Remove 25 trivial WhatIsThis types

ts/ConversationController.ts

@@ -7,7 +7,6 @@ import PQueue from 'p-queue';
 import dataInterface from './sql/Client';
 import {
   ConversationModelCollectionType,
-  WhatIsThis,
   ConversationAttributesTypeType,
 } from './model-types.d';
 import { SendOptionsType, CallbackResultType } from './textsecure/SendMessage';
@@ -724,7 +723,7 @@ export class ConversationController {
 
   async prepareForSend(
     id: string | undefined,
-    options?: WhatIsThis
+    options?: { syncMessage?: boolean; disableMeCheck?: boolean }
   ): Promise<{
     wrap: (
       promise: Promise<CallbackResultType | void | null>

ts/background.ts

@@ -157,9 +157,7 @@ export async function startApp(): Promise<void> {
       clearSelectedMessage();
     }
     if (userChanged) {
-      userChanged({
-        interactionMode,
-      } as WhatIsThis);
+      userChanged({ interactionMode });
     }
   };
   window.enterMouseMode = () => {
@@ -175,7 +173,7 @@ export async function startApp(): Promise<void> {
       clearSelectedMessage();
     }
     if (userChanged) {
-      userChanged({ interactionMode } as WhatIsThis);
+      userChanged({ interactionMode });
     }
   };
 
@@ -195,7 +193,7 @@ export async function startApp(): Promise<void> {
 
   // Load these images now to ensure that they don't flicker on first use
   window.preloadedImages = [];
-  function preload(list: Array<WhatIsThis>) {
+  function preload(list: ReadonlyArray<string>) {
     for (let index = 0, max = list.length; index < max; index += 1) {
       const image = new Image();
       image.src = `./images/${list[index]}`;
@@ -339,7 +337,7 @@ export async function startApp(): Promise<void> {
   window.log.info('Storage fetch');
   window.storage.fetch();
 
-  function mapOldThemeToNew(theme: WhatIsThis) {
+  function mapOldThemeToNew(theme: Readonly<unknown>) {
     switch (theme) {
       case 'dark':
       case 'light':
@@ -372,7 +370,7 @@ export async function startApp(): Promise<void> {
           'theme-setting',
           window.platform === 'darwin' ? 'system' : 'light'
         ),
-      setThemeSetting: (value: WhatIsThis) => {
+      setThemeSetting: (value: 'light' | 'dark' | 'system') => {
         window.storage.put('theme-setting', value);
         onChangeTheme();
       },
@@ -1805,7 +1803,7 @@ export async function startApp(): Promise<void> {
         USERNAME,
         PASSWORD,
         mySignalingKey,
-        messageReceiverOptions as WhatIsThis
+        messageReceiverOptions
       );
       window.textsecure.messageReceiver = messageReceiver;
 
@@ -1814,7 +1812,7 @@ export async function startApp(): Promise<void> {
       preMessageReceiverStatus = null;
 
       // eslint-disable-next-line no-inner-declarations
-      function addQueuedEventListener(name: WhatIsThis, handler: WhatIsThis) {
+      function addQueuedEventListener(name: string, handler: WhatIsThis) {
         messageReceiver.addEventListener(name, (...args: Array<WhatIsThis>) =>
           eventHandlerQueue.add(async () => {
             try {

ts/model-types.d.ts

@@ -140,12 +140,12 @@ export type MessageAttributesType = {
   attachments: Array<WhatIsThis>;
   preview: Array<WhatIsThis>;
   sticker: WhatIsThis;
-  sent_at: WhatIsThis;
+  sent_at: number;
   sent_to: Array<string>;
   unidentifiedDeliveries: Array<string>;
   contact: Array<WhatIsThis>;
   conversationId: string;
-  recipients: Array<WhatIsThis>;
+  recipients: Array<string>;
   reaction: WhatIsThis;
   destination?: WhatIsThis;
   destinationUuid?: string;

ts/models/conversations.ts

@@ -3547,7 +3547,7 @@ export class ConversationModel extends window.Backbone
   }
 
   async getSendMetadata(
-    options: { syncMessage?: string; disableMeCheck?: boolean } = {}
+    options: { syncMessage?: boolean; disableMeCheck?: boolean } = {}
   ): Promise<SendMetadataType | undefined> {
     const { syncMessage, disableMeCheck } = options;
 
@@ -4227,7 +4227,7 @@ export class ConversationModel extends window.Backbone
   async markRead(
     newestUnreadDate: number,
     providedOptions: { readAt?: number; sendReadReceipts: boolean }
-  ): Promise<WhatIsThis> {
+  ): Promise<void> {
     const options = providedOptions || {};
     window._.defaults(options, { sendReadReceipts: true });
 
