kopia lustrzana https://github.com/cheeaun/phanpy
872 wiersze
26 KiB
JavaScript
872 wiersze
26 KiB
JavaScript
import { memo } from 'preact/compat';
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import {
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useCallback,
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useEffect,
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useMemo,
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useRef,
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useState,
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} from 'preact/hooks';
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import { useHotkeys } from 'react-hotkeys-hook';
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import { InView } from 'react-intersection-observer';
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import { useDebouncedCallback } from 'use-debounce';
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import { useSnapshot } from 'valtio';
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import FilterContext from '../utils/filter-context';
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import { filteredItems, isFiltered } from '../utils/filters';
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import states, { statusKey } from '../utils/states';
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import statusPeek from '../utils/status-peek';
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import { isMediaFirstInstance } from '../utils/store-utils';
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import { groupBoosts, groupContext } from '../utils/timeline-utils';
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import useInterval from '../utils/useInterval';
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import usePageVisibility from '../utils/usePageVisibility';
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import useScroll from '../utils/useScroll';
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import useScrollFn from '../utils/useScrollFn';
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import Icon from './icon';
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import Link from './link';
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import MediaPost from './media-post';
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import NavMenu from './nav-menu';
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import Status from './status';
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const scrollIntoViewOptions = {
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block: 'nearest',
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inline: 'center',
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behavior: 'smooth',
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};
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function Timeline({
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title,
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titleComponent,
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id,
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instance,
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emptyText,
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errorText,
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useItemID, // use statusID instead of status object, assuming it's already in states
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boostsCarousel,
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fetchItems = () => {},
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checkForUpdates = () => {},
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checkForUpdatesInterval = 15_000, // 15 seconds
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headerStart,
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headerEnd,
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timelineStart,
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// allowFilters,
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refresh,
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view,
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filterContext,
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showFollowedTags,
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showReplyParent,
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}) {
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const snapStates = useSnapshot(states);
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const [items, setItems] = useState([]);
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const [uiState, setUIState] = useState('start');
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const [showMore, setShowMore] = useState(false);
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const [showNew, setShowNew] = useState(false);
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const [visible, setVisible] = useState(true);
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const scrollableRef = useRef();
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console.debug('RENDER Timeline', id, refresh);
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const mediaFirst = useMemo(() => isMediaFirstInstance(), []);
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const allowGrouping = view !== 'media';
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const loadItems = useDebouncedCallback(
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(firstLoad) => {
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setShowNew(false);
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if (uiState === 'loading') return;
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setUIState('loading');
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(async () => {
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try {
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let { done, value } = await fetchItems(firstLoad);
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if (Array.isArray(value)) {
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// Avoid grouping for pinned posts
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const [pinnedPosts, otherPosts] = value.reduce(
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(acc, item) => {
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if (item._pinned) {
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acc[0].push(item);
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} else {
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acc[1].push(item);
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}
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return acc;
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},
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[[], []],
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);
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value = otherPosts;
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if (allowGrouping) {
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if (boostsCarousel) {
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value = groupBoosts(value);
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}
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value = groupContext(value, instance);
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}
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if (pinnedPosts.length) {
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value = pinnedPosts.concat(value);
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}
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console.log(value);
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if (firstLoad) {
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setItems(value);
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} else {
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setItems((items) => [...items, ...value]);
