Function refreshUserToken

refreshUserToken(
    clientId: string,
    clientSecret: string,
    redirectUri: string,
    refreshToken: string,
): Promise<SoundCloudToken>
Refresh an expired access token using a refresh token (refresh_token grant).

This is a standalone function alternative to SoundCloudClient.Auth.refreshUserToken.
Parameters
- clientId: string
  Your SoundCloud application's OAuth client ID
- clientSecret: string
  Your SoundCloud application's OAuth client secret
- redirectUri: string
  The redirect URI registered with your SoundCloud application
- refreshToken: string
  The refresh token from a previous token response
Returns Promise<SoundCloudToken>
A new OAuth token response with fresh access and refresh tokens
Throws
When the refresh token is invalid or expired
Example
```
import { refreshUserToken } from 'soundcloud-api-ts';

const newToken = await refreshUserToken(
  'YOUR_CLIENT_ID',
  'YOUR_CLIENT_SECRET',
  'https://example.com/callback',
  oldRefreshToken,
);
console.log(newToken.access_token);
```
See
https://developers.soundcloud.com/docs/api/explorer/open-api#/oauth2/post_oauth2_token
- Defined in src/auth/refreshUserToken.ts:31