Function-based GET endpoint with RESTful params object

order.js

// api/orders.js
import api from './api'

// 'sanitize' function here

const getOrders = ({ offset = 0, limit = 25, query = '', ...otherParams }) =>
  api.get(`/orders?offset=${offset}&limit=${limit}&query=${query}`)
    .then(response => ({
      items: response.data.results.map(sanitize),
      count: response.data.count
    }))
    .catch(error => { throw Error(error) })

// other endpoints (getOrder, addOrder etc.)