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}
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if (!value.length) done = true;
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setShowMore(!done);
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} else {
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setShowMore(false);
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}
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setUIState('default');
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} catch (e) {
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console.error(e);
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setUIState('error');
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} finally {
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loadItems.cancel();
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}
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})();
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},
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1500,
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{
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leading: true,
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trailing: false,
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},
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);
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const itemsSelector = '.timeline-item, .timeline-item-alt';
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const jRef = useHotkeys('j, shift+j', (_, handler) => {
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// focus on next status after active item
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const activeItem = document.activeElement.closest(itemsSelector);
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const activeItemRect = activeItem?.getBoundingClientRect();
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const allItems = Array.from(
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scrollableRef.current.querySelectorAll(itemsSelector),
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);
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if (
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activeItem &&
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activeItemRect.top < scrollableRef.current.clientHeight &&
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activeItemRect.bottom > 0
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) {
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const activeItemIndex = allItems.indexOf(activeItem);
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let nextItem = allItems[activeItemIndex + 1];
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if (handler.shift) {
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// get next status that's not .timeline-item-alt
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nextItem = allItems.find(
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(item, index) =>
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index > activeItemIndex &&
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!item.classList.contains('timeline-item-alt'),
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);
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}
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if (nextItem) {
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nextItem.focus();
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nextItem.scrollIntoView(scrollIntoViewOptions);
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}
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} else {
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// If active status is not in viewport, get the topmost status-link in viewport
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const topmostItem = allItems.find((item) => {
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const itemRect = item.getBoundingClientRect();
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return itemRect.top >= 44 && itemRect.left >= 0; // 44 is the magic number for header height, not real
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});
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if (topmostItem) {
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topmostItem.focus();
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topmostItem.scrollIntoView(scrollIntoViewOptions);
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}
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}
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});
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const kRef = useHotkeys('k, shift+k', (_, handler) => {
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// focus on previous status after active item
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const activeItem = document.activeElement.closest(itemsSelector);
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const activeItemRect = activeItem?.getBoundingClientRect();
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const allItems = Array.from(
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scrollableRef.current.querySelectorAll(itemsSelector),
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);
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if (
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activeItem &&
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activeItemRect.top < scrollableRef.current.clientHeight &&
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activeItemRect.bottom > 0
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) {
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const activeItemIndex = allItems.indexOf(activeItem);
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let prevItem = allItems[activeItemIndex - 1];
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if (handler.shift) {
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// get prev status that's not .timeline-item-alt
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prevItem = allItems.findLast(
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(item, index) =>
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index < activeItemIndex &&
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!item.classList.contains('timeline-item-alt'),
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);
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}
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if (prevItem) {
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prevItem.focus();
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prevItem.scrollIntoView(scrollIntoViewOptions);
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}
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} else {
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// If active status is not in viewport, get the topmost status-link in viewport
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const topmostItem = allItems.find((item) => {
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const itemRect = item.getBoundingClientRect();
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return itemRect.top >= 44 && itemRect.left >= 0; // 44 is the magic number for header height, not real
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});
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if (topmostItem) {
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topmostItem.focus();
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topmostItem.scrollIntoView(scrollIntoViewOptions);
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}
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}
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});
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const oRef = useHotkeys(['enter', 'o'], () => {
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// open active status
