@multipart/form-data/types/disk-storage.xml

Multipart/Form-Data And File Upload Middleware For Koa Written In ES6 And Optimised With JavaScript Compiler.

<types namespace="_multipart">
  <import name="IncomingMessage" from="http" />

  <record name="FormDataDiskStorageOptions">
    <prop type="string|function(http.IncomingMessage, _multipart.FormDataFile): !Promise<string>" name="destination" opt>
      Used to determine within which folder the uploaded files should be stored. If given as a string, the location will be ensured prior at the start. Default is `tmpdir()`.
    </prop>
    <fn async return="string" name="filename" opt>
      <arg name="req" type="!http.IncomingMessage">The request.</arg>
      <arg name="file" type="!_multipart.FormDataFile">The file.</arg>
      Used to determine what the file should be named inside the folder. If no filename is given, each file will be given a random name that doesn't include any file extension.
    </fn>
  </record>
</types>