medigo / laika-react Goto Github PK

import { useReducer, useEffect } from 'react';
import { getFeatureStatus } from './utils'

const FETCHING_STARTED = 'LAIKA/GET_FEATURE_STATUS/STARTED'
const FETCHING_SUCCEEDED = 'LAIKA/GET_FEATURE_STATUS/SUCCEEDED'
const FETCHING_FAILED = 'LAIKA/GET_FEATURE_STATUS/FAILED'

const initialState = { status: false, loading: false, fetched: false }

function reducer(state, action) {
  switch (action.type) {
    case FETCHING_STARTED:
      return { ...state, loading: true, fetched: false }
    case FETCHING_SUCCEEDED:
      return { status: action.payload.status, loading: false, fetched: true }
    case FETCHING_FAILED:
      return { status: false, loading: false, fetched: true }
    default:
      throw new Error()
  }
}

export function useLaika(uri, env, feature) {
  const [state, dispatch] = useReducer(reducer, initialState)

  useEffect(() => {
    dispatch({ type: FETCHING_STARTED })
    getFeatureStatus(feature, uri, env)
      .then((status) => {
        dispatch({ type: FETCHING_SUCCEEDED, payload: { status } })
      })
      .catch(() => {
        dispatch({ type: FETCHING_FAILED })
      })
  }, [uri, env, feature])

  return state
}