42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
import { get } from '../../_utils/lodash-lite'
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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, 'timelineItemIds', 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, 'itemIdsToAdd', null)
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computeForTimeline(store, 'showHeader', false)
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computeForTimeline(store, 'shouldShowHeader', false)
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computeForTimeline(store, 'timelineItemIdsAreStale', false)
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store.compute('firstTimelineItemId', ['timelineItemIds'], (timelineItemIds) => {
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return timelineItemIds && timelineItemIds[0]
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})
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store.compute('lastTimelineItemId', ['timelineItemIds'], (timelineItemIds) => {
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return timelineItemIds && timelineItemIds[timelineItemIds.length - 1]
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})
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store.compute('numberOfNotifications',
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[`timelineData_itemIdsToAdd`, '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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