Next.js + react-gtm-module ReferenceError: document is not defined

user_4041992 0
Viewed 1949

I use this piece to initialize GTM in my Next.js app:

const tagManagerArgs = {
  gtmId: "GTM-XXXXXX"
};
TagManager.initialize(tagManagerArgs);

But when I am trying to start an app with it I am getting the error: 

ReferenceError: document is not defined
    at Object.dataScript (/Users/username/work/projectname/node_modules/react-gtm-module/dist/TagManager.js:11:18)

How to solve this?

react-gtm-module next.js reactjs
2 Answers

Wrapping the piece of TagManager initializer with a checker helped:

if (process.browser) {
  TagManager.initialize(tagManagerArgs);
}
user_40419920

You can initialize TagManager right when the website has mounted to ensure that the DOM api is available

useEffect(()=>{
    TagManager.initialize({gtmId: 'GTM-XXXXXX'})
},[])
user_167378680
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