Initial move towards new ESLint config supporting TS

Co-authored-by: Sidney Keese <sidney@carbonfive.com>

js/modules/i18n.d.ts

@@ -0,0 +1,6 @@
+import { LocalizerType } from '../../ts/types/Util';
+
+export const setup: (
+  language: string,
+  messages: Record<string, unknown>
+) => LocalizerType;

js/modules/link_previews.js

@@ -239,7 +239,7 @@ function assembleChunks(chunkDescriptors) {
   return concatenateBytes(...chunks);
 }
 
-const ASCII_PATTERN = new RegExp('[\\u0000-\\u007F]', 'g');
+const ASCII_PATTERN = new RegExp('[\\u0020-\\u007F]', 'g');
 
 function isLinkSneaky(link) {
   // Any links which contain auth are considered sneaky

js/notifications.js

@@ -3,7 +3,6 @@
 
 /* global drawAttention: false */
 /* global i18n: false */
-/* global Signal: false */
 /* global storage: false */
 /* global Whisper: false */
 /* global _: false */

js/read_receipts.js

@@ -4,7 +4,6 @@
   _,
   ConversationController,
   MessageController,
-  window
 */
 
 /* eslint-disable more/no-then */