expo-updates
Version:
Fetches and manages remotely-hosted assets and updates to your app's JS bundle.
64 lines • 2.48 kB
JavaScript
import * as Updates from './Updates';
import { UpdateInfoType } from './UseUpdates.types';
// The currently running info, constructed from Updates constants
export const currentlyRunning = {
updateId: Updates.updateId ?? undefined,
channel: Updates.channel ?? undefined,
createdAt: Updates.createdAt ?? undefined,
isEmbeddedLaunch: Updates.isEmbeddedLaunch,
isEmergencyLaunch: Updates.isEmergencyLaunch,
manifest: Updates.manifest ?? undefined,
runtimeVersion: Updates.runtimeVersion ?? undefined,
};
// Constructs an UpdateInfo from a manifest
export const updateFromManifest = (manifest) => {
return {
type: UpdateInfoType.NEW,
updateId: manifest.id ?? '',
createdAt: manifest && 'createdAt' in manifest && manifest.createdAt
? new Date(manifest.createdAt)
: // We should never reach this if the manifest is valid and has a commit time,
// but leave this in so that createdAt is always defined
new Date(0),
manifest,
};
};
export const updateFromRollback = (rollback) => ({
type: UpdateInfoType.ROLLBACK,
createdAt: new Date(rollback.commitTime),
manifest: undefined,
updateId: undefined,
});
// Default useUpdates() state
export const defaultUseUpdatesState = {
isChecking: false,
isDownloading: false,
isUpdateAvailable: false,
isUpdatePending: false,
};
// Transform the useUpdates() state based on native state machine context
export const reduceUpdatesStateFromContext = (updatesState, context) => {
const availableUpdate = context?.latestManifest
? updateFromManifest(context?.latestManifest)
: context.rollback
? updateFromRollback(context.rollback)
: undefined;
const downloadedUpdate = context?.downloadedManifest
? updateFromManifest(context?.downloadedManifest)
: context.rollback
? updateFromRollback(context.rollback)
: undefined;
return {
...updatesState,
isUpdateAvailable: context.isUpdateAvailable,
isUpdatePending: context.isUpdatePending,
isChecking: context.isChecking,
isDownloading: context.isDownloading,
availableUpdate,
downloadedUpdate,
checkError: context.checkError,
downloadError: context.downloadError,
lastCheckForUpdateTimeSinceRestart: context.lastCheckForUpdateTime,
};
};
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