feat(): allow passing funciton for LoginOptions.auth_nonce

resolves #56

src/facebook-login.tsx

@@ -46,6 +46,10 @@ export default function FacebookLogin(props: FacebookLoginProps) {
  auth_type: '',
  return_scopes: false,
  ...props.loginOptions,
+ auth_nonce:
+ typeof props.loginOptions?.auth_nonce === 'function'
+ ? props.loginOptions.auth_nonce()
+ : props.loginOptions?.auth_nonce,
  scope,
  };
 

src/types/params.type.ts

@@ -64,7 +64,7 @@ export type LoginOptions = {
  return_scopes?: boolean;
 
  /** The auth_nonce parameter is intended to be a completely arbitrary alphanumeric code that your app generates. The process of generation and format of this code is entirely up to you. For example, a hashed version of a timestamp and a secret string may be sufficient, as long as it's completely unique to each Login attempt. This value enables your app to determine whether a user has been re-authenticated. */
- auth_nonce?: string;
+ auth_nonce?: string | (() => string);
 };
 
 export type FacebookLoginProps = Pick<InitParams, 'appId'> & {