Narrow linting rules and fix for eslintrc for js files

app/src/bridge/components/cast/Session.ts

@@ -72,8 +72,6 @@ export default class Session extends CastClient {
                         this.establishAppConnection(this.transportId);
                         this.onSessionCreated?.(this.sessionId);
 
-                        const { friendlyName } = this.receiverDevice;
-
                         messaging.sendMessage({
                             subject: "cast:sessionCreated",
                             data: {

app/src/bridge/components/cast/index.ts

@@ -3,7 +3,7 @@
 import messaging, { Message } from "../../messaging";
 
 import Session from "./Session";
-import CastClient, { NS_CONNECTION, NS_RECEIVER } from "./client";
+import CastClient from "./client";
 
 const sessions = new Map<string, Session>();
 

app/src/bridge/components/cast/types.ts

@@ -125,7 +125,7 @@ interface BreakClip {
     contentId?: string;
     contentType?: string;
     contentUrl?: string;
-    customData?: {};
+    customData?: unknown;
     duration?: number;
     id: string;
     hlsSegmentFormat?: HlsSegmentFormat;
@@ -137,7 +137,7 @@ interface BreakClip {
 
 interface TextTrackStyle {
     backgroundColor: Nullable<string>;
-    customData: any;
+    customData: unknown;
     edgeColor: Nullable<string>;
     edgeType: Nullable<string>;
     fontFamily: Nullable<string>;
@@ -151,7 +151,7 @@ interface TextTrackStyle {
 }
 
 interface Track {
-    customData: any;
+    customData: unknown;
     language: Nullable<string>;
     name: Nullable<string>;
     subtype: Nullable<string>;
@@ -162,7 +162,7 @@ interface Track {
 }
 
 interface UserActionState {
-    customData: any;
+    customData: unknown;
     userAction: UserAction;
 }
 
@@ -185,7 +185,7 @@ interface MediaInformation {
     contentId: string;
     contentType: string;
     contentUrl?: string;
-    customData: any;
+    customData: unknown;
     duration: Nullable<number>;
     entity?: string;
     hlsSegmentFormat?: HlsSegmentFormat;
@@ -269,7 +269,7 @@ interface PhotoMediaMetadata {
 interface QueueItem {
     activeTrackIds: Nullable<number[]>;
     autoplay: boolean;
-    customData: any;
+    customData: unknown;
     itemId: Nullable<number>;
     media: MediaInformation;
     playbackDuration: Nullable<number>;

app/src/bridge/index.ts

@@ -6,7 +6,7 @@ import { handleCastMessage } from "./components/cast";
 import { startDiscovery, stopDiscovery } from "./components/discovery";
 import { startMediaServer, stopMediaServer } from "./components/mediaServer";
 
-import { __applicationName, __applicationVersion } from "../../package.json";
+import { __applicationVersion } from "../../package.json";
 
 process.on("SIGTERM", () => {
     stopDiscovery();

app/src/bridge/lib/subtitles.ts

@@ -37,7 +37,6 @@ export async function convertSrtToVtt(srtFilePath: string) {
      * millisecond separator.
      */
     for (const groups of fileContents.matchAll(REGEX_CAPTION)) {
-        const captionSource = groups[0];
         const captionIndex = groups[1];
         const captionTime = groups[2];
         const captionText = groups[3];

app/src/bridge/messaging.ts

@@ -163,12 +163,12 @@ type MessageDefinitions = {
     /**
      * Sent to bridge to stop HTTP media server.
      */
-    "bridge:stopMediaServer": {};
+    "bridge:stopMediaServer": undefined;
     /**
      * Sent to media sender from bridge when the media server has
      * stopped.
      */
-    "mediaCast:mediaServerStopped": {};
+    "mediaCast:mediaServerStopped": undefined;
     /**
      * Sent to media sender from bridge when the media server has
      * encountered an error.
@@ -190,8 +190,8 @@ type Messages = {
  * all-optional keys.
  */
 type NarrowedMessage<L extends MessageBase<keyof MessageDefinitions>> =
-    L extends any
-        ? {} extends L["data"]
+    L extends unknown
+        ? undefined extends L["data"]
             ? Omit<L, "data"> & Partial<L>
             : L
         : never;
@@ -231,7 +231,7 @@ class Messenger extends TypedEmitter<MessengerEvents> {
         this.encodeTransform.write(message);
     }
 
-    send(data: any) {
+    send(data: unknown) {
         this.encodeTransform.write(data);
     }
 }

app/src/transforms.ts

@@ -1,9 +1,9 @@
 "use strict";
 
-import { Transform } from "stream";
+import { Transform, TransformCallback } from "stream";
 import { Message } from "./bridge/messaging";
 
-type ResponseHandlerFunction = (message: Message) => Promise<any>;
+type ResponseHandlerFunction = (message: Message) => Promise<unknown>;
 
 /**
  * Takes a handler function that implements the transform
@@ -20,8 +20,7 @@ export class ResponseTransform extends Transform {
     public _transform(
         chunk: Message,
         _encoding: string,
-        // tslint:disable-next-line:ban-types
-        callback: Function
+        callback: TransformCallback
     ) {
         Promise.resolve(this._handler(chunk)).then(res => {
             if (res) {
@@ -49,10 +48,10 @@ export class DecodeTransform extends Transform {
     }
 
     public _transform(
-        chunk: any,
+        chunk: Uint8Array,
         _encoding: string,
         // tslint:disable-next-line:ban-types
-        callback: Function
+        callback: TransformCallback
     ) {
         // Append next chunk to buffer
         this._messageBuffer = Buffer.concat([this._messageBuffer, chunk]);
@@ -108,10 +107,10 @@ export class EncodeTransform extends Transform {
     }
 
     public _transform(
-        chunk: any,
+        chunk: Uint8Array,
         _encoding: string,
         // tslint:disable-next-line:ban-types
-        callback: Function
+        callback: TransformCallback
     ) {
         const messageLength = Buffer.alloc(4);
         const message = Buffer.from(JSON.stringify(chunk));