GTMEventTracking.js

/**
 * @module GTMEventTracking
 * @example
 *  <a
 *    data-module="event-tracking/GTMEventTracking"
 *    data-payload='{"event":"EventOpenGoogle"}'
 *    href="https://google.com/" target="_blank">
 *      Click me
 *  </a>
 */
class GTMEventTracking {

    /**
     * @param {HTMLElement} element
     * @param {Object} options
     */
    constructor(element, options) {
        this._element = element;
        this._options = options;
        this.load();
    }

    load() {
        const payload = JSON.parse(this._options.payload);

        this._element.addEventListener('click', () => {
            window.dataLayer = window.dataLayer || [];
            window.dataLayer.push(payload);
        });
    }

}

export default GTMEventTracking;