>(null);
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const scrollPositionRef = useRef(0);
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const isUserScrolling = useRef(false);
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const hasMounted = useRef(false);
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const lastReportedIndex = useRef(safeActiveIndex);
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const prefersReducedMotion = useMemo(() => {
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if (typeof window === 'undefined' || !window.matchMedia) return true;
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return window.matchMedia('(prefers-reduced-motion: reduce)').matches;
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}, []);
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useEffect(() => {
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if (typeof window === 'undefined' || !window.matchMedia) return;
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const pointerMql = window.matchMedia(COARSE_POINTER_QUERY);
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const hoverMql = window.matchMedia(NO_HOVER_QUERY);
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const widthMql = window.matchMedia(FALLBACK_WIDTH_QUERY);
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const update = () => setSwipeEnabled(getSwipeEnabled());
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update();
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const addListener = (mql: MediaQueryList) => {
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if (mql.addEventListener) {
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mql.addEventListener('change', update);
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return;
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}
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mql.addListener(update);
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};
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const removeListener = (mql: MediaQueryList) => {
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if (mql.removeEventListener) {
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mql.removeEventListener('change', update);
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return;
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}
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mql.removeListener(update);
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};
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addListener(pointerMql);
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addListener(hoverMql);
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addListener(widthMql);
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return () => {
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removeListener(pointerMql);
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removeListener(hoverMql);
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removeListener(widthMql);
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};
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}, []);
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useEffect(() => {
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if (!containerRef.current) return;
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const element = containerRef.current;
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const updateSize = () => {
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const styles = window.getComputedStyle(element);
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const paddingX = parseFloat(styles.paddingLeft) + parseFloat(styles.paddingRight);
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const width = element.clientWidth - (Number.isFinite(paddingX) ? paddingX : 0);
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setContainerWidth(width > 0 ? width : element.clientWidth);
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};
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updateSize();
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if (typeof ResizeObserver === 'undefined') {
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window.addEventListener('resize', updateSize);
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return () => window.removeEventListener('resize', updateSize);
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}
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const observer = new ResizeObserver(updateSize);
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observer.observe(element);
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return () => observer.disconnect();
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}, []);