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const activeItem = document.activeElement.closest(itemsSelector);
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if (activeItem) {
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activeItem.click();
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}
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});
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const showNewPostsIndicator =
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items.length > 0 && uiState !== 'loading' && showNew;
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const handleLoadNewPosts = useCallback(() => {
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if (showNewPostsIndicator) loadItems(true);
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scrollableRef.current?.scrollTo({
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top: 0,
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behavior: 'smooth',
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});
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}, [loadItems, showNewPostsIndicator]);
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const dotRef = useHotkeys('.', handleLoadNewPosts);
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// const {
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// scrollDirection,
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// nearReachStart,
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// nearReachEnd,
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// reachStart,
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// reachEnd,
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// } = useScroll({
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// scrollableRef,
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// distanceFromEnd: 2,
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// scrollThresholdStart: 44,
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// });
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const headerRef = useRef();
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// const [hiddenUI, setHiddenUI] = useState(false);
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const [nearReachStart, setNearReachStart] = useState(false);
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useScrollFn(
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{
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scrollableRef,
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distanceFromEnd: 2,
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scrollThresholdStart: 44,
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},
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({
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scrollDirection,
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nearReachStart,
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// nearReachEnd,
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reachStart,
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// reachEnd,
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}) => {
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// setHiddenUI(scrollDirection === 'end' && !nearReachEnd);
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if (headerRef.current) {
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const hiddenUI = scrollDirection === 'end' && !nearReachStart;
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headerRef.current.hidden = hiddenUI;
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}
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setNearReachStart(nearReachStart);
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if (reachStart) {
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loadItems(true);
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}
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// else if (nearReachEnd || (reachEnd && showMore)) {
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// loadItems();
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// }
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},
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[],
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);
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useEffect(() => {
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scrollableRef.current?.scrollTo({ top: 0 });
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loadItems(true);
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}, []);
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useEffect(() => {
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loadItems(true);
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}, [refresh]);
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// useEffect(() => {
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// if (reachStart) {
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// loadItems(true);
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// }
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// }, [reachStart]);
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// useEffect(() => {
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// if (nearReachEnd || (reachEnd && showMore)) {
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// loadItems();
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// }
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// }, [nearReachEnd, showMore]);
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const prevView = useRef(view);
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useEffect(() => {
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if (prevView.current !== view) {
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prevView.current = view;
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setItems([]);
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}
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}, [view]);
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const loadOrCheckUpdates = useCallback(
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async ({ disableIdleCheck = false } = {}) => {
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const noPointers = scrollableRef.current
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? getComputedStyle(scrollableRef.current).pointerEvents === 'none'
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: false;
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console.log('✨ Load or check updates', id, {
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autoRefresh: snapStates.settings.autoRefresh,
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scrollTop: scrollableRef.current.scrollTop,
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disableIdleCheck,
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idle: window.__IDLE__,
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inBackground: inBackground(),
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noPointers,
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});
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if (
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snapStates.settings.autoRefresh &&
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scrollableRef.current.scrollTop < 16 &&
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(disableIdleCheck || window.__IDLE__) &&
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!inBackground() &&
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!noPointers
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) {
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console.log('✨ Load updates', id, snapStates.settings.autoRefresh);
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loadItems(true);
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} else {
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console.log('✨ Check updates', id, snapStates.settings.autoRefresh);
