/**
 * @module nullToEmpty
 * @description Returns the specified value if non-null, otherwise an empty array.
 * @param {Object} input - The object to investigate
 * @returns Object - The specified value if non-null, otherwise an empty array
 * @example {{ readField('jvm', 'files') | nullToEmpty }}
 */
function nullToEmpty(input) {
    let output;
    if (input) {
        output = input;
    } else {
        output = [];
    }

        // alert(JSON.stringify(data));
      });
  }

  $result.on("click", ".more a", function(e) {
    var $moreLink = $(this),
        value = $moreLink.attr("href"),
        $info;
    if (value !== "") {
      $info = $(value + " .info");
      if ($info.length > 0) {
        $moreLink.fadeOut(500, function() {
          $info.slideDown("slow");
        });
      }
    }

 * @param {String} fieldName - The name of the field for the group to return
 * @returns String - The specified value
 * @example {{ files | byPlatform | categorize(branch.diff.files_metadata) | readField('jvm', 'name') }}
 */

function readField(objects, objectName, fieldName) {
    let group = Object.values(objects).find(s => s.name === objectName);
    if (group) {
        const result = group[fieldName];