client/src/components/TagManager.js
import React from 'react';
import PropTypes from 'prop-types';
import gtmParts from 'react-google-tag-manager';
class GoogleTagManager extends React.Component {
componentDidMount() {
const dataLayerName = this.props.dataLayerName || 'dataLayer';
const scriptId = this.props.scriptId || 'react-google-tag-manager-gtm';
if (!window[dataLayerName]) {
const gtmScriptNode = document.getElementById(scriptId);
eval(gtmScriptNode.textContent); // eslint-disable-line
}
}
render() {
const gtm = gtmParts({
id: this.props.gtmId,
dataLayerName: this.props.dataLayerName || 'dataLayer',
additionalEvents: this.props.additionalEvents || {},
previewVariables: this.props.previewVariables || false
});
return (
<div>
<div>{gtm.noScriptAsReact()}</div>
<div id={this.props.scriptId || 'react-google-tag-manager-gtm'}>
{gtm.scriptAsReact()}
</div>
</div>
);
}
}
GoogleTagManager.propTypes = {
gtmId: PropTypes.string.isRequired,
dataLayerName: PropTypes.string,
additionalEvents: PropTypes.object,
previewVariables: PropTypes.string,
scriptId: PropTypes.string
};
export default GoogleTagManager;