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Global site tag (gtag.js) - Google Analytics

npm npm bundle size (minified)

ES module for the Google Analytics Global Site Tag.

Install

$ npm install --save ga-gtag

Usage

import { gtag, install } from 'ga-gtag';

// Substitute your tracking ID (begins with "G-", "UA-", "AW-" or "DC-")
install('G-##########');

install() adds the Global Site Tag script element into <head>. It only needs to be called once, but can safely be called multiple times (the script won't be re-added).

install() also has a second, optional argument that can be used to specify additional config info for the initialization (for instance to disable pageview measurement):

install('G-##########', { 'send_page_view': false });

From there, gtag() can be used as specified in Google's documentation:

gtag('event', 'login', { 'method': 'Google' });

If you need to call gtag() before the Global Site Tag script is installed (for instance, to manage consent settings in consent mode), import and call initDataLayer() first:

import { gtag, initDataLayer, install } from 'ga-gtag';

initDataLayer();
gtag('consent', 'default', {
  'ad_storage': 'denied',
  'analytics_storage': 'denied'
});
install('G-##########');