1import * as Updates from './Updates';
2import type { Manifest, UpdatesNativeStateMachineContext } from './Updates.types';
3import { UpdateInfoType, type CurrentlyRunningInfo, type UpdateInfo } from './UseUpdates.types';
4
5// The currently running info, constructed from Updates constants
6export const currentlyRunning: CurrentlyRunningInfo = {
7  updateId: Updates.updateId ?? undefined,
8  channel: Updates.channel ?? undefined,
9  createdAt: Updates.createdAt ?? undefined,
10  isEmbeddedLaunch: Updates.isEmbeddedLaunch,
11  isEmergencyLaunch: Updates.isEmergencyLaunch,
12  manifest: Updates.manifest ?? undefined,
13  runtimeVersion: Updates.runtimeVersion ?? undefined,
14};
15
16// Type for the state managed by useUpdates().
17// Used internally by this module and not exported publicly.
18export type UseUpdatesStateType = {
19  availableUpdate?: UpdateInfo;
20  downloadedUpdate?: UpdateInfo;
21  checkError?: Error;
22  downloadError?: Error;
23  initializationError?: Error;
24  isUpdateAvailable: boolean;
25  isUpdatePending: boolean;
26  isChecking: boolean;
27  isDownloading: boolean;
28  lastCheckForUpdateTimeSinceRestart?: Date;
29};
30
31// Constructs an UpdateInfo from a manifest
32export const updateFromManifest: (manifest: NonNullable<Manifest>) => UpdateInfo = (manifest) => {
33  return {
34    type: UpdateInfoType.NEW,
35    updateId: manifest.id ?? '',
36    createdAt:
37      manifest && 'createdAt' in manifest && manifest.createdAt
38        ? new Date(manifest.createdAt)
39        : // We should never reach this if the manifest is valid and has a commit time,
40          // but leave this in so that createdAt is always defined
41          new Date(0),
42    manifest,
43  };
44};
45
46// Default useUpdates() state
47export const defaultUseUpdatesState: UseUpdatesStateType = {
48  isChecking: false,
49  isDownloading: false,
50  isUpdateAvailable: false,
51  isUpdatePending: false,
52};
53
54// Transform the useUpdates() state based on native state machine context
55export const reduceUpdatesStateFromContext: (
56  updatesState: UseUpdatesStateType,
57  context: UpdatesNativeStateMachineContext
58) => UseUpdatesStateType = (updatesState, context) => {
59  const availableUpdate = context?.latestManifest
60    ? updateFromManifest(context?.latestManifest)
61    : undefined;
62  const downloadedUpdate = context?.downloadedManifest
63    ? updateFromManifest(context?.downloadedManifest)
64    : undefined;
65  return {
66    ...updatesState,
67    isUpdateAvailable: context.isUpdateAvailable,
68    isUpdatePending: context.isUpdatePending,
69    isChecking: context.isChecking,
70    isDownloading: context.isDownloading,
71    availableUpdate,
72    downloadedUpdate,
73    checkError: context.checkError,
74    downloadError: context.downloadError,
75    lastCheckForUpdateTimeSinceRestart: context.lastCheckForUpdateTime,
76  };
77};
78