custom-api-handler/src/customValidations.ts

The package uses axios library to request APIs and uses local-storage for tokens (auth & refresh).

import jwt_decode from "jwt-decode";
import moment from "moment";
import { authToken, refreshToken } from "./customMsgs";

interface TokenBody {
  exp: number;
}

/**
 * Method for auth-token expiry check
 * @param expireIntervalInSec | Seconds to expire the token
 * @returns | Boolean ? true -> if Session : false
 */
export const isAccessTokenExpired = (expireIntervalInSec: number = -32) => {
  try {
    let authTokenValue: any = localStorage.getItem(authToken);
    let tokenBody: TokenBody = jwt_decode(authTokenValue);
    let currentTime = moment(Date.now());
    let expirationTime = moment.unix(tokenBody?.exp);
    let currTimeDiff = currentTime.diff(expirationTime, "second");
    if (currTimeDiff > expireIntervalInSec) {
      return true;
    }
    return false;
  } catch (error) {
    return true;
  }
};

/**
 * Method for refresh-token expiry check
 * @param expireIntervalInSec | Seconds to expire the token
 * @returns | Boolean ? true -> if Session : false
 */
export const isRefreshTokenExpired = (expireIntervalInSec: number = -32) => {
  try {
    let refreshTokenValue: any = localStorage.getItem(refreshToken);
    let tokenBody: TokenBody = jwt_decode(refreshTokenValue);
    let currentTime = moment(Date.now());
    let expirationTime = moment.unix(tokenBody?.exp);
    let currTimeDiff = currentTime.diff(expirationTime, "second");
    if (currTimeDiff > -expireIntervalInSec) {
      return true;
    }
    return false;
  } catch (error) {
    return true;
  }
};