pinafore/routes/_store/timelineComputations.js

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2018-01-28 22:09:39 +01:00
export function timelineComputations(store) {
store.compute('currentTimelineData', ['currentInstance', 'currentTimeline', 'timelines'],
(currentInstance, currentTimeline, timelines) => {
return ((timelines && timelines[currentInstance]) || {})[currentTimeline] || {}
})
store.compute('timelineItemIds', ['currentTimelineData'], (currentTimelineData) => currentTimelineData.timelineItemIds || [])
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store.compute('runningUpdate', ['currentTimelineData'], (currentTimelineData) => currentTimelineData.runningUpdate)
store.compute('initialized', ['currentTimelineData'], (currentTimelineData) => currentTimelineData.initialized)
store.compute('lastTimelineItemId', ['timelineItemIds'], (timelineItemIds) => timelineItemIds.length && timelineItemIds[timelineItemIds.length - 1])
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}