1.2.2 • Published 4 months ago

react-jwt v1.2.2

Weekly downloads
1,620
License
MIT
Repository
github
Last release
4 months ago

react-jwt

Small library for decoding json web tokens (JWT)

NPM

Install

npm install react-jwt
or
yarn add react-jwt

Usage

import React from "react";
import { useJwt } from "react-jwt";
const token = "Your JWT";

const Example = () => {
  const { decodedToken, isExpired } = useJwt(token);
  /*
    If is a valid jwt, 'decodedToken' will be a object
    it could look like:
    {
      "name": "Gustavo",
      "iat": 1596408259,
      "exp": 4752168259
    }

    'isExpired' will return a boolean
    true => your token is expired
    false => your token is not expired
  */

  return (
    <div>
      ...
    </div>
  );
};

You can also use the methods isExpired(token) and decodeToken(token)

import React from "react";
import { isExpired, decodeToken } from "react-jwt";
const token = "Your JWT";

const Example = () => {
  const myDecodedToken = decodeToken(token);
  const isMyTokenExpired = isExpired(token);

  return (
    <div>
      ...
    </div>
  );
};

Refresh state

If you use the reEvaluateToken(newToken) method, useJwt's state will be updated

import React from "react";
import { useJwt } from "react-jwt";
const token = "Your JWT";

const Example = () => {
  const { decodedToken, isExpired, reEvaluateToken } = useJwt(token);

  const updateToken = () => {
    const newToken = "A new JWT";
    reEvaluateToken(newToken); // decodedToken and isExpired will be updated
  }

  return (
    <div>
      ...
    </div>
  );
};

License

MIT © @gustavo0197

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