From 01b20dd1be228b44a70167bd5e96817169a4b03c Mon Sep 17 00:00:00 2001
From: jahnli <jahnli@163.com>
Date: Tue, 9 Jul 2024 00:01:20 +0800
Subject: [PATCH] fix(input-number): exception when the value is a string with
 precision set (#6094)

* fix(n-input-number): exception when the value is a string in precision mode

* Apply suggestions from code review

* Update src/input-number/src/utils.ts

---------

Co-authored-by: 07akioni <07akioni2@gmail.com>
---
 CHANGELOG.en-US.md            | 6 +++++-
 CHANGELOG.zh-CN.md            | 7 ++++++-
 src/input-number/src/utils.ts | 2 +-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.en-US.md b/CHANGELOG.en-US.md
index ea2471b36..4b52df217 100644
--- a/CHANGELOG.en-US.md
+++ b/CHANGELOG.en-US.md
@@ -2,7 +2,11 @@
 
 ## NEXT_VERSION
 
-`NEXT_VERSION`
+`xxxx-xx-xx`
+
+### Fixes
+
+- Fix `n-input-number` Exception when the value is a string in precision mode, closes [#6091](https://github.com/tusen-ai/naive-ui/issues/6091).
 
 ### Features
 
diff --git a/CHANGELOG.zh-CN.md b/CHANGELOG.zh-CN.md
index 596ddf867..85845a1e4 100644
--- a/CHANGELOG.zh-CN.md
+++ b/CHANGELOG.zh-CN.md
@@ -2,12 +2,17 @@
 
 ## NEXT_VERSION
 
-`NEXT_VERSION`
+`xxxx-xx-xx`
+
+### Fixes
+
+- 修复 `n-input-number` precision 模式下 value 为字符串时的异常问题，关闭 [#6091](https://github.com/tusen-ai/naive-ui/issues/6091)
 
 ### Features
 
 - `n-input-number` 新增 `round` 属性，关闭 [#6097](https://github.com/tusen-ai/naive-ui/issues/6097)
 
+
 ## 2.38.2
 
 `2024-05-03`
diff --git a/src/input-number/src/utils.ts b/src/input-number/src/utils.ts
index 308cb7461..0127aaae7 100644
--- a/src/input-number/src/utils.ts
+++ b/src/input-number/src/utils.ts
@@ -34,7 +34,7 @@ export function format (
   value: number | undefined | null,
   precision: number | undefined
 ): string {
-  if (value === undefined || value === null) return ''
+  if (typeof value !== 'number') return ''
   return precision === undefined ? String(value) : value.toFixed(precision)
 }