Add isolatedDeclarations to common, true-time and player.

.vscode/settings.json

@@ -9,5 +9,6 @@
     "cSpell.words": [
       "Retryable",
       "typecheck"
-    ]
+    ],
+    "typescript.tsdk": "./node_modules/typescript/lib"
 }

packages/auth/vite-legacy.config.ts

@@ -1,9 +1,13 @@
 import topLevelAwait from 'vite-plugin-top-level-await';
-import { defineConfig, mergeConfig } from 'vitest/config';
+import {
+  type UserConfigFnObject,
+  defineConfig,
+  mergeConfig,
+} from 'vitest/config';
 
 import defaultViteConfig from './vite.config';
 
-export default defineConfig(configEnv =>
+const config: UserConfigFnObject = defineConfig(configEnv =>
   mergeConfig(
     defaultViteConfig(configEnv),
     defineConfig({
@@ -20,3 +24,5 @@ export default defineConfig(configEnv =>
     }),
   ),
 );
+
+export default config;

packages/auth/vite.config.ts

@@ -1,7 +1,11 @@
 import dts from 'vite-plugin-dts';
-import { type UserConfig, defineConfig } from 'vitest/config';
+import {
+  type UserConfig,
+  type UserConfigFnObject,
+  defineConfig,
+} from 'vitest/config';
 
-export default defineConfig(({ command }) => {
+const config: UserConfigFnObject = defineConfig(({ command }) => {
   // needed for demo cors
   const serverExtras: UserConfig =
     command === 'serve'
@@ -49,3 +53,5 @@ export default defineConfig(({ command }) => {
     ...serverExtras,
   };
 });
+
+export default config;

packages/common/tsconfig.json

@@ -1,7 +1,9 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "baseUrl": "."
+    "baseUrl": ".",
+    "declaration": true,
+    "isolatedDeclarations": true
   },
   "include": ["."]
 }

packages/common/vite.config.ts

@@ -1,7 +1,7 @@
 import dts from 'vite-plugin-dts';
-import { configDefaults, defineConfig } from 'vitest/config';
+import { configDefaults, defineConfig, type UserConfig } from 'vitest/config';
 
-export default defineConfig({
+const config: UserConfig = defineConfig({
   build: {
     lib: {
       entry: 'src/index.ts',
@@ -28,3 +28,5 @@ export default defineConfig({
     unstubGlobals: true,
   },
 });
+
+export default config;

packages/player/src/api/event/active-device-disconnected.ts

@@ -3,6 +3,6 @@ export const eventName = 'active-device-disconnected';
 /**
  * Native player device disconnect event.
  */
-export function activeDeviceDisconnected() {
+export function activeDeviceDisconnected(): CustomEvent {
   return new CustomEvent(eventName);
 }

packages/player/src/api/event/preload-request.ts

@@ -1,3 +1,3 @@
-export function preloadRequest() {
+export function preloadRequest(): CustomEvent {
   return new CustomEvent('preload-request');
 }

packages/player/src/config.ts

@@ -44,4 +44,4 @@ export function update(updates: Partial<Config>): Config {
   return state;
 }
 
-export const events = new EventTarget();
+export const events: EventTarget = new EventTarget();

packages/player/src/event-bus.ts

@@ -1,7 +1,7 @@
 import { PlayerError } from './internal';
 
 class PlayerEventTarget extends EventTarget {
-  dispatchError(error: PlayerError) {
+  dispatchError(error: PlayerError): void {
     this.dispatchEvent(
       new CustomEvent('error', {
         detail: error.toJSON(),
@@ -10,4 +10,4 @@ class PlayerEventTarget extends EventTarget {
   }
 }
 
-export const events = new PlayerEventTarget();
+export const events: PlayerEventTarget = new PlayerEventTarget();

packages/player/src/index.ts

@@ -44,7 +44,7 @@ export function getMediaElement(): HTMLMediaElement | null {
  *
  * @param {Options} options
  */
-export function bootstrap(options: Options) {
+export function bootstrap(options: Options): void {
   playerState.activePlayer = undefined;
 
   if (options.outputDevices === true) {

packages/player/src/internal/beacon/index.ts

@@ -9,7 +9,7 @@ import type { CommitData, PrematureEvents } from './types';
  * Generates a Web Worker from a function.
  */
 // eslint-disable-next-line @typescript-eslint/ban-types
-export function workerize(method: Function) {
+export function workerize(method: Function): string {
   const functionBody = `(${method.toString()})();`;
   const workerBlob = new Blob([functionBody], { type: 'text/javascript' });
 
@@ -34,7 +34,7 @@ async function handleWorkerMessage(
 /**
  * Start the event beacon worker.
  */
-export async function start() {
+export async function start(): Promise<void> {
   if (!worker) {
     const { beacon } = await import('./worker');
 
