var fetchPosts = function()

in database/scripts/main.js [260:281]
22 lines of code
2 McCabe index (conditional complexity)

  var fetchPosts = function(postsRef, sectionElement) {
    postsRef.on('child_added', function(data) {
      var author = data.val().author || 'Anonymous';
      var containerElement = sectionElement.getElementsByClassName('posts-container')[0];
      containerElement.insertBefore(
        createPostElement(data.key, data.val().title, data.val().body, author, data.val().uid, data.val().authorPic),
        containerElement.firstChild);
    });
    postsRef.on('child_changed', function(data) {
      var containerElement = sectionElement.getElementsByClassName('posts-container')[0];
      var postElement = containerElement.getElementsByClassName('post-' + data.key)[0];
      postElement.getElementsByClassName('mdl-card__title-text')[0].innerText = data.val().title;
      postElement.getElementsByClassName('username')[0].innerText = data.val().author;
      postElement.getElementsByClassName('text')[0].innerText = data.val().body;
      postElement.getElementsByClassName('star-count')[0].innerText = data.val().starCount;
    });
    postsRef.on('child_removed', function(data) {
      var containerElement = sectionElement.getElementsByClassName('posts-container')[0];
      var post = containerElement.getElementsByClassName('post-' + data.key)[0];
      post.parentElement.removeChild(post);
    });
  };