Harvest widget for Gitlab

harvest_widget_gitlab.js

// Grab JS injection chrome extension
// https://chrome.google.com/webstore/detail/custom-javascript-for-web/poakhlngfciodnhlhhgnaaelnpjljija
// For Gitlab v11

(function () {
    var itemName = document.querySelector('.breadcrumbs-sub-title').innerText + ' - ' + document.querySelector('h2.title').innerText,
        _url = document.head.querySelector("[property='og:url']").content.split('/'),
        itemId = _url.slice(3).join('/'),
        baseUrl = _url.slice(0, 3).join('/'),
        dataItem = {id: itemId, name: itemName};

    if (itemId.indexOf('issues/') < 0) return;

    // Injecting button DOM
    var injectedContent = document.createElement("div");
    injectedContent.setAttribute("class", "harvest-timer");
    injectedContent.setAttribute("data-item", JSON.stringify(dataItem));
    injectedContent.style.marginTop = '10px';
    document.getElementsByClassName('issuable-meta')[0].appendChild(injectedContent);

    // Loading Harvest JS
    window._harvestPlatformConfig = {
        "applicationName": "Gitlab",
        "permalink": baseUrl + "/%ITEM_ID%"
    };
    var s = document.createElement("script");
    s.type = "text/javascript";
    s.src = "https://platform.harvestapp.com/assets/platform.js";
    $("head").append(s);
})();