micromata/vanilla-ui-router

import {XMLHttpRequestFactory} from './httpRequestFactory.js';

export const loadTemplate = (templateUrl, successCallback) => {
    var xhr = new XMLHttpRequestFactory();
    xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
            successCallback(xhr.responseText);
        }
    };
    xhr.open('GET', templateUrl);
    xhr.send();
};