consul/ui-v2/app/sort/comparators/service.js

export default () => key => {
  if (key.startsWith('Status:')) {
    return function(serviceA, serviceB) {
      const [, dir] = key.split(':');
      let a, b;
      if (dir === 'asc') {
        b = serviceA;
        a = serviceB;
      } else {
        a = serviceA;
        b = serviceB;
      }
      switch (true) {
        case a.ChecksCritical > b.ChecksCritical:
          return 1;
        case a.ChecksCritical < b.ChecksCritical:
          return -1;
        default:
          switch (true) {
            case a.ChecksWarning > b.ChecksWarning:
              return 1;
            case a.ChecksWarning < b.ChecksWarning:
              return -1;
            default:
              switch (true) {
                case a.ChecksPassing < b.ChecksPassing:
                  return 1;
                case a.ChecksPassing > b.ChecksPassing:
                  return -1;
              }
          }
          return 0;
      }
    };
  }
  return key;
};