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const hasUpdate = await checkForUpdates();
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if (hasUpdate) {
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console.log('✨ Has new updates', id);
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setShowNew(true);
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}
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}
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},
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[id, loadItems, checkForUpdates, snapStates.settings.autoRefresh],
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);
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const lastHiddenTime = useRef();
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usePageVisibility(
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(visible) => {
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if (visible) {
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const timeDiff = Date.now() - lastHiddenTime.current;
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if (!lastHiddenTime.current || timeDiff > 1000 * 3) {
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// 3 seconds
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loadOrCheckUpdates({
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disableIdleCheck: true,
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});
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}
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} else {
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lastHiddenTime.current = Date.now();
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}
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setVisible(visible);
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},
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[checkForUpdates, loadOrCheckUpdates, snapStates.settings.autoRefresh],
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);
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// checkForUpdates interval
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useInterval(
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loadOrCheckUpdates,
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visible && !showNew
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? checkForUpdatesInterval * (nearReachStart ? 1 : 2)
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: null,
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);
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// const hiddenUI = scrollDirection === 'end' && !nearReachStart;
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return (
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<FilterContext.Provider value={filterContext}>
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<div
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id={`${id}-page`}
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class={`deck-container ${
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mediaFirst ? 'deck-container-media-first' : ''
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}`}
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ref={(node) => {
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scrollableRef.current = node;
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jRef.current = node;
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kRef.current = node;
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oRef.current = node;
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dotRef.current = node;
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}}
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tabIndex="-1"
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>
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<div class="timeline-deck deck">
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<header
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ref={headerRef}
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// hidden={hiddenUI}
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onClick={(e) => {
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if (!e.target.closest('a, button')) {
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scrollableRef.current?.scrollTo({
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top: 0,
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behavior: 'smooth',
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});
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}
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}}
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onDblClick={(e) => {
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if (!e.target.closest('a, button')) {
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loadItems(true);
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}
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}}
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class={uiState === 'loading' ? 'loading' : ''}
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>
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<div class="header-grid">
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<div class="header-side">
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<NavMenu />
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{headerStart !== null && headerStart !== undefined ? (
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headerStart
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) : (
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<Link to="/" class="button plain home-button">
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<Icon icon="home" size="l" />
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</Link>
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)}
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</div>
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{title && (titleComponent ? titleComponent : <h1>{title}</h1>)}
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<div class="header-side">
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{/* <Loader hidden={uiState !== 'loading'} /> */}
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{!!headerEnd && headerEnd}
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</div>
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</div>
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{showNewPostsIndicator && (
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<button
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class="updates-button shiny-pill"
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type="button"
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onClick={handleLoadNewPosts}
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>
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<Icon icon="arrow-up" /> New posts
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</button>
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)}
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</header>
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{!!timelineStart && (
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<div
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class={`timeline-start ${uiState === 'loading' ? 'loading' : ''}`}
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>
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{timelineStart}
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</div>
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)}
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{!!items.length ? (
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<>
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<ul class={`timeline ${view ? `timeline-${view}` : ''}`}>
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{items.map((status) => (
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<TimelineItem
