open-nomad/ui/app/components/gutter-menu.js

import Ember from 'ember';

const { Component, inject, computed } = Ember;

export default Component.extend({
  system: inject.service(),

  sortedNamespaces: computed('system.namespaces.@each.name', function() {
    const namespaces = this.get('system.namespaces').toArray() || [];

    return namespaces.sort((a, b) => {
      const aName = a.get('name');
      const bName = b.get('name');

      // Make sure the default namespace is always first in the list
      if (aName === 'default') {
        return -1;
      }
      if (bName === 'default') {
        return 1;
      }

      if (aName < bName) {
        return -1;
      }
      if (aName > bName) {
        return 1;
      }

      return 0;
    });
  }),

  onNamespaceChange() {},
});