Token to context Firebase implementation

token2context.ts

async token2context(token: string): Promise<FunctionContext> {
  const context: FunctionContext = { authenticated: false, uid: "na" };
  try {
    const verifyResult = await this.auth.verifyIdToken(token);
    context.authenticated = true;
    context.uid = verifyResult.uid;
  } catch (err) {
    console.log(err);
  }
  return context;
}