How to use the d3-time.timeWeek function in d3-time

export function autoTimeFormat(date: Date) {
  const formatMillisecond = timeFormat('.%L'),
    formatSecond = timeFormat(':%S'),
    formatMinute = timeFormat('%I:%M'),
    formatHour = timeFormat('%I %p'),
    formatDay = timeFormat('%a %d'),
    formatWeek = timeFormat('%b %d'),
    formatMonth = timeFormat('%B'),
    formatYear = timeFormat('%Y');

  return (timeSecond(date) < date ? formatMillisecond
    : timeMinute(date) < date ? formatSecond
      : timeHour(date) < date ? formatMinute
        : timeDay(date) < date ? formatHour
          : timeMonth(date) < date ? (timeWeek(date) < date ? formatDay : formatWeek)
            : timeYear(date) < date ? formatMonth
              : formatYear)(date);
}

const customTickFormat = (date, index, allDates) => {
  let format;
  if (d3timeDay(date) < date) {
    format = '%I %p';
  } else if (d3timeMonth(date) < date) {
    format = d3timeWeek(date) < date ? '%a %d' : '%b %d';
  } else if (d3timeYear(date) < date) {
    if (index === 0) {
      format = '%b %Y';
    } else {
      format = (allDates.length >= 15 || window.innerWidth < 1024) ? '%b' : '%B';
    }
  } else {
    format = '%Y';
  }
  return d3timeFormat(format)(date);
};

export function multiDateFormat(date) {
    let formatter;

    if (timeSecond(date) < date) {
        formatter = formatMillisecond;
    } else if (timeMinute(date) < date) {
        formatter = formatSecond;
    } else if (timeHour(date) < date) {
        formatter = formatMinute;
    } else if (timeDay(date) < date) {
        formatter = formatHour;
    } else if (timeMonth(date) < date) {
        if (timeWeek(date) < date) {
            formatter = formatDay;
        } else {
            formatter = formatWeek;
        }
    } else if (timeYear(date) < date) {
        formatter = formatMonth;
    } else {
        formatter = formatYear;
    }

    return formatter(date);
}