enhance(fs):优化文件夹扫描。

src-tauri/src/commands/files.rs

@@ -48,8 +48,12 @@ pub async fn scan_directory(target: String) -> Result<Vec<FileItem>, String> {
         if !entry.path().is_file() {
             continue;
         }
-        let (width, height) = image::image_dimensions(entry.path())
-            .map_err(|_e| format!("读取图片文件 {} 元信息失败。", entry.path().display()))?;
+        let image_detect_result = image::image_dimensions(entry.path());
+        if image_detect_result.is_err() {
+            println!("读取图片文件 {} 元信息失败。", entry.path().display());
+            continue;
+        }
+        let (width, height) = image_detect_result.unwrap();
         let file_hash_id = entry
             .path()
             .to_str()
@@ -60,20 +64,27 @@ pub async fn scan_directory(target: String) -> Result<Vec<FileItem>, String> {
         let filename = entry
             .path()
             .file_name()
-            .ok_or(String::from("不能获取到文件名。"))?
-            .to_owned()
-            .into_string()
-            .unwrap();
+            .ok_or(String::from("不能获取到文件名。"))
+            .map(ToOwned::to_owned)
+            .map(|s| s.into_string().unwrap());
+        if filename.is_err() {
+            println!("不能获取到文件 {} 文件名。", entry.path().display());
+            continue;
+        }
         let path = entry
             .path()
             .clone()
             .to_str()
-            .ok_or(String::from("不能获取到文件路径。"))?
-            .to_string();
+            .ok_or(String::from("不能获取到文件路径。"))
+            .map(ToString::to_string);
+        if path.is_err() {
+            println!("不能获取到文件 {} 路径。", entry.path().display());
+            continue;
+        }
         file_items.push(FileItem {
             id: file_hash_id,
-            filename,
-            path,
+            filename: filename.unwrap(),
+            path: path.unwrap(),
             height,
             width,
         });

src/components/DirTree.tsx

@@ -4,7 +4,7 @@ import { ActionIcon, Box, Flex, Stack, Text, Tooltip } from '@mantine/core';
 import { notifications } from '@mantine/notifications';
 import { IconEye, IconSquareMinus, IconSquarePlus } from '@tabler/icons-react';
 import { invoke } from '@tauri-apps/api';
-import { equals, isEmpty, isNil, length, map, not } from 'ramda';
+import { equals, isEmpty, isNil, map, not } from 'ramda';
 import { FC, PropsWithChildren, useCallback, useContext, useState } from 'react';
 import { useMeasure, useMount } from 'react-use';
 import { EventBusContext } from '../EventBus';
@@ -69,7 +69,6 @@ const Branch: FC<PropsWithChildren<{ current: DirItem; expanded: boolean }>> = (
     try {
       selectDir(current.id);
       const files = await invoke('scan_directory', { target: current.path });
-      console.log('[debug]获取到文件个数：', length(files));
       storeFiles(files);
       ebus.emit('reset_views');
     } catch (e) {
@@ -122,7 +121,6 @@ export const DirTree: FC = () => {
   const [viewRef, { width }] = useMeasure();
 
   const handleFocusAction = useCallback(() => {
-    console.log('[debug]focus action: ', focused, selected);
     if (isNil(focused) && not(isNil(selected))) {
       focus(selected);
     } else {