@deptno/gtag/dist/install.js

gtag, typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.install = void 0;
exports.install = function (id) {
    if (typeof window === 'undefined') {
        return;
    }
    var gtag = 'gtag';
    if (document.getElementById(gtag)) {
        return;
    }
    var script = document.createElement('script');
    script.id = gtag;
    script.src = "https://www.googletagmanager.com/gtag/js?id=" + id;
    script.type = 'text/javascript';
    script.async = true;
    document.head.appendChild(script);
    if (!window.dataLayer) {
        window.dataLayer = [];
    }
    window.gtag = function () {
        window.dataLayer.push(arguments);
    };
    window.gtag('js', new Date());
    window.gtag('config', id);
};
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