Ad

TypeError: Cannot Read Property 'string' Of Undefined When Adding Google-tag-manager To Reactjs Site

My site is build on react-static,a framework based on reactjs.

I follow the google guide for adding the react-google-tag-manager to the project.

When i refresh page i get the following error on the browser, for GoogleTagManager module:

TypeError: Cannot read property 'string' of undefined

at

GoogleTagManager.propTypes = {
     gtmId: React.PropTypes.string.isRequired,

It seams React as no long the Proptypes property.

Enverioment:

  • "react": "16.8.4",
  • "react-google-tag-manager": "2.2.1",
Ad

Answer

prop-types is its own package these days. It got moved to a separate package in v15.5.

import PropTypes from 'prop-types';

class GoogleTagManager extends React.Component {
  static propTypes = {
    gtmId: PropTypes.string.isRequired,
    // ...
  };

  // ...
}
Ad
source: stackoverflow.com
Ad