Total lines sum calculator for bitbucket pull request

gistfile1.txt

(function() {
    var sumLines = (arr) => arr.reduce((prev,curr) => { return prev + Number.parseInt(curr.innerText)}, 0);
    return {
        'Pull request': $.find(".pull-request-title a")[0].text,
        'Added': sumLines($.find(".lines-added")),
        'Removed': sumLines($.find(".lines-removed"))
    };
 })();