Function exchangeCodeForTokens

exchangeCodeForTokens(code: string, redirectUri: string): Promise<SpotifyTokens>

Exchanges authorization code for access and refresh tokens

Parameters

code: string
Authorization code from OAuth callback
redirectUri: string
OAuth callback URI (must match authorization request)

Returns Promise<SpotifyTokens>

Promise resolving to token response

Throws

Error if token exchange fails

Source

export async function exchangeCodeForTokens(
  code: string,
  redirectUri: string,
): Promise<SpotifyTokens> {
  ensureCredentialsSet();

  const { clientId, clientSecret } = getCredentials();

  try {
    const response = await axios.post(
      TOKEN_URL,
      querystring.stringify({
        grant_type: "authorization_code",
        code,
        redirect_uri: redirectUri,
        client_id: clientId,
        client_secret: clientSecret,
      }),
      {
        headers: {
          "Content-Type": "application/x-www-form-urlencoded",
        },
      },
    );

    const { access_token, refresh_token, expires_in } = response.data;

    // Store tokens internally
    setTokens(access_token, refresh_token, expires_in);

    saveLog("Successfully exchanged code for tokens", "DEBUG");
    return response.data;
  } catch (error: unknown) {
    const err = error as Error;
    saveLog(`Failed to exchange code for tokens: ${err.message}`, "ERROR");
    throw new Error(`Failed to exchange code for tokens: ${err.message}`);
  }
}