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useEffect(() => {
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const panel = panelRefs.current.get(activeTab);
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if (!panel) {
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setContainerHeight(null);
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return;
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}
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const updateHeight = () => setContainerHeight(panel.offsetHeight);
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updateHeight();
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if (typeof ResizeObserver === 'undefined') {
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window.addEventListener('resize', updateHeight);
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return () => window.removeEventListener('resize', updateHeight);
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}
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const observer = new ResizeObserver(updateHeight);
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observer.observe(panel);
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return () => observer.disconnect();
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}, [activeTab]);
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useEffect(() => {
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return () => {
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if (scrollEndTimer.current !== null) {
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window.clearTimeout(scrollEndTimer.current);
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}
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if (scrollRaf.current !== null) {
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cancelAnimationFrame(scrollRaf.current);
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}
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};
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}, []);
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useEffect(() => {
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lastReportedIndex.current = safeActiveIndex;
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}, [safeActiveIndex]);
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const scrollToIndex = useCallback((index: number, behavior: ScrollBehavior) => {
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const container = containerRef.current;
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if (!container || containerWidth <= 0) return;
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const targetLeft = index * containerWidth;
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if (Math.abs(container.scrollLeft - targetLeft) <= 1) return;
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container.scrollTo({ left: targetLeft, behavior });
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}, [containerWidth]);
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const scheduleScrollPositionUpdate = useCallback(() => {
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if (scrollRaf.current !== null) return;
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scrollRaf.current = window.requestAnimationFrame(() => {
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scrollRaf.current = null;
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setScrollPosition(scrollPositionRef.current);
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const [displayIndex, setDisplayIndex] = useState(activeIndex);
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const displayIndexRef = useRef(displayIndex);
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const widthRef = useRef(0);
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const baseOffsetRef = useRef(0);
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const dragOffsetRef = useRef(0);
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const rafRef = useRef(0);
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const isDraggingRef = useRef(false);
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const hasMountedRef = useRef(false);
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const transitionRef = useRef<string | null>(null);
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const transformRef = useRef<string | null>(null);
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const pendingIndexRef = useRef<number | null>(null);
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const isAnimatingRef = useRef(false);
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const needsResetRef = useRef(false);
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const dragRef = useRef({
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pointerId: null as number | null,
