@mrporter/inseason-analytics/lib/readDataAttributes.js

In Season Analytics Module

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = readDataAttributes;
function readDataAttributes() {
    return new Promise(function (resolve, reject) {
        if (!attempt()) {
            document.addEventListener('readystatechange', attempt);
        }

        function attempt(event) {
            if (document.body) {
                if (event) {
                    document.removeEventListener('readystatechange', attempt);
                }
                var dataset = document.body.dataset;

                resolve(dataset);
                return true;
            }
            return false;
        }
    });
}