gab-social/app/javascript/gabsocial/pages/home_page.js
mgabdev 35c5608e1a Updated HomePage sidebar panels to lazy load
• Updated:
- HomePage sidebar panels (WhoToFollowPanel, ListsPanel, GroupsPanel) to lazy load on scroll of 25px. Otherwise, dont load.
- WhoToFollowPanel, ListsPanel, GroupsPanel have functionality to load data once

• Added:
- List component has showLoading prop

• Removed:
- Unused IntersectionObserver code in HomePage
2020-06-05 15:28:46 -04:00

130 lines
3.5 KiB
JavaScript

import { Fragment } from 'react'
import throttle from 'lodash.throttle'
import { openModal } from '../actions/modal'
import { defineMessages, injectIntl } from 'react-intl'
import { MODAL_HOME_TIMELINE_SETTINGS } from '../constants'
import { me } from '../initial_state'
import PageTitle from '../features/ui/util/page_title'
import GroupsPanel from '../components/panel/groups_panel'
import ListsPanel from '../components/panel/lists_panel'
import LinkFooter from '../components/link_footer'
import WhoToFollowPanel from '../components/panel/who_to_follow_panel'
import ProgressPanel from '../components/panel/progress_panel'
import ProPanel from '../components/panel/pro_panel'
import UserPanel from '../components/panel/user_panel'
import TrendsPanel from '../components/panel/trends_panel'
import DefaultLayout from '../layouts/default_layout'
import TimelineComposeBlock from '../components/timeline_compose_block'
import Divider from '../components/divider'
import PullToRefresher from '../components/pull_to_refresher'
const messages = defineMessages({
home: { id: 'home', defaultMessage: 'Home' },
})
const mapStateToProps = (state) => ({
totalQueuedItemsCount: state.getIn(['timelines', 'home', 'totalQueuedItemsCount']),
isPro: state.getIn(['accounts', me, 'is_pro']),
})
const mapDispatchToProps = (dispatch) => ({
onOpenHomePageSettingsModal() {
dispatch(openModal(MODAL_HOME_TIMELINE_SETTINGS))
},
})
export default
@injectIntl
@connect(mapStateToProps, mapDispatchToProps)
class HomePage extends PureComponent {
static propTypes = {
children: PropTypes.node.isRequired,
intl: PropTypes.object.isRequired,
onOpenHomePageSettingsModal: PropTypes.func.isRequired,
totalQueuedItemsCount: PropTypes.number.isRequired,
isPro: PropTypes.bool,
}
state = {
lazyLoaded: false,
}
componentDidMount() {
this.window = window
this.documentElement = document.scrollingElement || document.documentElement
this.window.addEventListener('scroll', this.handleScroll)
}
componentWillUnmount() {
this.detachScrollListener()
}
detachScrollListener = () => {
this.window.removeEventListener('scroll', this.handleScroll)
}
handleScroll = throttle(() => {
if (this.window) {
const { scrollTop } = this.documentElement
if (scrollTop > 25 && !this.state.lazyLoaded) {
this.setState({ lazyLoaded: true })
this.detachScrollListener()
}
}
}, 150, {
trailing: true,
})
render() {
const {
intl,
children,
totalQueuedItemsCount,
onOpenHomePageSettingsModal,
isPro,
} = this.props
const { lazyLoaded } = this.state
return (
<DefaultLayout
title={intl.formatMessage(messages.home)}
actions={[
{
icon: 'ellipsis',
onClick: onOpenHomePageSettingsModal,
},
]}
layout={(
<Fragment>
<UserPanel />
<ProgressPanel />
<ProPanel isPro={isPro} />
<TrendsPanel />
<ListsPanel isLazy shouldLoad={lazyLoaded} />
<WhoToFollowPanel isLazy shouldLoad={lazyLoaded} />
<GroupsPanel isLazy shouldLoad={lazyLoaded} />
<LinkFooter />
</Fragment>
)}
>
<PageTitle
path={intl.formatMessage(messages.home)}
badge={totalQueuedItemsCount}
/>
<PullToRefresher />
<TimelineComposeBlock autoFocus={false} />
<Divider />
{children}
</DefaultLayout>
)
}
}