@@ -54,7 +54,7 @@ function notEmpty<TValue>(value: TValue | null | undefined): value is TValue {
 export async function commit(
   beaconWorker: Worker | undefined,
   data: Pick<CommitData, 'events' | 'type'>,
-) {
+): Promise<CommitData | undefined> {
   if (beaconWorker) {
     const finishedEvents = await Promise.all(data.events);
     const definedEvents: Array<PrematureEvents> =
@@ -86,4 +86,6 @@ export async function commit(
   } else {
     console.warn('Event beacon is not running.');
   }
+
+  return undefined;
 }

packages/player/src/internal/beacon/worker.ts

@@ -34,7 +34,7 @@ type Sessions = {
   userId: number;
 };
 
-export function beacon() {
+export function beacon(): void {
   let queue: Array<BeaconEvent> = [];
   let accessToken: string | undefined;
   let clientId: string | undefined;

packages/player/src/internal/event-tracking/play-log/index.ts

@@ -7,7 +7,7 @@ import { runIfAuthorizedWithUser } from '../../helpers/run-if-authorized-with-us
 /**
  * Send event to event system scoped to play_log category.
  */
-export function commit(data: Pick<CommitData, 'events'>) {
+export function commit(data: Pick<CommitData, 'events'>): Promise<CommitData> {
   return runIfAuthorizedWithUser(() =>
     beaconCommit(worker, {
       type: 'play_log' as const,

packages/player/src/internal/event-tracking/play-log/playback-session.ts

@@ -1,4 +1,4 @@
-import { createReducer } from '../../helpers/reducer';
+import { createReducer, type Reducer } from '../../helpers/reducer';
 import type {
   AssetPresentation,
   AudioMode,
@@ -53,7 +53,7 @@ const defaultPayload: Payload = {
   startTimestamp: -1,
 };
 
-const reducer = await createReducer<Payload, 'playback_session'>(
+const reducer: Reducer<Payload, 'playback_session'> = await createReducer(
   'playback_session',
   defaultPayload,
 );
@@ -69,14 +69,22 @@ const reducer = await createReducer<Payload, 'playback_session'>(
  * of media for a certain media product has been presented
  * to the user.
  */
-export function playbackSession(newData: Parameters<typeof reducer>[0]) {
+export function playbackSession(newData: Parameters<typeof reducer>[0]): Promise<{
+  payload: Payload;
+  name: "playback_session";
+  streamingSessionId: string;
+} | undefined> {
   return reducer(newData);
 }
 
 export function playbackSessionAction(
   streamingSessionId: string,
   action: Action,
-) {
+): Promise<{
+  payload: Payload;
+  name: "playback_session";
+  streamingSessionId: string;
+} | undefined> {
   return reducer({
     actions: [action],
     streamingSessionId,

packages/player/src/internal/event-tracking/streaming-metrics/drm-license-fetch.ts

@@ -1,4 +1,4 @@
-import { createReducer } from '../../helpers/reducer';
+import { createReducer, type Reducer } from '../../helpers/reducer';
 
 export type Payload = {
   endReason: 'COMPLETE' | 'ERROR' | 'OTHER';
@@ -23,11 +23,15 @@ const defaultPayload: Payload = {
   streamingSessionId: '',
 };
 
-const reducer = await createReducer<Payload, 'drm_license_fetch'>(
+const reducer: Reducer<Payload, 'drm_license_fetch'> = await createReducer(
   'drm_license_fetch',
   defaultPayload,
 );
 
-export function drmLicenseFetch(newData: Parameters<typeof reducer>[0]) {
+export function drmLicenseFetch(newData: Parameters<typeof reducer>[0]): Promise<{
+  payload: Payload;
+  name: "drm_license_fetch";
+  streamingSessionId: string;
+} | undefined> {
   return reducer(newData);
 }

packages/player/src/internal/event-tracking/streaming-metrics/index.ts

@@ -1,6 +1,6 @@
 export { drmLicenseFetch } from './drm-license-fetch';
 export { playbackInfoFetch } from './playback-info-fetch';
-export { playbackStatistics } from './playback-statistics';
+export { playbackStatisticsTrack, playbackStatisticsVideo, playbackStatistics } from './playback-statistics';
 export { streamingSessionEnd } from './streaming-session-end';
 export { streamingSessionStart } from './streaming-session-start';
 
@@ -11,7 +11,7 @@ import { runIfAuthorizedWithUser } from '../../helpers/run-if-authorized-with-us
 /**
  * Send event to event system scoped to streaming_metrics category.
  */
-export function commit(data: Pick<CommitData, 'events'>) {
+export function commit(data: Pick<CommitData, 'events'>): Promise<CommitData> {
   return runIfAuthorizedWithUser(() =>
     beaconCommit(worker, {
       type: 'streaming_metrics',

packages/player/src/internal/event-tracking/streaming-metrics/playback-info-fetch.ts

