@web3auth/no-modal/dist/lib.cjs/base/connector/utils.js

Multi chain wallet aggregator for web3Auth

'use strict';

var jwtDecode = require('jwt-decode');

function storageAvailable(type) {
  let storageExists = false;
  let storageLength = 0;
  let storage;
  try {
    storage = window[type];
    storageExists = true;
    storageLength = storage.length;
    const x = "__storage_test__";
    storage.setItem(x, x);
    storage.removeItem(x);
    return true;
  } catch (err) {
    const error = err;
    return !!(error && (
    // everything except Firefox
    error.code === 22 ||
    // Firefox
    error.code === 1014 ||
    // test name field too, because code might not be present
    // everything except Firefox
    error.name === "QuotaExceededError" ||
    // Firefox
    error.name === "NS_ERROR_DOM_QUOTA_REACHED") &&
    // acknowledge QuotaExceededError only if there's something already stored
    storageExists && storageLength !== 0);
  }
}
const checkIfTokenIsExpired = token => {
  const decoded = jwtDecode.jwtDecode(token);
  if (!decoded.exp) {
    return true;
  }
  if (decoded.exp < Math.floor(Date.now() / 1000)) {
    return true;
  }
  return false;
};
const getSavedToken = (userAddress, issuer) => {
  if (storageAvailable("localStorage")) {
    return localStorage.getItem(`${userAddress.toLowerCase()}_${issuer}`);
  }
  return null;
};
const saveToken = (userAddress, issuer, token) => {
  if (storageAvailable("localStorage")) {
    return localStorage.setItem(`${userAddress.toLowerCase()}_${issuer}`, token);
  }
  return null;
};
const clearToken = (userAddress, issuer) => {
  if (storageAvailable("localStorage")) {
    return localStorage.removeItem(`${userAddress.toLowerCase()}_${issuer}`);
  }
  return null;
};

exports.checkIfTokenIsExpired = checkIfTokenIsExpired;
exports.clearToken = clearToken;
exports.getSavedToken = getSavedToken;
exports.saveToken = saveToken;
exports.storageAvailable = storageAvailable;