diff --git a/src/plugins/navigation/index.js b/src/plugins/navigation/index.js
index 228f3f287..dcd22ac7d 100644
--- a/src/plugins/navigation/index.js
+++ b/src/plugins/navigation/index.js
@@ -25,7 +25,7 @@ import {
   bookmarksToAutoCompleteProvider,
   DefaultProvider,
 } from './util/autoCompleteProvider.tsx';
-import {getAppMatchPatterns} from './util/appMatchPatterns';
+import {getAppMatchPatterns} from './util/appMatchPatterns.tsx';
 import {getRequiredParameters, filterOptionalParameters} from './util/uri.tsx';
 
 import type {
diff --git a/src/plugins/navigation/util/appMatchPatterns.js b/src/plugins/navigation/util/appMatchPatterns.tsx
similarity index 82%
rename from src/plugins/navigation/util/appMatchPatterns.js
rename to src/plugins/navigation/util/appMatchPatterns.tsx
index 552262a93..81f4f0f08 100644
--- a/src/plugins/navigation/util/appMatchPatterns.js
+++ b/src/plugins/navigation/util/appMatchPatterns.tsx
@@ -3,15 +3,14 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  * @format
- * @flow strict-local
  */
 
 import fs from 'fs';
 import path from 'path';
 
-import type {AppMatchPattern} from '../flow-types';
+import {AppMatchPattern} from '../types';
 
-const extractAppNameFromSelectedApp = (selectedApp: ?string) => {
+const extractAppNameFromSelectedApp = (selectedApp: string | null) => {
   if (selectedApp == null) {
     return null;
   } else {
@@ -19,7 +18,7 @@ const extractAppNameFromSelectedApp = (selectedApp: ?string) => {
   }
 };
 
-export const getAppMatchPatterns = (selectedApp: ?string) => {
+export const getAppMatchPatterns = (selectedApp: string | null) => {
   return new Promise<Array<AppMatchPattern>>((resolve, reject) => {
     const appName = extractAppNameFromSelectedApp(selectedApp);
     if (appName === 'Facebook') {