njj

export function login(loginHandle, password) {
  return {
    types: [LOGIN_REQUEST, LOGIN_SUCCESS, LOGIN_FAILURE],
    promise: (api) => api.post('/auth/login', { login: loginHandle, password }).then(response => {
      setAuthCookie(response.token); // side effect pre success dispatch
      return response;
    }),
    then: (response) => {
      postLoginRedirect(browserHistory.push, response.user, response.organisation); // side effect post success dispatch
    },

njj

Rules

• no side effects (function can't rely on anything not provided to it)
• inputs and outputs

In Practice

• Nested functions are always an indication of complexity

Creates Functions that are

• Easy to read
• Easy to reuse