From a7fdcb921a725b2c624562bed7cfd90d972a0b71 Mon Sep 17 00:00:00 2001
From: Mark VanLandingham <mark.vanlandingham@discourse.org>
Date: Tue, 7 Dec 2021 15:35:06 -0600
Subject: [PATCH] DEV: Sniff isPwa for capabilities (#15218)

---
 .../discourse/app/pre-initializers/sniff-capabilities.js      | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js b/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
index acc9e14fa5c..b08994ccc0f 100644
--- a/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
+++ b/app/assets/javascripts/discourse/app/pre-initializers/sniff-capabilities.js
@@ -41,6 +41,10 @@ export default {
     caps.hasContactPicker =
       "contacts" in navigator && "ContactsManager" in window;
     caps.canVibrate = "vibrate" in navigator;
+    caps.isPwa =
+      window.matchMedia("(display-mode: standalone)").matches ||
+      window.navigator.standalone ||
+      document.referrer.includes("android-app://");
 
     // Inject it
     app.register("capabilities:main", caps, { instantiate: false });