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touchId: null as number | null,
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startX: 0,
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startY: 0,
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startIndex: 0,
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isActive: false,
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isDragging: false
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});
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const applyTransform = useCallback((offset: number, animate: boolean) => {
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const track = trackRef.current;
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if (!track) return;
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const translateX = baseOffsetRef.current + offset;
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const transform = `translate3d(${translateX}px, 0, 0)`;
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if (transformRef.current !== transform) {
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track.style.transform = transform;
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transformRef.current = transform;
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}
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const transition = animate
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? 'transform 280ms cubic-bezier(0.2, 0.7, 0.2, 1)'
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: 'none';
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if (transitionRef.current !== transition) {
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track.style.transition = transition;
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transitionRef.current = transition;
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}
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}, []);
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const handleScroll = useCallback(() => {
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if (!swipeEnabled) return;
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const container = containerRef.current;
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if (!container || containerWidth <= 0) return;
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if (!isUserScrolling.current) {
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isUserScrolling.current = true;
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setIsScrolling(true);
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const measureWidth = useCallback(() => {
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const width = containerRef.current?.getBoundingClientRect().width || 0;
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if (width && width !== widthRef.current) {
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widthRef.current = width;
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baseOffsetRef.current = -width;
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applyTransform(dragOffsetRef.current, false);
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}
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const rawIndex = container.scrollLeft / containerWidth;
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scrollPositionRef.current = rawIndex;
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scheduleScrollPositionUpdate();
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const roundedIndex = Math.round(rawIndex);
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const clampedIndex = Math.max(0, Math.min(roundedIndex, maxIndex));
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if (tabs[clampedIndex] && clampedIndex !== lastReportedIndex.current) {
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lastReportedIndex.current = clampedIndex;
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onTabChange(tabs[clampedIndex]);
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}
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if (scrollEndTimer.current !== null) {
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window.clearTimeout(scrollEndTimer.current);
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}
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scrollEndTimer.current = window.setTimeout(() => {
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const rawIndex = container.scrollLeft / containerWidth;
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const nextIndex = Math.round(rawIndex);
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const clampedIndex = Math.max(0, Math.min(nextIndex, maxIndex));
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const targetLeft = clampedIndex * containerWidth;
