use const, make platfomutil consistent across tsunami

Author: sawka

frontend/util/platformutil.ts

@@ -1,3 +1,6 @@
+// Copyright 2025, Command Line Inc.
+// SPDX-License-Identifier: Apache-2.0
+
 export const PlatformMacOS = "darwin";
 export const PlatformWindows = "win32";
 export let PLATFORM: NodeJS.Platform = PlatformMacOS;
@@ -20,7 +23,7 @@ export function makeNativeLabel(isDirectory: boolean) {
         managerName = "Default Application";
     } else if (PLATFORM === PlatformMacOS) {
         managerName = "Finder";
-    } else if (PLATFORM == "win32") {
+    } else if (PLATFORM == PlatformWindows) {
         managerName = "Explorer";
     } else {
         managerName = "File Manager";

tsunami/frontend/src/util/platformutil.ts

@@ -2,29 +2,17 @@
 // SPDX-License-Identifier: Apache-2.0
 
 export const PlatformMacOS = "darwin";
+export const PlatformWindows = "win32";
 export let PLATFORM: NodeJS.Platform = PlatformMacOS;
 
 export function setPlatform(platform: NodeJS.Platform) {
     PLATFORM = platform;
 }
 
-export function makeNativeLabel(isDirectory: boolean) {
-    let managerName: string;
-    if (!isDirectory) {
-        managerName = "Default Application";
-    } else if (PLATFORM === PlatformMacOS) {
-        managerName = "Finder";
-    } else if (PLATFORM == "win32") {
-        managerName = "Explorer";
-    } else {
-        managerName = "File Manager";
-    }
+export function isMacOS(): boolean {
+    return PLATFORM == PlatformMacOS;
+}
 
-    let fileAction: string;
-    if (isDirectory) {
-        fileAction = "Reveal";
-    } else {
-        fileAction = "Open File";
-    }
-    return `${fileAction} in ${managerName}`;
+export function isWindows(): boolean {
+    return PLATFORM == PlatformWindows;
 }