Link previews: clean up AbortSignal types

ts/linkPreviews/linkPreviewFetch.ts

@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { RequestInit, Response } from 'node-fetch';
-import { AbortSignal } from 'abort-controller';
+import type { AbortSignal as AbortSignalForNodeFetch } from 'abort-controller';
 
 import {
   IMAGE_GIF,
@@ -448,7 +448,7 @@ export async function fetchLinkPreviewMetadata(
         Accept: 'text/html,application/xhtml+xml',
         'User-Agent': USER_AGENT,
       },
-      signal: abortSignal,
+      signal: abortSignal as AbortSignalForNodeFetch,
     });
   } catch (err) {
     window.log.warn(
@@ -545,7 +545,7 @@ export async function fetchLinkPreviewImage(
         'User-Agent': USER_AGENT,
       },
       size: MAX_IMAGE_CONTENT_LENGTH,
-      signal: abortSignal,
+      signal: abortSignal as AbortSignalForNodeFetch,
     });
   } catch (err) {
     window.log.warn('fetchLinkPreviewImage: failed to fetch image; bailing');

ts/textsecure/SendMessage.ts

@@ -10,7 +10,6 @@
 
 import { Dictionary } from 'lodash';
 import PQueue from 'p-queue';
-import { AbortSignal } from 'abort-controller';
 import {
   PlaintextContent,
   ProtocolAddress,

ts/textsecure/WebAPI.ts

@@ -10,7 +10,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import fetch, { Response } from 'node-fetch';
-import { AbortSignal } from 'abort-controller';
 import ProxyAgent from 'proxy-agent';
 import { Agent } from 'https';
 import pProps from 'p-props';

ts/views/conversation_view.ts

@@ -4088,7 +4088,7 @@ Whisper.ConversationView = Whisper.View.extend({
 
   async getStickerPackPreview(
     url: string,
-    abortSignal: any
+    abortSignal: Readonly<AbortSignal>
   ): Promise<null | GetLinkPreviewResult> {
     const isPackDownloaded = (pack: any) =>
       pack && (pack.status === 'downloaded' || pack.status === 'installed');
@@ -4164,7 +4164,7 @@ Whisper.ConversationView = Whisper.View.extend({
 
   async getGroupPreview(
     url: string,
-    abortSignal: any
+    abortSignal: Readonly<AbortSignal>
   ): Promise<null | GetLinkPreviewResult> {
     const urlObject = maybeParseUrl(url);
     if (!urlObject) {
@@ -4251,7 +4251,7 @@ Whisper.ConversationView = Whisper.View.extend({
 
   async getPreview(
     url: string,
-    abortSignal: any
+    abortSignal: Readonly<AbortSignal>
   ): Promise<null | GetLinkPreviewResult> {
     if (window.Signal.LinkPreviews.isStickerPack(url)) {
       return this.getStickerPackPreview(url, abortSignal);