fix: improve the uploading speed by reducing the API call.

README.md

@@ -34,6 +34,19 @@ export default defineConfig({
 })
 ```
 
+### Vite Dependency Optimization
+
+If you have issues like '' in using this tool. Remember to change your Astro configuration for add the code shown below.
+
+```ts
+export default defineConfig({
+  vite: {
+    // Add this for avoiding the needless import optimize in Vite.
+    optimizeDeps: { exclude: ['opendal'] },
+  },
+});
+```
+
 ## Options
 
 ```ts

src/index.ts

@@ -96,17 +96,23 @@ class Uploader {
   }
 
   async isExist(key: string, size: number): Promise<boolean> {
-    const exist = await this.operator.isExist(key);
-    if (exist) {
-      const { contentLength } = await this.operator.stat(key);
+    try {
+      const { contentLength, isFile } = await this.operator.stat(key);
       if ((contentLength !== null && contentLength !== BigInt(size)) || this.override) {
         await this.operator.delete(key);
         return false;
       }
-      return true;
+      return isFile();
+    } catch (err) {
+      // Just ignore the error for now. If we find better solution for how to handle the opendal error.
+      if (err instanceof Error) {
+        const msg = err.toString();
+        if (msg.includes('Error: NotFound')) {
+          return false;
+        }
+      }
+      throw err;
     }
-
-    return false;
   }
 
   async write(key: string, body: Buffer) {