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if (Math.abs(container.scrollLeft - targetLeft) > 1) {
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container.scrollTo({ left: targetLeft, behavior: 'auto' });
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}
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if (tabs[clampedIndex] && clampedIndex !== lastReportedIndex.current) {
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lastReportedIndex.current = clampedIndex;
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onTabChange(tabs[clampedIndex]);
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}
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scrollPositionRef.current = targetLeft / containerWidth;
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scheduleScrollPositionUpdate();
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isUserScrolling.current = false;
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setIsScrolling(false);
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}, SCROLL_END_DELAY);
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}, [activeTab, containerWidth, maxIndex, onTabChange, scheduleScrollPositionUpdate, swipeEnabled, tabs]);
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}, [applyTransform]);
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useLayoutEffect(() => {
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if (!swipeEnabled) return;
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const container = containerRef.current;
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if (!container || containerWidth <= 0) return;
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if (isUserScrolling.current) return;
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const behavior: ScrollBehavior = hasMounted.current && !prefersReducedMotion ? 'smooth' : 'auto';
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scrollToIndex(safeActiveIndex, behavior);
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hasMounted.current = true;
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const currentPosition = container.scrollLeft / containerWidth;
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scrollPositionRef.current = currentPosition;
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setScrollPosition(currentPosition);
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}, [containerWidth, prefersReducedMotion, safeActiveIndex, scrollToIndex, swipeEnabled]);
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measureWidth();
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const node = containerRef.current;
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if (!node) return undefined;
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let observer: ResizeObserver | null = null;
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if (typeof ResizeObserver !== 'undefined') {
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observer = new ResizeObserver(() => measureWidth());
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observer.observe(node);
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} else if (typeof window !== 'undefined') {
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window.addEventListener('resize', measureWidth);
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}
|
|
|
|
|
return () => {
|
|
|
|
|
observer?.disconnect();
|
|
|
|
|
if (typeof window !== 'undefined') {
|
|
|
|
|
window.removeEventListener('resize', measureWidth);
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
}, [measureWidth]);
|
|
|
|
|
|
|
|
|
|
const visibleIndexes = useMemo(() => {
|
|
|
|
|
const indexes = new Set<number>();
|
|
|
|
|
if (!swipeEnabled) {
|
|
|
|
|
if (safeActiveIndex >= 0) {
|
|
|
|
|
indexes.add(safeActiveIndex);
|
|
|
|
|
useLayoutEffect(() => {
|
|
|
|
|
displayIndexRef.current = displayIndex;
|
|
|
|
|
if (!needsResetRef.current) return;
|
|
|
|
|
needsResetRef.current = false;
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
applyTransform(0, false);
|
|
|
|
|
}, [applyTransform, displayIndex]);
|
|
|
|
|
|
|
|
|
|
useEffect(() => {
|
|
|
|
|
return () => {
|
|
|
|
|
if (rafRef.current) {
|
|
|
|
|
cancelAnimationFrame(rafRef.current);
|
|
|
|
|
}
|
|
|
|
|
return indexes;
|
|
|
|
|
};
|
|
|
|
|
}, []);
|
|
|
|
|
|
|
|
|
|
const resetToIndex = useCallback(
|
|
|
|
|
(index: number) => {
|
|
|
|
|
displayIndexRef.current = index;
|
|
|
|
|
setDisplayIndex(index);
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
applyTransform(0, false);
|
|
|
|
|
},
|
|
|
|
|
[applyTransform]
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
const animateToIndex = useCallback(
|
|
|
|
|
(index: number) => {
|
|
|
|
|
if (index === displayIndexRef.current) {
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
