Function utcWeekNum

docs/app/js/sanddance-app.js:111267–111270

(d)

    return (0, _d3Time.utcDay).count(y - 1, d);
}
function utcWeekNum(d) {
    const y = Date.UTC(d.getUTCFullYear(), 0, 1);
    return (0, _d3Time.utcWeek).count(y - 1, d);
}
function utcFirst(y) {
    t0.setTime(Date.UTC(y, 0, 1));
    return t0.getUTCDay();