@@ -5048,7 +5048,10 @@ export class ConversationModel extends window.Backbone
     return `mute(${this.get('id')})`;
   }
 
-  async notify(message: WhatIsThis, reaction?: WhatIsThis): Promise<void> {
+  async notify(
+    message: Readonly<MessageModel>,
+    reaction?: WhatIsThis
+  ): Promise<void> {
     // As a performance optimization don't perform any work if notifications are
     // disabled.
     if (!window.Whisper.Notifications.isEnabled) {
@@ -5296,7 +5299,7 @@ window.Whisper.ConversationCollection = window.Backbone.Collection.extend({
     this.generateLookups(this.models);
   },
 
-  generateLookups(models: Array<WhatIsThis>) {
+  generateLookups(models: ReadonlyArray<ConversationModel>) {
     models.forEach(model => {
       const e164 = model.get('e164');
       if (e164) {

ts/models/messages.ts

@@ -3541,9 +3541,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
           // GroupV1
           if (!isGroupV2 && dataMessage.group) {
             const pendingGroupUpdate = [];
-            const memberConversations: Array<
-              typeof window.WhatIsThis
-            > = await Promise.all(
+            const memberConversations: Array<ConversationModel> = await Promise.all(
               dataMessage.group.membersE164.map((e164: string) =>
                 window.ConversationController.getOrCreateAndWait(
                   e164,
@@ -3815,10 +3813,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
           });
         }
 
-        window.MessageController.register(
-          message.id,
-          message as typeof window.WhatIsThis
-        );
+        window.MessageController.register(message.id, message);
         conversation.incrementMessageCount();
         window.Signal.Data.updateConversation(conversation.attributes);
 
@@ -4102,7 +4097,7 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
   }
 }
 
-window.Whisper.Message = MessageModel as typeof window.WhatIsThis;
+window.Whisper.Message = MessageModel;
 
 window.Whisper.Message.getLongMessageAttachment = ({
   body,
@@ -4137,7 +4132,7 @@ window.Whisper.Message.updateTimers = () => {
 
 window.Whisper.MessageCollection = window.Backbone.Collection.extend({
   model: window.Whisper.Message,
-  comparator(left: typeof window.WhatIsThis, right: typeof window.WhatIsThis) {
+  comparator(left: Readonly<MessageModel>, right: Readonly<MessageModel>) {
     if (left.get('received_at') === right.get('received_at')) {
       return (left.get('sent_at') || 0) - (right.get('sent_at') || 0);
     }

ts/textsecure.d.ts

@@ -85,7 +85,7 @@ export type TextSecureType = {
   EventTarget: typeof EventTarget;
   MessageReceiver: typeof MessageReceiver;
   AccountManager: WhatIsThis;
-  MessageSender: WhatIsThis;
+  MessageSender: typeof MessageSender;
   SyncRequest: typeof SyncRequest;
 };
 

ts/window.d.ts

@@ -150,7 +150,7 @@ declare global {
     enterMouseMode: () => void;
     getAccountManager: () => AccountManager | undefined;
     getAlwaysRelayCalls: () => Promise<boolean>;
-    getBuiltInImages: () => Promise<Array<WhatIsThis>>;
+    getBuiltInImages: () => Promise<Array<string>>;
     getCallRingtoneNotification: () => Promise<boolean>;
     getCallSystemNotification: () => Promise<boolean>;
     getConversations: () => ConversationModelCollectionType;
@@ -175,8 +175,8 @@ declare global {
     showCallingPermissionsPopup: (forCamera: boolean) => Promise<void>;
     i18n: LocalizerType;
     isActive: () => boolean;
-    isAfterVersion: (version: WhatIsThis, anotherVersion: string) => boolean;
-    isBeforeVersion: (version: WhatIsThis, anotherVersion: string) => boolean;
+    isAfterVersion: (version: string, anotherVersion: string) => boolean;
+    isBeforeVersion: (version: string, anotherVersion: string) => boolean;
     isFullScreen: () => boolean;
     isValidGuid: (maybeGuid: string | null) => boolean;
     isValidE164: (maybeE164: unknown) => boolean;
@@ -328,10 +328,7 @@ declare global {
           stickerId: number
         ) => Promise<typeof window.Signal.Types.Sticker>;
         deletePackReference: (id: string, packId: string) => Promise<void>;
-        downloadEphemeralPack: (
-          packId: string,
-          key: WhatIsThis
-        ) => Promise<void>;
+        downloadEphemeralPack: (packId: string, key: string) => Promise<void>;
         downloadQueuedPacks: () => void;
         downloadStickerPack: (
           id: string,