From c982b1c531b7367ed43976a87be3818e3eeb8e79 Mon Sep 17 00:00:00 2001
From: Mikhail Shabarov <61410877+mshabarov@users.noreply.github.com>
Date: Tue, 28 Sep 2021 11:01:19 +0300
Subject: fix: Add MPR UI id request parameter (#12412)

* fix: Add MPR UI id request parameter

Related-to https://github.com/vaadin/multiplatform-runtime/issues/85

* test: Remove redundant non-empty param test

* test: Remove leftovers

* fix: Init window.mprUiId earlier than window.vaadin

* Add missing '='
---
 server/src/main/resources/VAADIN/vaadinBootstrap.js | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'server')

diff --git a/server/src/main/resources/VAADIN/vaadinBootstrap.js b/server/src/main/resources/VAADIN/vaadinBootstrap.js
index a6830f434b..82e7482216 100644
--- a/server/src/main/resources/VAADIN/vaadinBootstrap.js
+++ b/server/src/main/resources/VAADIN/vaadinBootstrap.js
@@ -365,6 +365,12 @@
                 params += '&v-wn=' + encodeURIComponent(window.name);
             }
 
+            // This parameter is used in multiplatform-runtime as a key for
+            // storing the MPR UI content in the session
+            if (window.mprUiId) {
+                params += '&v-mui=' + encodeURIComponent(window.mprUiId);
+            }
+
             // Detect touch device support
             var supportsTouch = false;
             try {
-- 
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