Prefer import type when importing types

app/SystemTrayService.ts

@@ -2,14 +2,8 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { join } from 'path';
-import {
-  BrowserWindow,
-  Menu,
-  NativeImage,
-  Tray,
-  app,
-  nativeImage,
-} from 'electron';
+import type { BrowserWindow, NativeImage } from 'electron';
+import { Menu, Tray, app, nativeImage } from 'electron';
 import * as log from '../ts/logging/log';
 import type { LocaleMessagesType } from '../ts/types/I18N';
 

app/global_errors.ts

@@ -5,7 +5,7 @@ import { app, dialog, clipboard } from 'electron';
 
 import * as Errors from '../ts/types/errors';
 import { redactAll } from '../ts/util/privacy';
-import { LocaleMessagesType } from '../ts/types/I18N';
+import type { LocaleMessagesType } from '../ts/types/I18N';
 import { reallyJsonStringify } from '../ts/util/reallyJsonStringify';
 
 // We use hard-coded strings until we're able to update these strings from the locale.

app/locale.ts

@@ -6,9 +6,9 @@ import { readFileSync } from 'fs';
 import { merge } from 'lodash';
 import { setupI18n } from '../ts/util/setupI18n';
 
-import { LoggerType } from '../ts/types/Logging';
-import { LocaleMessagesType } from '../ts/types/I18N';
-import { LocalizerType } from '../ts/types/Util';
+import type { LoggerType } from '../ts/types/Logging';
+import type { LocaleMessagesType } from '../ts/types/I18N';
+import type { LocalizerType } from '../ts/types/Util';
 
 function normalizeLocaleName(locale: string): string {
   if (/^en-/.test(locale)) {

app/main.ts

@@ -34,7 +34,8 @@ import { consoleLogger } from '../ts/util/consoleLogger';
 
 import './startup_config';
 
-import config, { ConfigType } from './config';
+import type { ConfigType } from './config';
+import config from './config';
 import {
   Environment,
   getEnvironment,
@@ -63,7 +64,8 @@ import * as logging from '../ts/logging/main_process_logging';
 import { MainSQL } from '../ts/sql/main';
 import * as sqlChannels from './sql_channel';
 import * as windowState from './window_state';
-import { createTemplate, MenuOptionsType } from './menu';
+import type { MenuOptionsType } from './menu';
+import { createTemplate } from './menu';
 import { installFileHandler, installWebHandler } from './protocol_filter';
 import * as OS from '../ts/OS';
 import { isProduction } from '../ts/util/version';
@@ -87,7 +89,8 @@ import { SettingsChannel } from '../ts/main/settingsChannel';
 import { maybeParseUrl, setUrlSearchParams } from '../ts/util/url';
 import { getHeicConverter } from '../ts/workers/heicConverterMain';
 
-import { load as loadLocale, LocaleType } from './locale';
+import type { LocaleType } from './locale';
+import { load as loadLocale } from './locale';
 
 import type { LoggerType } from '../ts/types/Logging';
 

app/menu.ts

@@ -2,9 +2,9 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { isString } from 'lodash';
-import { MenuItemConstructorOptions } from 'electron';
+import type { MenuItemConstructorOptions } from 'electron';
 
-import { LocaleMessagesType } from '../ts/types/I18N';
+import type { LocaleMessagesType } from '../ts/types/I18N';
 
 export type MenuListType = Array<MenuItemConstructorOptions>;
 

app/permissions.ts

@@ -4,7 +4,7 @@
 // The list of permissions is here:
 //   https://electronjs.org/docs/api/session#sessetpermissionrequesthandlerhandler
 
-import { session as ElectronSession } from 'electron';
+import type { session as ElectronSession } from 'electron';
 
 import type { ConfigType } from './base_config';
 

app/protocol_filter.ts

@@ -1,7 +1,7 @@
 // Copyright 2018-2020 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import {
+import type {
   protocol as ElectronProtocol,
   ProtocolRequest,
   ProtocolResponse,

app/spell_check.ts

@@ -3,15 +3,16 @@
 
 /* eslint-disable strict */
 
-import { BrowserWindow, Menu, clipboard, nativeImage } from 'electron';
+import type { BrowserWindow } from 'electron';
+import { Menu, clipboard, nativeImage } from 'electron';
 import { sync as osLocaleSync } from 'os-locale';
 import { uniq } from 'lodash';
 import { fileURLToPath } from 'url';
 
 import { maybeParseUrl } from '../ts/util/url';
-import { LocaleMessagesType } from '../ts/types/I18N';
+import type { LocaleMessagesType } from '../ts/types/I18N';
 
-import { MenuListType } from './menu';
+import type { MenuListType } from './menu';
 
 export function getLanguages(
   userLocale: string,