http-utils-helpers.js

/*
 * Returns default headers list
 * which will be used with every request.
 */
function getHeaders(multipart = false) {
  let defaultHeaders = BASE_HEADERS

  if (multipart) {
    defaultHeaders = {}
  }

  if (localStorage.token) {
    defaultHeaders = {
      'Authorization': `JWT ${localStorage.token}`,
      ...defaultHeaders
    }
  }

  return defaultHeaders
}

/*
 * Wraps error responses from the API
 * and returns `Promise.reject` with error
 */
export function checkResponse(response) {
  if (validStatuses.includes(response.status)) {
    return response
  }

  // If not authorized then reset token
  // and redirect to login page
  if (response.status === 401) {
    localStorage.removeItem('token')
    router.push('login')

    return Promise.reject(new Error('USER_ANONYMOUS'))
  }

  let err = new Error(response.statusText)
  err.response = response

  return Promise.reject(err)
}

// Just a convenient shorthand
export const esc = encodeURIComponent

// Returns formatted query string from object
export function qs(params) {
  return (
    Object
    .keys(params)
    .map(k => esc(k) + '=' + esc(params[k]))
    .join('&')
  )
}