From b5065c1524652bb6d44117889749b2b517d82bec Mon Sep 17 00:00:00 2001
From: betavs <34408516+betavs@users.noreply.github.com>
Date: Fri, 17 Nov 2023 21:48:01 +0800
Subject: [PATCH] fix(input-number): unable to input a decimal point (#5339)

---
 components/lib/inputnumber/InputNumber.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/components/lib/inputnumber/InputNumber.js b/components/lib/inputnumber/InputNumber.js
index cad34e7c5c..e73cc328a7 100644
--- a/components/lib/inputnumber/InputNumber.js
+++ b/components/lib/inputnumber/InputNumber.js
@@ -853,10 +853,14 @@ export const InputNumber = React.memo(
                     selectionEnd = sRegex.lastIndex + tRegex.lastIndex;
                     inputEl.setSelectionRange(selectionEnd, selectionEnd);
                 } else if (newLength === currentLength) {
-                    if (['insert', 'delete-back-single', 'delete-range', 'spin'].includes(operation)) {
-                        inputEl.setSelectionRange(selectionEnd, selectionEnd);
+                    if (operation === 'insert' || operation === 'delete-back-single') {
+                        const newSelectionEnd = selectionEnd + Number(isDecimalSign(value) || isDecimalSign(insertedValueStr));
+
+                        inputEl.setSelectionRange(newSelectionEnd, newSelectionEnd);
                     } else if (operation === 'delete-single') {
                         inputEl.setSelectionRange(selectionEnd - 1, selectionEnd - 1);
+                    } else if (operation === 'delete-range' || operation === 'spin') {
+                        inputEl.setSelectionRange(selectionEnd, selectionEnd);
                     }
                 } else if (operation === 'delete-back-single') {
                     let prevChar = inputValue.charAt(selectionEnd - 1);