From 69cb81db85bc74e989b7a33e11eb82ef05626d96 Mon Sep 17 00:00:00 2001
From: icarus <eurfelux@gmail.com>
Date: Fri, 22 Aug 2025 14:52:54 +0800
Subject: [PATCH] =?UTF-8?q?feat(types):=20=E6=B7=BB=E5=8A=A0=E5=9B=BE?=
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添加 ImageFileMetadata 类型和 isImageFile 类型守卫函数，用于检查文件是否为图片类型
---
 src/renderer/src/types/file.ts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/renderer/src/types/file.ts b/src/renderer/src/types/file.ts
index db998c60d6..db5c51e5b3 100644
--- a/src/renderer/src/types/file.ts
+++ b/src/renderer/src/types/file.ts
@@ -100,3 +100,16 @@ export enum FileTypes {
   DOCUMENT = 'document',
   OTHER = 'other'
 }
+
+export type ImageFileMetadata = FileMetadata & {
+  type: FileTypes.IMAGE
+}
+
+/**
+ * 类型守卫函数，用于检查一个 FileMetadata 是否为图片文件元数据
+ * @param file - 要检查的文件元数据
+ * @returns 如果文件是图片类型则返回 true
+ */
+export const isImageFile = (file: FileMetadata): file is ImageFileMetadata => {
+  return file.type === FileTypes.IMAGE
+}