@@ -1,4 +1,4 @@
-import { createReducer } from '../../helpers/reducer';
+import { createReducer, type Reducer } from '../../helpers/reducer';
 
 export type Payload = {
   endReason: 'COMPLETE' | 'ERROR' | 'OTHER';
@@ -23,14 +23,18 @@ const defaultPayload: Payload = {
   streamingSessionId: '',
 };
 
-const reducer = await createReducer<Payload, 'playback_info_fetch'>(
+const reducer: Reducer<Payload, 'playback_info_fetch'> = await createReducer(
   'playback_info_fetch',
   defaultPayload,
 );
 
 /**
  * Create playbackInfoFetch event.
  */
-export function playbackInfoFetch(newData: Parameters<typeof reducer>[0]) {
+export function playbackInfoFetch(newData: Parameters<typeof reducer>[0]): Promise<{
+  payload: Payload;
+  name: "playback_info_fetch";
+  streamingSessionId: string;
+} | undefined> {
   return reducer(newData);
 }

packages/player/src/internal/event-tracking/streaming-metrics/playback-statistics.ts

@@ -1,4 +1,4 @@
-import { createReducer } from '../../helpers/reducer';
+import { createReducer, type Reducer } from '../../helpers/reducer';
 import type { OutputType } from '../../output-devices';
 import type { AudioQuality, VideoQuality } from '../../types';
 
@@ -48,21 +48,19 @@ export type BasePayload = {
   streamingSessionId: string;
 };
 
-export type TrackPayload = {
-  actualQuality: AudioQuality;
-  productType: 'TRACK';
-};
-
-export type VideoPayload = {
+export type VideoPayload = BasePayload & {
   actualQuality: VideoQuality;
   productType: 'VIDEO';
 };
 
-export type Payload = BasePayload & (TrackPayload | VideoPayload);
+export type TrackPayload = BasePayload & {
+  actualQuality: AudioQuality;
+  productType: 'TRACK';
+};
 
 export type PlaybackStatistics = {
   name: 'playback_statistics';
-  payload: Payload;
+  payload: TrackPayload | VideoPayload;
 };
 
 export function transformOutputType(
@@ -89,7 +87,7 @@ export function transformOutputType(
   }
 }
 
-const defaultPayload: Payload = {
+const defaultTrackPayload: TrackPayload = {
   actualAssetPresentation: 'FULL',
   actualAudioMode: 'STEREO',
   actualProductId: null,
@@ -111,14 +109,69 @@ const defaultPayload: Payload = {
   streamingSessionId: '',
 };
 
-const reducer = await createReducer<Payload, 'playback_statistics'>(
+const defaultVideoPayload: VideoPayload = {
+  actualAssetPresentation: 'FULL',
+  actualAudioMode: 'STEREO',
+  actualProductId: null,
+  actualQuality: 'HIGH',
+  actualStartTimestamp: 0,
+  actualStreamType: 'ON_DEMAND',
+  adaptations: [],
+  cdm: 'WIDEVINE',
+  cdmVersion: null,
+  endReason: 'COMPLETE',
+  endTimestamp: 0,
+  errorCode: null,
+  errorMessage: null,
+  hasAds: false,
+  idealStartTimestamp: 0,
+  outputDevice: null,
+  productType: 'VIDEO',
+  stalls: [],
+  streamingSessionId: '',
+};
+
+const reducer: Reducer<TrackPayload, "playback_statistics"> = await createReducer(
   'playback_statistics',
-  defaultPayload,
+  defaultTrackPayload,
 );
 
 /**
  * Create playbackStatistics event.
  */
-export function playbackStatistics(newData: Parameters<typeof reducer>[0]) {
+export function playbackStatistics(newData: Parameters<typeof reducer>[0]): Promise<{
+  payload: TrackPayload | VideoPayload;
+  name: "playback_statistics";
+  streamingSessionId: string;
+} | undefined> {
   return reducer(newData);
 }
+
+const trackPayloadReducer: Reducer<TrackPayload, "playback_statistics"> = await createReducer(
+  'playback_statistics',
+  defaultTrackPayload,
+);
+
+/**
+ * Create playbackStatistics event.
+ */
+export function playbackStatisticsTrack(newData: Parameters<typeof trackPayloadReducer>[0]): Promise<{
+  payload: TrackPayload;
+  name: "playback_statistics";
+  streamingSessionId: string;
+} | undefined> {
+  return trackPayloadReducer(newData);
+}
+
+const videoPayloadReducer: Reducer<VideoPayload, "playback_statistics"> = await createReducer(
+  'playback_statistics',
+  defaultVideoPayload,
+);
+
+export function playbackStatisticsVideo(newData: Parameters<typeof videoPayloadReducer>[0]): Promise<{
+  payload: VideoPayload;
+  name: "playback_statistics";
+  streamingSessionId: string;
+} | undefined> {
+  return videoPayloadReducer(newData);
+}