"""Date utilities for chartmetric_charts."""

from datetime import date
from datetime import timedelta
from typing import Generator


def date_range_to_dates(
    start_date: date,
    end_date: date,
) -> Generator[date, None, None]:
    """Generate all dates in the range [start_date, end_date).

    Args:
        start_date (date): The date to start at (inclusive)
        end_date (date): The date to end before (exclusive)
    Yields:
        date: One date for every date in the range is yielded.
    """
    date = start_date
    while date < end_date:
        yield date
        date += timedelta(days=1)