FeathersJS: Set up and endpoint to handle "mixed auth"

users.service.js

'use strict';

const { authenticate } = require('feathers-authentication').hooks;
const { hashPassword } = require('feathers-authentication-local').hooks;
// Bring in the `iff` hook.
const { iff } = require('feathers-hooks-common');

module.exports = {
  before: {
    find: [
      // If a token was included, authenticate it with the `jwt` strategy.
      iff(
        hook => hook.params.token,
        authenticate('jwt')
      // No token was found, so limit the query to include `public: true`
      ).else( hook => Object.assign(hook.params.query, { public: true }) )
    ]
  }
};