From 9a336c1274f93c536f57dc1818249e1bb466c520 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B3=E5=BD=A5=E6=9D=B1?= <wuc656@gmail.com>
Date: Thu, 6 Mar 2025 14:42:28 +0800
Subject: [PATCH] Update InputMask.vue

fix InputMask when use unmask and in certain cases (empty string), will show wrong value
---
 packages/primevue/src/inputmask/InputMask.vue | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/primevue/src/inputmask/InputMask.vue b/packages/primevue/src/inputmask/InputMask.vue
index 385489a18..98e5d9416 100755
--- a/packages/primevue/src/inputmask/InputMask.vue
+++ b/packages/primevue/src/inputmask/InputMask.vue
@@ -454,10 +454,24 @@ export default {
 
             return unmaskedBuffer.join('');
         },
+        unmaskValue(value) {
+            let unmaskedBuffer = [];
+            let thisbuffer = value.split('');
+
+            for (let i = 0; i < thisbuffer.length; i++) {
+                let c = thisbuffer[i];
+
+                if (this.tests[i] && c !== this.getPlaceholder(i)) {
+                    unmaskedBuffer.push(c);
+                }
+            }
+
+            return unmaskedBuffer.join('');
+        },
 
         updateModelValue(value) {
             if (this.currentVal === value) return;
-            const val = this.unmask ? this.getUnmaskedValue() : value;
+            const val = this.unmask ? this.unmaskValue(value) : value;
 
             this.currentVal = value;