Function parse_font_size

folium/utilities.py:456–463

Parse a font size value, if number set as px

(value: Union[str, int, float])

def parse_font_size(value: Union[str, int, float]) -> str:
    """Parse a font size value, if number set as px"""
    if isinstance(value, (int, float)):
        return f"{value}px"

    if (value[-3:] != "rem") and (value[-2:] not in ["em", "px"]):
        raise ValueError("The font size must be expressed in rem, em, or px.")
    return value