applyTransform(0, true);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
const centers = new Set<number>();
|
|
|
|
|
centers.add(safeActiveIndex);
|
|
|
|
|
if (containerWidth <= 0) {
|
|
|
|
|
centers.add(0);
|
|
|
|
|
const delta = index - displayIndexRef.current;
|
|
|
|
|
const width = widthRef.current || 0;
|
|
|
|
|
if (Math.abs(delta) !== 1 || width === 0) {
|
|
|
|
|
resetToIndex(index);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
if (containerWidth > 0 && Number.isFinite(scrollPosition)) {
|
|
|
|
|
const base = Math.floor(scrollPosition);
|
|
|
|
|
const next = Math.ceil(scrollPosition);
|
|
|
|
|
centers.add(base);
|
|
|
|
|
centers.add(next);
|
|
|
|
|
pendingIndexRef.current = index;
|
|
|
|
|
isAnimatingRef.current = true;
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
applyTransform(delta > 0 ? -width : width, true);
|
|
|
|
|
},
|
|
|
|
|
[applyTransform, resetToIndex]
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
useLayoutEffect(() => {
|
|
|
|
|
if (isDraggingRef.current || isAnimatingRef.current) return;
|
|
|
|
|
if (!hasMountedRef.current) {
|
|
|
|
|
hasMountedRef.current = true;
|
|
|
|
|
resetToIndex(activeIndex);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
centers.forEach((center) => {
|
|
|
|
|
for (let offset = -renderWindow; offset <= renderWindow; offset += 1) {
|
|
|
|
|
const index = center + offset;
|
|
|
|
|
if (index >= 0 && index < tabs.length) {
|
|
|
|
|
indexes.add(index);
|
|
|
|
|
if (activeIndex !== displayIndexRef.current) {
|
|
|
|
|
const distance = Math.abs(activeIndex - displayIndexRef.current);
|
|
|
|
|
if (distance === 1) {
|
|
|
|
|
animateToIndex(activeIndex);
|
|
|
|
|
} else {
|
|
|
|
|
resetToIndex(activeIndex);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}, [activeIndex, animateToIndex, resetToIndex]);
|
|
|
|
|
|
|
|
|
|
const scheduleDragUpdate = useCallback(() => {
|
|
|
|
|
if (rafRef.current) return;
|
|
|
|
|
rafRef.current = requestAnimationFrame(() => {
|
|
|
|
|
rafRef.current = 0;
|
|
|
|
|
applyTransform(dragOffsetRef.current, false);
|
|
|
|
|
});
|
|
|
|
|
return indexes;
|
|
|
|
|
}, [containerWidth, renderWindow, safeActiveIndex, scrollPosition, swipeEnabled, tabs.length]);
|
|
|
|
|
}, [applyTransform]);
|
|
|
|
|
|
|
|
|
|
const containerStyle: CSSProperties = {
|
|
|
|
|
height: !isScrolling && containerHeight ? `${containerHeight}px` : 'auto',
|
|
|
|
|
transition: !isScrolling && containerHeight ? 'height 160ms ease-out' : 'none',
|
|
|
|
|
const setDraggingClass = useCallback((value: boolean) => {
|
|
|
|
|
const node = containerRef.current;
|
|
|
|
|
if (!node) return;
|
|
|
|
|
node.classList.toggle('swipe-tabs--dragging', value);
|
|
|
|
|
}, []);
|
|
|
|
|
|
|
|
|
|
const startDrag = useCallback(
|
|
|
|
|
(x: number, y: number, pointerId: number | null, touchId: number | null) => {
|
|
|
|
|
if (swipeDisabled || tabs.length <= 1) return;
|
|
|
|
|
if (isAnimatingRef.current) return;
|
|
|
|
|
measureWidth();
|
|
|
|
|
dragRef.current.pointerId = pointerId;
|
|
|
|
|
dragRef.current.touchId = touchId;
|
|
|
|
|
dragRef.current.startX = x;
|
|
|
|
|
dragRef.current.startY = y;
|
|
|
|
|
dragRef.current.startIndex = displayIndexRef.current;
|
|
|
|
|
dragRef.current.isActive = true;
|
|
|
|
|
dragRef.current.isDragging = false;
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
},
|
|
|
|
|
[measureWidth, swipeDisabled, tabs.length]
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
const updateDrag = useCallback(
|
|
|
|
|
(x: number, y: number, preventDefault: () => void, pointerType?: string) => {
|
|
|
|
|
const state = dragRef.current;
|
|
|
|
|
if (!state.isActive) return;
|
|
|
|
|
const dx = x - state.startX;
|
|
|
|
|
const dy = y - state.startY;
|
|
|
|
|
|
|
|
|
|
if (!state.isDragging) {
|
|
|
|
|
if (Math.abs(dx) < DRAG_START_DISTANCE && Math.abs(dy) < DRAG_START_DISTANCE) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
if (Math.abs(dx) <= Math.abs(dy)) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
state.isDragging = true;
|
|
|
|
|
isDraggingRef.current = true;
|
|
|
|
|
setDraggingClass(true);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!state.isDragging) return;
|
|
|
|
|
|
|
|
|
|
const width = widthRef.current || 1;
|
|
|
|
|
let offset = dx;
|
|
|
|
|
const atStart = state.startIndex <= 0;
|
|
|
|
|
const atEnd = state.startIndex >= tabs.length - 1;
|
|
|
|
|
if ((atStart && dx > 0) || (atEnd && dx < 0)) {
|
|
|
|
|
offset = dx * EDGE_RESISTANCE;
|
|
|
|
|
}
|
|
|
|
|
offset = Math.max(Math.min(offset, width), -width);
|
|
|
|
|
dragOffsetRef.current = offset;
|
|
|
|
|
scheduleDragUpdate();
|
|
|
|
|
|
|
|
|
|
if (pointerType !== 'mouse') {
|
|
|
|
|
preventDefault();
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
[scheduleDragUpdate, tabs.length]
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
