const jsesc = require("jsesc"); /** * Returns a string that represents the javascript that is required to insert the Google Analytics scripts * into a webpage. * @param tagId Google UA/G/AW/DC Property ID to use with the Google Analytics script. * @returns {string} */ function getGoogleAnalyticsScript(tagId) { let escapedTagId = jsesc(tagId, { isScriptContext: true }); if (escapedTagId) { escapedTagId = escapedTagId.trim(); } return ` <script async src="https://www.googletagmanager.com/gtag/js?id=${escapedTagId}"></script> <script>window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date());gtag('config', '${escapedTagId}'); </script> `; } module.exports = { getGoogleAnalyticsScript, };