57 lines
2.2 KiB
JavaScript
57 lines
2.2 KiB
JavaScript
import { get } from '../../_utils/lodash-lite'
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import { getFirstIdFromItemSummaries, getLastIdFromItemSummaries } from '../../_utils/getIdFromItemSummaries'
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function computeForTimeline (store, key, defaultValue) {
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store.compute(key,
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['currentInstance', 'currentTimeline', `timelineData_${key}`],
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(currentInstance, currentTimeline, root) => (
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get(root, [currentInstance, currentTimeline], defaultValue)
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)
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)
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}
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export function timelineComputations (store) {
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computeForTimeline(store, 'timelineItemSummaries', null)
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computeForTimeline(store, 'timelineItemSummariesToAdd', null)
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computeForTimeline(store, 'runningUpdate', false)
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computeForTimeline(store, 'lastFocusedElementId', null)
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computeForTimeline(store, 'ignoreBlurEvents', false)
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computeForTimeline(store, 'showHeader', false)
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computeForTimeline(store, 'shouldShowHeader', false)
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computeForTimeline(store, 'timelineItemSummariesAreStale', false)
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store.compute('currentTimelineType', ['currentTimeline'], currentTimeline => (
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currentTimeline && currentTimeline.split('/')[0])
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)
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store.compute('currentTimelineValue', ['currentTimeline'], currentTimeline => {
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if (!currentTimeline) {
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return void 0
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}
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let split = currentTimeline.split('/')
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let len = split.length
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if (split[len - 1] === 'with_replies' || split[len - 1] === 'media') {
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return split[len - 2]
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}
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return split[len - 1]
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})
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store.compute('firstTimelineItemId', ['timelineItemSummaries'], (timelineItemSummaries) => (
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getFirstIdFromItemSummaries(timelineItemSummaries)
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))
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store.compute('lastTimelineItemId', ['timelineItemSummaries'], (timelineItemSummaries) => (
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getLastIdFromItemSummaries(timelineItemSummaries)
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))
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store.compute('numberOfNotifications',
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[`timelineData_timelineItemSummariesToAdd`, 'currentInstance'],
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(root, currentInstance) => (
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(root && root[currentInstance] && root[currentInstance].notifications &&
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root[currentInstance].notifications.length) || 0
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)
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)
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store.compute('hasNotifications',
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['numberOfNotifications', 'currentPage'],
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(numberOfNotifications, currentPage) => currentPage !== 'notifications' && !!numberOfNotifications
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)
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}
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