fix zip bug with accept (#548)

Author: gary-singh-filestack

src/lib/utils/index.ts

@@ -108,19 +108,18 @@ export const getMimetype = async(file: Uint8Array | Buffer, name?: string): Prom
   } catch(e) {
     console.warn("An exception occurred while processing the buffer:", e.message);
   }
-  const excludedMimetypes = ['text/plain', 'application/octet-stream', 'application/x-ms', 'application/x-msi', 'application/zip'];
-
-  if (type && excludedMimetypes.indexOf(type.mime) === -1) {
-    return type.mime;
-  }
-
   if (name && name.indexOf('.') > -1) {
     const mime = extensionToMime(name);
 
     if (mime) {
       return mime;
     }
   }
+  const excludedMimetypes = ['text/plain', 'application/octet-stream', 'application/x-ms', 'application/x-msi', 'application/zip'];
+
+  if (type && excludedMimetypes.indexOf(type.mime) === -1) {
+    return type.mime;
+  }
 
   try {
     if (isutf8(file)) {