CODEWITHSUNDEEP
javascriptnode.jsreactjs
Harsh Maur
Harsh Maur

Reputation: 89

ReferenceError: localStorage is not defined in ReactJS Build

I am using localStorage a lot on my authenticated components in my react application to get user details from local storage as well as storing them on login.

When I build my app, it throws ReferenceError: localStorage is not defined.

I know this could be because node does not have access to localStorage and thus the error.

How can I solve the problem?

Here is an example of code I use in my component. 

import React, {PropTypes} from 'react';
import AccountBasicInfo from '../components/AccountBasicInfo';


export class Account extends React.Component {


    userBasicInfo(){
      const user = localStorage.getItem('User') ? JSON.parse(localStorage.getItem('User')) :{};
      const cashback = localStorage.getItem('cashback') ? JSON.parse(localStorage.getItem('cashback')) :{};
    }
    render(){
      return(
          <div>
              <AccountBasicInfo theme="theme2" item={this.userBasicInfo.bind(this)()}/>
          </div>
      );
    }
}



export default Account;

Upvotes: 6

Views: 10178

Answers (1)

TW80000
TW80000

Reputation: 1515

If you need to run the same, unmodified code on node, which does not have a native localStorage implementation, you could consider using a shim such as node-localstorage.

You could also consider rewriting your code to use an alternative means of storing information.

Upvotes: 4

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