derindutz

import useSWR from '@zeit/swr';
import localForage from 'localforage';
import { ConfigInterface } from '@zeit/swr/dist/src/types';
import { useState, useEffect } from 'react';

export function usePersistentSWR(key: string, fn?: Function, config?: ConfigInterface) {
  let handleSuccess;
  if (config !== undefined && config.onSuccess !== undefined) {
    const { onSuccess } = config;
    handleSuccess = (data: any, key: string, config: ConfigInterface) => {

derindutz

/**
 * Prints a warning in the console if it exists.
 *
 * @param {String} message The warning message.
 * @returns {void}
 */
function warning(message) {
  /* eslint-disable no-console */
  if (typeof console !== 'undefined' && typeof console.error === 'function') {
    console.error(message);