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custom server side domain name for the Google Tag Manager #87

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custom server side domain name for the Google Tag Manager #87

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16 changes: 8 additions & 8 deletions src/Snippets.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,26 +3,26 @@ import warn from './utils/warn'
// https://developers.google.com/tag-manager/quickstart

const Snippets = {
tags: function ({ id, events, dataLayer, dataLayerName, preview, auth }) {
tags: function ({ id, src, events, dataLayer, dataLayerName, preview, auth }) {
const gtm_auth = `&gtm_auth=${auth}`
const gtm_preview = `&gtm_preview=${preview}`

const gtm_src = src
if (!id) warn('GTM Id is required')

const iframe = `
<iframe src="https://www.googletagmanager.com/ns.html?id=${id}${gtm_auth}${gtm_preview}&gtm_cookies_win=x"
<iframe src="${gtm_src}/ns.html?id=${id}${gtm_auth}${gtm_preview}&gtm_cookies_win=x"
height="0" width="0" style="display:none;visibility:hidden" id="tag-manager"></iframe>`

const script = `
(function(w,d,s,l,i){w[l]=w[l]||[];
w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js', ${JSON.stringify(events).slice(1, -1)}});
var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';
j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl+'${gtm_auth}${gtm_preview}&gtm_cookies_win=x';
j.async=true;j.src='${gtm_src}/gtm.js?id='+i+dl+'${gtm_auth}${gtm_preview}&gtm_cookies_win=x';
f.parentNode.insertBefore(j,f);
})(window,document,'script','${dataLayerName}','${id}');`

const dataLayerVar = this.dataLayer(dataLayer, dataLayerName)

return {
iframe,
script,
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3 changes: 2 additions & 1 deletion src/TagManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,10 @@ const TagManager = {
dataScript
}
},
initialize: function ({ gtmId, events = {}, dataLayer, dataLayerName = 'dataLayer', auth = '', preview = '' }) {
initialize: function ({ gtmId, gtmSrc='https://www.googletagmanager.com', events = {}, dataLayer, dataLayerName = 'dataLayer', auth = '', preview = '' }) {
const gtm = this.gtm({
id: gtmId,
src: gtmSrc,
events: events,
dataLayer: dataLayer || undefined,
dataLayerName: dataLayerName,
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