NikaBuligini

// objectKey, encrypted

const decryptKey = await crypto.subtle.importKey(
  "jwk",
  {
    k: objectKey,
    alg: "A128GCM",
    ext: true,
    key_ops: ["decrypt"],
    kty: "oct",

NikaBuligini

import React from 'react';

export function useInterval(callback, delay) {
  const savedCallback = React.useRef();

  React.useEffect(() => {
    savedCallback.current = callback;
  }, [callback]);

  React.useEffect(() => {

NikaBuligini

import React from 'react';

export function useEventListener(eventName, handler, element = document) {
  const savedCallback = React.useRef();

  React.useEffect(() => {
    savedCallback.current = handler;
  }, [handler]);

  React.useEffect(() => {

NikaBuligini

import React from 'react';

import useEventListener from './useEventListener';

function getVisibilityPropertyNames() {
  // Opera 12.10 and Firefox 18 and later support
  if (typeof document.hidden !== 'undefined') {
    return ['hidden', 'visibilitychange'];
  }

NikaBuligini

export const setCookie = (key, value, exdays) => {
  const d = new Date();
  d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
  const expires = `expires=${d.toUTCString()}`;
  document.cookie = `${key}=${value};${expires};secure;path=/`;
};

export const getCookie = key => {
  const name = `${key}=`;
  const decodedCookie = decodeURIComponent(document.cookie);

NikaBuligini

import warning from 'warning';

/*
 * This is a dummy function to check if the function name has been altered by minification.
 * If the function has been minified and NODE_ENV !== 'production', warn the user.
 */
function isCrushed() {}

if (
  process.env.NODE_ENV !== 'production' &&

NikaBuligini

// returns object which is persisted in local storage
const getState = () => {
  try {
    const serializedState = localStorage.getItem('state');
    if (serializedState === null) {
      return undefined;
    }
    return JSON.parse(serializedState);
  } catch (err) {
    return undefined;