[Bug]: Cannot use @octokit/auth-oauth-user in BFF mode.

[veaba]

Version

modern.js `2.62.1`

Details

In BFF mode, where the api directory is at the root level, using @octokit/auth-oauth-user gets a TypeError error.

TypeError: Unknown file extension ".ts" for F:\Github\xx\xx\api\lambda\redirect\auth.ts
    at Object.getFileProtocolModuleFormat [as file:] (node:internal/modules/esm/get_format:160:9)
    at defaultGetFormat (node:internal/modules/esm/get_format:203:36)
    at defaultLoad (node:internal/modules/esm/load:143:22)
    at async ModuleLoader.load (node:internal/modules/esm/loader:553:7)
    at async ModuleLoader.moduleProvider (node:internal/modules/esm/loader:434:45)
    at async link (node:internal/modules/esm/module_job:87:21) {
  code: 'ERR_UNKNOWN_FILE_EXTENSION'
}
error   TypeError: Cannot destructure property 'module' of 'moduleInfo' as it is null.

Reproduce link

https://github.com/veaba/error-projects-list

Reproduce Steps

cd modern-bff-module-error
pnpm install
pnpm run dev

[yimingjfe]

Since this package is a pure esm package and we recommend using dual package as much as possible. Modern.js server runs in commonjs format by default and has basic support for esm projects, so if you want to use this package directly, you'll need to transform the project to esm：

1. Specify the type field as module in the package.json of the project:

{
  "name": "modern-app",
  "type": "module"
}

2. Modify tsconfig.json

{
  "module": "esnext",
  "moduleResolution": "Bundler"
}

3. Add the suffix .js
   If the code in the server, api, shared directories in the project is imported by a relative path, the .js suffix needs to be added after the file name, for example:

import type { Vars } from '../shared/index.js';

const setPayload: UnstableMiddleware<Vars> = async (
  c: UnstableMiddlewareContext<Vars>,
  next,
) => {
  c.set('message', 'message');
  await next();
};

export const unstableMiddleware: UnstableMiddleware<Vars>[] = [setPayload];

Note that you can't use tsconfig paths in the server, api, shared directories, which are not currently supported with esm.