const finishDrag = useCallback(
|
|
|
|
|
(cancelled: boolean) => {
|
|
|
|
|
const state = dragRef.current;
|
|
|
|
|
if (!state.isActive) return;
|
|
|
|
|
|
|
|
|
|
state.isActive = false;
|
|
|
|
|
state.pointerId = null;
|
|
|
|
|
state.touchId = null;
|
|
|
|
|
|
|
|
|
|
const wasDragging = state.isDragging;
|
|
|
|
|
state.isDragging = false;
|
|
|
|
|
isDraggingRef.current = false;
|
|
|
|
|
setDraggingClass(false);
|
|
|
|
|
|
|
|
|
|
if (!wasDragging) return;
|
|
|
|
|
|
|
|
|
|
if (rafRef.current) {
|
|
|
|
|
cancelAnimationFrame(rafRef.current);
|
|
|
|
|
rafRef.current = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const width = widthRef.current || 1;
|
|
|
|
|
const dx = dragOffsetRef.current;
|
|
|
|
|
const thresholdPx = width * threshold;
|
|
|
|
|
let targetIndex = state.startIndex;
|
|
|
|
|
|
|
|
|
|
if (!cancelled && Math.abs(dx) > thresholdPx) {
|
|
|
|
|
const direction = dx < 0 ? 1 : -1;
|
|
|
|
|
targetIndex = Math.min(Math.max(state.startIndex + direction, 0), tabs.length - 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
if (targetIndex === state.startIndex) {
|
|
|
|
|
applyTransform(0, true);
|
|
|
|
|
} else {
|
|
|
|
|
pendingIndexRef.current = targetIndex;
|
|
|
|
|
isAnimatingRef.current = true;
|
|
|
|
|
applyTransform(targetIndex > state.startIndex ? -width : width, true);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (targetIndex !== state.startIndex) {
|
|
|
|
|
const nextTab = tabs[targetIndex];
|
|
|
|
|
if (nextTab !== activeTab) {
|
|
|
|
|
onTabChange(nextTab);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
[activeTab, applyTransform, onTabChange, setDraggingClass, tabs, threshold]
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
const handlePointerDown = (event: PointerEvent<HTMLDivElement>) => {
|
|
|
|
|
if (event.pointerType === 'mouse' && event.button !== 0) return;
|
|
|
|
|
if (dragRef.current.isActive) return;
|
|
|
|
|
startDrag(event.clientX, event.clientY, event.pointerId, null);
|
|
|
|
|
if (containerRef.current?.setPointerCapture) {
|
|
|
|
|
try {
|
|
|
|
|
containerRef.current.setPointerCapture(event.pointerId);
|
|
|
|
|
} catch {
|
|
|
|
|
// Ignore pointer capture failures.
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
if (!swipeEnabled) {
|
|
|
|
|
return (
|
|
|
|
|
<div
|
|
|
|
|
ref={containerRef}
|
|
|
|
|
className={`swipe-tabs swipe-tabs--static${className ? ` ${className}` : ''}`}
|
|
|
|
|
style={containerStyle}
|
|
|
|
|
>
|
|
|
|
|
<div className="swipe-tabs-track">
|
|
|
|
|
<div className="swipe-tabs-panel" aria-hidden={false}>
|
|
|
|
|
<div
|
|
|
|
|
className={`swipe-tabs-panel-inner${panelClassName ? ` ${panelClassName}` : ''}`}
|
|
|
|
|
ref={(node) => {
|
|
|
|
|
if (node) {
|
|
|
|
|
panelRefs.current.set(activeTab, node);
|
|
|
|
|
} else {
|
|
|
|
|
panelRefs.current.delete(activeTab);
|
|
|
|
|
const handlePointerMove = (event: PointerEvent<HTMLDivElement>) => {
|
|
|
|
|
const state = dragRef.current;
|
|
|
|
|
if (!state.isActive || state.pointerId !== event.pointerId) return;
|
|
|
|
|
const nativeEvent = event.nativeEvent as globalThis.PointerEvent;
|
|
|
|
|
const coalesced = typeof nativeEvent.getCoalescedEvents === 'function'
|
|
|
|
|
? nativeEvent.getCoalescedEvents()
|
|
|
|
|
: [];
|
|
|
|
|
const latest = coalesced.length > 0 ? coalesced[coalesced.length - 1] : nativeEvent;
|
|
|
|
|
updateDrag(
|
|
|
|
|
latest.clientX,
|
|
|
|
|
latest.clientY,
|
|
|
|
|
() => {
|
|
|
|
|
if (event.nativeEvent.cancelable) {
|
|
|
|
|
event.preventDefault();
|
|
|
|
|
}
|
|
|
|
|
}}
|
|
|
|
|
>
|
|
|
|
|
{renderPanel(activeTab)}
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
},
|
|
|
|
|
event.pointerType
|
|
|
|
|
);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handlePointerUp = (event: PointerEvent<HTMLDivElement>) => {
|
|
|
|
|
if (dragRef.current.pointerId !== event.pointerId) return;
|
|
|
|
|
finishDrag(false);
|
|
|
|
|
if (containerRef.current?.hasPointerCapture?.(event.pointerId)) {
|
|
|
|
|
containerRef.current.releasePointerCapture(event.pointerId);
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handlePointerCancel = (event: PointerEvent<HTMLDivElement>) => {
|
|
|
|
|
if (dragRef.current.pointerId !== event.pointerId) return;
|
|
|
|
|
finishDrag(true);
|
|
|
|
|
if (containerRef.current?.hasPointerCapture?.(event.pointerId)) {
|
|
|
|
|
containerRef.current.releasePointerCapture(event.pointerId);
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handleTouchStart = (event: TouchEvent<HTMLDivElement>) => {
|
|
|
|
|
if (dragRef.current.isActive) return;
|
|
|
|
|
const touch = event.changedTouches[0];
|
|
|
|
|
if (!touch) return;
|
|
|
|
|
startDrag(touch.clientX, touch.clientY, null, touch.identifier);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handleTouchMove = (event: TouchEvent<HTMLDivElement>) => {
