pinafore/routes/_store/instanceComputations.js

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export function instanceComputations(store) {
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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)
store.compute(
'currentTheme',
['currentInstance', 'instanceThemes'],
(currentInstance, instanceThemes) => {
return instanceThemes[currentInstance] || 'default'
}
)
store.compute(
'currentVerifyCredentials',
['currentInstance', 'verifyCredentials'],
(currentInstance, verifyCredentials) => verifyCredentials && verifyCredentials[currentInstance]
)
store.compute(
'pinnedPage',
['pinnedPages', 'currentInstance'],
(pinnedPages, currentInstance) => (currentInstance && pinnedPages[currentInstance]) || '/local')
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store.compute(
'lists',
['instanceLists', 'currentInstance'],
(instanceLists, currentInstance) => (currentInstance && instanceLists[currentInstance]) || []
)
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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}