delete_comments_on_page.js

var uid = require('CurrentUserInitialData').USER_ID;

var graphql = (data) => {
  return new Promise(resolve => {
    new AsyncRequest('/api/graphql').setData(data).setErrorHandler(res => resolve(JSON.parse(res.payload.response))).send()
  });
}

var getComments = (cursor) => {
  return graphql({ variables: JSON.stringify({cursor, "count": 100,"category_key":"COMMENTSCLUSTER","entry_point":null,"timeline_visibility":null,"privacy":null,"year":null,"month":null,"scale":2.75}), doc_id: 2761528123917382 }).then(res => res.data.viewer.activity_log_actor.activity_log_stories);
}

var deleteComment = (id) => {
  data = {
    variables: JSON.stringify({"input":{"client_mutation_id":"1","story_id": id,"actor_id": uid,"story_location":"ACTIVITY_LOG","action":"REMOVE_COMMENT","category_key":"COMMENTSCLUSTER"}}),
    doc_id: '1694179450603018'
  }

  return graphql(data);
}

(async() => {
  let has_next = true;
  let cursor = '';
  
  do {
    let comments = await getComments(cursor);

    let valid = comments.edges.filter(comment => comment.node.attached_story && comment.node.attached_story.actors[0].__typename == 'Page');

    console.log(valid.length);
    
    for (item of valid) {
      deleteComment(item.node.id).catch(err => {});
    }

    has_next = comments.page_info.has_next_page;
    cursor = comments.page_info.end_cursor;
  } while (has_next);
})();