override platform in code and simulate different environment

[MINOR] REFACTOR rename `FRANZ_PLATFORM` to `OS_PLATFORM`
[MINOR] FIX propTypes for `electron-react-titlebar`

1 files changed, 8 insertions, 3 deletions

diff --git a/src/environment.js b/src/environment.js
index e185120c0..4dca0807d 100644
--- a/src/environment.js
+++ b/src/environment.js
@@ -4,9 +4,14 @@ export const isDevMode = Boolean(process.execPath.match(/[\\/]electron/));
 export const useLiveAPI = process.env.LIVE_API;
 export const useLocalAPI = process.env.LOCAL_API;
 
-export const isMac = process.platform === 'darwin';
-export const isWindows = process.platform === 'win32';
-export const isLinux = process.platform === 'linux';
+let platform = process.platform;
+if (process.env.OS_PLATFORM) {
+  platform = process.env.OS_PLATFORM;
+}
+
+export const isMac = platform === 'darwin';
+export const isWindows = platform === 'win32';
+export const isLinux = platform === 'linux';
 
 export const ctrlKey = isMac ? '⌘' : 'Ctrl';