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https://github.com/alinemorelli/react-gtm

React Google Tag Manager
https://github.com/alinemorelli/react-gtm

googletagmanager gtm react tagmanager

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React Google Tag Manager

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# react-gtm-module

### React Google Tag Manager Module



This is a Javascript module to [React](https://facebook.github.io/react/) based apps that implement Google Tag Manager. It is designed to use [GTM](https://developers.google.com/tag-manager/quickstart) snippet.



You can easily use custom dataLayer, multiple dataLayers and additional events.



## Installation



[npm](https://www.npmjs.com/):



```bash

npm install react-gtm-module --save

```



## Usage



Initializing GTM Module:



```js

import React from 'react'

import ReactDOM from 'react-dom'

import Router from 'react-router'

import routes from './routes'



...

import TagManager from 'react-gtm-module'



const tagManagerArgs = {

    gtmId: 'GTM-000000'

}



TagManager.initialize(tagManagerArgs)

...



const app = document.getElementById('app')

ReactDOM.render(, app)



```



## DataLayer



### Custom dataLayer example:



```js

import React from 'react'

import ReactDOM from 'react-dom'

import Router from 'react-router'

import routes from './routes'



...

import TagManager from 'react-gtm-module'



const tagManagerArgs = {

    gtmId: 'GTM-000000',

    dataLayer: {

        userId: '001',

        userProject: 'project'

    }

}



TagManager.initialize(tagManagerArgs)

...



const app = document.getElementById('app')

ReactDOM.render(, app)



```



### Multiple dataLayer example:



If you need send multiple custom dataLayer you can initialize GTM Module on different components sending different dataLayers



You can initialize it normally:



```js

import React from 'react'

import ReactDOM from 'react-dom'

import Router from 'react-router'

import routes from './routes'



...

import TagManager from 'react-gtm-module'



const tagManagerArgs = {

    gtmId: 'GTM-000000',

    dataLayerName: 'PageDataLayer'

}



TagManager.initialize(tagManagerArgs)

...



const app = document.getElementById('app')

ReactDOM.render(, app)



```



And send your data in each page you want



```js

import React from 'react'



...

import TagManager from 'react-gtm-module'



const tagManagerArgs = {

    dataLayer: {

        userId: '001',

        userProject: 'project',

        page: 'home'

    },

    dataLayerName: 'PageDataLayer'

}

...



const Home = () => {

    ...

    TagManager.dataLayer(tagManagerArgs)

    ...



    return (

        


            //your component code

        


    )

}



export default Home



```



## Events



### Example:



```js

import React from 'react'

import ReactDOM from 'react-dom'

import Router from 'react-router'

import routes from './routes'



...

import TagManager from 'react-gtm-module'



const tagManagerArgs = {

    gtmId: 'GTM-000000',

    events: {

        sendUserInfo: 'userInfo'

    }

}



TagManager.initialize(tagManagerArgs)

...



const app = document.getElementById('app')

ReactDOM.render(, app)

```



## Environments



Configure how Tag Manager will works between development and production server environments.



### Example:



```js

import React from 'react'

import ReactDOM from 'react-dom'

import Router from 'react-router'

import routes from './routes'



...

import TagManager from 'react-gtm-module'



const tagManagerArgs = {

    gtmId: 'GTM-000000',

    auth: '6sBOnZx1hqPcO01xPOytLK',

    preview: 'env-2'

}



TagManager.initialize(tagManagerArgs)



```



##### How can I find auth and preview?

Go to Google Tag Manager -> ADMIN -> Environments -> Actions -> Get Snippet.

Look for gtm_auth and gtm_preview



##### Don't know to use GTM environments? 

   - https://support.google.com/tagmanager/answer/6311518

   - https://www.simoahava.com/analytics/better-qa-with-google-tag-manager-environments/



|Value|Type|Required|Notes|

|------|-----|-----|-----|

|gtmId| `String`| Yes | GTM id, must be something like `GTM-000000`.|

|dataLayer| `Object`| No | Object that contains all of the information that you want to pass to Google Tag Manager.|

|dataLayerName| `String`| No | Custom name for dataLayer object.|

|events| `Object`| No | Additional events such as 'gtm.start': new Date().getTime(),event:'gtm.js'.|

|auth| `String` | No | used to set environments. |

|preview| `String` | No | used to set environments, something like `env-00`. |



### Note:



- Disabling javascript in the browser can prevent the correct operation of this library if React is only being rendered on the client side.



- Before implementing GTM in your application ensure that you have at least one published container, otherwise Google Tag Manager snippet will return 404.