From 91daedd6197b3f6d16d388ea4deaa44688c850fe Mon Sep 17 00:00:00 2001
From: Daniel Gasienica <daniel@gasienica.ch>
Date: Mon, 26 Feb 2018 11:26:23 -0500
Subject: [PATCH] Add `OS` module

---
 js/modules/os.js | 10 ++++++++++
 preload.js       |  1 +
 2 files changed, 11 insertions(+)
 create mode 100644 js/modules/os.js

diff --git a/js/modules/os.js b/js/modules/os.js
new file mode 100644
index 000000000..d0266bc96
--- /dev/null
+++ b/js/modules/os.js
@@ -0,0 +1,10 @@
+/* eslint-env node */
+
+exports.isMacOS = () =>
+  process.platform === 'darwin';
+
+exports.isLinux = () =>
+  process.platform === 'linux';
+
+exports.isWindows = () =>
+  process.platform === 'win32';
diff --git a/preload.js b/preload.js
index 742082fb0..be72c1097 100644
--- a/preload.js
+++ b/preload.js
@@ -101,6 +101,7 @@
 
   // ES2015+ modules
   window.Signal = window.Signal || {};
+  window.Signal.OS = require('./js/modules/os');
   window.Signal.Types = window.Signal.Types || {};
   window.Signal.Types.Attachment = require('./js/modules/types/attachment');
   window.Signal.Types.Message = require('./js/modules/types/message');