From d7016f285fbef4b45650043ddbcea0da68d8a64c Mon Sep 17 00:00:00 2001
From: Li Zhineng <im@zhineng.li>
Date: Thu, 12 Jun 2025 23:07:50 +0800
Subject: display unsupported browser message

---
 main.mjs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'main.mjs')

diff --git a/main.mjs b/main.mjs
index 618efa0..31d4056 100644
--- a/main.mjs
+++ b/main.mjs
@@ -216,5 +216,14 @@ function handleDeviceResponse(event) {
     console.log(`Received data from device: ${receivedBytes.join(' ')}`)
 }
 
-const button = document.getElementById('connect')
-button.addEventListener('click', connect)
+function supportBluetoothApi() {
+    return 'bluetooth' in navigator
+}
+
+if (! supportBluetoothApi()) {
+    const unsupportedMessage = document.getElementById('unsupported-message')
+    unsupportedMessage.style.display = 'block'
+
+    const main = document.querySelector('main')
+    main.style.display = 'none'
+}
-- 
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