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status={status}
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instance={instance}
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useItemID={useItemID}
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// allowFilters={allowFilters}
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filterContext={filterContext}
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key={status.id + status?._pinned + view}
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view={view}
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showFollowedTags={showFollowedTags}
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showReplyParent={showReplyParent}
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mediaFirst={mediaFirst}
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/>
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))}
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{showMore &&
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uiState === 'loading' &&
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(view === 'media' ? null : (
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<>
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<li
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style={{
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height: '20vh',
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}}
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>
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<Status skeleton mediaFirst={mediaFirst} />
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</li>
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<li
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style={{
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height: '25vh',
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}}
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>
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<Status skeleton mediaFirst={mediaFirst} />
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</li>
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</>
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))}
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</ul>
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{uiState === 'default' &&
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(showMore ? (
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<InView
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root={scrollableRef.current}
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rootMargin={`0px 0px ${screen.height * 1.5}px 0px`}
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onChange={(inView) => {
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if (inView) {
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loadItems();
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}
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}}
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>
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<button
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type="button"
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class="plain block"
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onClick={() => loadItems()}
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style={{ marginBlockEnd: '6em' }}
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>
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Show more…
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</button>
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</InView>
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) : (
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<p class="ui-state insignificant">The end.</p>
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))}
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</>
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) : uiState === 'loading' ? (
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<ul class="timeline">
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{Array.from({ length: 5 }).map((_, i) =>
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view === 'media' ? (
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<div
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style={{
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height: '50vh',
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}}
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/>
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) : (
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<li key={i}>
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<Status skeleton mediaFirst={mediaFirst} />
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</li>
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),
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)}
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</ul>
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) : (
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uiState !== 'error' &&
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uiState !== 'start' && <p class="ui-state">{emptyText}</p>
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)}
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{uiState === 'error' && (
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<p class="ui-state">
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{errorText}
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<br />
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<br />
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<button type="button" onClick={() => loadItems(!items.length)}>
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Try again
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</button>
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</p>
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)}
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</div>
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</div>
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</FilterContext.Provider>
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);
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}
|
|
|
|
const TimelineItem = memo(
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|
({
|
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status,
|
|
instance,
|
|
useItemID,
|
|
// allowFilters,
|
|
filterContext,
|
|
view,
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showFollowedTags,
|
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showReplyParent,
|
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mediaFirst,
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}) => {
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console.debug('RENDER TimelineItem', status.id);
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const { id: statusID, reblog, items, type, _pinned } = status;
|
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if (_pinned) useItemID = false;
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const actualStatusID = reblog?.id || statusID;
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const url = instance
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? `/${instance}/s/${actualStatusID}`
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: `/s/${actualStatusID}`;
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|
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if (items) {
|
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const fItems = filteredItems(items, filterContext);
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|
let title = '';
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if (type === 'boosts') {
|
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title = `${fItems.length} Boosts`;
|
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} else if (type === 'pinned') {
|
