Uncaught Error: redux-persist: cannot process cyclical state. Consider changing your state structure to have no cycles.

[Theo]

OS: Windows Pro 10

Firebase: 3.6.9

Firebase-bolt: 0.8.1

Firebase-tools: 3.3.0

So, I'm using redux-offline (which uses redux-persist) in my project, and am having an issue with action payload/firebase results being non-serialized (See attached image).

How do I serialize firebase results?

My action code is as follows:

// fetch posts
export function fetchPosts() {
  console.log("Load Posts has been fired");
  return dispatch => {
    Posts.on('value', posts => {
      dispatch({
        type: 'FETCH_POSTS',
        payload: posts.val(),
        meta: {
          offline: {
            effect: {},
            commit: { type: 'FETCH_POSTS_COMMIT', meta: { posts } },
            rollback: { type: 'FETCH_POSTS_ROLLBACK', meta: { posts } },
          }
        }
      });
    });
  };
}


// fetch comments
export function fetchComments() {
  console.log("Load Comments has been fired");
  return dispatch => {
    Comments.on('value', comments => {
      dispatch({
        type: 'FETCH_COMMENTS',
        payload: comments.val(),
        meta: {
          offline: {
            effect: {},
            commit: { type: 'FETCH_COMMENTS_COMMIT', meta: { comments } },
            rollback: { type: 'FETCH_COMMENT_ROLLBACK', meta: { comments } },
          }
        }
      });
    });
  };
}

[Jacob Wenger]

What do the contents of posts.val() and comments.val() look like? I'm pretty sure they should just be regular JavaScript objects so I'm surprised to see an error saying they have circular references. You might need to run them through JSON.stringify() when writing them and then JSON.parse() them when reading them. But if you send us the contents, it may become obvious what is going wrong.

Cheers,

Jacob

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