Ghost/ghost/admin/app/controllers/team/index.js

import Ember from 'ember';

const {Controller, computed, inject} = Ember;
const {alias, filter} = computed;

export default Controller.extend({

    session: inject.service(),

    users: alias('model'),

    activeUsers: filter('users', function (user) {
        return /^active|warn-[1-4]|locked$/.test(user.get('status'));
    }),

    invitedUsers: filter('users', function (user) {
        let status = user.get('status');

        return status === 'invited' || status === 'invited-pending';
    })
});