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title = 'Pinned posts';
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}
|
|
const isCarousel = type === 'boosts' || type === 'pinned';
|
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if (isCarousel) {
|
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// Here, we don't hide filtered posts, but we sort them last
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|
fItems.sort((a, b) => {
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// if (a._filtered && !b._filtered) {
|
|
// return 1;
|
|
// }
|
|
// if (!a._filtered && b._filtered) {
|
|
// return -1;
|
|
// }
|
|
const aFiltered = isFiltered(a.filtered, filterContext);
|
|
const bFiltered = isFiltered(b.filtered, filterContext);
|
|
if (aFiltered && !bFiltered) {
|
|
return 1;
|
|
}
|
|
if (!aFiltered && bFiltered) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
});
|
|
return (
|
|
<li key={`timeline-${statusID}`} class="timeline-item-carousel">
|
|
<StatusCarousel title={title} class={`${type}-carousel`}>
|
|
{fItems.map((item) => {
|
|
const { id: statusID, reblog, _pinned } = item;
|
|
const actualStatusID = reblog?.id || statusID;
|
|
const url = instance
|
|
? `/${instance}/s/${actualStatusID}`
|
|
: `/s/${actualStatusID}`;
|
|
if (_pinned) useItemID = false;
|
|
return (
|
|
<li key={statusID}>
|
|
<Link
|
|
class="status-carousel-link timeline-item-alt"
|
|
to={url}
|
|
>
|
|
{useItemID ? (
|
|
<Status
|
|
statusID={statusID}
|
|
instance={instance}
|
|
size="s"
|
|
contentTextWeight
|
|
enableCommentHint
|
|
// allowFilters={allowFilters}
|
|
mediaFirst={mediaFirst}
|
|
/>
|
|
) : (
|
|
<Status
|
|
status={item}
|
|
instance={instance}
|
|
size="s"
|
|
contentTextWeight
|
|
enableCommentHint
|
|
// allowFilters={allowFilters}
|
|
mediaFirst={mediaFirst}
|
|
/>
|
|
)}
|
|
</Link>
|
|
</li>
|
|
);
|
|
})}
|
|
</StatusCarousel>
|
|
</li>
|
|
);
|
|
}
|
|
const manyItems = fItems.length > 3;
|
|
return fItems.map((item, i) => {
|
|
const { id: statusID, _differentAuthor } = item;
|
|
const url = instance ? `/${instance}/s/${statusID}` : `/s/${statusID}`;
|
|
const isMiddle = i > 0 && i < fItems.length - 1;
|
|
const isSpoiler = item.sensitive && !!item.spoilerText;
|
|
const showCompact =
|
|
(!_differentAuthor && isSpoiler && i > 0) ||
|
|
(manyItems &&
|
|
isMiddle &&
|
|
(type === 'thread' ||
|
|
(type === 'conversation' &&
|
|
!_differentAuthor &&
|
|
!fItems[i - 1]._differentAuthor &&
|
|
!fItems[i + 1]._differentAuthor)));
|
|
const isStart = i === 0;
|
|
const isEnd = i === fItems.length - 1;
|
|
return (
|
|
<li
|
|
key={`timeline-${statusID}`}
|
|
class={`timeline-item-container timeline-item-container-type-${type} timeline-item-container-${
|
|
isStart ? 'start' : isEnd ? 'end' : 'middle'
|
|
} ${_differentAuthor ? 'timeline-item-diff-author' : ''}`}
|
|
>
|
|
<Link class="status-link timeline-item" to={url}>
|
|
{showCompact ? (
|
|
<TimelineStatusCompact status={item} instance={instance} />
|
|
) : useItemID ? (
|
|
<Status
|
|
statusID={statusID}
|
|
instance={instance}
|
|
enableCommentHint={isEnd}
|
|
showFollowedTags={showFollowedTags}
|
|
// allowFilters={allowFilters}
|
|
/>
|
|
) : (
|
|
<Status
|
|
status={item}
|
|
instance={instance}
|
|
enableCommentHint={isEnd}
|
|
showFollowedTags={showFollowedTags}
|
|
// allowFilters={allowFilters}
|
|
/>
|
|
)}
|
|
</Link>
|
|
</li>
|
|
);
|
|
});
|
|
}
|
|
|
|
const itemKey = `timeline-${statusID + _pinned}`;
|
|
|
|
if (view === 'media') {
|
|
return useItemID ? (
|
|
<MediaPost
|
|
class="timeline-item"
|
|
parent="li"
|
|
key={itemKey}
|
|
statusID={statusID}
|
|
instance={instance}
|
|
// allowFilters={allowFilters}
|
|
/>
|
|
) : (
|
|
<MediaPost
|
|
class="timeline-item"
|
|
parent="li"
|
|
key={itemKey}
|
|
status={status}
|
|
instance={instance}
|
|
// allowFilters={allowFilters}
|
|
/>
|
|
);
|
|
}
|
|
|
|
return (
|
|
<li key={itemKey}>
|
|
<Link class="status-link timeline-item" to={url}>
|
|
{useItemID ? (
|
|
<Status
|
|
statusID={statusID}
|
|
instance={instance}
|
|
enableCommentHint
|
|
showFollowedTags={showFollowedTags}
|
|
showReplyParent={showReplyParent}
|
|
// allowFilters={allowFilters}
|
|
mediaFirst={mediaFirst}
|
|
/>
|
|
) : (
|
|
<Status
|
|
status={status}
|
|
instance={instance}
|
|
enableCommentHint
|
|
showFollowedTags={showFollowedTags}
|
|
showReplyParent={showReplyParent}
|
|
// allowFilters={allowFilters}
|
|
mediaFirst={mediaFirst}
|
|
/>
|
|
)}
|
|
</Link>
|
|
</li>
|
|
);
|
|
},
|
|
(oldProps, newProps) => {
|
|
const oldID = (oldProps.status?.id || '').toString();
|
|
const newID = (newProps.status?.id || '').toString();
|
|
return (
|
|
oldID === newID &&
|
|
oldProps.instance === newProps.instance &&
|
|
oldProps.view === newProps.view
|
|
);
|
|
},
|
|
);
|
|
|
|
function StatusCarousel({ title, class: className, children }) {
|
|
const carouselRef = useRef();
|
|
// const { reachStart, reachEnd, init } = useScroll({
|
|
// scrollableRef: carouselRef,
|
|
// direction: 'horizontal',
|
|
// });
|
|
const startButtonRef = useRef();
|
|
const endButtonRef = useRef();
|
|
// useScrollFn(
|
|
// {
|
|
// scrollableRef: carouselRef,
|
|
// direction: 'horizontal',
|
|
// init: true,
|
|
// },
|
|
// ({ reachStart, reachEnd }) => {
|
|
// if (startButtonRef.current) startButtonRef.current.disabled = reachStart;
|
|
// if (endButtonRef.current) endButtonRef.current.disabled = reachEnd;
|
|
// },
|
|
// [],
|
|
// );
|
|
// useEffect(() => {
|
|
// init?.();
|
|
// }, []);
|
|
|
|
const [render, setRender] = useState(false);
|
|
useEffect(() => {
|
|
setTimeout(() => {
|
|
setRender(true);
|
|
}, 1);
|
|
}, []);
|
|
|
|
return (
|
|
<div class={`status-carousel ${className}`}>
|
|
<header>
|
|
<h3>{title}</h3>
|
|
<span>
|
|
<button
|
|
ref={startButtonRef}
|
|
type="button"
|
|
class="small plain2"
|
|
// disabled={reachStart}
|
|
onClick={() => {
|
|
carouselRef.current?.scrollBy({
|
|
left: -Math.min(320, carouselRef.current?.offsetWidth),
|
|
behavior: 'smooth',
|
|
});
|
|
}}
|
|
>
|
|
<Icon icon="chevron-left" />
|
|
</button>{' '}
|
|
<button
|
|
ref={endButtonRef}
|
|
type="button"
|
|
class="small plain2"
|
|
// disabled={reachEnd}
|
|
onClick={() => {
|
|
carouselRef.current?.scrollBy({
|
|
left: Math.min(320, carouselRef.current?.offsetWidth),
|
|
behavior: 'smooth',
|
|
});
|
|
}}
|
|
>
|
|
<Icon icon="chevron-right" />
|
|
</button>
|
|
</span>
|
|
</header>
|
|
<ul ref={carouselRef}>
|
|
<InView
|
|
class="status-carousel-beacon"
|
|
onChange={(inView) => {
|
|
if (startButtonRef.current)
|
|
startButtonRef.current.disabled = inView;
|
|
}}
|
|
/>
|
|
{children[0]}
|
|
{render && children.slice(1)}
|
|
<InView
|
|
class="status-carousel-beacon"
|
|
onChange={(inView) => {
|
|
if (endButtonRef.current) endButtonRef.current.disabled = inView;
|
|
}}
|
|
/>
|
|
</ul>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
function TimelineStatusCompact({ status, instance }) {
|
|
const snapStates = useSnapshot(states);
|
|
const { id, visibility, language } = status;
|
|
const statusPeekText = statusPeek(status);
|
|
const sKey = statusKey(id, instance);
|
|
return (
|
|
<article
|
|
class={`status compact-thread ${
|
|
visibility === 'direct' ? 'visibility-direct' : ''
|
|
}`}
|
|
tabindex="-1"
|
|
>
|
|
{!!snapStates.statusThreadNumber[sKey] ? (
|
|
<div class="status-thread-badge">
|
|
<Icon icon="thread" size="s" />
|
|
{snapStates.statusThreadNumber[sKey]
|
|
? ` ${snapStates.statusThreadNumber[sKey]}/X`
|
|
: ''}
|
|
</div>
|
|
) : (
|
|
<div class="status-thread-badge">
|
|
<Icon icon="thread" size="s" />
|
|
</div>
|
|
)}
|
|
<div
|
|
class="content-compact"
|
|
title={statusPeekText}
|
|
lang={language}
|
|
dir="auto"
|
|
>
|
|
{statusPeekText}
|
|
{status.sensitive && status.spoilerText && (
|
|
<>
|
|
{' '}
|
|
<span class="spoiler-badge">
|
|
<Icon icon="eye-close" size="s" />
|
|
</span>
|
|
</>
|
|
)}
|
|
</div>
|
|
</article>
|
|
);
|
|
}
|
|
|
|
function inBackground() {
|
|
return !!document.querySelector('.deck-backdrop, #modal-container > *');
|
|
}
|
|
|
|
export default Timeline;
|