Upload files with Expo and Hono

UploadAsync is a function to upload files typesafe in Expo using FileSystem.uploadAsync. It infers the fieldName and response from the Hono RPC client.

      import type { AppType } from "./server";
import { uploadAsync } from "./upload-async";

const api = hc<AppType>("YOUR_SERVER_URL");

async function submitFile(file: File) {
  const json = await uploadAsync(api.upload, "", {
    fieldName: "file
image
",
  });

  //typesafe
  json.susuccess
;
}