|
|
|
|
|
const state = dragRef.current;
|
|
|
|
|
if (!state.isActive || state.touchId === null) return;
|
|
|
|
|
const touch = findTouchById(event.changedTouches, state.touchId);
|
|
|
|
|
if (!touch) return;
|
|
|
|
|
updateDrag(touch.clientX, touch.clientY, () => {
|
|
|
|
|
if (event.nativeEvent.cancelable) {
|
|
|
|
|
event.preventDefault();
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handleTouchEnd = (event: TouchEvent<HTMLDivElement>) => {
|
|
|
|
|
const state = dragRef.current;
|
|
|
|
|
if (!state.isActive || state.touchId === null) return;
|
|
|
|
|
const touch = findTouchById(event.changedTouches, state.touchId);
|
|
|
|
|
if (!touch) return;
|
|
|
|
|
finishDrag(false);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handleTouchCancel = (event: TouchEvent<HTMLDivElement>) => {
|
|
|
|
|
const state = dragRef.current;
|
|
|
|
|
if (!state.isActive || state.touchId === null) return;
|
|
|
|
|
const touch = findTouchById(event.changedTouches, state.touchId);
|
|
|
|
|
if (!touch) return;
|
|
|
|
|
finishDrag(true);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const handleTransitionEnd = (event: TransitionEvent<HTMLDivElement>) => {
|
|
|
|
|
if (event.propertyName !== 'transform') return;
|
|
|
|
|
if (!isAnimatingRef.current) return;
|
|
|
|
|
const nextIndex = pendingIndexRef.current;
|
|
|
|
|
pendingIndexRef.current = null;
|
|
|
|
|
isAnimatingRef.current = false;
|
|
|
|
|
if (nextIndex === null) return;
|
|
|
|
|
dragOffsetRef.current = 0;
|
|
|
|
|
displayIndexRef.current = nextIndex;
|
|
|
|
|
needsResetRef.current = true;
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|
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|
setDisplayIndex(nextIndex);
|
|
|
|
|
};
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|
|
|
|
|
|
|
|
|
const swipeEnabled = !swipeDisabled && tabs.length > 1;
|
|
|
|
|
const rootClassName = [
|
|
|
|
|
'swipe-tabs',
|
|
|
|
|
swipeEnabled ? 'swipe-tabs--snap' : 'swipe-tabs--static',
|
|
|
|
|
className
|
|
|
|
|
]
|
|
|
|
|
.filter(Boolean)
|
|
|
|
|
.join(' ');
|
|
|
|
|
const panelInnerClasses = ['swipe-tabs-panel-inner', panelClassName].filter(Boolean).join(' ');
|
|
|
|
|
const usePointerEvents = typeof window !== 'undefined' && 'PointerEvent' in window;
|
|
|
|
|
|
|
|
|
|
const renderRadius = Math.max(1, renderWindow);
|
|
|
|
|
const prevIndex = renderRadius >= 1 && displayIndex > 0 ? displayIndex - 1 : null;
|
|
|
|
|
const nextIndex =
|
|
|
|
|
renderRadius >= 1 && displayIndex < tabs.length - 1 ? displayIndex + 1 : null;
|
|
|
|
|
const slotTabs = [
|
|
|
|
|
prevIndex !== null ? { tab: tabs[prevIndex], index: prevIndex } : null,
|
|
|
|
|
{ tab: tabs[displayIndex], index: displayIndex },
|
|
|
|
|
nextIndex !== null ? { tab: tabs[nextIndex], index: nextIndex } : null
|
|
|
|
|
];
|
|
|
|
|
|
|
|
|
|
return (
|
|
|
|
|
<div
|
|
|
|
|
ref={containerRef}
|
|
|
|
|
className={`swipe-tabs swipe-tabs--snap${className ? ` ${className}` : ''}${isScrolling ? ' is-scrolling' : ''}`}
|
|
|
|
|
style={containerStyle}
|
|
|
|
|
onScroll={handleScroll}
|
|
|
|
|
className={rootClassName}
|
|
|
|
|
onPointerDown={usePointerEvents ? handlePointerDown : undefined}
|
|
|
|
|
onPointerMove={usePointerEvents ? handlePointerMove : undefined}
|
|
|
|
|
onPointerUp={usePointerEvents ? handlePointerUp : undefined}
|
|
|
|
|
onPointerCancel={usePointerEvents ? handlePointerCancel : undefined}
|
|
|
|
|
onTouchStart={!usePointerEvents ? handleTouchStart : undefined}
|
|
|
|
|
onTouchMove={!usePointerEvents ? handleTouchMove : undefined}
|
|
|
|
|
onTouchEnd={!usePointerEvents ? handleTouchEnd : undefined}
|
|
|
|
|
onTouchCancel={!usePointerEvents ? handleTouchCancel : undefined}
|
|
|
|
|
>
|
|
|
|
|
<div className="swipe-tabs-track">
|
|
|
|
|
{tabs.map((tab, index) => {
|
|
|
|
|
const shouldRender = visibleIndexes.has(index);
|
|
|
|
|
<div className="swipe-tabs-track" ref={trackRef} onTransitionEnd={handleTransitionEnd}>
|
|
|
|
|
{slotTabs.map((slot, slotIndex) => {
|
|
|
|
|
const tab = slot?.tab ?? null;
|
|
|
|
|
const key = tab !== null ? String(tab) : `empty-${slotIndex}`;
|
|
|
|
|
return (
|
|
|
|
|
<div key={tab} className="swipe-tabs-panel" aria-hidden={tab !== activeTab}>
|
|
|
|
|
<div
|
|
|
|
|
className={`swipe-tabs-panel-inner${panelClassName ? ` ${panelClassName}` : ''}`}
|
|
|
|
|
ref={(node) => {
|
|
|
|
|
if (node) {
|
|
|
|
|
panelRefs.current.set(tab, node);
|
|
|
|
|
} else {
|
|
|
|
|
panelRefs.current.delete(tab);
|
|
|
|
|
}
|
|
|
|
|
}}
|
|
|
|
|
>
|
|
|
|
|
{shouldRender ? renderPanel(tab) : null}
|
|
|
|
|
</div>
|
|
|
|
|
<section key={key} className="swipe-tabs-panel">
|
|
|
|
|
<div className={panelInnerClasses}>
|
|
|
|
|
{tab !== null ? renderPanel(tab) : null}
|
|
|
|
|
</div>
|
|
|
|
|
</section>
|
|
|
|
|
);
|
|
|
|
|
})}
|
|
|
|
|
</div>
|
|
|
|
|
|