pinafore/routes/_store/instanceComputations.js

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function computeForInstance (store, computedKey, key, defaultValue) {
store.compute(computedKey,
[key, 'currentInstance'],
(instanceData, currentInstance) => (currentInstance && instanceData[currentInstance]) || defaultValue)
}
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export function instanceComputations (store) {
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computeForInstance(store, 'currentTheme', 'instanceThemes', 'default')
computeForInstance(store, 'currentVerifyCredentials', 'verifyCredentials', null)
computeForInstance(store, 'currentInstanceInfo', 'instanceInfos', null)
computeForInstance(store, 'pinnedPage', 'pinnedPages', '/local')
computeForInstance(store, 'lists', 'instanceLists', [])
computeForInstance(store, 'currentStatusModifications', 'statusModifications', null)
computeForInstance(store, 'currentComposeText', 'composeText', {})
computeForInstance(store, 'currentUploadedMedia', 'uploadedMedia', {})
computeForInstance(store, 'currentCustomEmoji', 'customEmoji', [])
computeForInstance(store, 'currentPostPrivacy', 'postPrivacy', {})
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store.compute(
'isUserLoggedIn',
['currentInstance', 'loggedInInstances'],
(currentInstance, loggedInInstances) => !!(currentInstance && Object.keys(loggedInInstances).includes(currentInstance))
)
store.compute(
'loggedInInstancesAsList',
['currentInstance', 'loggedInInstances', 'loggedInInstancesInOrder'],
(currentInstance, loggedInInstances, loggedInInstancesInOrder) => {
return loggedInInstancesInOrder.map(instanceName => {
return Object.assign({
current: currentInstance === instanceName,
name: instanceName
}, loggedInInstances[instanceName])
})
}
)
store.compute(
'currentInstanceData',
['currentInstance', 'loggedInInstances'],
(currentInstance, loggedInInstances) => {
return Object.assign({
name: currentInstance
}, loggedInInstances[currentInstance])
})
store.compute(
'accessToken',
['currentInstanceData'],
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(currentInstanceData) => currentInstanceData && currentInstanceData.access_token
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)
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store.compute(
'pinnedListTitle',
['lists', 'pinnedPage'],
(lists, pinnedPage) => {
if (!pinnedPage.startsWith('/lists')) {
return
}
let listId = pinnedPage.split('/').slice(-1)[0]
let list = lists.find(_ => _.id === listId)
return list ? list.title : ''
}
)
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store.compute('numberOfNotifications',
['timelines', 'currentInstance', 'currentTimeline'],
(timelines, currentInstance, currentTimeline) => {
return currentTimeline !== 'notifications' &&
timelines &&
timelines[currentInstance] &&
timelines[currentInstance].notifications &&
timelines[currentInstance].notifications.itemIdsToAdd &&
timelines[currentInstance].notifications.itemIdsToAdd.length
}
)
store.compute('hasNotifications',
['numberOfNotifications'],
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(numberOfNotifications) => !!numberOfNotifications
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)
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}