From 5dbcd714eae8bfd6e900adde6910789e5cce6613 Mon Sep 17 00:00:00 2001
From: mmbyday <mmbyday@protonmail.com>
Date: Thu, 13 Dec 2018 18:49:55 -0800
Subject: PasswordDialog: add CAPSLOCK checking

---
 js/Utils.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'js')

diff --git a/js/Utils.js b/js/Utils.js
index 4f522a35..f02303c5 100644
--- a/js/Utils.js
+++ b/js/Utils.js
@@ -107,3 +107,22 @@ function filterNodes(nodes, port) {
 function epoch(){
     return Math.floor((new Date).getTime()/1000);
 }
+
+function isAlpha(letter){ return letter.match(/^[A-Za-z0-9]+$/) !== null; }
+
+function isLowerCaseChar(letter){ return letter === letter.toLowerCase(); }
+
+function isUpperLock(shift, letter){
+    if(!isAlpha((letter))) return false;
+    if(shift) {
+        if(isLowerCaseChar(letter))
+            return true;
+        else
+            return false;
+    } else {
+        if(isLowerCaseChar(letter))
+            return false;
+        else
+            return true;
+    }
+}
-- 
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